master
dongming 2 years ago
commit 0321c0fa48

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# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
# Ignore build and test binaries.
bin/
testbin/

26
.gitignore vendored

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# Binaries for programs and plugins
*.exe
*.exe~
*.dll
*.so
*.dylib
bin
testbin/*
Dockerfile.cross
# Test binary, build with `go test -c`
*.test
# Output of the go coverage tool, specifically when used with LiteIDE
*.out
# Kubernetes Generated files - skip generated files, except for vendored files
!vendor/**/zz_generated.*
# editor and IDE paraphernalia
.idea
*.swp
*.swo
*~

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# Build the manager binary
FROM golang:1.19 as builder
ARG TARGETOS
ARG TARGETARCH
WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN go mod download
# Copy the go source
COPY main.go main.go
COPY api/ api/
COPY controllers/ controllers/
# Build
# the GOARCH has not a default value to allow the binary be built according to the host where the command
# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager main.go
# Use distroless as minimal base image to package the manager binary
# Refer to https://github.com/GoogleContainerTools/distroless for more details
FROM gcr.io/distroless/static:nonroot
WORKDIR /
COPY --from=builder /workspace/manager .
USER 65532:65532
ENTRYPOINT ["/manager"]

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# Image URL to use all building/pushing image targets
IMG ?= controller:latest
# ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
ENVTEST_K8S_VERSION = 1.25.0
# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
ifeq (,$(shell go env GOBIN))
GOBIN=$(shell go env GOPATH)/bin
else
GOBIN=$(shell go env GOBIN)
endif
# Setting SHELL to bash allows bash commands to be executed by recipes.
# Options are set to exit when a recipe line exits non-zero or a piped command fails.
SHELL = /usr/bin/env bash -o pipefail
.SHELLFLAGS = -ec
.PHONY: all
all: build
##@ General
# The help target prints out all targets with their descriptions organized
# beneath their categories. The categories are represented by '##@' and the
# target descriptions by '##'. The awk commands is responsible for reading the
# entire set of makefiles included in this invocation, looking for lines of the
# file as xyz: ## something, and then pretty-format the target and help. Then,
# if there's a line with ##@ something, that gets pretty-printed as a category.
# More info on the usage of ANSI control characters for terminal formatting:
# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters
# More info on the awk command:
# http://linuxcommand.org/lc3_adv_awk.php
.PHONY: help
help: ## Display this help.
@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf " \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
##@ Development
.PHONY: manifests
manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
$(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases
.PHONY: generate
generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
.PHONY: fmt
fmt: ## Run go fmt against code.
go fmt ./...
.PHONY: vet
vet: ## Run go vet against code.
go vet ./...
.PHONY: test
test: manifests generate fmt vet envtest ## Run tests.
KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./... -coverprofile cover.out
##@ Build
.PHONY: build
build: generate fmt vet ## Build manager binary.
go build -o bin/manager main.go
.PHONY: run
run: manifests generate fmt vet ## Run a controller from your host.
go run ./main.go
# If you wish built the manager image targeting other platforms you can use the --platform flag.
# (i.e. docker build --platform linux/arm64 ). However, you must enable docker buildKit for it.
# More info: https://docs.docker.com/develop/develop-images/build_enhancements/
.PHONY: docker-build
docker-build: test ## Build docker image with the manager.
docker build -t ${IMG} .
.PHONY: docker-push
docker-push: ## Push docker image with the manager.
docker push ${IMG}
# PLATFORMS defines the target platforms for the manager image be build to provide support to multiple
# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to:
# - able to use docker buildx . More info: https://docs.docker.com/build/buildx/
# - have enable BuildKit, More info: https://docs.docker.com/develop/develop-images/build_enhancements/
# - be able to push the image for your registry (i.e. if you do not inform a valid value via IMG=<myregistry/image:<tag>> than the export will fail)
# To properly provided solutions that supports more than one platform you should use this option.
PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le
.PHONY: docker-buildx
docker-buildx: test ## Build and push docker image for the manager for cross-platform support
# copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile
sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross
- docker buildx create --name project-v3-builder
docker buildx use project-v3-builder
- docker buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross
- docker buildx rm project-v3-builder
rm Dockerfile.cross
##@ Deployment
ifndef ignore-not-found
ignore-not-found = false
endif
.PHONY: install
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
$(KUSTOMIZE) build config/crd | kubectl apply -f -
.PHONY: uninstall
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
$(KUSTOMIZE) build config/crd | kubectl delete --ignore-not-found=$(ignore-not-found) -f -
.PHONY: deploy
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.
cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
$(KUSTOMIZE) build config/default | kubectl apply -f -
.PHONY: undeploy
undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
$(KUSTOMIZE) build config/default | kubectl delete --ignore-not-found=$(ignore-not-found) -f -
##@ Build Dependencies
## Location to install dependencies to
LOCALBIN ?= $(shell pwd)/bin
$(LOCALBIN):
mkdir -p $(LOCALBIN)
## Tool Binaries
KUSTOMIZE ?= $(LOCALBIN)/kustomize
CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen
ENVTEST ?= $(LOCALBIN)/setup-envtest
## Tool Versions
KUSTOMIZE_VERSION ?= v3.8.7
CONTROLLER_TOOLS_VERSION ?= v0.9.2
KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
.PHONY: kustomize
kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
$(KUSTOMIZE): $(LOCALBIN)
test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
.PHONY: controller-gen
controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
$(CONTROLLER_GEN): $(LOCALBIN)
test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
.PHONY: envtest
envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
$(ENVTEST): $(LOCALBIN)
test -s $(LOCALBIN)/setup-envtest || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest

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domain: mashibing.com
layout:
- go.kubebuilder.io/v3
projectName: demo
repo: mashibing.com/demo/app
resources:
- api:
crdVersion: v1
namespaced: true
controller: true
domain: mashibing.com
group: demo
kind: App
path: mashibing.com/demo/app/api/v1
version: v1
version: "3"

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# demo
// TODO(user): Add simple overview of use/purpose
## Description
// TODO(user): An in-depth paragraph about your project and overview of use
## Getting Started
Youll need a Kubernetes cluster to run against. You can use [KIND](https://sigs.k8s.io/kind) to get a local cluster for testing, or run against a remote cluster.
**Note:** Your controller will automatically use the current context in your kubeconfig file (i.e. whatever cluster `kubectl cluster-info` shows).
### Running on the cluster
1. Install Instances of Custom Resources:
```sh
kubectl apply -f config/samples/
```
2. Build and push your image to the location specified by `IMG`:
```sh
make docker-build docker-push IMG=<some-registry>/demo:tag
```
3. Deploy the controller to the cluster with the image specified by `IMG`:
```sh
make deploy IMG=<some-registry>/demo:tag
```
### Uninstall CRDs
To delete the CRDs from the cluster:
```sh
make uninstall
```
### Undeploy controller
UnDeploy the controller to the cluster:
```sh
make undeploy
```
## Contributing
// TODO(user): Add detailed information on how you would like others to contribute to this project
### How it works
This project aims to follow the Kubernetes [Operator pattern](https://kubernetes.io/docs/concepts/extend-kubernetes/operator/)
It uses [Controllers](https://kubernetes.io/docs/concepts/architecture/controller/)
which provides a reconcile function responsible for synchronizing resources untile the desired state is reached on the cluster
### Test It Out
1. Install the CRDs into the cluster:
```sh
make install
```
2. Run your controller (this will run in the foreground, so switch to a new terminal if you want to leave it running):
```sh
make run
```
**NOTE:** You can also run this in one step by running: `make install run`
### Modifying the API definitions
If you are editing the API definitions, generate the manifests such as CRs or CRDs using:
```sh
make manifests
```
**NOTE:** Run `make --help` for more information on all potential `make` targets
More information can be found via the [Kubebuilder Documentation](https://book.kubebuilder.io/introduction.html)
## License
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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/*
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN!
// NOTE: json tags are required. Any new fields you add must have json tags for the fields to be serialized.
// AppSpec defines the desired state of App
type AppSpec struct {
// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
// Important: Run "make" to regenerate code after modifying this file
// Foo is an example field of App. Edit app_types.go to remove/update
Foo string `json:"foo,omitempty"`
}
// AppStatus defines the observed state of App
type AppStatus struct {
// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
// Important: Run "make" to regenerate code after modifying this file
}
//+kubebuilder:object:root=true
//+kubebuilder:subresource:status
// App is the Schema for the apps API
type App struct {
metav1.TypeMeta `json:",inline"`
metav1.ObjectMeta `json:"metadata,omitempty"`
Spec AppSpec `json:"spec,omitempty"`
Status AppStatus `json:"status,omitempty"`
}
//+kubebuilder:object:root=true
// AppList contains a list of App
type AppList struct {
metav1.TypeMeta `json:",inline"`
metav1.ListMeta `json:"metadata,omitempty"`
Items []App `json:"items"`
}
func init() {
SchemeBuilder.Register(&App{}, &AppList{})
}

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/*
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package v1 contains API Schema definitions for the demo v1 API group
// +kubebuilder:object:generate=true
// +groupName=demo.mashibing.com
package v1
import (
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/controller-runtime/pkg/scheme"
)
var (
// GroupVersion is group version used to register these objects
GroupVersion = schema.GroupVersion{Group: "demo.mashibing.com", Version: "v1"}
// SchemeBuilder is used to add go types to the GroupVersionKind scheme
SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
// AddToScheme adds the types in this group-version to the given scheme.
AddToScheme = SchemeBuilder.AddToScheme
)

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//go:build !ignore_autogenerated
// +build !ignore_autogenerated
/*
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Code generated by controller-gen. DO NOT EDIT.
package v1
import (
runtime "k8s.io/apimachinery/pkg/runtime"
)
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *App) DeepCopyInto(out *App) {
*out = *in
out.TypeMeta = in.TypeMeta
in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
out.Spec = in.Spec
out.Status = in.Status
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new App.
func (in *App) DeepCopy() *App {
if in == nil {
return nil
}
out := new(App)
in.DeepCopyInto(out)
return out
}
// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
func (in *App) DeepCopyObject() runtime.Object {
if c := in.DeepCopy(); c != nil {
return c
}
return nil
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *AppList) DeepCopyInto(out *AppList) {
*out = *in
out.TypeMeta = in.TypeMeta
in.ListMeta.DeepCopyInto(&out.ListMeta)
if in.Items != nil {
in, out := &in.Items, &out.Items
*out = make([]App, len(*in))
for i := range *in {
(*in)[i].DeepCopyInto(&(*out)[i])
}
}
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new AppList.
func (in *AppList) DeepCopy() *AppList {
if in == nil {
return nil
}
out := new(AppList)
in.DeepCopyInto(out)
return out
}
// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
func (in *AppList) DeepCopyObject() runtime.Object {
if c := in.DeepCopy(); c != nil {
return c
}
return nil
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *AppSpec) DeepCopyInto(out *AppSpec) {
*out = *in
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new AppSpec.
func (in *AppSpec) DeepCopy() *AppSpec {
if in == nil {
return nil
}
out := new(AppSpec)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *AppStatus) DeepCopyInto(out *AppStatus) {
*out = *in
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new AppStatus.
func (in *AppStatus) DeepCopy() *AppStatus {
if in == nil {
return nil
}
out := new(AppStatus)
in.DeepCopyInto(out)
return out
}

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# This kustomization.yaml is not intended to be run by itself,
# since it depends on service name and namespace that are out of this kustomize package.
# It should be run by config/default
resources:
- bases/demo.mashibing.com_apps.yaml
#+kubebuilder:scaffold:crdkustomizeresource
patchesStrategicMerge:
# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
# patches here are for enabling the conversion webhook for each CRD
#- patches/webhook_in_apps.yaml
#+kubebuilder:scaffold:crdkustomizewebhookpatch
# [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.
# patches here are for enabling the CA injection for each CRD
#- patches/cainjection_in_apps.yaml
#+kubebuilder:scaffold:crdkustomizecainjectionpatch
# the following config is for teaching kustomize how to do kustomization for CRDs.
configurations:
- kustomizeconfig.yaml

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# This file is for teaching kustomize how to substitute name and namespace reference in CRD
nameReference:
- kind: Service
version: v1
fieldSpecs:
- kind: CustomResourceDefinition
version: v1
group: apiextensions.k8s.io
path: spec/conversion/webhook/clientConfig/service/name
namespace:
- kind: CustomResourceDefinition
version: v1
group: apiextensions.k8s.io
path: spec/conversion/webhook/clientConfig/service/namespace
create: false
varReference:
- path: metadata/annotations

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# The following patch adds a directive for certmanager to inject CA into the CRD
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
name: apps.demo.mashibing.com

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# The following patch enables a conversion webhook for the CRD
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
name: apps.demo.mashibing.com
spec:
conversion:
strategy: Webhook
webhook:
clientConfig:
service:
namespace: system
name: webhook-service
path: /convert
conversionReviewVersions:
- v1

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# Adds namespace to all resources.
namespace: demo-system
# Value of this field is prepended to the
# names of all resources, e.g. a deployment named
# "wordpress" becomes "alices-wordpress".
# Note that it should also match with the prefix (text before '-') of the namespace
# field above.
namePrefix: demo-
# Labels to add to all resources and selectors.
#commonLabels:
# someName: someValue
bases:
- ../crd
- ../rbac
- ../manager
# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
# crd/kustomization.yaml
#- ../webhook
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required.
#- ../certmanager
# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
#- ../prometheus
patchesStrategicMerge:
# Protect the /metrics endpoint by putting it behind auth.
# If you want your controller-manager to expose the /metrics
# endpoint w/o any authn/z, please comment the following line.
- manager_auth_proxy_patch.yaml
# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
# crd/kustomization.yaml
#- manager_webhook_patch.yaml
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'.
# Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks.
# 'CERTMANAGER' needs to be enabled to use ca injection
#- webhookcainjection_patch.yaml
# the following config is for teaching kustomize how to do var substitution
vars:
# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix.
#- name: CERTIFICATE_NAMESPACE # namespace of the certificate CR
# objref:
# kind: Certificate
# group: cert-manager.io
# version: v1
# name: serving-cert # this name should match the one in certificate.yaml
# fieldref:
# fieldpath: metadata.namespace
#- name: CERTIFICATE_NAME
# objref:
# kind: Certificate
# group: cert-manager.io
# version: v1
# name: serving-cert # this name should match the one in certificate.yaml
#- name: SERVICE_NAMESPACE # namespace of the service
# objref:
# kind: Service
# version: v1
# name: webhook-service
# fieldref:
# fieldpath: metadata.namespace
#- name: SERVICE_NAME
# objref:
# kind: Service
# version: v1
# name: webhook-service

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# This patch inject a sidecar container which is a HTTP proxy for the
# controller manager, it performs RBAC authorization against the Kubernetes API using SubjectAccessReviews.
apiVersion: apps/v1
kind: Deployment
metadata:
name: controller-manager
namespace: system
spec:
template:
spec:
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: kubernetes.io/arch
operator: In
values:
- amd64
- arm64
- ppc64le
- s390x
- key: kubernetes.io/os
operator: In
values:
- linux
containers:
- name: kube-rbac-proxy
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop:
- "ALL"
image: gcr.io/kubebuilder/kube-rbac-proxy:v0.13.0
args:
- "--secure-listen-address=0.0.0.0:8443"
- "--upstream=http://127.0.0.1:8080/"
- "--logtostderr=true"
- "--v=0"
ports:
- containerPort: 8443
protocol: TCP
name: https
resources:
limits:
cpu: 500m
memory: 128Mi
requests:
cpu: 5m
memory: 64Mi
- name: manager
args:
- "--health-probe-bind-address=:8081"
- "--metrics-bind-address=127.0.0.1:8080"
- "--leader-elect"

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apiVersion: apps/v1
kind: Deployment
metadata:
name: controller-manager
namespace: system
spec:
template:
spec:
containers:
- name: manager

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resources:
- manager.yaml

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apiVersion: v1
kind: Namespace
metadata:
labels:
control-plane: controller-manager
app.kubernetes.io/name: namespace
app.kubernetes.io/instance: system
app.kubernetes.io/component: manager
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: system
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: controller-manager
namespace: system
labels:
control-plane: controller-manager
app.kubernetes.io/name: deployment
app.kubernetes.io/instance: controller-manager
app.kubernetes.io/component: manager
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
spec:
selector:
matchLabels:
control-plane: controller-manager
replicas: 1
template:
metadata:
annotations:
kubectl.kubernetes.io/default-container: manager
labels:
control-plane: controller-manager
spec:
# TODO(user): Uncomment the following code to configure the nodeAffinity expression
# according to the platforms which are supported by your solution.
# It is considered best practice to support multiple architectures. You can
# build your manager image using the makefile target docker-buildx.
# affinity:
# nodeAffinity:
# requiredDuringSchedulingIgnoredDuringExecution:
# nodeSelectorTerms:
# - matchExpressions:
# - key: kubernetes.io/arch
# operator: In
# values:
# - amd64
# - arm64
# - ppc64le
# - s390x
# - key: kubernetes.io/os
# operator: In
# values:
# - linux
securityContext:
runAsNonRoot: true
# TODO(user): For common cases that do not require escalating privileges
# it is recommended to ensure that all your Pods/Containers are restrictive.
# More info: https://kubernetes.io/docs/concepts/security/pod-security-standards/#restricted
# Please uncomment the following code if your project does NOT have to work on old Kubernetes
# versions < 1.19 or on vendors versions which do NOT support this field by default (i.e. Openshift < 4.11 ).
# seccompProfile:
# type: RuntimeDefault
containers:
- command:
- /manager
args:
- --leader-elect
image: controller:latest
name: manager
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop:
- "ALL"
livenessProbe:
httpGet:
path: /healthz
port: 8081
initialDelaySeconds: 15
periodSeconds: 20
readinessProbe:
httpGet:
path: /readyz
port: 8081
initialDelaySeconds: 5
periodSeconds: 10
# TODO(user): Configure the resources accordingly based on the project requirements.
# More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
resources:
limits:
cpu: 500m
memory: 128Mi
requests:
cpu: 10m
memory: 64Mi
serviceAccountName: controller-manager
terminationGracePeriodSeconds: 10

@ -0,0 +1,2 @@
resources:
- monitor.yaml

@ -0,0 +1,26 @@
# Prometheus Monitor Service (Metrics)
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
labels:
control-plane: controller-manager
app.kubernetes.io/name: servicemonitor
app.kubernetes.io/instance: controller-manager-metrics-monitor
app.kubernetes.io/component: metrics
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: controller-manager-metrics-monitor
namespace: system
spec:
endpoints:
- path: /metrics
port: https
scheme: https
bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
tlsConfig:
insecureSkipVerify: true
selector:
matchLabels:
control-plane: controller-manager

@ -0,0 +1,31 @@
# permissions for end users to edit apps.
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/name: clusterrole
app.kubernetes.io/instance: app-editor-role
app.kubernetes.io/component: rbac
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: app-editor-role
rules:
- apiGroups:
- demo.mashibing.com
resources:
- apps
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- demo.mashibing.com
resources:
- apps/status
verbs:
- get

@ -0,0 +1,27 @@
# permissions for end users to view apps.
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/name: clusterrole
app.kubernetes.io/instance: app-viewer-role
app.kubernetes.io/component: rbac
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: app-viewer-role
rules:
- apiGroups:
- demo.mashibing.com
resources:
- apps
verbs:
- get
- list
- watch
- apiGroups:
- demo.mashibing.com
resources:
- apps/status
verbs:
- get

@ -0,0 +1,16 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/name: clusterrole
app.kubernetes.io/instance: metrics-reader
app.kubernetes.io/component: kube-rbac-proxy
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: metrics-reader
rules:
- nonResourceURLs:
- "/metrics"
verbs:
- get

@ -0,0 +1,24 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/name: clusterrole
app.kubernetes.io/instance: proxy-role
app.kubernetes.io/component: kube-rbac-proxy
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: proxy-role
rules:
- apiGroups:
- authentication.k8s.io
resources:
- tokenreviews
verbs:
- create
- apiGroups:
- authorization.k8s.io
resources:
- subjectaccessreviews
verbs:
- create

@ -0,0 +1,19 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app.kubernetes.io/name: clusterrolebinding
app.kubernetes.io/instance: proxy-rolebinding
app.kubernetes.io/component: kube-rbac-proxy
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: proxy-rolebinding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: proxy-role
subjects:
- kind: ServiceAccount
name: controller-manager
namespace: system

@ -0,0 +1,21 @@
apiVersion: v1
kind: Service
metadata:
labels:
control-plane: controller-manager
app.kubernetes.io/name: service
app.kubernetes.io/instance: controller-manager-metrics-service
app.kubernetes.io/component: kube-rbac-proxy
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: controller-manager-metrics-service
namespace: system
spec:
ports:
- name: https
port: 8443
protocol: TCP
targetPort: https
selector:
control-plane: controller-manager

@ -0,0 +1,18 @@
resources:
# All RBAC will be applied under this service account in
# the deployment namespace. You may comment out this resource
# if your manager will use a service account that exists at
# runtime. Be sure to update RoleBinding and ClusterRoleBinding
# subjects if changing service account names.
- service_account.yaml
- role.yaml
- role_binding.yaml
- leader_election_role.yaml
- leader_election_role_binding.yaml
# Comment the following 4 lines if you want to disable
# the auth proxy (https://github.com/brancz/kube-rbac-proxy)
# which protects your /metrics endpoint.
- auth_proxy_service.yaml
- auth_proxy_role.yaml
- auth_proxy_role_binding.yaml
- auth_proxy_client_clusterrole.yaml

@ -0,0 +1,44 @@
# permissions to do leader election.
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
app.kubernetes.io/name: role
app.kubernetes.io/instance: leader-election-role
app.kubernetes.io/component: rbac
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: leader-election-role
rules:
- apiGroups:
- ""
resources:
- configmaps
verbs:
- get
- list
- watch
- create
- update
- patch
- delete
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- get
- list
- watch
- create
- update
- patch
- delete
- apiGroups:
- ""
resources:
- events
verbs:
- create
- patch

@ -0,0 +1,19 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
app.kubernetes.io/name: rolebinding
app.kubernetes.io/instance: leader-election-rolebinding
app.kubernetes.io/component: rbac
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: leader-election-rolebinding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: leader-election-role
subjects:
- kind: ServiceAccount
name: controller-manager
namespace: system

@ -0,0 +1,19 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app.kubernetes.io/name: clusterrolebinding
app.kubernetes.io/instance: manager-rolebinding
app.kubernetes.io/component: rbac
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: manager-rolebinding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: manager-role
subjects:
- kind: ServiceAccount
name: controller-manager
namespace: system

@ -0,0 +1,12 @@
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
app.kubernetes.io/name: serviceaccount
app.kuberentes.io/instance: controller-manager
app.kubernetes.io/component: rbac
app.kubernetes.io/created-by: demo
app.kubernetes.io/part-of: demo
app.kubernetes.io/managed-by: kustomize
name: controller-manager
namespace: system

@ -0,0 +1,12 @@
apiVersion: demo.mashibing.com/v1
kind: App
metadata:
labels:
app.kubernetes.io/name: app
app.kubernetes.io/instance: app-sample
app.kubernetes.io/part-of: demo
app.kuberentes.io/managed-by: kustomize
app.kubernetes.io/created-by: demo
name: app-sample
spec:
# TODO(user): Add fields here

@ -0,0 +1,62 @@
/*
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controllers
import (
"context"
"k8s.io/apimachinery/pkg/runtime"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log"
demov1 "mashibing.com/demo/app/api/v1"
)
// AppReconciler reconciles a App object
type AppReconciler struct {
client.Client
Scheme *runtime.Scheme
}
//+kubebuilder:rbac:groups=demo.mashibing.com,resources=apps,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=demo.mashibing.com,resources=apps/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=demo.mashibing.com,resources=apps/finalizers,verbs=update
// Reconcile is part of the main kubernetes reconciliation loop which aims to
// move the current state of the cluster closer to the desired state.
// TODO(user): Modify the Reconcile function to compare the state specified by
// the App object against the actual cluster state, and then
// perform operations to make the cluster state reflect the state specified by
// the user.
//
// For more details, check Reconcile and its Result here:
// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.13.0/pkg/reconcile
func (r *AppReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
_ = log.FromContext(ctx)
// TODO(user): your logic here
return ctrl.Result{}, nil
}
// SetupWithManager sets up the controller with the Manager.
func (r *AppReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&demov1.App{}).
Complete(r)
}

@ -0,0 +1,80 @@
/*
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controllers
import (
"path/filepath"
"testing"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/envtest"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
demov1 "mashibing.com/demo/app/api/v1"
//+kubebuilder:scaffold:imports
)
// These tests use Ginkgo (BDD-style Go testing framework). Refer to
// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
var cfg *rest.Config
var k8sClient client.Client
var testEnv *envtest.Environment
func TestAPIs(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Controller Suite")
}
var _ = BeforeSuite(func() {
logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true)))
By("bootstrapping test environment")
testEnv = &envtest.Environment{
CRDDirectoryPaths: []string{filepath.Join("..", "config", "crd", "bases")},
ErrorIfCRDPathMissing: true,
}
var err error
// cfg is defined in this file globally.
cfg, err = testEnv.Start()
Expect(err).NotTo(HaveOccurred())
Expect(cfg).NotTo(BeNil())
err = demov1.AddToScheme(scheme.Scheme)
Expect(err).NotTo(HaveOccurred())
//+kubebuilder:scaffold:scheme
k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
Expect(err).NotTo(HaveOccurred())
Expect(k8sClient).NotTo(BeNil())
})
var _ = AfterSuite(func() {
By("tearing down the test environment")
err := testEnv.Stop()
Expect(err).NotTo(HaveOccurred())
})

@ -0,0 +1,81 @@
module mashibing.com/demo/app
go 1.19
require (
github.com/onsi/ginkgo/v2 v2.1.4
github.com/onsi/gomega v1.19.0
k8s.io/apimachinery v0.25.0
k8s.io/client-go v0.25.0
sigs.k8s.io/controller-runtime v0.13.0
)
require (
cloud.google.com/go v0.97.0 // indirect
github.com/Azure/go-autorest v14.2.0+incompatible // indirect
github.com/Azure/go-autorest/autorest v0.11.27 // indirect
github.com/Azure/go-autorest/autorest/adal v0.9.20 // indirect
github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
github.com/Azure/go-autorest/logger v0.2.1 // indirect
github.com/Azure/go-autorest/tracing v0.6.0 // indirect
github.com/PuerkitoBio/purell v1.1.1 // indirect
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/emicklei/go-restful/v3 v3.8.0 // indirect
github.com/evanphx/json-patch/v5 v5.6.0 // indirect
github.com/fsnotify/fsnotify v1.5.4 // indirect
github.com/go-logr/logr v1.2.3 // indirect
github.com/go-logr/zapr v1.2.3 // indirect
github.com/go-openapi/jsonpointer v0.19.5 // indirect
github.com/go-openapi/jsonreference v0.19.5 // indirect
github.com/go-openapi/swag v0.19.14 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang-jwt/jwt/v4 v4.2.0 // indirect
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/gnostic v0.5.7-v3refs // indirect
github.com/google/go-cmp v0.5.8 // indirect
github.com/google/gofuzz v1.1.0 // indirect
github.com/google/uuid v1.1.2 // indirect
github.com/imdario/mergo v0.3.12 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/mailru/easyjson v0.7.6 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/prometheus/client_golang v1.12.2 // indirect
github.com/prometheus/client_model v0.2.0 // indirect
github.com/prometheus/common v0.32.1 // indirect
github.com/prometheus/procfs v0.7.3 // indirect
github.com/spf13/pflag v1.0.5 // indirect
go.uber.org/atomic v1.7.0 // indirect
go.uber.org/multierr v1.6.0 // indirect
go.uber.org/zap v1.21.0 // indirect
golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd // indirect
golang.org/x/net v0.0.0-20220722155237-a158d28d115b // indirect
golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
golang.org/x/text v0.3.7 // indirect
golang.org/x/time v0.0.0-20220609170525-579cf78fd858 // indirect
gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/protobuf v1.28.0 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
k8s.io/api v0.25.0 // indirect
k8s.io/apiextensions-apiserver v0.25.0 // indirect
k8s.io/component-base v0.25.0 // indirect
k8s.io/klog/v2 v2.70.1 // indirect
k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1 // indirect
k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed // indirect
sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
sigs.k8s.io/yaml v1.3.0 // indirect
)

796
go.sum

@ -0,0 +1,796 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4=
cloud.google.com/go v0.97.0 h1:3DXvAyifywvq64LfkKaMOmkWPS1CikIQdMe2lY9vxU8=
cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
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github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/stoewer/go-strcase v1.2.0/go.mod h1:IBiWB2sKIp3wVVQ3Y035++gc+knqhUQag1KpM8ahLw8=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
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go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
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golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
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golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
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golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed h1:jAne/RjBTyawwAy0utX5eqigAwz/lQhTmy+Hr/Cpue4=
k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
sigs.k8s.io/controller-runtime v0.13.0 h1:iqa5RNciy7ADWnIc8QxCbOX5FEKVR3uxVxKHRMc2WIQ=
sigs.k8s.io/controller-runtime v0.13.0/go.mod h1:Zbz+el8Yg31jubvAEyglRZGdLAjplZl+PgtYNI6WNTI=
sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 h1:iXTIw73aPyC+oRdyqqvVJuloN1p0AC/kzH07hu3NE+k=
sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
sigs.k8s.io/structured-merge-diff/v4 v4.2.3 h1:PRbqxJClWWYMNV1dhaG4NsibJbArud9kFxnAMREiWFE=
sigs.k8s.io/structured-merge-diff/v4 v4.2.3/go.mod h1:qjx8mGObPmV2aSZepjQjbmb2ihdVs8cGKBraizNC69E=
sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=

@ -0,0 +1,15 @@
/*
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

@ -0,0 +1,115 @@
/*
Copyright 2022.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"flag"
"os"
// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
// to ensure that exec-entrypoint and run can make use of them.
_ "k8s.io/client-go/plugin/pkg/client/auth"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
demov1 "mashibing.com/demo/app/api/v1"
"mashibing.com/demo/app/controllers"
//+kubebuilder:scaffold:imports
)
var (
scheme = runtime.NewScheme()
setupLog = ctrl.Log.WithName("setup")
)
func init() {
utilruntime.Must(clientgoscheme.AddToScheme(scheme))
utilruntime.Must(demov1.AddToScheme(scheme))
//+kubebuilder:scaffold:scheme
}
func main() {
var metricsAddr string
var enableLeaderElection bool
var probeAddr string
flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
flag.BoolVar(&enableLeaderElection, "leader-elect", false,
"Enable leader election for controller manager. "+
"Enabling this will ensure there is only one active controller manager.")
opts := zap.Options{
Development: true,
}
opts.BindFlags(flag.CommandLine)
flag.Parse()
ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
Scheme: scheme,
MetricsBindAddress: metricsAddr,
Port: 9443,
HealthProbeBindAddress: probeAddr,
LeaderElection: enableLeaderElection,
LeaderElectionID: "85b1e900.mashibing.com",
// LeaderElectionReleaseOnCancel defines if the leader should step down voluntarily
// when the Manager ends. This requires the binary to immediately end when the
// Manager is stopped, otherwise, this setting is unsafe. Setting this significantly
// speeds up voluntary leader transitions as the new leader don't have to wait
// LeaseDuration time first.
//
// In the default scaffold provided, the program ends immediately after
// the manager stops, so would be fine to enable this option. However,
// if you are doing or is intended to do any operation such as perform cleanups
// after the manager stops then its usage might be unsafe.
// LeaderElectionReleaseOnCancel: true,
})
if err != nil {
setupLog.Error(err, "unable to start manager")
os.Exit(1)
}
if err = (&controllers.AppReconciler{
Client: mgr.GetClient(),
Scheme: mgr.GetScheme(),
}).SetupWithManager(mgr); err != nil {
setupLog.Error(err, "unable to create controller", "controller", "App")
os.Exit(1)
}
//+kubebuilder:scaffold:builder
if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
setupLog.Error(err, "unable to set up health check")
os.Exit(1)
}
if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
setupLog.Error(err, "unable to set up ready check")
os.Exit(1)
}
setupLog.Info("starting manager")
if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
setupLog.Error(err, "problem running manager")
os.Exit(1)
}
}

202
vendor/cloud.google.com/go/LICENSE generated vendored

@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

@ -0,0 +1,536 @@
// Copyright 2014 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package metadata provides access to Google Compute Engine (GCE)
// metadata and API service accounts.
//
// This package is a wrapper around the GCE metadata service,
// as documented at https://developers.google.com/compute/docs/metadata.
package metadata // import "cloud.google.com/go/compute/metadata"
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/url"
"os"
"runtime"
"strings"
"sync"
"time"
)
const (
// metadataIP is the documented metadata server IP address.
metadataIP = "169.254.169.254"
// metadataHostEnv is the environment variable specifying the
// GCE metadata hostname. If empty, the default value of
// metadataIP ("169.254.169.254") is used instead.
// This is variable name is not defined by any spec, as far as
// I know; it was made up for the Go package.
metadataHostEnv = "GCE_METADATA_HOST"
userAgent = "gcloud-golang/0.1"
)
type cachedValue struct {
k string
trim bool
mu sync.Mutex
v string
}
var (
projID = &cachedValue{k: "project/project-id", trim: true}
projNum = &cachedValue{k: "project/numeric-project-id", trim: true}
instID = &cachedValue{k: "instance/id", trim: true}
)
var defaultClient = &Client{hc: &http.Client{
Transport: &http.Transport{
Dial: (&net.Dialer{
Timeout: 2 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
},
}}
// NotDefinedError is returned when requested metadata is not defined.
//
// The underlying string is the suffix after "/computeMetadata/v1/".
//
// This error is not returned if the value is defined to be the empty
// string.
type NotDefinedError string
func (suffix NotDefinedError) Error() string {
return fmt.Sprintf("metadata: GCE metadata %q not defined", string(suffix))
}
func (c *cachedValue) get(cl *Client) (v string, err error) {
defer c.mu.Unlock()
c.mu.Lock()
if c.v != "" {
return c.v, nil
}
if c.trim {
v, err = cl.getTrimmed(c.k)
} else {
v, err = cl.Get(c.k)
}
if err == nil {
c.v = v
}
return
}
var (
onGCEOnce sync.Once
onGCE bool
)
// OnGCE reports whether this process is running on Google Compute Engine.
func OnGCE() bool {
onGCEOnce.Do(initOnGCE)
return onGCE
}
func initOnGCE() {
onGCE = testOnGCE()
}
func testOnGCE() bool {
// The user explicitly said they're on GCE, so trust them.
if os.Getenv(metadataHostEnv) != "" {
return true
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
resc := make(chan bool, 2)
// Try two strategies in parallel.
// See https://github.com/googleapis/google-cloud-go/issues/194
go func() {
req, _ := http.NewRequest("GET", "http://"+metadataIP, nil)
req.Header.Set("User-Agent", userAgent)
res, err := defaultClient.hc.Do(req.WithContext(ctx))
if err != nil {
resc <- false
return
}
defer res.Body.Close()
resc <- res.Header.Get("Metadata-Flavor") == "Google"
}()
go func() {
addrs, err := net.DefaultResolver.LookupHost(ctx, "metadata.google.internal")
if err != nil || len(addrs) == 0 {
resc <- false
return
}
resc <- strsContains(addrs, metadataIP)
}()
tryHarder := systemInfoSuggestsGCE()
if tryHarder {
res := <-resc
if res {
// The first strategy succeeded, so let's use it.
return true
}
// Wait for either the DNS or metadata server probe to
// contradict the other one and say we are running on
// GCE. Give it a lot of time to do so, since the system
// info already suggests we're running on a GCE BIOS.
timer := time.NewTimer(5 * time.Second)
defer timer.Stop()
select {
case res = <-resc:
return res
case <-timer.C:
// Too slow. Who knows what this system is.
return false
}
}
// There's no hint from the system info that we're running on
// GCE, so use the first probe's result as truth, whether it's
// true or false. The goal here is to optimize for speed for
// users who are NOT running on GCE. We can't assume that
// either a DNS lookup or an HTTP request to a blackholed IP
// address is fast. Worst case this should return when the
// metaClient's Transport.ResponseHeaderTimeout or
// Transport.Dial.Timeout fires (in two seconds).
return <-resc
}
// systemInfoSuggestsGCE reports whether the local system (without
// doing network requests) suggests that we're running on GCE. If this
// returns true, testOnGCE tries a bit harder to reach its metadata
// server.
func systemInfoSuggestsGCE() bool {
if runtime.GOOS != "linux" {
// We don't have any non-Linux clues available, at least yet.
return false
}
slurp, _ := ioutil.ReadFile("/sys/class/dmi/id/product_name")
name := strings.TrimSpace(string(slurp))
return name == "Google" || name == "Google Compute Engine"
}
// Subscribe calls Client.Subscribe on the default client.
func Subscribe(suffix string, fn func(v string, ok bool) error) error {
return defaultClient.Subscribe(suffix, fn)
}
// Get calls Client.Get on the default client.
func Get(suffix string) (string, error) { return defaultClient.Get(suffix) }
// ProjectID returns the current instance's project ID string.
func ProjectID() (string, error) { return defaultClient.ProjectID() }
// NumericProjectID returns the current instance's numeric project ID.
func NumericProjectID() (string, error) { return defaultClient.NumericProjectID() }
// InternalIP returns the instance's primary internal IP address.
func InternalIP() (string, error) { return defaultClient.InternalIP() }
// ExternalIP returns the instance's primary external (public) IP address.
func ExternalIP() (string, error) { return defaultClient.ExternalIP() }
// Email calls Client.Email on the default client.
func Email(serviceAccount string) (string, error) { return defaultClient.Email(serviceAccount) }
// Hostname returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
func Hostname() (string, error) { return defaultClient.Hostname() }
// InstanceTags returns the list of user-defined instance tags,
// assigned when initially creating a GCE instance.
func InstanceTags() ([]string, error) { return defaultClient.InstanceTags() }
// InstanceID returns the current VM's numeric instance ID.
func InstanceID() (string, error) { return defaultClient.InstanceID() }
// InstanceName returns the current VM's instance ID string.
func InstanceName() (string, error) { return defaultClient.InstanceName() }
// Zone returns the current VM's zone, such as "us-central1-b".
func Zone() (string, error) { return defaultClient.Zone() }
// InstanceAttributes calls Client.InstanceAttributes on the default client.
func InstanceAttributes() ([]string, error) { return defaultClient.InstanceAttributes() }
// ProjectAttributes calls Client.ProjectAttributes on the default client.
func ProjectAttributes() ([]string, error) { return defaultClient.ProjectAttributes() }
// InstanceAttributeValue calls Client.InstanceAttributeValue on the default client.
func InstanceAttributeValue(attr string) (string, error) {
return defaultClient.InstanceAttributeValue(attr)
}
// ProjectAttributeValue calls Client.ProjectAttributeValue on the default client.
func ProjectAttributeValue(attr string) (string, error) {
return defaultClient.ProjectAttributeValue(attr)
}
// Scopes calls Client.Scopes on the default client.
func Scopes(serviceAccount string) ([]string, error) { return defaultClient.Scopes(serviceAccount) }
func strsContains(ss []string, s string) bool {
for _, v := range ss {
if v == s {
return true
}
}
return false
}
// A Client provides metadata.
type Client struct {
hc *http.Client
}
// NewClient returns a Client that can be used to fetch metadata.
// Returns the client that uses the specified http.Client for HTTP requests.
// If nil is specified, returns the default client.
func NewClient(c *http.Client) *Client {
if c == nil {
return defaultClient
}
return &Client{hc: c}
}
// getETag returns a value from the metadata service as well as the associated ETag.
// This func is otherwise equivalent to Get.
func (c *Client) getETag(suffix string) (value, etag string, err error) {
ctx := context.TODO()
// Using a fixed IP makes it very difficult to spoof the metadata service in
// a container, which is an important use-case for local testing of cloud
// deployments. To enable spoofing of the metadata service, the environment
// variable GCE_METADATA_HOST is first inspected to decide where metadata
// requests shall go.
host := os.Getenv(metadataHostEnv)
if host == "" {
// Using 169.254.169.254 instead of "metadata" here because Go
// binaries built with the "netgo" tag and without cgo won't
// know the search suffix for "metadata" is
// ".google.internal", and this IP address is documented as
// being stable anyway.
host = metadataIP
}
suffix = strings.TrimLeft(suffix, "/")
u := "http://" + host + "/computeMetadata/v1/" + suffix
req, err := http.NewRequest("GET", u, nil)
if err != nil {
return "", "", err
}
req.Header.Set("Metadata-Flavor", "Google")
req.Header.Set("User-Agent", userAgent)
var res *http.Response
var reqErr error
retryer := newRetryer()
for {
res, reqErr = c.hc.Do(req)
var code int
if res != nil {
code = res.StatusCode
}
if delay, shouldRetry := retryer.Retry(code, reqErr); shouldRetry {
if err := sleep(ctx, delay); err != nil {
return "", "", err
}
continue
}
break
}
if reqErr != nil {
return "", "", nil
}
defer res.Body.Close()
if res.StatusCode == http.StatusNotFound {
return "", "", NotDefinedError(suffix)
}
all, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", "", err
}
if res.StatusCode != 200 {
return "", "", &Error{Code: res.StatusCode, Message: string(all)}
}
return string(all), res.Header.Get("Etag"), nil
}
// Get returns a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
//
// If the GCE_METADATA_HOST environment variable is not defined, a default of
// 169.254.169.254 will be used instead.
//
// If the requested metadata is not defined, the returned error will
// be of type NotDefinedError.
func (c *Client) Get(suffix string) (string, error) {
val, _, err := c.getETag(suffix)
return val, err
}
func (c *Client) getTrimmed(suffix string) (s string, err error) {
s, err = c.Get(suffix)
s = strings.TrimSpace(s)
return
}
func (c *Client) lines(suffix string) ([]string, error) {
j, err := c.Get(suffix)
if err != nil {
return nil, err
}
s := strings.Split(strings.TrimSpace(j), "\n")
for i := range s {
s[i] = strings.TrimSpace(s[i])
}
return s, nil
}
// ProjectID returns the current instance's project ID string.
func (c *Client) ProjectID() (string, error) { return projID.get(c) }
// NumericProjectID returns the current instance's numeric project ID.
func (c *Client) NumericProjectID() (string, error) { return projNum.get(c) }
// InstanceID returns the current VM's numeric instance ID.
func (c *Client) InstanceID() (string, error) { return instID.get(c) }
// InternalIP returns the instance's primary internal IP address.
func (c *Client) InternalIP() (string, error) {
return c.getTrimmed("instance/network-interfaces/0/ip")
}
// Email returns the email address associated with the service account.
// The account may be empty or the string "default" to use the instance's
// main account.
func (c *Client) Email(serviceAccount string) (string, error) {
if serviceAccount == "" {
serviceAccount = "default"
}
return c.getTrimmed("instance/service-accounts/" + serviceAccount + "/email")
}
// ExternalIP returns the instance's primary external (public) IP address.
func (c *Client) ExternalIP() (string, error) {
return c.getTrimmed("instance/network-interfaces/0/access-configs/0/external-ip")
}
// Hostname returns the instance's hostname. This will be of the form
// "<instanceID>.c.<projID>.internal".
func (c *Client) Hostname() (string, error) {
return c.getTrimmed("instance/hostname")
}
// InstanceTags returns the list of user-defined instance tags,
// assigned when initially creating a GCE instance.
func (c *Client) InstanceTags() ([]string, error) {
var s []string
j, err := c.Get("instance/tags")
if err != nil {
return nil, err
}
if err := json.NewDecoder(strings.NewReader(j)).Decode(&s); err != nil {
return nil, err
}
return s, nil
}
// InstanceName returns the current VM's instance ID string.
func (c *Client) InstanceName() (string, error) {
return c.getTrimmed("instance/name")
}
// Zone returns the current VM's zone, such as "us-central1-b".
func (c *Client) Zone() (string, error) {
zone, err := c.getTrimmed("instance/zone")
// zone is of the form "projects/<projNum>/zones/<zoneName>".
if err != nil {
return "", err
}
return zone[strings.LastIndex(zone, "/")+1:], nil
}
// InstanceAttributes returns the list of user-defined attributes,
// assigned when initially creating a GCE VM instance. The value of an
// attribute can be obtained with InstanceAttributeValue.
func (c *Client) InstanceAttributes() ([]string, error) { return c.lines("instance/attributes/") }
// ProjectAttributes returns the list of user-defined attributes
// applying to the project as a whole, not just this VM. The value of
// an attribute can be obtained with ProjectAttributeValue.
func (c *Client) ProjectAttributes() ([]string, error) { return c.lines("project/attributes/") }
// InstanceAttributeValue returns the value of the provided VM
// instance attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// InstanceAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
func (c *Client) InstanceAttributeValue(attr string) (string, error) {
return c.Get("instance/attributes/" + attr)
}
// ProjectAttributeValue returns the value of the provided
// project attribute.
//
// If the requested attribute is not defined, the returned error will
// be of type NotDefinedError.
//
// ProjectAttributeValue may return ("", nil) if the attribute was
// defined to be the empty string.
func (c *Client) ProjectAttributeValue(attr string) (string, error) {
return c.Get("project/attributes/" + attr)
}
// Scopes returns the service account scopes for the given account.
// The account may be empty or the string "default" to use the instance's
// main account.
func (c *Client) Scopes(serviceAccount string) ([]string, error) {
if serviceAccount == "" {
serviceAccount = "default"
}
return c.lines("instance/service-accounts/" + serviceAccount + "/scopes")
}
// Subscribe subscribes to a value from the metadata service.
// The suffix is appended to "http://${GCE_METADATA_HOST}/computeMetadata/v1/".
// The suffix may contain query parameters.
//
// Subscribe calls fn with the latest metadata value indicated by the provided
// suffix. If the metadata value is deleted, fn is called with the empty string
// and ok false. Subscribe blocks until fn returns a non-nil error or the value
// is deleted. Subscribe returns the error value returned from the last call to
// fn, which may be nil when ok == false.
func (c *Client) Subscribe(suffix string, fn func(v string, ok bool) error) error {
const failedSubscribeSleep = time.Second * 5
// First check to see if the metadata value exists at all.
val, lastETag, err := c.getETag(suffix)
if err != nil {
return err
}
if err := fn(val, true); err != nil {
return err
}
ok := true
if strings.ContainsRune(suffix, '?') {
suffix += "&wait_for_change=true&last_etag="
} else {
suffix += "?wait_for_change=true&last_etag="
}
for {
val, etag, err := c.getETag(suffix + url.QueryEscape(lastETag))
if err != nil {
if _, deleted := err.(NotDefinedError); !deleted {
time.Sleep(failedSubscribeSleep)
continue // Retry on other errors.
}
ok = false
}
lastETag = etag
if err := fn(val, ok); err != nil || !ok {
return err
}
}
}
// Error contains an error response from the server.
type Error struct {
// Code is the HTTP response status code.
Code int
// Message is the server response message.
Message string
}
func (e *Error) Error() string {
return fmt.Sprintf("compute: Received %d `%s`", e.Code, e.Message)
}

@ -0,0 +1,114 @@
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package metadata
import (
"context"
"io"
"math/rand"
"net/http"
"time"
)
const (
maxRetryAttempts = 5
)
var (
syscallRetryable = func(err error) bool { return false }
)
// defaultBackoff is basically equivalent to gax.Backoff without the need for
// the dependency.
type defaultBackoff struct {
max time.Duration
mul float64
cur time.Duration
}
func (b *defaultBackoff) Pause() time.Duration {
d := time.Duration(1 + rand.Int63n(int64(b.cur)))
b.cur = time.Duration(float64(b.cur) * b.mul)
if b.cur > b.max {
b.cur = b.max
}
return d
}
// sleep is the equivalent of gax.Sleep without the need for the dependency.
func sleep(ctx context.Context, d time.Duration) error {
t := time.NewTimer(d)
select {
case <-ctx.Done():
t.Stop()
return ctx.Err()
case <-t.C:
return nil
}
}
func newRetryer() *metadataRetryer {
return &metadataRetryer{bo: &defaultBackoff{
cur: 100 * time.Millisecond,
max: 30 * time.Second,
mul: 2,
}}
}
type backoff interface {
Pause() time.Duration
}
type metadataRetryer struct {
bo backoff
attempts int
}
func (r *metadataRetryer) Retry(status int, err error) (time.Duration, bool) {
if status == http.StatusOK {
return 0, false
}
retryOk := shouldRetry(status, err)
if !retryOk {
return 0, false
}
if r.attempts == maxRetryAttempts {
return 0, false
}
r.attempts++
return r.bo.Pause(), true
}
func shouldRetry(status int, err error) bool {
if 500 <= status && status <= 599 {
return true
}
if err == io.ErrUnexpectedEOF {
return true
}
// Transient network errors should be retried.
if syscallRetryable(err) {
return true
}
if err, ok := err.(interface{ Temporary() bool }); ok {
if err.Temporary() {
return true
}
}
if err, ok := err.(interface{ Unwrap() error }); ok {
return shouldRetry(status, err.Unwrap())
}
return false
}

@ -0,0 +1,26 @@
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build linux
// +build linux
package metadata
import "syscall"
func init() {
// Initialize syscallRetryable to return true on transient socket-level
// errors. These errors are specific to Linux.
syscallRetryable = func(err error) bool { return err == syscall.ECONNRESET || err == syscall.ECONNREFUSED }
}

@ -0,0 +1,32 @@
# The standard Go .gitignore file follows. (Sourced from: github.com/github/gitignore/master/Go.gitignore)
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
.DS_Store
.idea/
.vscode/
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof
# go-autorest specific
vendor/
autorest/azure/example/example

File diff suppressed because it is too large Load Diff

@ -0,0 +1,23 @@
DIR?=./autorest/
default: build
build: fmt
go install $(DIR)
test:
go test $(DIR) || exit 1
vet:
@echo "go vet ."
@go vet $(DIR)... ; if [ $$? -eq 1 ]; then \
echo ""; \
echo "Vet found suspicious constructs. Please check the reported constructs"; \
echo "and fix them if necessary before submitting the code for review."; \
exit 1; \
fi
fmt:
gofmt -w $(DIR)
.PHONY: build test vet fmt

@ -0,0 +1,324 @@
# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
[[projects]]
digest = "1:892e39e5c083d0943f1e80ab8351690f183c6a5ab24e1d280adcad424c26255e"
name = "contrib.go.opencensus.io/exporter/ocagent"
packages = ["."]
pruneopts = "UT"
revision = "a8a6f458bbc1d5042322ad1f9b65eeb0b69be9ea"
version = "v0.6.0"
[[projects]]
digest = "1:8f5acd4d4462b5136af644d25101f0968a7a94ee90fcb2059cec5b7cc42e0b20"
name = "github.com/census-instrumentation/opencensus-proto"
packages = [
"gen-go/agent/common/v1",
"gen-go/agent/metrics/v1",
"gen-go/agent/trace/v1",
"gen-go/metrics/v1",
"gen-go/resource/v1",
"gen-go/trace/v1",
]
pruneopts = "UT"
revision = "d89fa54de508111353cb0b06403c00569be780d8"
version = "v0.2.1"
[[projects]]
digest = "1:ffe9824d294da03b391f44e1ae8281281b4afc1bdaa9588c9097785e3af10cec"
name = "github.com/davecgh/go-spew"
packages = ["spew"]
pruneopts = "UT"
revision = "8991bc29aa16c548c550c7ff78260e27b9ab7c73"
version = "v1.1.1"
[[projects]]
digest = "1:76dc72490af7174349349838f2fe118996381b31ea83243812a97e5a0fd5ed55"
name = "github.com/dgrijalva/jwt-go"
packages = ["."]
pruneopts = "UT"
revision = "06ea1031745cb8b3dab3f6a236daf2b0aa468b7e"
version = "v3.2.0"
[[projects]]
digest = "1:cf0d2e435fd4ce45b789e93ef24b5f08e86be0e9807a16beb3694e2d8c9af965"
name = "github.com/dimchansky/utfbom"
packages = ["."]
pruneopts = "UT"
revision = "d2133a1ce379ef6fa992b0514a77146c60db9d1c"
version = "v1.1.0"
[[projects]]
branch = "master"
digest = "1:b7cb6054d3dff43b38ad2e92492f220f57ae6087ee797dca298139776749ace8"
name = "github.com/golang/groupcache"
packages = ["lru"]
pruneopts = "UT"
revision = "611e8accdfc92c4187d399e95ce826046d4c8d73"
[[projects]]
digest = "1:e3839df32927e8d3403cd5aa7253d966e8ff80fc8f10e2e35d146461cd83fcfa"
name = "github.com/golang/protobuf"
packages = [
"descriptor",
"jsonpb",
"proto",
"protoc-gen-go/descriptor",
"ptypes",
"ptypes/any",
"ptypes/duration",
"ptypes/struct",
"ptypes/timestamp",
"ptypes/wrappers",
]
pruneopts = "UT"
revision = "6c65a5562fc06764971b7c5d05c76c75e84bdbf7"
version = "v1.3.2"
[[projects]]
digest = "1:c560cd79300fac84f124b96225181a637a70b60155919a3c36db50b7cca6b806"
name = "github.com/grpc-ecosystem/grpc-gateway"
packages = [
"internal",
"runtime",
"utilities",
]
pruneopts = "UT"
revision = "f7120437bb4f6c71f7f5076ad65a45310de2c009"
version = "v1.12.1"
[[projects]]
digest = "1:5d231480e1c64a726869bc4142d270184c419749d34f167646baa21008eb0a79"
name = "github.com/mitchellh/go-homedir"
packages = ["."]
pruneopts = "UT"
revision = "af06845cf3004701891bf4fdb884bfe4920b3727"
version = "v1.1.0"
[[projects]]
digest = "1:0028cb19b2e4c3112225cd871870f2d9cf49b9b4276531f03438a88e94be86fe"
name = "github.com/pmezard/go-difflib"
packages = ["difflib"]
pruneopts = "UT"
revision = "792786c7400a136282c1664665ae0a8db921c6c2"
version = "v1.0.0"
[[projects]]
digest = "1:99d32780e5238c2621fff621123997c3e3cca96db8be13179013aea77dfab551"
name = "github.com/stretchr/testify"
packages = [
"assert",
"require",
]
pruneopts = "UT"
revision = "221dbe5ed46703ee255b1da0dec05086f5035f62"
version = "v1.4.0"
[[projects]]
digest = "1:7c5e00383399fe13de0b4b65c9fdde16275407ce8ac02d867eafeaa916edcc71"
name = "go.opencensus.io"
packages = [
".",
"internal",
"internal/tagencoding",
"metric/metricdata",
"metric/metricproducer",
"plugin/ocgrpc",
"plugin/ochttp",
"plugin/ochttp/propagation/b3",
"plugin/ochttp/propagation/tracecontext",
"resource",
"stats",
"stats/internal",
"stats/view",
"tag",
"trace",
"trace/internal",
"trace/propagation",
"trace/tracestate",
]
pruneopts = "UT"
revision = "aad2c527c5defcf89b5afab7f37274304195a6b2"
version = "v0.22.2"
[[projects]]
branch = "master"
digest = "1:f604f5e2ee721b6757d962dfe7bab4f28aae50c456e39cfb2f3819762a44a6ae"
name = "golang.org/x/crypto"
packages = [
"pkcs12",
"pkcs12/internal/rc2",
]
pruneopts = "UT"
revision = "e9b2fee46413994441b28dfca259d911d963dfed"
[[projects]]
branch = "master"
digest = "1:334b27eac455cb6567ea28cd424230b07b1a64334a2f861a8075ac26ce10af43"
name = "golang.org/x/lint"
packages = [
".",
"golint",
]
pruneopts = "UT"
revision = "fdd1cda4f05fd1fd86124f0ef9ce31a0b72c8448"
[[projects]]
branch = "master"
digest = "1:257a75d024975428ab9192bfc334c3490882f8cb21322ea5784ca8eca000a910"
name = "golang.org/x/net"
packages = [
"http/httpguts",
"http2",
"http2/hpack",
"idna",
"internal/timeseries",
"trace",
]
pruneopts = "UT"
revision = "1ddd1de85cb0337b623b740a609d35817d516a8d"
[[projects]]
branch = "master"
digest = "1:382bb5a7fb4034db3b6a2d19e5a4a6bcf52f4750530603c01ca18a172fa3089b"
name = "golang.org/x/sync"
packages = ["semaphore"]
pruneopts = "UT"
revision = "cd5d95a43a6e21273425c7ae415d3df9ea832eeb"
[[projects]]
branch = "master"
digest = "1:4da420ceda5f68e8d748aa2169d0ed44ffadb1bbd6537cf778a49563104189b8"
name = "golang.org/x/sys"
packages = ["unix"]
pruneopts = "UT"
revision = "ce4227a45e2eb77e5c847278dcc6a626742e2945"
[[projects]]
digest = "1:8d8faad6b12a3a4c819a3f9618cb6ee1fa1cfc33253abeeea8b55336721e3405"
name = "golang.org/x/text"
packages = [
"collate",
"collate/build",
"internal/colltab",
"internal/gen",
"internal/language",
"internal/language/compact",
"internal/tag",
"internal/triegen",
"internal/ucd",
"language",
"secure/bidirule",
"transform",
"unicode/bidi",
"unicode/cldr",
"unicode/norm",
"unicode/rangetable",
]
pruneopts = "UT"
revision = "342b2e1fbaa52c93f31447ad2c6abc048c63e475"
version = "v0.3.2"
[[projects]]
branch = "master"
digest = "1:4eb5ea8395fb60212dd58b92c9db80bab59d5e99c7435f9a6a0a528c373b60e7"
name = "golang.org/x/tools"
packages = [
"go/ast/astutil",
"go/gcexportdata",
"go/internal/gcimporter",
"go/types/typeutil",
]
pruneopts = "UT"
revision = "259af5ff87bdcd4abf2ecda8edc3f13f04f26a42"
[[projects]]
digest = "1:964bb30febc27fabfbec4759fa530c6ec35e77a7c85fed90b9317ea39a054877"
name = "google.golang.org/api"
packages = ["support/bundler"]
pruneopts = "UT"
revision = "8a410c21381766a810817fd6200fce8838ecb277"
version = "v0.14.0"
[[projects]]
branch = "master"
digest = "1:a8d5c2c6e746b3485e36908ab2a9e3d77b86b81f8156d88403c7d2b462431dfd"
name = "google.golang.org/genproto"
packages = [
"googleapis/api/httpbody",
"googleapis/rpc/status",
"protobuf/field_mask",
]
pruneopts = "UT"
revision = "51378566eb590fa106d1025ea12835a4416dda84"
[[projects]]
digest = "1:b59ce3ddb11daeeccccc9cb3183b58ebf8e9a779f1c853308cd91612e817a301"
name = "google.golang.org/grpc"
packages = [
".",
"backoff",
"balancer",
"balancer/base",
"balancer/roundrobin",
"binarylog/grpc_binarylog_v1",
"codes",
"connectivity",
"credentials",
"credentials/internal",
"encoding",
"encoding/proto",
"grpclog",
"internal",
"internal/backoff",
"internal/balancerload",
"internal/binarylog",
"internal/buffer",
"internal/channelz",
"internal/envconfig",
"internal/grpcrand",
"internal/grpcsync",
"internal/resolver/dns",
"internal/resolver/passthrough",
"internal/syscall",
"internal/transport",
"keepalive",
"metadata",
"naming",
"peer",
"resolver",
"serviceconfig",
"stats",
"status",
"tap",
]
pruneopts = "UT"
revision = "1a3960e4bd028ac0cec0a2afd27d7d8e67c11514"
version = "v1.25.1"
[[projects]]
digest = "1:b75b3deb2bce8bc079e16bb2aecfe01eb80098f5650f9e93e5643ca8b7b73737"
name = "gopkg.in/yaml.v2"
packages = ["."]
pruneopts = "UT"
revision = "1f64d6156d11335c3f22d9330b0ad14fc1e789ce"
version = "v2.2.7"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
input-imports = [
"contrib.go.opencensus.io/exporter/ocagent",
"github.com/dgrijalva/jwt-go",
"github.com/dimchansky/utfbom",
"github.com/mitchellh/go-homedir",
"github.com/stretchr/testify/require",
"go.opencensus.io/plugin/ochttp",
"go.opencensus.io/plugin/ochttp/propagation/tracecontext",
"go.opencensus.io/stats/view",
"go.opencensus.io/trace",
"golang.org/x/crypto/pkcs12",
"golang.org/x/lint/golint",
]
solver-name = "gps-cdcl"
solver-version = 1

@ -0,0 +1,59 @@
# Gopkg.toml example
#
# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
# for detailed Gopkg.toml documentation.
#
# required = ["github.com/user/thing/cmd/thing"]
# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
#
# [[constraint]]
# name = "github.com/user/project"
# version = "1.0.0"
#
# [[constraint]]
# name = "github.com/user/project2"
# branch = "dev"
# source = "github.com/myfork/project2"
#
# [[override]]
# name = "github.com/x/y"
# version = "2.4.0"
#
# [prune]
# non-go = false
# go-tests = true
# unused-packages = true
required = ["golang.org/x/lint/golint"]
[prune]
go-tests = true
unused-packages = true
[[constraint]]
name = "contrib.go.opencensus.io/exporter/ocagent"
version = "0.6.0"
[[constraint]]
name = "github.com/dgrijalva/jwt-go"
version = "3.2.0"
[[constraint]]
name = "github.com/dimchansky/utfbom"
version = "1.1.0"
[[constraint]]
name = "github.com/mitchellh/go-homedir"
version = "1.1.0"
[[constraint]]
name = "github.com/stretchr/testify"
version = "1.3.0"
[[constraint]]
name = "go.opencensus.io"
version = "0.22.0"
[[constraint]]
branch = "master"
name = "golang.org/x/crypto"

@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2015 Microsoft Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

@ -0,0 +1,165 @@
# go-autorest
[![GoDoc](https://godoc.org/github.com/Azure/go-autorest/autorest?status.png)](https://godoc.org/github.com/Azure/go-autorest/autorest)
[![Build Status](https://dev.azure.com/azure-sdk/public/_apis/build/status/go/Azure.go-autorest?branchName=master)](https://dev.azure.com/azure-sdk/public/_build/latest?definitionId=625&branchName=master)
[![Go Report Card](https://goreportcard.com/badge/Azure/go-autorest)](https://goreportcard.com/report/Azure/go-autorest)
Package go-autorest provides an HTTP request client for use with [Autorest](https://github.com/Azure/autorest.go)-generated API client packages.
An authentication client tested with Azure Active Directory (AAD) is also
provided in this repo in the package
`github.com/Azure/go-autorest/autorest/adal`. Despite its name, this package
is maintained only as part of the Azure Go SDK and is not related to other
"ADAL" libraries in [github.com/AzureAD](https://github.com/AzureAD).
## Overview
Package go-autorest implements an HTTP request pipeline suitable for use across
multiple goroutines and provides the shared routines used by packages generated
by [Autorest](https://github.com/Azure/autorest.go).
The package breaks sending and responding to HTTP requests into three phases: Preparing, Sending,
and Responding. A typical pattern is:
```go
req, err := Prepare(&http.Request{},
token.WithAuthorization())
resp, err := Send(req,
WithLogging(logger),
DoErrorIfStatusCode(http.StatusInternalServerError),
DoCloseIfError(),
DoRetryForAttempts(5, time.Second))
err = Respond(resp,
ByDiscardingBody(),
ByClosing())
```
Each phase relies on decorators to modify and / or manage processing. Decorators may first modify
and then pass the data along, pass the data first and then modify the result, or wrap themselves
around passing the data (such as a logger might do). Decorators run in the order provided. For
example, the following:
```go
req, err := Prepare(&http.Request{},
WithBaseURL("https://microsoft.com/"),
WithPath("a"),
WithPath("b"),
WithPath("c"))
```
will set the URL to:
```
https://microsoft.com/a/b/c
```
Preparers and Responders may be shared and re-used (assuming the underlying decorators support
sharing and re-use). Performant use is obtained by creating one or more Preparers and Responders
shared among multiple go-routines, and a single Sender shared among multiple sending go-routines,
all bound together by means of input / output channels.
Decorators hold their passed state within a closure (such as the path components in the example
above). Be careful to share Preparers and Responders only in a context where such held state
applies. For example, it may not make sense to share a Preparer that applies a query string from a
fixed set of values. Similarly, sharing a Responder that reads the response body into a passed
struct (e.g., `ByUnmarshallingJson`) is likely incorrect.
Errors raised by autorest objects and methods will conform to the `autorest.Error` interface.
See the included examples for more detail. For details on the suggested use of this package by
generated clients, see the Client described below.
## Helpers
### Handling Swagger Dates
The Swagger specification (https://swagger.io) that drives AutoRest
(https://github.com/Azure/autorest/) precisely defines two date forms: date and date-time. The
github.com/Azure/go-autorest/autorest/date package provides time.Time derivations to ensure correct
parsing and formatting.
### Handling Empty Values
In JSON, missing values have different semantics than empty values. This is especially true for
services using the HTTP PATCH verb. The JSON submitted with a PATCH request generally contains
only those values to modify. Missing values are to be left unchanged. Developers, then, require a
means to both specify an empty value and to leave the value out of the submitted JSON.
The Go JSON package (`encoding/json`) supports the `omitempty` tag. When specified, it omits
empty values from the rendered JSON. Since Go defines default values for all base types (such as ""
for string and 0 for int) and provides no means to mark a value as actually empty, the JSON package
treats default values as meaning empty, omitting them from the rendered JSON. This means that, using
the Go base types encoded through the default JSON package, it is not possible to create JSON to
clear a value at the server.
The workaround within the Go community is to use pointers to base types in lieu of base types within
structures that map to JSON. For example, instead of a value of type `string`, the workaround uses
`*string`. While this enables distinguishing empty values from those to be unchanged, creating
pointers to a base type (notably constant, in-line values) requires additional variables. This, for
example,
```go
s := struct {
S *string
}{ S: &"foo" }
```
fails, while, this
```go
v := "foo"
s := struct {
S *string
}{ S: &v }
```
succeeds.
To ease using pointers, the subpackage `to` contains helpers that convert to and from pointers for
Go base types which have Swagger analogs. It also provides a helper that converts between
`map[string]string` and `map[string]*string`, enabling the JSON to specify that the value
associated with a key should be cleared. With the helpers, the previous example becomes
```go
s := struct {
S *string
}{ S: to.StringPtr("foo") }
```
## Install
```bash
go get github.com/Azure/go-autorest/autorest
go get github.com/Azure/go-autorest/autorest/azure
go get github.com/Azure/go-autorest/autorest/date
go get github.com/Azure/go-autorest/autorest/to
```
### Using with Go Modules
In [v12.0.1](https://github.com/Azure/go-autorest/pull/386), this repository introduced the following modules.
- autorest/adal
- autorest/azure/auth
- autorest/azure/cli
- autorest/date
- autorest/mocks
- autorest/to
- autorest/validation
- autorest
- logger
- tracing
Tagging cumulative SDK releases as a whole (e.g. `v12.3.0`) is still enabled to support consumers of this repo that have not yet migrated to modules.
## License
See LICENSE file.
-----
This project has adopted the [Microsoft Open Source Code of
Conduct](https://opensource.microsoft.com/codeofconduct/). For more information
see the [Code of Conduct
FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact
[opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional
questions or comments.

@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2015 Microsoft Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2015 Microsoft Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

@ -0,0 +1,294 @@
# NOTE: This module will go out of support by March 31, 2023. For authenticating with Azure AD, use module [azidentity](https://pkg.go.dev/github.com/Azure/azure-sdk-for-go/sdk/azidentity) instead. For help migrating from `adal` to `azidentiy` please consult the [migration guide](https://aka.ms/azsdk/go/identity/migration). General information about the retirement of this and other legacy modules can be found [here](https://azure.microsoft.com/updates/support-for-azure-sdk-libraries-that-do-not-conform-to-our-current-azure-sdk-guidelines-will-be-retired-as-of-31-march-2023/).
# Azure Active Directory authentication for Go
This is a standalone package for authenticating with Azure Active
Directory from other Go libraries and applications, in particular the [Azure SDK
for Go](https://github.com/Azure/azure-sdk-for-go).
Note: Despite the package's name it is not related to other "ADAL" libraries
maintained in the [github.com/AzureAD](https://github.com/AzureAD) org. Issues
should be opened in [this repo's](https://github.com/Azure/go-autorest/issues)
or [the SDK's](https://github.com/Azure/azure-sdk-for-go/issues) issue
trackers.
## Install
```bash
go get -u github.com/Azure/go-autorest/autorest/adal
```
## Usage
An Active Directory application is required in order to use this library. An application can be registered in the [Azure Portal](https://portal.azure.com/) by following these [guidelines](https://docs.microsoft.com/azure/active-directory/develop/active-directory-integrating-applications) or using the [Azure CLI](https://github.com/Azure/azure-cli).
### Register an Azure AD Application with secret
1. Register a new application with a `secret` credential
```
az ad app create \
--display-name example-app \
--homepage https://example-app/home \
--identifier-uris https://example-app/app \
--password secret
```
2. Create a service principal using the `Application ID` from previous step
```
az ad sp create --id "Application ID"
```
* Replace `Application ID` with `appId` from step 1.
### Register an Azure AD Application with certificate
1. Create a private key
```
openssl genrsa -out "example-app.key" 2048
```
2. Create the certificate
```
openssl req -new -key "example-app.key" -subj "/CN=example-app" -out "example-app.csr"
openssl x509 -req -in "example-app.csr" -signkey "example-app.key" -out "example-app.crt" -days 10000
```
3. Create the PKCS12 version of the certificate containing also the private key
```
openssl pkcs12 -export -out "example-app.pfx" -inkey "example-app.key" -in "example-app.crt" -passout pass:
```
4. Register a new application with the certificate content form `example-app.crt`
```
certificateContents="$(tail -n+2 "example-app.crt" | head -n-1)"
az ad app create \
--display-name example-app \
--homepage https://example-app/home \
--identifier-uris https://example-app/app \
--key-usage Verify --end-date 2018-01-01 \
--key-value "${certificateContents}"
```
5. Create a service principal using the `Application ID` from previous step
```
az ad sp create --id "APPLICATION_ID"
```
* Replace `APPLICATION_ID` with `appId` from step 4.
### Grant the necessary permissions
Azure relies on a Role-Based Access Control (RBAC) model to manage the access to resources at a fine-grained
level. There is a set of [pre-defined roles](https://docs.microsoft.com/azure/active-directory/role-based-access-built-in-roles)
which can be assigned to a service principal of an Azure AD application depending of your needs.
```
az role assignment create --assigner "SERVICE_PRINCIPAL_ID" --role "ROLE_NAME"
```
* Replace the `SERVICE_PRINCIPAL_ID` with the `appId` from previous step.
* Replace the `ROLE_NAME` with a role name of your choice.
It is also possible to define custom role definitions.
```
az role definition create --role-definition role-definition.json
```
* Check [custom roles](https://docs.microsoft.com/azure/active-directory/role-based-access-control-custom-roles) for more details regarding the content of `role-definition.json` file.
### Acquire Access Token
The common configuration used by all flows:
```Go
const activeDirectoryEndpoint = "https://login.microsoftonline.com/"
tenantID := "TENANT_ID"
oauthConfig, err := adal.NewOAuthConfig(activeDirectoryEndpoint, tenantID)
applicationID := "APPLICATION_ID"
callback := func(token adal.Token) error {
// This is called after the token is acquired
}
// The resource for which the token is acquired
resource := "https://management.core.windows.net/"
```
* Replace the `TENANT_ID` with your tenant ID.
* Replace the `APPLICATION_ID` with the value from previous section.
#### Client Credentials
```Go
applicationSecret := "APPLICATION_SECRET"
spt, err := adal.NewServicePrincipalToken(
*oauthConfig,
appliationID,
applicationSecret,
resource,
callbacks...)
if err != nil {
return nil, err
}
// Acquire a new access token
err = spt.Refresh()
if (err == nil) {
token := spt.Token
}
```
* Replace the `APPLICATION_SECRET` with the `password` value from previous section.
#### Client Certificate
```Go
certificatePath := "./example-app.pfx"
certData, err := ioutil.ReadFile(certificatePath)
if err != nil {
return nil, fmt.Errorf("failed to read the certificate file (%s): %v", certificatePath, err)
}
// Get the certificate and private key from pfx file
certificate, rsaPrivateKey, err := decodePkcs12(certData, "")
if err != nil {
return nil, fmt.Errorf("failed to decode pkcs12 certificate while creating spt: %v", err)
}
spt, err := adal.NewServicePrincipalTokenFromCertificate(
*oauthConfig,
applicationID,
certificate,
rsaPrivateKey,
resource,
callbacks...)
// Acquire a new access token
err = spt.Refresh()
if (err == nil) {
token := spt.Token
}
```
* Update the certificate path to point to the example-app.pfx file which was created in previous section.
#### Device Code
```Go
oauthClient := &http.Client{}
// Acquire the device code
deviceCode, err := adal.InitiateDeviceAuth(
oauthClient,
*oauthConfig,
applicationID,
resource)
if err != nil {
return nil, fmt.Errorf("Failed to start device auth flow: %s", err)
}
// Display the authentication message
fmt.Println(*deviceCode.Message)
// Wait here until the user is authenticated
token, err := adal.WaitForUserCompletion(oauthClient, deviceCode)
if err != nil {
return nil, fmt.Errorf("Failed to finish device auth flow: %s", err)
}
spt, err := adal.NewServicePrincipalTokenFromManualToken(
*oauthConfig,
applicationID,
resource,
*token,
callbacks...)
if (err == nil) {
token := spt.Token
}
```
#### Username password authenticate
```Go
spt, err := adal.NewServicePrincipalTokenFromUsernamePassword(
*oauthConfig,
applicationID,
username,
password,
resource,
callbacks...)
if (err == nil) {
token := spt.Token
}
```
#### Authorization code authenticate
``` Go
spt, err := adal.NewServicePrincipalTokenFromAuthorizationCode(
*oauthConfig,
applicationID,
clientSecret,
authorizationCode,
redirectURI,
resource,
callbacks...)
err = spt.Refresh()
if (err == nil) {
token := spt.Token
}
```
### Command Line Tool
A command line tool is available in `cmd/adal.go` that can acquire a token for a given resource. It supports all flows mentioned above.
```
adal -h
Usage of ./adal:
-applicationId string
application id
-certificatePath string
path to pk12/PFC application certificate
-mode string
authentication mode (device, secret, cert, refresh) (default "device")
-resource string
resource for which the token is requested
-secret string
application secret
-tenantId string
tenant id
-tokenCachePath string
location of oath token cache (default "/home/cgc/.adal/accessToken.json")
```
Example acquire a token for `https://management.core.windows.net/` using device code flow:
```
adal -mode device \
-applicationId "APPLICATION_ID" \
-tenantId "TENANT_ID" \
-resource https://management.core.windows.net/
```

@ -0,0 +1,151 @@
package adal
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"errors"
"fmt"
"net/url"
)
const (
activeDirectoryEndpointTemplate = "%s/oauth2/%s%s"
)
// OAuthConfig represents the endpoints needed
// in OAuth operations
type OAuthConfig struct {
AuthorityEndpoint url.URL `json:"authorityEndpoint"`
AuthorizeEndpoint url.URL `json:"authorizeEndpoint"`
TokenEndpoint url.URL `json:"tokenEndpoint"`
DeviceCodeEndpoint url.URL `json:"deviceCodeEndpoint"`
}
// IsZero returns true if the OAuthConfig object is zero-initialized.
func (oac OAuthConfig) IsZero() bool {
return oac == OAuthConfig{}
}
func validateStringParam(param, name string) error {
if len(param) == 0 {
return fmt.Errorf("parameter '" + name + "' cannot be empty")
}
return nil
}
// NewOAuthConfig returns an OAuthConfig with tenant specific urls
func NewOAuthConfig(activeDirectoryEndpoint, tenantID string) (*OAuthConfig, error) {
apiVer := "1.0"
return NewOAuthConfigWithAPIVersion(activeDirectoryEndpoint, tenantID, &apiVer)
}
// NewOAuthConfigWithAPIVersion returns an OAuthConfig with tenant specific urls.
// If apiVersion is not nil the "api-version" query parameter will be appended to the endpoint URLs with the specified value.
func NewOAuthConfigWithAPIVersion(activeDirectoryEndpoint, tenantID string, apiVersion *string) (*OAuthConfig, error) {
if err := validateStringParam(activeDirectoryEndpoint, "activeDirectoryEndpoint"); err != nil {
return nil, err
}
api := ""
// it's legal for tenantID to be empty so don't validate it
if apiVersion != nil {
if err := validateStringParam(*apiVersion, "apiVersion"); err != nil {
return nil, err
}
api = fmt.Sprintf("?api-version=%s", *apiVersion)
}
u, err := url.Parse(activeDirectoryEndpoint)
if err != nil {
return nil, err
}
authorityURL, err := u.Parse(tenantID)
if err != nil {
return nil, err
}
authorizeURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "authorize", api))
if err != nil {
return nil, err
}
tokenURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "token", api))
if err != nil {
return nil, err
}
deviceCodeURL, err := u.Parse(fmt.Sprintf(activeDirectoryEndpointTemplate, tenantID, "devicecode", api))
if err != nil {
return nil, err
}
return &OAuthConfig{
AuthorityEndpoint: *authorityURL,
AuthorizeEndpoint: *authorizeURL,
TokenEndpoint: *tokenURL,
DeviceCodeEndpoint: *deviceCodeURL,
}, nil
}
// MultiTenantOAuthConfig provides endpoints for primary and aulixiary tenant IDs.
type MultiTenantOAuthConfig interface {
PrimaryTenant() *OAuthConfig
AuxiliaryTenants() []*OAuthConfig
}
// OAuthOptions contains optional OAuthConfig creation arguments.
type OAuthOptions struct {
APIVersion string
}
func (c OAuthOptions) apiVersion() string {
if c.APIVersion != "" {
return fmt.Sprintf("?api-version=%s", c.APIVersion)
}
return "1.0"
}
// NewMultiTenantOAuthConfig creates an object that support multitenant OAuth configuration.
// See https://docs.microsoft.com/en-us/azure/azure-resource-manager/authenticate-multi-tenant for more information.
func NewMultiTenantOAuthConfig(activeDirectoryEndpoint, primaryTenantID string, auxiliaryTenantIDs []string, options OAuthOptions) (MultiTenantOAuthConfig, error) {
if len(auxiliaryTenantIDs) == 0 || len(auxiliaryTenantIDs) > 3 {
return nil, errors.New("must specify one to three auxiliary tenants")
}
mtCfg := multiTenantOAuthConfig{
cfgs: make([]*OAuthConfig, len(auxiliaryTenantIDs)+1),
}
apiVer := options.apiVersion()
pri, err := NewOAuthConfigWithAPIVersion(activeDirectoryEndpoint, primaryTenantID, &apiVer)
if err != nil {
return nil, fmt.Errorf("failed to create OAuthConfig for primary tenant: %v", err)
}
mtCfg.cfgs[0] = pri
for i := range auxiliaryTenantIDs {
aux, err := NewOAuthConfig(activeDirectoryEndpoint, auxiliaryTenantIDs[i])
if err != nil {
return nil, fmt.Errorf("failed to create OAuthConfig for tenant '%s': %v", auxiliaryTenantIDs[i], err)
}
mtCfg.cfgs[i+1] = aux
}
return mtCfg, nil
}
type multiTenantOAuthConfig struct {
// first config in the slice is the primary tenant
cfgs []*OAuthConfig
}
func (m multiTenantOAuthConfig) PrimaryTenant() *OAuthConfig {
return m.cfgs[0]
}
func (m multiTenantOAuthConfig) AuxiliaryTenants() []*OAuthConfig {
return m.cfgs[1:]
}

@ -0,0 +1,273 @@
package adal
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
This file is largely based on rjw57/oauth2device's code, with the follow differences:
* scope -> resource, and only allow a single one
* receive "Message" in the DeviceCode struct and show it to users as the prompt
* azure-xplat-cli has the following behavior that this emulates:
- does not send client_secret during the token exchange
- sends resource again in the token exchange request
*/
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"time"
)
const (
logPrefix = "autorest/adal/devicetoken:"
)
var (
// ErrDeviceGeneric represents an unknown error from the token endpoint when using device flow
ErrDeviceGeneric = fmt.Errorf("%s Error while retrieving OAuth token: Unknown Error", logPrefix)
// ErrDeviceAccessDenied represents an access denied error from the token endpoint when using device flow
ErrDeviceAccessDenied = fmt.Errorf("%s Error while retrieving OAuth token: Access Denied", logPrefix)
// ErrDeviceAuthorizationPending represents the server waiting on the user to complete the device flow
ErrDeviceAuthorizationPending = fmt.Errorf("%s Error while retrieving OAuth token: Authorization Pending", logPrefix)
// ErrDeviceCodeExpired represents the server timing out and expiring the code during device flow
ErrDeviceCodeExpired = fmt.Errorf("%s Error while retrieving OAuth token: Code Expired", logPrefix)
// ErrDeviceSlowDown represents the service telling us we're polling too often during device flow
ErrDeviceSlowDown = fmt.Errorf("%s Error while retrieving OAuth token: Slow Down", logPrefix)
// ErrDeviceCodeEmpty represents an empty device code from the device endpoint while using device flow
ErrDeviceCodeEmpty = fmt.Errorf("%s Error while retrieving device code: Device Code Empty", logPrefix)
// ErrOAuthTokenEmpty represents an empty OAuth token from the token endpoint when using device flow
ErrOAuthTokenEmpty = fmt.Errorf("%s Error while retrieving OAuth token: Token Empty", logPrefix)
errCodeSendingFails = "Error occurred while sending request for Device Authorization Code"
errCodeHandlingFails = "Error occurred while handling response from the Device Endpoint"
errTokenSendingFails = "Error occurred while sending request with device code for a token"
errTokenHandlingFails = "Error occurred while handling response from the Token Endpoint (during device flow)"
errStatusNotOK = "Error HTTP status != 200"
)
// DeviceCode is the object returned by the device auth endpoint
// It contains information to instruct the user to complete the auth flow
type DeviceCode struct {
DeviceCode *string `json:"device_code,omitempty"`
UserCode *string `json:"user_code,omitempty"`
VerificationURL *string `json:"verification_url,omitempty"`
ExpiresIn *int64 `json:"expires_in,string,omitempty"`
Interval *int64 `json:"interval,string,omitempty"`
Message *string `json:"message"` // Azure specific
Resource string // store the following, stored when initiating, used when exchanging
OAuthConfig OAuthConfig
ClientID string
}
// TokenError is the object returned by the token exchange endpoint
// when something is amiss
type TokenError struct {
Error *string `json:"error,omitempty"`
ErrorCodes []int `json:"error_codes,omitempty"`
ErrorDescription *string `json:"error_description,omitempty"`
Timestamp *string `json:"timestamp,omitempty"`
TraceID *string `json:"trace_id,omitempty"`
}
// DeviceToken is the object return by the token exchange endpoint
// It can either look like a Token or an ErrorToken, so put both here
// and check for presence of "Error" to know if we are in error state
type deviceToken struct {
Token
TokenError
}
// InitiateDeviceAuth initiates a device auth flow. It returns a DeviceCode
// that can be used with CheckForUserCompletion or WaitForUserCompletion.
// Deprecated: use InitiateDeviceAuthWithContext() instead.
func InitiateDeviceAuth(sender Sender, oauthConfig OAuthConfig, clientID, resource string) (*DeviceCode, error) {
return InitiateDeviceAuthWithContext(context.Background(), sender, oauthConfig, clientID, resource)
}
// InitiateDeviceAuthWithContext initiates a device auth flow. It returns a DeviceCode
// that can be used with CheckForUserCompletion or WaitForUserCompletion.
func InitiateDeviceAuthWithContext(ctx context.Context, sender Sender, oauthConfig OAuthConfig, clientID, resource string) (*DeviceCode, error) {
v := url.Values{
"client_id": []string{clientID},
"resource": []string{resource},
}
s := v.Encode()
body := ioutil.NopCloser(strings.NewReader(s))
req, err := http.NewRequest(http.MethodPost, oauthConfig.DeviceCodeEndpoint.String(), body)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeSendingFails, err.Error())
}
req.ContentLength = int64(len(s))
req.Header.Set(contentType, mimeTypeFormPost)
resp, err := sender.Do(req.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeSendingFails, err.Error())
}
defer resp.Body.Close()
rb, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeHandlingFails, err.Error())
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeHandlingFails, errStatusNotOK)
}
if len(strings.Trim(string(rb), " ")) == 0 {
return nil, ErrDeviceCodeEmpty
}
var code DeviceCode
err = json.Unmarshal(rb, &code)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errCodeHandlingFails, err.Error())
}
code.ClientID = clientID
code.Resource = resource
code.OAuthConfig = oauthConfig
return &code, nil
}
// CheckForUserCompletion takes a DeviceCode and checks with the Azure AD OAuth endpoint
// to see if the device flow has: been completed, timed out, or otherwise failed
// Deprecated: use CheckForUserCompletionWithContext() instead.
func CheckForUserCompletion(sender Sender, code *DeviceCode) (*Token, error) {
return CheckForUserCompletionWithContext(context.Background(), sender, code)
}
// CheckForUserCompletionWithContext takes a DeviceCode and checks with the Azure AD OAuth endpoint
// to see if the device flow has: been completed, timed out, or otherwise failed
func CheckForUserCompletionWithContext(ctx context.Context, sender Sender, code *DeviceCode) (*Token, error) {
v := url.Values{
"client_id": []string{code.ClientID},
"code": []string{*code.DeviceCode},
"grant_type": []string{OAuthGrantTypeDeviceCode},
"resource": []string{code.Resource},
}
s := v.Encode()
body := ioutil.NopCloser(strings.NewReader(s))
req, err := http.NewRequest(http.MethodPost, code.OAuthConfig.TokenEndpoint.String(), body)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenSendingFails, err.Error())
}
req.ContentLength = int64(len(s))
req.Header.Set(contentType, mimeTypeFormPost)
resp, err := sender.Do(req.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenSendingFails, err.Error())
}
defer resp.Body.Close()
rb, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenHandlingFails, err.Error())
}
if resp.StatusCode != http.StatusOK && len(strings.Trim(string(rb), " ")) == 0 {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenHandlingFails, errStatusNotOK)
}
if len(strings.Trim(string(rb), " ")) == 0 {
return nil, ErrOAuthTokenEmpty
}
var token deviceToken
err = json.Unmarshal(rb, &token)
if err != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, errTokenHandlingFails, err.Error())
}
if token.Error == nil {
return &token.Token, nil
}
switch *token.Error {
case "authorization_pending":
return nil, ErrDeviceAuthorizationPending
case "slow_down":
return nil, ErrDeviceSlowDown
case "access_denied":
return nil, ErrDeviceAccessDenied
case "code_expired":
return nil, ErrDeviceCodeExpired
default:
// return a more meaningful error message if available
if token.ErrorDescription != nil {
return nil, fmt.Errorf("%s %s: %s", logPrefix, *token.Error, *token.ErrorDescription)
}
return nil, ErrDeviceGeneric
}
}
// WaitForUserCompletion calls CheckForUserCompletion repeatedly until a token is granted or an error state occurs.
// This prevents the user from looping and checking against 'ErrDeviceAuthorizationPending'.
// Deprecated: use WaitForUserCompletionWithContext() instead.
func WaitForUserCompletion(sender Sender, code *DeviceCode) (*Token, error) {
return WaitForUserCompletionWithContext(context.Background(), sender, code)
}
// WaitForUserCompletionWithContext calls CheckForUserCompletion repeatedly until a token is granted or an error
// state occurs. This prevents the user from looping and checking against 'ErrDeviceAuthorizationPending'.
func WaitForUserCompletionWithContext(ctx context.Context, sender Sender, code *DeviceCode) (*Token, error) {
intervalDuration := time.Duration(*code.Interval) * time.Second
waitDuration := intervalDuration
for {
token, err := CheckForUserCompletionWithContext(ctx, sender, code)
if err == nil {
return token, nil
}
switch err {
case ErrDeviceSlowDown:
waitDuration += waitDuration
case ErrDeviceAuthorizationPending:
// noop
default: // everything else is "fatal" to us
return nil, err
}
if waitDuration > (intervalDuration * 3) {
return nil, fmt.Errorf("%s Error waiting for user to complete device flow. Server told us to slow_down too much", logPrefix)
}
select {
case <-time.After(waitDuration):
// noop
case <-ctx.Done():
return nil, ctx.Err()
}
}
}

@ -0,0 +1,25 @@
//go:build modhack
// +build modhack
package adal
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file, and the github.com/Azure/go-autorest import, won't actually become part of
// the resultant binary.
// Necessary for safely adding multi-module repo.
// See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
import _ "github.com/Azure/go-autorest"

@ -0,0 +1,135 @@
package adal
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"crypto/rsa"
"crypto/x509"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"golang.org/x/crypto/pkcs12"
)
var (
// ErrMissingCertificate is returned when no local certificate is found in the provided PFX data.
ErrMissingCertificate = errors.New("adal: certificate missing")
// ErrMissingPrivateKey is returned when no private key is found in the provided PFX data.
ErrMissingPrivateKey = errors.New("adal: private key missing")
)
// LoadToken restores a Token object from a file located at 'path'.
func LoadToken(path string) (*Token, error) {
file, err := os.Open(path)
if err != nil {
return nil, fmt.Errorf("failed to open file (%s) while loading token: %v", path, err)
}
defer file.Close()
var token Token
dec := json.NewDecoder(file)
if err = dec.Decode(&token); err != nil {
return nil, fmt.Errorf("failed to decode contents of file (%s) into Token representation: %v", path, err)
}
return &token, nil
}
// SaveToken persists an oauth token at the given location on disk.
// It moves the new file into place so it can safely be used to replace an existing file
// that maybe accessed by multiple processes.
func SaveToken(path string, mode os.FileMode, token Token) error {
dir := filepath.Dir(path)
err := os.MkdirAll(dir, os.ModePerm)
if err != nil {
return fmt.Errorf("failed to create directory (%s) to store token in: %v", dir, err)
}
newFile, err := ioutil.TempFile(dir, "token")
if err != nil {
return fmt.Errorf("failed to create the temp file to write the token: %v", err)
}
tempPath := newFile.Name()
if err := json.NewEncoder(newFile).Encode(token); err != nil {
return fmt.Errorf("failed to encode token to file (%s) while saving token: %v", tempPath, err)
}
if err := newFile.Close(); err != nil {
return fmt.Errorf("failed to close temp file %s: %v", tempPath, err)
}
// Atomic replace to avoid multi-writer file corruptions
if err := os.Rename(tempPath, path); err != nil {
return fmt.Errorf("failed to move temporary token to desired output location. src=%s dst=%s: %v", tempPath, path, err)
}
if err := os.Chmod(path, mode); err != nil {
return fmt.Errorf("failed to chmod the token file %s: %v", path, err)
}
return nil
}
// DecodePfxCertificateData extracts the x509 certificate and RSA private key from the provided PFX data.
// The PFX data must contain a private key along with a certificate whose public key matches that of the
// private key or an error is returned.
// If the private key is not password protected pass the empty string for password.
func DecodePfxCertificateData(pfxData []byte, password string) (*x509.Certificate, *rsa.PrivateKey, error) {
blocks, err := pkcs12.ToPEM(pfxData, password)
if err != nil {
return nil, nil, err
}
// first extract the private key
var priv *rsa.PrivateKey
for _, block := range blocks {
if block.Type == "PRIVATE KEY" {
priv, err = x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, nil, err
}
break
}
}
if priv == nil {
return nil, nil, ErrMissingPrivateKey
}
// now find the certificate with the matching public key of our private key
var cert *x509.Certificate
for _, block := range blocks {
if block.Type == "CERTIFICATE" {
pcert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return nil, nil, err
}
certKey, ok := pcert.PublicKey.(*rsa.PublicKey)
if !ok {
// keep looking
continue
}
if priv.E == certKey.E && priv.N.Cmp(certKey.N) == 0 {
// found a match
cert = pcert
break
}
}
}
if cert == nil {
return nil, nil, ErrMissingCertificate
}
return cert, priv, nil
}

@ -0,0 +1,101 @@
package adal
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"crypto/tls"
"net"
"net/http"
"net/http/cookiejar"
"sync"
"time"
"github.com/Azure/go-autorest/tracing"
)
const (
contentType = "Content-Type"
mimeTypeFormPost = "application/x-www-form-urlencoded"
)
// DO NOT ACCESS THIS DIRECTLY. go through sender()
var defaultSender Sender
var defaultSenderInit = &sync.Once{}
// Sender is the interface that wraps the Do method to send HTTP requests.
//
// The standard http.Client conforms to this interface.
type Sender interface {
Do(*http.Request) (*http.Response, error)
}
// SenderFunc is a method that implements the Sender interface.
type SenderFunc func(*http.Request) (*http.Response, error)
// Do implements the Sender interface on SenderFunc.
func (sf SenderFunc) Do(r *http.Request) (*http.Response, error) {
return sf(r)
}
// SendDecorator takes and possibly decorates, by wrapping, a Sender. Decorators may affect the
// http.Request and pass it along or, first, pass the http.Request along then react to the
// http.Response result.
type SendDecorator func(Sender) Sender
// CreateSender creates, decorates, and returns, as a Sender, the default http.Client.
func CreateSender(decorators ...SendDecorator) Sender {
return DecorateSender(sender(), decorators...)
}
// DecorateSender accepts a Sender and a, possibly empty, set of SendDecorators, which is applies to
// the Sender. Decorators are applied in the order received, but their affect upon the request
// depends on whether they are a pre-decorator (change the http.Request and then pass it along) or a
// post-decorator (pass the http.Request along and react to the results in http.Response).
func DecorateSender(s Sender, decorators ...SendDecorator) Sender {
for _, decorate := range decorators {
s = decorate(s)
}
return s
}
func sender() Sender {
// note that we can't init defaultSender in init() since it will
// execute before calling code has had a chance to enable tracing
defaultSenderInit.Do(func() {
// copied from http.DefaultTransport with a TLS minimum version.
transport := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).DialContext,
ForceAttemptHTTP2: true,
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
TLSClientConfig: &tls.Config{
MinVersion: tls.VersionTLS12,
},
}
var roundTripper http.RoundTripper = transport
if tracing.IsEnabled() {
roundTripper = tracing.NewTransport(transport)
}
j, _ := cookiejar.New(nil)
defaultSender = &http.Client{Jar: j, Transport: roundTripper}
})
return defaultSender
}

File diff suppressed because it is too large Load Diff

@ -0,0 +1,76 @@
//go:build go1.13
// +build go1.13
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package adal
import (
"context"
"fmt"
"net/http"
"time"
)
func getMSIEndpoint(ctx context.Context, sender Sender) (*http.Response, error) {
tempCtx, cancel := context.WithTimeout(ctx, 2*time.Second)
defer cancel()
// http.NewRequestWithContext() was added in Go 1.13
req, _ := http.NewRequestWithContext(tempCtx, http.MethodGet, msiEndpoint, nil)
q := req.URL.Query()
q.Add("api-version", msiAPIVersion)
req.URL.RawQuery = q.Encode()
return sender.Do(req)
}
// EnsureFreshWithContext will refresh the token if it will expire within the refresh window (as set by
// RefreshWithin) and autoRefresh flag is on. This method is safe for concurrent use.
func (mt *MultiTenantServicePrincipalToken) EnsureFreshWithContext(ctx context.Context) error {
if err := mt.PrimaryToken.EnsureFreshWithContext(ctx); err != nil {
return fmt.Errorf("failed to refresh primary token: %w", err)
}
for _, aux := range mt.AuxiliaryTokens {
if err := aux.EnsureFreshWithContext(ctx); err != nil {
return fmt.Errorf("failed to refresh auxiliary token: %w", err)
}
}
return nil
}
// RefreshWithContext obtains a fresh token for the Service Principal.
func (mt *MultiTenantServicePrincipalToken) RefreshWithContext(ctx context.Context) error {
if err := mt.PrimaryToken.RefreshWithContext(ctx); err != nil {
return fmt.Errorf("failed to refresh primary token: %w", err)
}
for _, aux := range mt.AuxiliaryTokens {
if err := aux.RefreshWithContext(ctx); err != nil {
return fmt.Errorf("failed to refresh auxiliary token: %w", err)
}
}
return nil
}
// RefreshExchangeWithContext refreshes the token, but for a different resource.
func (mt *MultiTenantServicePrincipalToken) RefreshExchangeWithContext(ctx context.Context, resource string) error {
if err := mt.PrimaryToken.RefreshExchangeWithContext(ctx, resource); err != nil {
return fmt.Errorf("failed to refresh primary token: %w", err)
}
for _, aux := range mt.AuxiliaryTokens {
if err := aux.RefreshExchangeWithContext(ctx, resource); err != nil {
return fmt.Errorf("failed to refresh auxiliary token: %w", err)
}
}
return nil
}

@ -0,0 +1,75 @@
//go:build !go1.13
// +build !go1.13
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package adal
import (
"context"
"net/http"
"time"
)
func getMSIEndpoint(ctx context.Context, sender Sender) (*http.Response, error) {
tempCtx, cancel := context.WithTimeout(ctx, 2*time.Second)
defer cancel()
req, _ := http.NewRequest(http.MethodGet, msiEndpoint, nil)
req = req.WithContext(tempCtx)
q := req.URL.Query()
q.Add("api-version", msiAPIVersion)
req.URL.RawQuery = q.Encode()
return sender.Do(req)
}
// EnsureFreshWithContext will refresh the token if it will expire within the refresh window (as set by
// RefreshWithin) and autoRefresh flag is on. This method is safe for concurrent use.
func (mt *MultiTenantServicePrincipalToken) EnsureFreshWithContext(ctx context.Context) error {
if err := mt.PrimaryToken.EnsureFreshWithContext(ctx); err != nil {
return err
}
for _, aux := range mt.AuxiliaryTokens {
if err := aux.EnsureFreshWithContext(ctx); err != nil {
return err
}
}
return nil
}
// RefreshWithContext obtains a fresh token for the Service Principal.
func (mt *MultiTenantServicePrincipalToken) RefreshWithContext(ctx context.Context) error {
if err := mt.PrimaryToken.RefreshWithContext(ctx); err != nil {
return err
}
for _, aux := range mt.AuxiliaryTokens {
if err := aux.RefreshWithContext(ctx); err != nil {
return err
}
}
return nil
}
// RefreshExchangeWithContext refreshes the token, but for a different resource.
func (mt *MultiTenantServicePrincipalToken) RefreshExchangeWithContext(ctx context.Context, resource string) error {
if err := mt.PrimaryToken.RefreshExchangeWithContext(ctx, resource); err != nil {
return err
}
for _, aux := range mt.AuxiliaryTokens {
if err := aux.RefreshExchangeWithContext(ctx, resource); err != nil {
return err
}
}
return nil
}

@ -0,0 +1,45 @@
package adal
import (
"fmt"
"runtime"
)
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
const number = "v1.0.0"
var (
ua = fmt.Sprintf("Go/%s (%s-%s) go-autorest/adal/%s",
runtime.Version(),
runtime.GOARCH,
runtime.GOOS,
number,
)
)
// UserAgent returns a string containing the Go version, system architecture and OS, and the adal version.
func UserAgent() string {
return ua
}
// AddToUserAgent adds an extension to the current user agent
func AddToUserAgent(extension string) error {
if extension != "" {
ua = fmt.Sprintf("%s %s", ua, extension)
return nil
}
return fmt.Errorf("Extension was empty, User Agent remained as '%s'", ua)
}

@ -0,0 +1,353 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"crypto/tls"
"encoding/base64"
"fmt"
"net/http"
"net/url"
"strings"
"github.com/Azure/go-autorest/autorest/adal"
)
const (
bearerChallengeHeader = "Www-Authenticate"
bearer = "Bearer"
tenantID = "tenantID"
apiKeyAuthorizerHeader = "Ocp-Apim-Subscription-Key"
bingAPISdkHeader = "X-BingApis-SDK-Client"
golangBingAPISdkHeaderValue = "Go-SDK"
authorization = "Authorization"
basic = "Basic"
)
// Authorizer is the interface that provides a PrepareDecorator used to supply request
// authorization. Most often, the Authorizer decorator runs last so it has access to the full
// state of the formed HTTP request.
type Authorizer interface {
WithAuthorization() PrepareDecorator
}
// NullAuthorizer implements a default, "do nothing" Authorizer.
type NullAuthorizer struct{}
// WithAuthorization returns a PrepareDecorator that does nothing.
func (na NullAuthorizer) WithAuthorization() PrepareDecorator {
return WithNothing()
}
// APIKeyAuthorizer implements API Key authorization.
type APIKeyAuthorizer struct {
headers map[string]interface{}
queryParameters map[string]interface{}
}
// NewAPIKeyAuthorizerWithHeaders creates an ApiKeyAuthorizer with headers.
func NewAPIKeyAuthorizerWithHeaders(headers map[string]interface{}) *APIKeyAuthorizer {
return NewAPIKeyAuthorizer(headers, nil)
}
// NewAPIKeyAuthorizerWithQueryParameters creates an ApiKeyAuthorizer with query parameters.
func NewAPIKeyAuthorizerWithQueryParameters(queryParameters map[string]interface{}) *APIKeyAuthorizer {
return NewAPIKeyAuthorizer(nil, queryParameters)
}
// NewAPIKeyAuthorizer creates an ApiKeyAuthorizer with headers.
func NewAPIKeyAuthorizer(headers map[string]interface{}, queryParameters map[string]interface{}) *APIKeyAuthorizer {
return &APIKeyAuthorizer{headers: headers, queryParameters: queryParameters}
}
// WithAuthorization returns a PrepareDecorator that adds an HTTP headers and Query Parameters.
func (aka *APIKeyAuthorizer) WithAuthorization() PrepareDecorator {
return func(p Preparer) Preparer {
return DecoratePreparer(p, WithHeaders(aka.headers), WithQueryParameters(aka.queryParameters))
}
}
// CognitiveServicesAuthorizer implements authorization for Cognitive Services.
type CognitiveServicesAuthorizer struct {
subscriptionKey string
}
// NewCognitiveServicesAuthorizer is
func NewCognitiveServicesAuthorizer(subscriptionKey string) *CognitiveServicesAuthorizer {
return &CognitiveServicesAuthorizer{subscriptionKey: subscriptionKey}
}
// WithAuthorization is
func (csa *CognitiveServicesAuthorizer) WithAuthorization() PrepareDecorator {
headers := make(map[string]interface{})
headers[apiKeyAuthorizerHeader] = csa.subscriptionKey
headers[bingAPISdkHeader] = golangBingAPISdkHeaderValue
return NewAPIKeyAuthorizerWithHeaders(headers).WithAuthorization()
}
// BearerAuthorizer implements the bearer authorization
type BearerAuthorizer struct {
tokenProvider adal.OAuthTokenProvider
}
// NewBearerAuthorizer crates a BearerAuthorizer using the given token provider
func NewBearerAuthorizer(tp adal.OAuthTokenProvider) *BearerAuthorizer {
return &BearerAuthorizer{tokenProvider: tp}
}
// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
// value is "Bearer " followed by the token.
//
// By default, the token will be automatically refreshed through the Refresher interface.
func (ba *BearerAuthorizer) WithAuthorization() PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
// the ordering is important here, prefer RefresherWithContext if available
if refresher, ok := ba.tokenProvider.(adal.RefresherWithContext); ok {
err = refresher.EnsureFreshWithContext(r.Context())
} else if refresher, ok := ba.tokenProvider.(adal.Refresher); ok {
err = refresher.EnsureFresh()
}
if err != nil {
var resp *http.Response
if tokError, ok := err.(adal.TokenRefreshError); ok {
resp = tokError.Response()
}
return r, NewErrorWithError(err, "azure.BearerAuthorizer", "WithAuthorization", resp,
"Failed to refresh the Token for request to %s", r.URL)
}
return Prepare(r, WithHeader(headerAuthorization, fmt.Sprintf("Bearer %s", ba.tokenProvider.OAuthToken())))
}
return r, err
})
}
}
// TokenProvider returns OAuthTokenProvider so that it can be used for authorization outside the REST.
func (ba *BearerAuthorizer) TokenProvider() adal.OAuthTokenProvider {
return ba.tokenProvider
}
// BearerAuthorizerCallbackFunc is the authentication callback signature.
type BearerAuthorizerCallbackFunc func(tenantID, resource string) (*BearerAuthorizer, error)
// BearerAuthorizerCallback implements bearer authorization via a callback.
type BearerAuthorizerCallback struct {
sender Sender
callback BearerAuthorizerCallbackFunc
}
// NewBearerAuthorizerCallback creates a bearer authorization callback. The callback
// is invoked when the HTTP request is submitted.
func NewBearerAuthorizerCallback(s Sender, callback BearerAuthorizerCallbackFunc) *BearerAuthorizerCallback {
if s == nil {
s = sender(tls.RenegotiateNever)
}
return &BearerAuthorizerCallback{sender: s, callback: callback}
}
// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose value
// is "Bearer " followed by the token. The BearerAuthorizer is obtained via a user-supplied callback.
//
// By default, the token will be automatically refreshed through the Refresher interface.
func (bacb *BearerAuthorizerCallback) WithAuthorization() PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
// make a copy of the request and remove the body as it's not
// required and avoids us having to create a copy of it.
rCopy := *r
removeRequestBody(&rCopy)
resp, err := bacb.sender.Do(&rCopy)
if err != nil {
return r, err
}
DrainResponseBody(resp)
if resp.StatusCode == 401 && hasBearerChallenge(resp.Header) {
bc, err := newBearerChallenge(resp.Header)
if err != nil {
return r, err
}
if bacb.callback != nil {
ba, err := bacb.callback(bc.values[tenantID], bc.values["resource"])
if err != nil {
return r, err
}
return Prepare(r, ba.WithAuthorization())
}
}
}
return r, err
})
}
}
// returns true if the HTTP response contains a bearer challenge
func hasBearerChallenge(header http.Header) bool {
authHeader := header.Get(bearerChallengeHeader)
if len(authHeader) == 0 || strings.Index(authHeader, bearer) < 0 {
return false
}
return true
}
type bearerChallenge struct {
values map[string]string
}
func newBearerChallenge(header http.Header) (bc bearerChallenge, err error) {
challenge := strings.TrimSpace(header.Get(bearerChallengeHeader))
trimmedChallenge := challenge[len(bearer)+1:]
// challenge is a set of key=value pairs that are comma delimited
pairs := strings.Split(trimmedChallenge, ",")
if len(pairs) < 1 {
err = fmt.Errorf("challenge '%s' contains no pairs", challenge)
return bc, err
}
bc.values = make(map[string]string)
for i := range pairs {
trimmedPair := strings.TrimSpace(pairs[i])
pair := strings.Split(trimmedPair, "=")
if len(pair) == 2 {
// remove the enclosing quotes
key := strings.Trim(pair[0], "\"")
value := strings.Trim(pair[1], "\"")
switch key {
case "authorization", "authorization_uri":
// strip the tenant ID from the authorization URL
asURL, err := url.Parse(value)
if err != nil {
return bc, err
}
bc.values[tenantID] = asURL.Path[1:]
default:
bc.values[key] = value
}
}
}
return bc, err
}
// EventGridKeyAuthorizer implements authorization for event grid using key authentication.
type EventGridKeyAuthorizer struct {
topicKey string
}
// NewEventGridKeyAuthorizer creates a new EventGridKeyAuthorizer
// with the specified topic key.
func NewEventGridKeyAuthorizer(topicKey string) EventGridKeyAuthorizer {
return EventGridKeyAuthorizer{topicKey: topicKey}
}
// WithAuthorization returns a PrepareDecorator that adds the aeg-sas-key authentication header.
func (egta EventGridKeyAuthorizer) WithAuthorization() PrepareDecorator {
headers := map[string]interface{}{
"aeg-sas-key": egta.topicKey,
}
return NewAPIKeyAuthorizerWithHeaders(headers).WithAuthorization()
}
// BasicAuthorizer implements basic HTTP authorization by adding the Authorization HTTP header
// with the value "Basic <TOKEN>" where <TOKEN> is a base64-encoded username:password tuple.
type BasicAuthorizer struct {
userName string
password string
}
// NewBasicAuthorizer creates a new BasicAuthorizer with the specified username and password.
func NewBasicAuthorizer(userName, password string) *BasicAuthorizer {
return &BasicAuthorizer{
userName: userName,
password: password,
}
}
// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
// value is "Basic " followed by the base64-encoded username:password tuple.
func (ba *BasicAuthorizer) WithAuthorization() PrepareDecorator {
headers := make(map[string]interface{})
headers[authorization] = basic + " " + base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", ba.userName, ba.password)))
return NewAPIKeyAuthorizerWithHeaders(headers).WithAuthorization()
}
// MultiTenantServicePrincipalTokenAuthorizer provides authentication across tenants.
type MultiTenantServicePrincipalTokenAuthorizer interface {
WithAuthorization() PrepareDecorator
}
// NewMultiTenantServicePrincipalTokenAuthorizer crates a BearerAuthorizer using the given token provider
func NewMultiTenantServicePrincipalTokenAuthorizer(tp adal.MultitenantOAuthTokenProvider) MultiTenantServicePrincipalTokenAuthorizer {
return NewMultiTenantBearerAuthorizer(tp)
}
// MultiTenantBearerAuthorizer implements bearer authorization across multiple tenants.
type MultiTenantBearerAuthorizer struct {
tp adal.MultitenantOAuthTokenProvider
}
// NewMultiTenantBearerAuthorizer creates a MultiTenantBearerAuthorizer using the given token provider.
func NewMultiTenantBearerAuthorizer(tp adal.MultitenantOAuthTokenProvider) *MultiTenantBearerAuthorizer {
return &MultiTenantBearerAuthorizer{tp: tp}
}
// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header using the
// primary token along with the auxiliary authorization header using the auxiliary tokens.
//
// By default, the token will be automatically refreshed through the Refresher interface.
func (mt *MultiTenantBearerAuthorizer) WithAuthorization() PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err != nil {
return r, err
}
if refresher, ok := mt.tp.(adal.RefresherWithContext); ok {
err = refresher.EnsureFreshWithContext(r.Context())
if err != nil {
var resp *http.Response
if tokError, ok := err.(adal.TokenRefreshError); ok {
resp = tokError.Response()
}
return r, NewErrorWithError(err, "azure.multiTenantSPTAuthorizer", "WithAuthorization", resp,
"Failed to refresh one or more Tokens for request to %s", r.URL)
}
}
r, err = Prepare(r, WithHeader(headerAuthorization, fmt.Sprintf("Bearer %s", mt.tp.PrimaryOAuthToken())))
if err != nil {
return r, err
}
auxTokens := mt.tp.AuxiliaryOAuthTokens()
for i := range auxTokens {
auxTokens[i] = fmt.Sprintf("Bearer %s", auxTokens[i])
}
return Prepare(r, WithHeader(headerAuxAuthorization, strings.Join(auxTokens, ", ")))
})
}
}
// TokenProvider returns the underlying MultitenantOAuthTokenProvider for this authorizer.
func (mt *MultiTenantBearerAuthorizer) TokenProvider() adal.MultitenantOAuthTokenProvider {
return mt.tp
}

@ -0,0 +1,66 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"fmt"
"net/http"
"strings"
)
// SASTokenAuthorizer implements an authorization for SAS Token Authentication
// this can be used for interaction with Blob Storage Endpoints
type SASTokenAuthorizer struct {
sasToken string
}
// NewSASTokenAuthorizer creates a SASTokenAuthorizer using the given credentials
func NewSASTokenAuthorizer(sasToken string) (*SASTokenAuthorizer, error) {
if strings.TrimSpace(sasToken) == "" {
return nil, fmt.Errorf("sasToken cannot be empty")
}
token := sasToken
if strings.HasPrefix(sasToken, "?") {
token = strings.TrimPrefix(sasToken, "?")
}
return &SASTokenAuthorizer{
sasToken: token,
}, nil
}
// WithAuthorization returns a PrepareDecorator that adds a shared access signature token to the
// URI's query parameters. This can be used for the Blob, Queue, and File Services.
//
// See https://docs.microsoft.com/en-us/rest/api/storageservices/delegate-access-with-shared-access-signature
func (sas *SASTokenAuthorizer) WithAuthorization() PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err != nil {
return r, err
}
if r.URL.RawQuery == "" {
r.URL.RawQuery = sas.sasToken
} else if !strings.Contains(r.URL.RawQuery, sas.sasToken) {
r.URL.RawQuery = fmt.Sprintf("%s&%s", r.URL.RawQuery, sas.sasToken)
}
return Prepare(r)
})
}
}

@ -0,0 +1,307 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"fmt"
"net/http"
"net/url"
"sort"
"strings"
"time"
)
// SharedKeyType defines the enumeration for the various shared key types.
// See https://docs.microsoft.com/en-us/rest/api/storageservices/authorize-with-shared-key for details on the shared key types.
type SharedKeyType string
const (
// SharedKey is used to authorize against blobs, files and queues services.
SharedKey SharedKeyType = "sharedKey"
// SharedKeyForTable is used to authorize against the table service.
SharedKeyForTable SharedKeyType = "sharedKeyTable"
// SharedKeyLite is used to authorize against blobs, files and queues services. It's provided for
// backwards compatibility with API versions before 2009-09-19. Prefer SharedKey instead.
SharedKeyLite SharedKeyType = "sharedKeyLite"
// SharedKeyLiteForTable is used to authorize against the table service. It's provided for
// backwards compatibility with older table API versions. Prefer SharedKeyForTable instead.
SharedKeyLiteForTable SharedKeyType = "sharedKeyLiteTable"
)
const (
headerAccept = "Accept"
headerAcceptCharset = "Accept-Charset"
headerContentEncoding = "Content-Encoding"
headerContentLength = "Content-Length"
headerContentMD5 = "Content-MD5"
headerContentLanguage = "Content-Language"
headerIfModifiedSince = "If-Modified-Since"
headerIfMatch = "If-Match"
headerIfNoneMatch = "If-None-Match"
headerIfUnmodifiedSince = "If-Unmodified-Since"
headerDate = "Date"
headerXMSDate = "X-Ms-Date"
headerXMSVersion = "x-ms-version"
headerRange = "Range"
)
const storageEmulatorAccountName = "devstoreaccount1"
// SharedKeyAuthorizer implements an authorization for Shared Key
// this can be used for interaction with Blob, File and Queue Storage Endpoints
type SharedKeyAuthorizer struct {
accountName string
accountKey []byte
keyType SharedKeyType
}
// NewSharedKeyAuthorizer creates a SharedKeyAuthorizer using the provided credentials and shared key type.
func NewSharedKeyAuthorizer(accountName, accountKey string, keyType SharedKeyType) (*SharedKeyAuthorizer, error) {
key, err := base64.StdEncoding.DecodeString(accountKey)
if err != nil {
return nil, fmt.Errorf("malformed storage account key: %v", err)
}
return &SharedKeyAuthorizer{
accountName: accountName,
accountKey: key,
keyType: keyType,
}, nil
}
// WithAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
// value is "<SharedKeyType> " followed by the computed key.
// This can be used for the Blob, Queue, and File Services
//
// from: https://docs.microsoft.com/en-us/rest/api/storageservices/authorize-with-shared-key
// You may use Shared Key authorization to authorize a request made against the
// 2009-09-19 version and later of the Blob and Queue services,
// and version 2014-02-14 and later of the File services.
func (sk *SharedKeyAuthorizer) WithAuthorization() PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err != nil {
return r, err
}
sk, err := buildSharedKey(sk.accountName, sk.accountKey, r, sk.keyType)
if err != nil {
return r, err
}
return Prepare(r, WithHeader(headerAuthorization, sk))
})
}
}
func buildSharedKey(accName string, accKey []byte, req *http.Request, keyType SharedKeyType) (string, error) {
canRes, err := buildCanonicalizedResource(accName, req.URL.String(), keyType)
if err != nil {
return "", err
}
if req.Header == nil {
req.Header = http.Header{}
}
// ensure date is set
if req.Header.Get(headerDate) == "" && req.Header.Get(headerXMSDate) == "" {
date := time.Now().UTC().Format(http.TimeFormat)
req.Header.Set(headerXMSDate, date)
}
canString, err := buildCanonicalizedString(req.Method, req.Header, canRes, keyType)
if err != nil {
return "", err
}
return createAuthorizationHeader(accName, accKey, canString, keyType), nil
}
func buildCanonicalizedResource(accountName, uri string, keyType SharedKeyType) (string, error) {
errMsg := "buildCanonicalizedResource error: %s"
u, err := url.Parse(uri)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
cr := bytes.NewBufferString("")
if accountName != storageEmulatorAccountName {
cr.WriteString("/")
cr.WriteString(getCanonicalizedAccountName(accountName))
}
if len(u.Path) > 0 {
// Any portion of the CanonicalizedResource string that is derived from
// the resource's URI should be encoded exactly as it is in the URI.
// -- https://msdn.microsoft.com/en-gb/library/azure/dd179428.aspx
cr.WriteString(u.EscapedPath())
} else {
// a slash is required to indicate the root path
cr.WriteString("/")
}
params, err := url.ParseQuery(u.RawQuery)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
// See https://github.com/Azure/azure-storage-net/blob/master/Lib/Common/Core/Util/AuthenticationUtility.cs#L277
if keyType == SharedKey {
if len(params) > 0 {
cr.WriteString("\n")
keys := []string{}
for key := range params {
keys = append(keys, key)
}
sort.Strings(keys)
completeParams := []string{}
for _, key := range keys {
if len(params[key]) > 1 {
sort.Strings(params[key])
}
completeParams = append(completeParams, fmt.Sprintf("%s:%s", key, strings.Join(params[key], ",")))
}
cr.WriteString(strings.Join(completeParams, "\n"))
}
} else {
// search for "comp" parameter, if exists then add it to canonicalizedresource
if v, ok := params["comp"]; ok {
cr.WriteString("?comp=" + v[0])
}
}
return string(cr.Bytes()), nil
}
func getCanonicalizedAccountName(accountName string) string {
// since we may be trying to access a secondary storage account, we need to
// remove the -secondary part of the storage name
return strings.TrimSuffix(accountName, "-secondary")
}
func buildCanonicalizedString(verb string, headers http.Header, canonicalizedResource string, keyType SharedKeyType) (string, error) {
contentLength := headers.Get(headerContentLength)
if contentLength == "0" {
contentLength = ""
}
date := headers.Get(headerDate)
if v := headers.Get(headerXMSDate); v != "" {
if keyType == SharedKey || keyType == SharedKeyLite {
date = ""
} else {
date = v
}
}
var canString string
switch keyType {
case SharedKey:
canString = strings.Join([]string{
verb,
headers.Get(headerContentEncoding),
headers.Get(headerContentLanguage),
contentLength,
headers.Get(headerContentMD5),
headers.Get(headerContentType),
date,
headers.Get(headerIfModifiedSince),
headers.Get(headerIfMatch),
headers.Get(headerIfNoneMatch),
headers.Get(headerIfUnmodifiedSince),
headers.Get(headerRange),
buildCanonicalizedHeader(headers),
canonicalizedResource,
}, "\n")
case SharedKeyForTable:
canString = strings.Join([]string{
verb,
headers.Get(headerContentMD5),
headers.Get(headerContentType),
date,
canonicalizedResource,
}, "\n")
case SharedKeyLite:
canString = strings.Join([]string{
verb,
headers.Get(headerContentMD5),
headers.Get(headerContentType),
date,
buildCanonicalizedHeader(headers),
canonicalizedResource,
}, "\n")
case SharedKeyLiteForTable:
canString = strings.Join([]string{
date,
canonicalizedResource,
}, "\n")
default:
return "", fmt.Errorf("key type '%s' is not supported", keyType)
}
return canString, nil
}
func buildCanonicalizedHeader(headers http.Header) string {
cm := make(map[string]string)
for k := range headers {
headerName := strings.TrimSpace(strings.ToLower(k))
if strings.HasPrefix(headerName, "x-ms-") {
cm[headerName] = headers.Get(k)
}
}
if len(cm) == 0 {
return ""
}
keys := []string{}
for key := range cm {
keys = append(keys, key)
}
sort.Strings(keys)
ch := bytes.NewBufferString("")
for _, key := range keys {
ch.WriteString(key)
ch.WriteRune(':')
ch.WriteString(cm[key])
ch.WriteRune('\n')
}
return strings.TrimSuffix(string(ch.Bytes()), "\n")
}
func createAuthorizationHeader(accountName string, accountKey []byte, canonicalizedString string, keyType SharedKeyType) string {
h := hmac.New(sha256.New, accountKey)
h.Write([]byte(canonicalizedString))
signature := base64.StdEncoding.EncodeToString(h.Sum(nil))
var key string
switch keyType {
case SharedKey, SharedKeyForTable:
key = "SharedKey"
case SharedKeyLite, SharedKeyLiteForTable:
key = "SharedKeyLite"
}
return fmt.Sprintf("%s %s:%s", key, getCanonicalizedAccountName(accountName), signature)
}

@ -0,0 +1,150 @@
/*
Package autorest implements an HTTP request pipeline suitable for use across multiple go-routines
and provides the shared routines relied on by AutoRest (see https://github.com/Azure/autorest/)
generated Go code.
The package breaks sending and responding to HTTP requests into three phases: Preparing, Sending,
and Responding. A typical pattern is:
req, err := Prepare(&http.Request{},
token.WithAuthorization())
resp, err := Send(req,
WithLogging(logger),
DoErrorIfStatusCode(http.StatusInternalServerError),
DoCloseIfError(),
DoRetryForAttempts(5, time.Second))
err = Respond(resp,
ByDiscardingBody(),
ByClosing())
Each phase relies on decorators to modify and / or manage processing. Decorators may first modify
and then pass the data along, pass the data first and then modify the result, or wrap themselves
around passing the data (such as a logger might do). Decorators run in the order provided. For
example, the following:
req, err := Prepare(&http.Request{},
WithBaseURL("https://microsoft.com/"),
WithPath("a"),
WithPath("b"),
WithPath("c"))
will set the URL to:
https://microsoft.com/a/b/c
Preparers and Responders may be shared and re-used (assuming the underlying decorators support
sharing and re-use). Performant use is obtained by creating one or more Preparers and Responders
shared among multiple go-routines, and a single Sender shared among multiple sending go-routines,
all bound together by means of input / output channels.
Decorators hold their passed state within a closure (such as the path components in the example
above). Be careful to share Preparers and Responders only in a context where such held state
applies. For example, it may not make sense to share a Preparer that applies a query string from a
fixed set of values. Similarly, sharing a Responder that reads the response body into a passed
struct (e.g., ByUnmarshallingJson) is likely incorrect.
Lastly, the Swagger specification (https://swagger.io) that drives AutoRest
(https://github.com/Azure/autorest/) precisely defines two date forms: date and date-time. The
github.com/Azure/go-autorest/autorest/date package provides time.Time derivations to ensure
correct parsing and formatting.
Errors raised by autorest objects and methods will conform to the autorest.Error interface.
See the included examples for more detail. For details on the suggested use of this package by
generated clients, see the Client described below.
*/
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"context"
"net/http"
"time"
)
const (
// HeaderLocation specifies the HTTP Location header.
HeaderLocation = "Location"
// HeaderRetryAfter specifies the HTTP Retry-After header.
HeaderRetryAfter = "Retry-After"
)
// ResponseHasStatusCode returns true if the status code in the HTTP Response is in the passed set
// and false otherwise.
func ResponseHasStatusCode(resp *http.Response, codes ...int) bool {
if resp == nil {
return false
}
return containsInt(codes, resp.StatusCode)
}
// GetLocation retrieves the URL from the Location header of the passed response.
func GetLocation(resp *http.Response) string {
return resp.Header.Get(HeaderLocation)
}
// GetRetryAfter extracts the retry delay from the Retry-After header of the passed response. If
// the header is absent or is malformed, it will return the supplied default delay time.Duration.
func GetRetryAfter(resp *http.Response, defaultDelay time.Duration) time.Duration {
retry := resp.Header.Get(HeaderRetryAfter)
if retry == "" {
return defaultDelay
}
d, err := time.ParseDuration(retry + "s")
if err != nil {
return defaultDelay
}
return d
}
// NewPollingRequest allocates and returns a new http.Request to poll for the passed response.
func NewPollingRequest(resp *http.Response, cancel <-chan struct{}) (*http.Request, error) {
location := GetLocation(resp)
if location == "" {
return nil, NewErrorWithResponse("autorest", "NewPollingRequest", resp, "Location header missing from response that requires polling")
}
req, err := Prepare(&http.Request{Cancel: cancel},
AsGet(),
WithBaseURL(location))
if err != nil {
return nil, NewErrorWithError(err, "autorest", "NewPollingRequest", nil, "Failure creating poll request to %s", location)
}
return req, nil
}
// NewPollingRequestWithContext allocates and returns a new http.Request with the specified context to poll for the passed response.
func NewPollingRequestWithContext(ctx context.Context, resp *http.Response) (*http.Request, error) {
location := GetLocation(resp)
if location == "" {
return nil, NewErrorWithResponse("autorest", "NewPollingRequestWithContext", resp, "Location header missing from response that requires polling")
}
req, err := Prepare((&http.Request{}).WithContext(ctx),
AsGet(),
WithBaseURL(location))
if err != nil {
return nil, NewErrorWithError(err, "autorest", "NewPollingRequestWithContext", nil, "Failure creating poll request to %s", location)
}
return req, nil
}

@ -0,0 +1,995 @@
package azure
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"time"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/logger"
"github.com/Azure/go-autorest/tracing"
)
const (
headerAsyncOperation = "Azure-AsyncOperation"
)
const (
operationInProgress string = "InProgress"
operationCanceled string = "Canceled"
operationFailed string = "Failed"
operationSucceeded string = "Succeeded"
)
var pollingCodes = [...]int{http.StatusNoContent, http.StatusAccepted, http.StatusCreated, http.StatusOK}
// FutureAPI contains the set of methods on the Future type.
type FutureAPI interface {
// Response returns the last HTTP response.
Response() *http.Response
// Status returns the last status message of the operation.
Status() string
// PollingMethod returns the method used to monitor the status of the asynchronous operation.
PollingMethod() PollingMethodType
// DoneWithContext queries the service to see if the operation has completed.
DoneWithContext(context.Context, autorest.Sender) (bool, error)
// GetPollingDelay returns a duration the application should wait before checking
// the status of the asynchronous request and true; this value is returned from
// the service via the Retry-After response header. If the header wasn't returned
// then the function returns the zero-value time.Duration and false.
GetPollingDelay() (time.Duration, bool)
// WaitForCompletionRef will return when one of the following conditions is met: the long
// running operation has completed, the provided context is cancelled, or the client's
// polling duration has been exceeded. It will retry failed polling attempts based on
// the retry value defined in the client up to the maximum retry attempts.
// If no deadline is specified in the context then the client.PollingDuration will be
// used to determine if a default deadline should be used.
// If PollingDuration is greater than zero the value will be used as the context's timeout.
// If PollingDuration is zero then no default deadline will be used.
WaitForCompletionRef(context.Context, autorest.Client) error
// MarshalJSON implements the json.Marshaler interface.
MarshalJSON() ([]byte, error)
// MarshalJSON implements the json.Unmarshaler interface.
UnmarshalJSON([]byte) error
// PollingURL returns the URL used for retrieving the status of the long-running operation.
PollingURL() string
// GetResult should be called once polling has completed successfully.
// It makes the final GET call to retrieve the resultant payload.
GetResult(autorest.Sender) (*http.Response, error)
}
var _ FutureAPI = (*Future)(nil)
// Future provides a mechanism to access the status and results of an asynchronous request.
// Since futures are stateful they should be passed by value to avoid race conditions.
type Future struct {
pt pollingTracker
}
// NewFutureFromResponse returns a new Future object initialized
// with the initial response from an asynchronous operation.
func NewFutureFromResponse(resp *http.Response) (Future, error) {
pt, err := createPollingTracker(resp)
return Future{pt: pt}, err
}
// Response returns the last HTTP response.
func (f Future) Response() *http.Response {
if f.pt == nil {
return nil
}
return f.pt.latestResponse()
}
// Status returns the last status message of the operation.
func (f Future) Status() string {
if f.pt == nil {
return ""
}
return f.pt.pollingStatus()
}
// PollingMethod returns the method used to monitor the status of the asynchronous operation.
func (f Future) PollingMethod() PollingMethodType {
if f.pt == nil {
return PollingUnknown
}
return f.pt.pollingMethod()
}
// DoneWithContext queries the service to see if the operation has completed.
func (f *Future) DoneWithContext(ctx context.Context, sender autorest.Sender) (done bool, err error) {
ctx = tracing.StartSpan(ctx, "github.com/Azure/go-autorest/autorest/azure/async.DoneWithContext")
defer func() {
sc := -1
resp := f.Response()
if resp != nil {
sc = resp.StatusCode
}
tracing.EndSpan(ctx, sc, err)
}()
if f.pt == nil {
return false, autorest.NewError("Future", "Done", "future is not initialized")
}
if f.pt.hasTerminated() {
return true, f.pt.pollingError()
}
if err := f.pt.pollForStatus(ctx, sender); err != nil {
return false, err
}
if err := f.pt.checkForErrors(); err != nil {
return f.pt.hasTerminated(), err
}
if err := f.pt.updatePollingState(f.pt.provisioningStateApplicable()); err != nil {
return false, err
}
if err := f.pt.initPollingMethod(); err != nil {
return false, err
}
if err := f.pt.updatePollingMethod(); err != nil {
return false, err
}
return f.pt.hasTerminated(), f.pt.pollingError()
}
// GetPollingDelay returns a duration the application should wait before checking
// the status of the asynchronous request and true; this value is returned from
// the service via the Retry-After response header. If the header wasn't returned
// then the function returns the zero-value time.Duration and false.
func (f Future) GetPollingDelay() (time.Duration, bool) {
if f.pt == nil {
return 0, false
}
resp := f.pt.latestResponse()
if resp == nil {
return 0, false
}
retry := resp.Header.Get(autorest.HeaderRetryAfter)
if retry == "" {
return 0, false
}
d, err := time.ParseDuration(retry + "s")
if err != nil {
panic(err)
}
return d, true
}
// WaitForCompletionRef will return when one of the following conditions is met: the long
// running operation has completed, the provided context is cancelled, or the client's
// polling duration has been exceeded. It will retry failed polling attempts based on
// the retry value defined in the client up to the maximum retry attempts.
// If no deadline is specified in the context then the client.PollingDuration will be
// used to determine if a default deadline should be used.
// If PollingDuration is greater than zero the value will be used as the context's timeout.
// If PollingDuration is zero then no default deadline will be used.
func (f *Future) WaitForCompletionRef(ctx context.Context, client autorest.Client) (err error) {
ctx = tracing.StartSpan(ctx, "github.com/Azure/go-autorest/autorest/azure/async.WaitForCompletionRef")
defer func() {
sc := -1
resp := f.Response()
if resp != nil {
sc = resp.StatusCode
}
tracing.EndSpan(ctx, sc, err)
}()
cancelCtx := ctx
// if the provided context already has a deadline don't override it
_, hasDeadline := ctx.Deadline()
if d := client.PollingDuration; !hasDeadline && d != 0 {
var cancel context.CancelFunc
cancelCtx, cancel = context.WithTimeout(ctx, d)
defer cancel()
}
// if the initial response has a Retry-After, sleep for the specified amount of time before starting to poll
if delay, ok := f.GetPollingDelay(); ok {
logger.Instance.Writeln(logger.LogInfo, "WaitForCompletionRef: initial polling delay")
if delayElapsed := autorest.DelayForBackoff(delay, 0, cancelCtx.Done()); !delayElapsed {
err = cancelCtx.Err()
return
}
}
done, err := f.DoneWithContext(ctx, client)
for attempts := 0; !done; done, err = f.DoneWithContext(ctx, client) {
if attempts >= client.RetryAttempts {
return autorest.NewErrorWithError(err, "Future", "WaitForCompletion", f.pt.latestResponse(), "the number of retries has been exceeded")
}
// we want delayAttempt to be zero in the non-error case so
// that DelayForBackoff doesn't perform exponential back-off
var delayAttempt int
var delay time.Duration
if err == nil {
// check for Retry-After delay, if not present use the client's polling delay
var ok bool
delay, ok = f.GetPollingDelay()
if !ok {
logger.Instance.Writeln(logger.LogInfo, "WaitForCompletionRef: Using client polling delay")
delay = client.PollingDelay
}
} else {
// there was an error polling for status so perform exponential
// back-off based on the number of attempts using the client's retry
// duration. update attempts after delayAttempt to avoid off-by-one.
logger.Instance.Writef(logger.LogError, "WaitForCompletionRef: %s\n", err)
delayAttempt = attempts
delay = client.RetryDuration
attempts++
}
// wait until the delay elapses or the context is cancelled
delayElapsed := autorest.DelayForBackoff(delay, delayAttempt, cancelCtx.Done())
if !delayElapsed {
return autorest.NewErrorWithError(cancelCtx.Err(), "Future", "WaitForCompletion", f.pt.latestResponse(), "context has been cancelled")
}
}
return
}
// MarshalJSON implements the json.Marshaler interface.
func (f Future) MarshalJSON() ([]byte, error) {
return json.Marshal(f.pt)
}
// UnmarshalJSON implements the json.Unmarshaler interface.
func (f *Future) UnmarshalJSON(data []byte) error {
// unmarshal into JSON object to determine the tracker type
obj := map[string]interface{}{}
err := json.Unmarshal(data, &obj)
if err != nil {
return err
}
if obj["method"] == nil {
return autorest.NewError("Future", "UnmarshalJSON", "missing 'method' property")
}
method := obj["method"].(string)
switch strings.ToUpper(method) {
case http.MethodDelete:
f.pt = &pollingTrackerDelete{}
case http.MethodPatch:
f.pt = &pollingTrackerPatch{}
case http.MethodPost:
f.pt = &pollingTrackerPost{}
case http.MethodPut:
f.pt = &pollingTrackerPut{}
default:
return autorest.NewError("Future", "UnmarshalJSON", "unsupoorted method '%s'", method)
}
// now unmarshal into the tracker
return json.Unmarshal(data, &f.pt)
}
// PollingURL returns the URL used for retrieving the status of the long-running operation.
func (f Future) PollingURL() string {
if f.pt == nil {
return ""
}
return f.pt.pollingURL()
}
// GetResult should be called once polling has completed successfully.
// It makes the final GET call to retrieve the resultant payload.
func (f Future) GetResult(sender autorest.Sender) (*http.Response, error) {
if f.pt.finalGetURL() == "" {
// we can end up in this situation if the async operation returns a 200
// with no polling URLs. in that case return the response which should
// contain the JSON payload (only do this for successful terminal cases).
if lr := f.pt.latestResponse(); lr != nil && f.pt.hasSucceeded() {
return lr, nil
}
return nil, autorest.NewError("Future", "GetResult", "missing URL for retrieving result")
}
req, err := http.NewRequest(http.MethodGet, f.pt.finalGetURL(), nil)
if err != nil {
return nil, err
}
resp, err := sender.Do(req)
if err == nil && resp.Body != nil {
// copy the body and close it so callers don't have to
defer resp.Body.Close()
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return resp, err
}
resp.Body = ioutil.NopCloser(bytes.NewReader(b))
}
return resp, err
}
type pollingTracker interface {
// these methods can differ per tracker
// checks the response headers and status code to determine the polling mechanism
updatePollingMethod() error
// checks the response for tracker-specific error conditions
checkForErrors() error
// returns true if provisioning state should be checked
provisioningStateApplicable() bool
// methods common to all trackers
// initializes a tracker's polling URL and method, called for each iteration.
// these values can be overridden by each polling tracker as required.
initPollingMethod() error
// initializes the tracker's internal state, call this when the tracker is created
initializeState() error
// makes an HTTP request to check the status of the LRO
pollForStatus(ctx context.Context, sender autorest.Sender) error
// updates internal tracker state, call this after each call to pollForStatus
updatePollingState(provStateApl bool) error
// returns the error response from the service, can be nil
pollingError() error
// returns the polling method being used
pollingMethod() PollingMethodType
// returns the state of the LRO as returned from the service
pollingStatus() string
// returns the URL used for polling status
pollingURL() string
// returns the URL used for the final GET to retrieve the resource
finalGetURL() string
// returns true if the LRO is in a terminal state
hasTerminated() bool
// returns true if the LRO is in a failed terminal state
hasFailed() bool
// returns true if the LRO is in a successful terminal state
hasSucceeded() bool
// returns the cached HTTP response after a call to pollForStatus(), can be nil
latestResponse() *http.Response
}
type pollingTrackerBase struct {
// resp is the last response, either from the submission of the LRO or from polling
resp *http.Response
// method is the HTTP verb, this is needed for deserialization
Method string `json:"method"`
// rawBody is the raw JSON response body
rawBody map[string]interface{}
// denotes if polling is using async-operation or location header
Pm PollingMethodType `json:"pollingMethod"`
// the URL to poll for status
URI string `json:"pollingURI"`
// the state of the LRO as returned from the service
State string `json:"lroState"`
// the URL to GET for the final result
FinalGetURI string `json:"resultURI"`
// used to hold an error object returned from the service
Err *ServiceError `json:"error,omitempty"`
}
func (pt *pollingTrackerBase) initializeState() error {
// determine the initial polling state based on response body and/or HTTP status
// code. this is applicable to the initial LRO response, not polling responses!
pt.Method = pt.resp.Request.Method
if err := pt.updateRawBody(); err != nil {
return err
}
switch pt.resp.StatusCode {
case http.StatusOK:
if ps := pt.getProvisioningState(); ps != nil {
pt.State = *ps
if pt.hasFailed() {
pt.updateErrorFromResponse()
return pt.pollingError()
}
} else {
pt.State = operationSucceeded
}
case http.StatusCreated:
if ps := pt.getProvisioningState(); ps != nil {
pt.State = *ps
} else {
pt.State = operationInProgress
}
case http.StatusAccepted:
pt.State = operationInProgress
case http.StatusNoContent:
pt.State = operationSucceeded
default:
pt.State = operationFailed
pt.updateErrorFromResponse()
return pt.pollingError()
}
return pt.initPollingMethod()
}
func (pt pollingTrackerBase) getProvisioningState() *string {
if pt.rawBody != nil && pt.rawBody["properties"] != nil {
p := pt.rawBody["properties"].(map[string]interface{})
if ps := p["provisioningState"]; ps != nil {
s := ps.(string)
return &s
}
}
return nil
}
func (pt *pollingTrackerBase) updateRawBody() error {
pt.rawBody = map[string]interface{}{}
if pt.resp.ContentLength != 0 {
defer pt.resp.Body.Close()
b, err := ioutil.ReadAll(pt.resp.Body)
if err != nil {
return autorest.NewErrorWithError(err, "pollingTrackerBase", "updateRawBody", nil, "failed to read response body")
}
// put the body back so it's available to other callers
pt.resp.Body = ioutil.NopCloser(bytes.NewReader(b))
// observed in 204 responses over HTTP/2.0; the content length is -1 but body is empty
if len(b) == 0 {
return nil
}
if err = json.Unmarshal(b, &pt.rawBody); err != nil {
return autorest.NewErrorWithError(err, "pollingTrackerBase", "updateRawBody", nil, "failed to unmarshal response body")
}
}
return nil
}
func (pt *pollingTrackerBase) pollForStatus(ctx context.Context, sender autorest.Sender) error {
req, err := http.NewRequest(http.MethodGet, pt.URI, nil)
if err != nil {
return autorest.NewErrorWithError(err, "pollingTrackerBase", "pollForStatus", nil, "failed to create HTTP request")
}
req = req.WithContext(ctx)
preparer := autorest.CreatePreparer(autorest.GetPrepareDecorators(ctx)...)
req, err = preparer.Prepare(req)
if err != nil {
return autorest.NewErrorWithError(err, "pollingTrackerBase", "pollForStatus", nil, "failed preparing HTTP request")
}
pt.resp, err = sender.Do(req)
if err != nil {
return autorest.NewErrorWithError(err, "pollingTrackerBase", "pollForStatus", nil, "failed to send HTTP request")
}
if autorest.ResponseHasStatusCode(pt.resp, pollingCodes[:]...) {
// reset the service error on success case
pt.Err = nil
err = pt.updateRawBody()
} else {
// check response body for error content
pt.updateErrorFromResponse()
err = pt.pollingError()
}
return err
}
// attempts to unmarshal a ServiceError type from the response body.
// if that fails then make a best attempt at creating something meaningful.
// NOTE: this assumes that the async operation has failed.
func (pt *pollingTrackerBase) updateErrorFromResponse() {
var err error
if pt.resp.ContentLength != 0 {
type respErr struct {
ServiceError *ServiceError `json:"error"`
}
re := respErr{}
defer pt.resp.Body.Close()
var b []byte
if b, err = ioutil.ReadAll(pt.resp.Body); err != nil {
goto Default
}
// put the body back so it's available to other callers
pt.resp.Body = ioutil.NopCloser(bytes.NewReader(b))
if len(b) == 0 {
goto Default
}
if err = json.Unmarshal(b, &re); err != nil {
goto Default
}
// unmarshalling the error didn't yield anything, try unwrapped error
if re.ServiceError == nil {
err = json.Unmarshal(b, &re.ServiceError)
if err != nil {
goto Default
}
}
// the unmarshaller will ensure re.ServiceError is non-nil
// even if there was no content unmarshalled so check the code.
if re.ServiceError.Code != "" {
pt.Err = re.ServiceError
return
}
}
Default:
se := &ServiceError{
Code: pt.pollingStatus(),
Message: "The async operation failed.",
}
if err != nil {
se.InnerError = make(map[string]interface{})
se.InnerError["unmarshalError"] = err.Error()
}
// stick the response body into the error object in hopes
// it contains something useful to help diagnose the failure.
if len(pt.rawBody) > 0 {
se.AdditionalInfo = []map[string]interface{}{
pt.rawBody,
}
}
pt.Err = se
}
func (pt *pollingTrackerBase) updatePollingState(provStateApl bool) error {
if pt.Pm == PollingAsyncOperation && pt.rawBody["status"] != nil {
pt.State = pt.rawBody["status"].(string)
} else {
if pt.resp.StatusCode == http.StatusAccepted {
pt.State = operationInProgress
} else if provStateApl {
if ps := pt.getProvisioningState(); ps != nil {
pt.State = *ps
} else {
pt.State = operationSucceeded
}
} else {
return autorest.NewError("pollingTrackerBase", "updatePollingState", "the response from the async operation has an invalid status code")
}
}
// if the operation has failed update the error state
if pt.hasFailed() {
pt.updateErrorFromResponse()
}
return nil
}
func (pt pollingTrackerBase) pollingError() error {
if pt.Err == nil {
return nil
}
return pt.Err
}
func (pt pollingTrackerBase) pollingMethod() PollingMethodType {
return pt.Pm
}
func (pt pollingTrackerBase) pollingStatus() string {
return pt.State
}
func (pt pollingTrackerBase) pollingURL() string {
return pt.URI
}
func (pt pollingTrackerBase) finalGetURL() string {
return pt.FinalGetURI
}
func (pt pollingTrackerBase) hasTerminated() bool {
return strings.EqualFold(pt.State, operationCanceled) || strings.EqualFold(pt.State, operationFailed) || strings.EqualFold(pt.State, operationSucceeded)
}
func (pt pollingTrackerBase) hasFailed() bool {
return strings.EqualFold(pt.State, operationCanceled) || strings.EqualFold(pt.State, operationFailed)
}
func (pt pollingTrackerBase) hasSucceeded() bool {
return strings.EqualFold(pt.State, operationSucceeded)
}
func (pt pollingTrackerBase) latestResponse() *http.Response {
return pt.resp
}
// error checking common to all trackers
func (pt pollingTrackerBase) baseCheckForErrors() error {
// for Azure-AsyncOperations the response body cannot be nil or empty
if pt.Pm == PollingAsyncOperation {
if pt.resp.Body == nil || pt.resp.ContentLength == 0 {
return autorest.NewError("pollingTrackerBase", "baseCheckForErrors", "for Azure-AsyncOperation response body cannot be nil")
}
if pt.rawBody["status"] == nil {
return autorest.NewError("pollingTrackerBase", "baseCheckForErrors", "missing status property in Azure-AsyncOperation response body")
}
}
return nil
}
// default initialization of polling URL/method. each verb tracker will update this as required.
func (pt *pollingTrackerBase) initPollingMethod() error {
if ao, err := getURLFromAsyncOpHeader(pt.resp); err != nil {
return err
} else if ao != "" {
pt.URI = ao
pt.Pm = PollingAsyncOperation
return nil
}
if lh, err := getURLFromLocationHeader(pt.resp); err != nil {
return err
} else if lh != "" {
pt.URI = lh
pt.Pm = PollingLocation
return nil
}
// it's ok if we didn't find a polling header, this will be handled elsewhere
return nil
}
// DELETE
type pollingTrackerDelete struct {
pollingTrackerBase
}
func (pt *pollingTrackerDelete) updatePollingMethod() error {
// for 201 the Location header is required
if pt.resp.StatusCode == http.StatusCreated {
if lh, err := getURLFromLocationHeader(pt.resp); err != nil {
return err
} else if lh == "" {
return autorest.NewError("pollingTrackerDelete", "updateHeaders", "missing Location header in 201 response")
} else {
pt.URI = lh
}
pt.Pm = PollingLocation
pt.FinalGetURI = pt.URI
}
// for 202 prefer the Azure-AsyncOperation header but fall back to Location if necessary
if pt.resp.StatusCode == http.StatusAccepted {
ao, err := getURLFromAsyncOpHeader(pt.resp)
if err != nil {
return err
} else if ao != "" {
pt.URI = ao
pt.Pm = PollingAsyncOperation
}
// if the Location header is invalid and we already have a polling URL
// then we don't care if the Location header URL is malformed.
if lh, err := getURLFromLocationHeader(pt.resp); err != nil && pt.URI == "" {
return err
} else if lh != "" {
if ao == "" {
pt.URI = lh
pt.Pm = PollingLocation
}
// when both headers are returned we use the value in the Location header for the final GET
pt.FinalGetURI = lh
}
// make sure a polling URL was found
if pt.URI == "" {
return autorest.NewError("pollingTrackerPost", "updateHeaders", "didn't get any suitable polling URLs in 202 response")
}
}
return nil
}
func (pt pollingTrackerDelete) checkForErrors() error {
return pt.baseCheckForErrors()
}
func (pt pollingTrackerDelete) provisioningStateApplicable() bool {
return pt.resp.StatusCode == http.StatusOK || pt.resp.StatusCode == http.StatusNoContent
}
// PATCH
type pollingTrackerPatch struct {
pollingTrackerBase
}
func (pt *pollingTrackerPatch) updatePollingMethod() error {
// by default we can use the original URL for polling and final GET
if pt.URI == "" {
pt.URI = pt.resp.Request.URL.String()
}
if pt.FinalGetURI == "" {
pt.FinalGetURI = pt.resp.Request.URL.String()
}
if pt.Pm == PollingUnknown {
pt.Pm = PollingRequestURI
}
// for 201 it's permissible for no headers to be returned
if pt.resp.StatusCode == http.StatusCreated {
if ao, err := getURLFromAsyncOpHeader(pt.resp); err != nil {
return err
} else if ao != "" {
pt.URI = ao
pt.Pm = PollingAsyncOperation
}
}
// for 202 prefer the Azure-AsyncOperation header but fall back to Location if necessary
// note the absence of the "final GET" mechanism for PATCH
if pt.resp.StatusCode == http.StatusAccepted {
ao, err := getURLFromAsyncOpHeader(pt.resp)
if err != nil {
return err
} else if ao != "" {
pt.URI = ao
pt.Pm = PollingAsyncOperation
}
if ao == "" {
if lh, err := getURLFromLocationHeader(pt.resp); err != nil {
return err
} else if lh == "" {
return autorest.NewError("pollingTrackerPatch", "updateHeaders", "didn't get any suitable polling URLs in 202 response")
} else {
pt.URI = lh
pt.Pm = PollingLocation
}
}
}
return nil
}
func (pt pollingTrackerPatch) checkForErrors() error {
return pt.baseCheckForErrors()
}
func (pt pollingTrackerPatch) provisioningStateApplicable() bool {
return pt.resp.StatusCode == http.StatusOK || pt.resp.StatusCode == http.StatusCreated
}
// POST
type pollingTrackerPost struct {
pollingTrackerBase
}
func (pt *pollingTrackerPost) updatePollingMethod() error {
// 201 requires Location header
if pt.resp.StatusCode == http.StatusCreated {
if lh, err := getURLFromLocationHeader(pt.resp); err != nil {
return err
} else if lh == "" {
return autorest.NewError("pollingTrackerPost", "updateHeaders", "missing Location header in 201 response")
} else {
pt.URI = lh
pt.FinalGetURI = lh
pt.Pm = PollingLocation
}
}
// for 202 prefer the Azure-AsyncOperation header but fall back to Location if necessary
if pt.resp.StatusCode == http.StatusAccepted {
ao, err := getURLFromAsyncOpHeader(pt.resp)
if err != nil {
return err
} else if ao != "" {
pt.URI = ao
pt.Pm = PollingAsyncOperation
}
// if the Location header is invalid and we already have a polling URL
// then we don't care if the Location header URL is malformed.
if lh, err := getURLFromLocationHeader(pt.resp); err != nil && pt.URI == "" {
return err
} else if lh != "" {
if ao == "" {
pt.URI = lh
pt.Pm = PollingLocation
}
// when both headers are returned we use the value in the Location header for the final GET
pt.FinalGetURI = lh
}
// make sure a polling URL was found
if pt.URI == "" {
return autorest.NewError("pollingTrackerPost", "updateHeaders", "didn't get any suitable polling URLs in 202 response")
}
}
return nil
}
func (pt pollingTrackerPost) checkForErrors() error {
return pt.baseCheckForErrors()
}
func (pt pollingTrackerPost) provisioningStateApplicable() bool {
return pt.resp.StatusCode == http.StatusOK || pt.resp.StatusCode == http.StatusNoContent
}
// PUT
type pollingTrackerPut struct {
pollingTrackerBase
}
func (pt *pollingTrackerPut) updatePollingMethod() error {
// by default we can use the original URL for polling and final GET
if pt.URI == "" {
pt.URI = pt.resp.Request.URL.String()
}
if pt.FinalGetURI == "" {
pt.FinalGetURI = pt.resp.Request.URL.String()
}
if pt.Pm == PollingUnknown {
pt.Pm = PollingRequestURI
}
// for 201 it's permissible for no headers to be returned
if pt.resp.StatusCode == http.StatusCreated {
if ao, err := getURLFromAsyncOpHeader(pt.resp); err != nil {
return err
} else if ao != "" {
pt.URI = ao
pt.Pm = PollingAsyncOperation
}
}
// for 202 prefer the Azure-AsyncOperation header but fall back to Location if necessary
if pt.resp.StatusCode == http.StatusAccepted {
ao, err := getURLFromAsyncOpHeader(pt.resp)
if err != nil {
return err
} else if ao != "" {
pt.URI = ao
pt.Pm = PollingAsyncOperation
}
// if the Location header is invalid and we already have a polling URL
// then we don't care if the Location header URL is malformed.
if lh, err := getURLFromLocationHeader(pt.resp); err != nil && pt.URI == "" {
return err
} else if lh != "" {
if ao == "" {
pt.URI = lh
pt.Pm = PollingLocation
}
}
// make sure a polling URL was found
if pt.URI == "" {
return autorest.NewError("pollingTrackerPut", "updateHeaders", "didn't get any suitable polling URLs in 202 response")
}
}
return nil
}
func (pt pollingTrackerPut) checkForErrors() error {
err := pt.baseCheckForErrors()
if err != nil {
return err
}
// if there are no LRO headers then the body cannot be empty
ao, err := getURLFromAsyncOpHeader(pt.resp)
if err != nil {
return err
}
lh, err := getURLFromLocationHeader(pt.resp)
if err != nil {
return err
}
if ao == "" && lh == "" && len(pt.rawBody) == 0 {
return autorest.NewError("pollingTrackerPut", "checkForErrors", "the response did not contain a body")
}
return nil
}
func (pt pollingTrackerPut) provisioningStateApplicable() bool {
return pt.resp.StatusCode == http.StatusOK || pt.resp.StatusCode == http.StatusCreated
}
// creates a polling tracker based on the verb of the original request
func createPollingTracker(resp *http.Response) (pollingTracker, error) {
var pt pollingTracker
switch strings.ToUpper(resp.Request.Method) {
case http.MethodDelete:
pt = &pollingTrackerDelete{pollingTrackerBase: pollingTrackerBase{resp: resp}}
case http.MethodPatch:
pt = &pollingTrackerPatch{pollingTrackerBase: pollingTrackerBase{resp: resp}}
case http.MethodPost:
pt = &pollingTrackerPost{pollingTrackerBase: pollingTrackerBase{resp: resp}}
case http.MethodPut:
pt = &pollingTrackerPut{pollingTrackerBase: pollingTrackerBase{resp: resp}}
default:
return nil, autorest.NewError("azure", "createPollingTracker", "unsupported HTTP method %s", resp.Request.Method)
}
if err := pt.initializeState(); err != nil {
return pt, err
}
// this initializes the polling header values, we do this during creation in case the
// initial response send us invalid values; this way the API call will return a non-nil
// error (not doing this means the error shows up in Future.Done)
return pt, pt.updatePollingMethod()
}
// gets the polling URL from the Azure-AsyncOperation header.
// ensures the URL is well-formed and absolute.
func getURLFromAsyncOpHeader(resp *http.Response) (string, error) {
s := resp.Header.Get(http.CanonicalHeaderKey(headerAsyncOperation))
if s == "" {
return "", nil
}
if !isValidURL(s) {
return "", autorest.NewError("azure", "getURLFromAsyncOpHeader", "invalid polling URL '%s'", s)
}
return s, nil
}
// gets the polling URL from the Location header.
// ensures the URL is well-formed and absolute.
func getURLFromLocationHeader(resp *http.Response) (string, error) {
s := resp.Header.Get(http.CanonicalHeaderKey(autorest.HeaderLocation))
if s == "" {
return "", nil
}
if !isValidURL(s) {
return "", autorest.NewError("azure", "getURLFromLocationHeader", "invalid polling URL '%s'", s)
}
return s, nil
}
// verify that the URL is valid and absolute
func isValidURL(s string) bool {
u, err := url.Parse(s)
return err == nil && u.IsAbs()
}
// PollingMethodType defines a type used for enumerating polling mechanisms.
type PollingMethodType string
const (
// PollingAsyncOperation indicates the polling method uses the Azure-AsyncOperation header.
PollingAsyncOperation PollingMethodType = "AsyncOperation"
// PollingLocation indicates the polling method uses the Location header.
PollingLocation PollingMethodType = "Location"
// PollingRequestURI indicates the polling method uses the original request URI.
PollingRequestURI PollingMethodType = "RequestURI"
// PollingUnknown indicates an unknown polling method and is the default value.
PollingUnknown PollingMethodType = ""
)
// AsyncOpIncompleteError is the type that's returned from a future that has not completed.
type AsyncOpIncompleteError struct {
// FutureType is the name of the type composed of a azure.Future.
FutureType string
}
// Error returns an error message including the originating type name of the error.
func (e AsyncOpIncompleteError) Error() string {
return fmt.Sprintf("%s: asynchronous operation has not completed", e.FutureType)
}
// NewAsyncOpIncompleteError creates a new AsyncOpIncompleteError with the specified parameters.
func NewAsyncOpIncompleteError(futureType string) AsyncOpIncompleteError {
return AsyncOpIncompleteError{
FutureType: futureType,
}
}

@ -0,0 +1,388 @@
// Package azure provides Azure-specific implementations used with AutoRest.
// See the included examples for more detail.
package azure
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"regexp"
"strconv"
"strings"
"github.com/Azure/go-autorest/autorest"
)
const (
// HeaderClientID is the Azure extension header to set a user-specified request ID.
HeaderClientID = "x-ms-client-request-id"
// HeaderReturnClientID is the Azure extension header to set if the user-specified request ID
// should be included in the response.
HeaderReturnClientID = "x-ms-return-client-request-id"
// HeaderContentType is the type of the content in the HTTP response.
HeaderContentType = "Content-Type"
// HeaderRequestID is the Azure extension header of the service generated request ID returned
// in the response.
HeaderRequestID = "x-ms-request-id"
)
// ServiceError encapsulates the error response from an Azure service.
// It adhears to the OData v4 specification for error responses.
type ServiceError struct {
Code string `json:"code"`
Message string `json:"message"`
Target *string `json:"target"`
Details []map[string]interface{} `json:"details"`
InnerError map[string]interface{} `json:"innererror"`
AdditionalInfo []map[string]interface{} `json:"additionalInfo"`
}
func (se ServiceError) Error() string {
result := fmt.Sprintf("Code=%q Message=%q", se.Code, se.Message)
if se.Target != nil {
result += fmt.Sprintf(" Target=%q", *se.Target)
}
if se.Details != nil {
d, err := json.Marshal(se.Details)
if err != nil {
result += fmt.Sprintf(" Details=%v", se.Details)
}
result += fmt.Sprintf(" Details=%s", d)
}
if se.InnerError != nil {
d, err := json.Marshal(se.InnerError)
if err != nil {
result += fmt.Sprintf(" InnerError=%v", se.InnerError)
}
result += fmt.Sprintf(" InnerError=%s", d)
}
if se.AdditionalInfo != nil {
d, err := json.Marshal(se.AdditionalInfo)
if err != nil {
result += fmt.Sprintf(" AdditionalInfo=%v", se.AdditionalInfo)
}
result += fmt.Sprintf(" AdditionalInfo=%s", d)
}
return result
}
// UnmarshalJSON implements the json.Unmarshaler interface for the ServiceError type.
func (se *ServiceError) UnmarshalJSON(b []byte) error {
// http://docs.oasis-open.org/odata/odata-json-format/v4.0/os/odata-json-format-v4.0-os.html#_Toc372793091
type serviceErrorInternal struct {
Code string `json:"code"`
Message string `json:"message"`
Target *string `json:"target,omitempty"`
AdditionalInfo []map[string]interface{} `json:"additionalInfo,omitempty"`
// not all services conform to the OData v4 spec.
// the following fields are where we've seen discrepancies
// spec calls for []map[string]interface{} but have seen map[string]interface{}
Details interface{} `json:"details,omitempty"`
// spec calls for map[string]interface{} but have seen []map[string]interface{} and string
InnerError interface{} `json:"innererror,omitempty"`
}
sei := serviceErrorInternal{}
if err := json.Unmarshal(b, &sei); err != nil {
return err
}
// copy the fields we know to be correct
se.AdditionalInfo = sei.AdditionalInfo
se.Code = sei.Code
se.Message = sei.Message
se.Target = sei.Target
// converts an []interface{} to []map[string]interface{}
arrayOfObjs := func(v interface{}) ([]map[string]interface{}, bool) {
arrayOf, ok := v.([]interface{})
if !ok {
return nil, false
}
final := []map[string]interface{}{}
for _, item := range arrayOf {
as, ok := item.(map[string]interface{})
if !ok {
return nil, false
}
final = append(final, as)
}
return final, true
}
// convert the remaining fields, falling back to raw JSON if necessary
if c, ok := arrayOfObjs(sei.Details); ok {
se.Details = c
} else if c, ok := sei.Details.(map[string]interface{}); ok {
se.Details = []map[string]interface{}{c}
} else if sei.Details != nil {
// stuff into Details
se.Details = []map[string]interface{}{
{"raw": sei.Details},
}
}
if c, ok := sei.InnerError.(map[string]interface{}); ok {
se.InnerError = c
} else if c, ok := arrayOfObjs(sei.InnerError); ok {
// if there's only one error extract it
if len(c) == 1 {
se.InnerError = c[0]
} else {
// multiple errors, stuff them into the value
se.InnerError = map[string]interface{}{
"multi": c,
}
}
} else if c, ok := sei.InnerError.(string); ok {
se.InnerError = map[string]interface{}{"error": c}
} else if sei.InnerError != nil {
// stuff into InnerError
se.InnerError = map[string]interface{}{
"raw": sei.InnerError,
}
}
return nil
}
// RequestError describes an error response returned by Azure service.
type RequestError struct {
autorest.DetailedError
// The error returned by the Azure service.
ServiceError *ServiceError `json:"error" xml:"Error"`
// The request id (from the x-ms-request-id-header) of the request.
RequestID string
}
// Error returns a human-friendly error message from service error.
func (e RequestError) Error() string {
return fmt.Sprintf("autorest/azure: Service returned an error. Status=%v %v",
e.StatusCode, e.ServiceError)
}
// IsAzureError returns true if the passed error is an Azure Service error; false otherwise.
func IsAzureError(e error) bool {
_, ok := e.(*RequestError)
return ok
}
// Resource contains details about an Azure resource.
type Resource struct {
SubscriptionID string
ResourceGroup string
Provider string
ResourceType string
ResourceName string
}
// String function returns a string in form of azureResourceID
func (r Resource) String() string {
return fmt.Sprintf("/subscriptions/%s/resourceGroups/%s/providers/%s/%s/%s", r.SubscriptionID, r.ResourceGroup, r.Provider, r.ResourceType, r.ResourceName)
}
// ParseResourceID parses a resource ID into a ResourceDetails struct.
// See https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/template-functions-resource?tabs=json#resourceid.
func ParseResourceID(resourceID string) (Resource, error) {
const resourceIDPatternText = `(?i)subscriptions/(.+)/resourceGroups/(.+)/providers/(.+?)/(.+?)/(.+)`
resourceIDPattern := regexp.MustCompile(resourceIDPatternText)
match := resourceIDPattern.FindStringSubmatch(resourceID)
if len(match) == 0 {
return Resource{}, fmt.Errorf("parsing failed for %s. Invalid resource Id format", resourceID)
}
v := strings.Split(match[5], "/")
resourceName := v[len(v)-1]
result := Resource{
SubscriptionID: match[1],
ResourceGroup: match[2],
Provider: match[3],
ResourceType: match[4],
ResourceName: resourceName,
}
return result, nil
}
// NewErrorWithError creates a new Error conforming object from the
// passed packageType, method, statusCode of the given resp (UndefinedStatusCode
// if resp is nil), message, and original error. message is treated as a format
// string to which the optional args apply.
func NewErrorWithError(original error, packageType string, method string, resp *http.Response, message string, args ...interface{}) RequestError {
if v, ok := original.(*RequestError); ok {
return *v
}
statusCode := autorest.UndefinedStatusCode
if resp != nil {
statusCode = resp.StatusCode
}
return RequestError{
DetailedError: autorest.DetailedError{
Original: original,
PackageType: packageType,
Method: method,
StatusCode: statusCode,
Message: fmt.Sprintf(message, args...),
},
}
}
// WithReturningClientID returns a PrepareDecorator that adds an HTTP extension header of
// x-ms-client-request-id whose value is the passed, undecorated UUID (e.g.,
// "0F39878C-5F76-4DB8-A25D-61D2C193C3CA"). It also sets the x-ms-return-client-request-id
// header to true such that UUID accompanies the http.Response.
func WithReturningClientID(uuid string) autorest.PrepareDecorator {
preparer := autorest.CreatePreparer(
WithClientID(uuid),
WithReturnClientID(true))
return func(p autorest.Preparer) autorest.Preparer {
return autorest.PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err != nil {
return r, err
}
return preparer.Prepare(r)
})
}
}
// WithClientID returns a PrepareDecorator that adds an HTTP extension header of
// x-ms-client-request-id whose value is passed, undecorated UUID (e.g.,
// "0F39878C-5F76-4DB8-A25D-61D2C193C3CA").
func WithClientID(uuid string) autorest.PrepareDecorator {
return autorest.WithHeader(HeaderClientID, uuid)
}
// WithReturnClientID returns a PrepareDecorator that adds an HTTP extension header of
// x-ms-return-client-request-id whose boolean value indicates if the value of the
// x-ms-client-request-id header should be included in the http.Response.
func WithReturnClientID(b bool) autorest.PrepareDecorator {
return autorest.WithHeader(HeaderReturnClientID, strconv.FormatBool(b))
}
// ExtractClientID extracts the client identifier from the x-ms-client-request-id header set on the
// http.Request sent to the service (and returned in the http.Response)
func ExtractClientID(resp *http.Response) string {
return autorest.ExtractHeaderValue(HeaderClientID, resp)
}
// ExtractRequestID extracts the Azure server generated request identifier from the
// x-ms-request-id header.
func ExtractRequestID(resp *http.Response) string {
return autorest.ExtractHeaderValue(HeaderRequestID, resp)
}
// WithErrorUnlessStatusCode returns a RespondDecorator that emits an
// azure.RequestError by reading the response body unless the response HTTP status code
// is among the set passed.
//
// If there is a chance service may return responses other than the Azure error
// format and the response cannot be parsed into an error, a decoding error will
// be returned containing the response body. In any case, the Responder will
// return an error if the status code is not satisfied.
//
// If this Responder returns an error, the response body will be replaced with
// an in-memory reader, which needs no further closing.
func WithErrorUnlessStatusCode(codes ...int) autorest.RespondDecorator {
return func(r autorest.Responder) autorest.Responder {
return autorest.ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err == nil && !autorest.ResponseHasStatusCode(resp, codes...) {
var e RequestError
defer resp.Body.Close()
encodedAs := autorest.EncodedAsJSON
if strings.Contains(resp.Header.Get("Content-Type"), "xml") {
encodedAs = autorest.EncodedAsXML
}
// Copy and replace the Body in case it does not contain an error object.
// This will leave the Body available to the caller.
b, decodeErr := autorest.CopyAndDecode(encodedAs, resp.Body, &e)
resp.Body = ioutil.NopCloser(&b)
if decodeErr != nil {
return fmt.Errorf("autorest/azure: error response cannot be parsed: %q error: %v", b, decodeErr)
}
if e.ServiceError == nil {
// Check if error is unwrapped ServiceError
decoder := autorest.NewDecoder(encodedAs, bytes.NewReader(b.Bytes()))
if err := decoder.Decode(&e.ServiceError); err != nil {
return fmt.Errorf("autorest/azure: error response cannot be parsed: %q error: %v", b, err)
}
// for example, should the API return the literal value `null` as the response
if e.ServiceError == nil {
e.ServiceError = &ServiceError{
Code: "Unknown",
Message: "Unknown service error",
Details: []map[string]interface{}{
{
"HttpResponse.Body": b.String(),
},
},
}
}
}
if e.ServiceError != nil && e.ServiceError.Message == "" {
// if we're here it means the returned error wasn't OData v4 compliant.
// try to unmarshal the body in hopes of getting something.
rawBody := map[string]interface{}{}
decoder := autorest.NewDecoder(encodedAs, bytes.NewReader(b.Bytes()))
if err := decoder.Decode(&rawBody); err != nil {
return fmt.Errorf("autorest/azure: error response cannot be parsed: %q error: %v", b, err)
}
e.ServiceError = &ServiceError{
Code: "Unknown",
Message: "Unknown service error",
}
if len(rawBody) > 0 {
e.ServiceError.Details = []map[string]interface{}{rawBody}
}
}
e.Response = resp
e.RequestID = ExtractRequestID(resp)
if e.StatusCode == nil {
e.StatusCode = resp.StatusCode
}
err = &e
}
return err
})
}
}

@ -0,0 +1,331 @@
package azure
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"strings"
)
const (
// EnvironmentFilepathName captures the name of the environment variable containing the path to the file
// to be used while populating the Azure Environment.
EnvironmentFilepathName = "AZURE_ENVIRONMENT_FILEPATH"
// NotAvailable is used for endpoints and resource IDs that are not available for a given cloud.
NotAvailable = "N/A"
)
var environments = map[string]Environment{
"AZURECHINACLOUD": ChinaCloud,
"AZUREGERMANCLOUD": GermanCloud,
"AZURECLOUD": PublicCloud,
"AZUREPUBLICCLOUD": PublicCloud,
"AZUREUSGOVERNMENT": USGovernmentCloud,
"AZUREUSGOVERNMENTCLOUD": USGovernmentCloud, //TODO: deprecate
}
// ResourceIdentifier contains a set of Azure resource IDs.
type ResourceIdentifier struct {
Graph string `json:"graph"`
KeyVault string `json:"keyVault"`
Datalake string `json:"datalake"`
Batch string `json:"batch"`
OperationalInsights string `json:"operationalInsights"`
OSSRDBMS string `json:"ossRDBMS"`
Storage string `json:"storage"`
Synapse string `json:"synapse"`
ServiceBus string `json:"serviceBus"`
SQLDatabase string `json:"sqlDatabase"`
CosmosDB string `json:"cosmosDB"`
ManagedHSM string `json:"managedHSM"`
MicrosoftGraph string `json:"microsoftGraph"`
}
// Environment represents a set of endpoints for each of Azure's Clouds.
type Environment struct {
Name string `json:"name"`
ManagementPortalURL string `json:"managementPortalURL"`
PublishSettingsURL string `json:"publishSettingsURL"`
ServiceManagementEndpoint string `json:"serviceManagementEndpoint"`
ResourceManagerEndpoint string `json:"resourceManagerEndpoint"`
ActiveDirectoryEndpoint string `json:"activeDirectoryEndpoint"`
GalleryEndpoint string `json:"galleryEndpoint"`
KeyVaultEndpoint string `json:"keyVaultEndpoint"`
ManagedHSMEndpoint string `json:"managedHSMEndpoint"`
GraphEndpoint string `json:"graphEndpoint"`
ServiceBusEndpoint string `json:"serviceBusEndpoint"`
BatchManagementEndpoint string `json:"batchManagementEndpoint"`
MicrosoftGraphEndpoint string `json:"microsoftGraphEndpoint"`
StorageEndpointSuffix string `json:"storageEndpointSuffix"`
CosmosDBDNSSuffix string `json:"cosmosDBDNSSuffix"`
MariaDBDNSSuffix string `json:"mariaDBDNSSuffix"`
MySQLDatabaseDNSSuffix string `json:"mySqlDatabaseDNSSuffix"`
PostgresqlDatabaseDNSSuffix string `json:"postgresqlDatabaseDNSSuffix"`
SQLDatabaseDNSSuffix string `json:"sqlDatabaseDNSSuffix"`
TrafficManagerDNSSuffix string `json:"trafficManagerDNSSuffix"`
KeyVaultDNSSuffix string `json:"keyVaultDNSSuffix"`
ManagedHSMDNSSuffix string `json:"managedHSMDNSSuffix"`
ServiceBusEndpointSuffix string `json:"serviceBusEndpointSuffix"`
ServiceManagementVMDNSSuffix string `json:"serviceManagementVMDNSSuffix"`
ResourceManagerVMDNSSuffix string `json:"resourceManagerVMDNSSuffix"`
ContainerRegistryDNSSuffix string `json:"containerRegistryDNSSuffix"`
TokenAudience string `json:"tokenAudience"`
APIManagementHostNameSuffix string `json:"apiManagementHostNameSuffix"`
SynapseEndpointSuffix string `json:"synapseEndpointSuffix"`
DatalakeSuffix string `json:"datalakeSuffix"`
ResourceIdentifiers ResourceIdentifier `json:"resourceIdentifiers"`
}
var (
// PublicCloud is the default public Azure cloud environment
PublicCloud = Environment{
Name: "AzurePublicCloud",
ManagementPortalURL: "https://manage.windowsazure.com/",
PublishSettingsURL: "https://manage.windowsazure.com/publishsettings/index",
ServiceManagementEndpoint: "https://management.core.windows.net/",
ResourceManagerEndpoint: "https://management.azure.com/",
ActiveDirectoryEndpoint: "https://login.microsoftonline.com/",
GalleryEndpoint: "https://gallery.azure.com/",
KeyVaultEndpoint: "https://vault.azure.net/",
ManagedHSMEndpoint: "https://managedhsm.azure.net/",
GraphEndpoint: "https://graph.windows.net/",
ServiceBusEndpoint: "https://servicebus.windows.net/",
BatchManagementEndpoint: "https://batch.core.windows.net/",
MicrosoftGraphEndpoint: "https://graph.microsoft.com/",
StorageEndpointSuffix: "core.windows.net",
CosmosDBDNSSuffix: "documents.azure.com",
MariaDBDNSSuffix: "mariadb.database.azure.com",
MySQLDatabaseDNSSuffix: "mysql.database.azure.com",
PostgresqlDatabaseDNSSuffix: "postgres.database.azure.com",
SQLDatabaseDNSSuffix: "database.windows.net",
TrafficManagerDNSSuffix: "trafficmanager.net",
KeyVaultDNSSuffix: "vault.azure.net",
ManagedHSMDNSSuffix: "managedhsm.azure.net",
ServiceBusEndpointSuffix: "servicebus.windows.net",
ServiceManagementVMDNSSuffix: "cloudapp.net",
ResourceManagerVMDNSSuffix: "cloudapp.azure.com",
ContainerRegistryDNSSuffix: "azurecr.io",
TokenAudience: "https://management.azure.com/",
APIManagementHostNameSuffix: "azure-api.net",
SynapseEndpointSuffix: "dev.azuresynapse.net",
DatalakeSuffix: "azuredatalakestore.net",
ResourceIdentifiers: ResourceIdentifier{
Graph: "https://graph.windows.net/",
KeyVault: "https://vault.azure.net",
Datalake: "https://datalake.azure.net/",
Batch: "https://batch.core.windows.net/",
OperationalInsights: "https://api.loganalytics.io",
OSSRDBMS: "https://ossrdbms-aad.database.windows.net",
Storage: "https://storage.azure.com/",
Synapse: "https://dev.azuresynapse.net",
ServiceBus: "https://servicebus.azure.net/",
SQLDatabase: "https://database.windows.net/",
CosmosDB: "https://cosmos.azure.com",
ManagedHSM: "https://managedhsm.azure.net",
MicrosoftGraph: "https://graph.microsoft.com/",
},
}
// USGovernmentCloud is the cloud environment for the US Government
USGovernmentCloud = Environment{
Name: "AzureUSGovernmentCloud",
ManagementPortalURL: "https://manage.windowsazure.us/",
PublishSettingsURL: "https://manage.windowsazure.us/publishsettings/index",
ServiceManagementEndpoint: "https://management.core.usgovcloudapi.net/",
ResourceManagerEndpoint: "https://management.usgovcloudapi.net/",
ActiveDirectoryEndpoint: "https://login.microsoftonline.us/",
GalleryEndpoint: "https://gallery.usgovcloudapi.net/",
KeyVaultEndpoint: "https://vault.usgovcloudapi.net/",
ManagedHSMEndpoint: NotAvailable,
GraphEndpoint: "https://graph.windows.net/",
ServiceBusEndpoint: "https://servicebus.usgovcloudapi.net/",
BatchManagementEndpoint: "https://batch.core.usgovcloudapi.net/",
MicrosoftGraphEndpoint: "https://graph.microsoft.us/",
StorageEndpointSuffix: "core.usgovcloudapi.net",
CosmosDBDNSSuffix: "documents.azure.us",
MariaDBDNSSuffix: "mariadb.database.usgovcloudapi.net",
MySQLDatabaseDNSSuffix: "mysql.database.usgovcloudapi.net",
PostgresqlDatabaseDNSSuffix: "postgres.database.usgovcloudapi.net",
SQLDatabaseDNSSuffix: "database.usgovcloudapi.net",
TrafficManagerDNSSuffix: "usgovtrafficmanager.net",
KeyVaultDNSSuffix: "vault.usgovcloudapi.net",
ManagedHSMDNSSuffix: NotAvailable,
ServiceBusEndpointSuffix: "servicebus.usgovcloudapi.net",
ServiceManagementVMDNSSuffix: "usgovcloudapp.net",
ResourceManagerVMDNSSuffix: "cloudapp.usgovcloudapi.net",
ContainerRegistryDNSSuffix: "azurecr.us",
TokenAudience: "https://management.usgovcloudapi.net/",
APIManagementHostNameSuffix: "azure-api.us",
SynapseEndpointSuffix: "dev.azuresynapse.usgovcloudapi.net",
DatalakeSuffix: NotAvailable,
ResourceIdentifiers: ResourceIdentifier{
Graph: "https://graph.windows.net/",
KeyVault: "https://vault.usgovcloudapi.net",
Datalake: NotAvailable,
Batch: "https://batch.core.usgovcloudapi.net/",
OperationalInsights: "https://api.loganalytics.us",
OSSRDBMS: "https://ossrdbms-aad.database.usgovcloudapi.net",
Storage: "https://storage.azure.com/",
Synapse: "https://dev.azuresynapse.usgovcloudapi.net",
ServiceBus: "https://servicebus.azure.net/",
SQLDatabase: "https://database.usgovcloudapi.net/",
CosmosDB: "https://cosmos.azure.com",
ManagedHSM: NotAvailable,
MicrosoftGraph: "https://graph.microsoft.us/",
},
}
// ChinaCloud is the cloud environment operated in China
ChinaCloud = Environment{
Name: "AzureChinaCloud",
ManagementPortalURL: "https://manage.chinacloudapi.com/",
PublishSettingsURL: "https://manage.chinacloudapi.com/publishsettings/index",
ServiceManagementEndpoint: "https://management.core.chinacloudapi.cn/",
ResourceManagerEndpoint: "https://management.chinacloudapi.cn/",
ActiveDirectoryEndpoint: "https://login.chinacloudapi.cn/",
GalleryEndpoint: "https://gallery.chinacloudapi.cn/",
KeyVaultEndpoint: "https://vault.azure.cn/",
ManagedHSMEndpoint: NotAvailable,
GraphEndpoint: "https://graph.chinacloudapi.cn/",
ServiceBusEndpoint: "https://servicebus.chinacloudapi.cn/",
BatchManagementEndpoint: "https://batch.chinacloudapi.cn/",
MicrosoftGraphEndpoint: "https://microsoftgraph.chinacloudapi.cn/",
StorageEndpointSuffix: "core.chinacloudapi.cn",
CosmosDBDNSSuffix: "documents.azure.cn",
MariaDBDNSSuffix: "mariadb.database.chinacloudapi.cn",
MySQLDatabaseDNSSuffix: "mysql.database.chinacloudapi.cn",
PostgresqlDatabaseDNSSuffix: "postgres.database.chinacloudapi.cn",
SQLDatabaseDNSSuffix: "database.chinacloudapi.cn",
TrafficManagerDNSSuffix: "trafficmanager.cn",
KeyVaultDNSSuffix: "vault.azure.cn",
ManagedHSMDNSSuffix: NotAvailable,
ServiceBusEndpointSuffix: "servicebus.chinacloudapi.cn",
ServiceManagementVMDNSSuffix: "chinacloudapp.cn",
ResourceManagerVMDNSSuffix: "cloudapp.chinacloudapi.cn",
ContainerRegistryDNSSuffix: "azurecr.cn",
TokenAudience: "https://management.chinacloudapi.cn/",
APIManagementHostNameSuffix: "azure-api.cn",
SynapseEndpointSuffix: "dev.azuresynapse.azure.cn",
DatalakeSuffix: NotAvailable,
ResourceIdentifiers: ResourceIdentifier{
Graph: "https://graph.chinacloudapi.cn/",
KeyVault: "https://vault.azure.cn",
Datalake: NotAvailable,
Batch: "https://batch.chinacloudapi.cn/",
OperationalInsights: NotAvailable,
OSSRDBMS: "https://ossrdbms-aad.database.chinacloudapi.cn",
Storage: "https://storage.azure.com/",
Synapse: "https://dev.azuresynapse.net",
ServiceBus: "https://servicebus.azure.net/",
SQLDatabase: "https://database.chinacloudapi.cn/",
CosmosDB: "https://cosmos.azure.com",
ManagedHSM: NotAvailable,
MicrosoftGraph: "https://microsoftgraph.chinacloudapi.cn",
},
}
// GermanCloud is the cloud environment operated in Germany
GermanCloud = Environment{
Name: "AzureGermanCloud",
ManagementPortalURL: "http://portal.microsoftazure.de/",
PublishSettingsURL: "https://manage.microsoftazure.de/publishsettings/index",
ServiceManagementEndpoint: "https://management.core.cloudapi.de/",
ResourceManagerEndpoint: "https://management.microsoftazure.de/",
ActiveDirectoryEndpoint: "https://login.microsoftonline.de/",
GalleryEndpoint: "https://gallery.cloudapi.de/",
KeyVaultEndpoint: "https://vault.microsoftazure.de/",
ManagedHSMEndpoint: NotAvailable,
GraphEndpoint: "https://graph.cloudapi.de/",
ServiceBusEndpoint: "https://servicebus.cloudapi.de/",
BatchManagementEndpoint: "https://batch.cloudapi.de/",
MicrosoftGraphEndpoint: NotAvailable,
StorageEndpointSuffix: "core.cloudapi.de",
CosmosDBDNSSuffix: "documents.microsoftazure.de",
MariaDBDNSSuffix: "mariadb.database.cloudapi.de",
MySQLDatabaseDNSSuffix: "mysql.database.cloudapi.de",
PostgresqlDatabaseDNSSuffix: "postgres.database.cloudapi.de",
SQLDatabaseDNSSuffix: "database.cloudapi.de",
TrafficManagerDNSSuffix: "azuretrafficmanager.de",
KeyVaultDNSSuffix: "vault.microsoftazure.de",
ManagedHSMDNSSuffix: NotAvailable,
ServiceBusEndpointSuffix: "servicebus.cloudapi.de",
ServiceManagementVMDNSSuffix: "azurecloudapp.de",
ResourceManagerVMDNSSuffix: "cloudapp.microsoftazure.de",
ContainerRegistryDNSSuffix: NotAvailable,
TokenAudience: "https://management.microsoftazure.de/",
APIManagementHostNameSuffix: NotAvailable,
SynapseEndpointSuffix: NotAvailable,
DatalakeSuffix: NotAvailable,
ResourceIdentifiers: ResourceIdentifier{
Graph: "https://graph.cloudapi.de/",
KeyVault: "https://vault.microsoftazure.de",
Datalake: NotAvailable,
Batch: "https://batch.cloudapi.de/",
OperationalInsights: NotAvailable,
OSSRDBMS: "https://ossrdbms-aad.database.cloudapi.de",
Storage: "https://storage.azure.com/",
Synapse: NotAvailable,
ServiceBus: "https://servicebus.azure.net/",
SQLDatabase: "https://database.cloudapi.de/",
CosmosDB: "https://cosmos.azure.com",
ManagedHSM: NotAvailable,
MicrosoftGraph: NotAvailable,
},
}
)
// EnvironmentFromName returns an Environment based on the common name specified.
func EnvironmentFromName(name string) (Environment, error) {
// IMPORTANT
// As per @radhikagupta5:
// This is technical debt, fundamentally here because Kubernetes is not currently accepting
// contributions to the providers. Once that is an option, the provider should be updated to
// directly call `EnvironmentFromFile`. Until then, we rely on dispatching Azure Stack environment creation
// from this method based on the name that is provided to us.
if strings.EqualFold(name, "AZURESTACKCLOUD") {
return EnvironmentFromFile(os.Getenv(EnvironmentFilepathName))
}
name = strings.ToUpper(name)
env, ok := environments[name]
if !ok {
return env, fmt.Errorf("autorest/azure: There is no cloud environment matching the name %q", name)
}
return env, nil
}
// EnvironmentFromFile loads an Environment from a configuration file available on disk.
// This function is particularly useful in the Hybrid Cloud model, where one must define their own
// endpoints.
func EnvironmentFromFile(location string) (unmarshaled Environment, err error) {
fileContents, err := ioutil.ReadFile(location)
if err != nil {
return
}
err = json.Unmarshal(fileContents, &unmarshaled)
return
}
// SetEnvironment updates the environment map with the specified values.
func SetEnvironment(name string, env Environment) {
environments[strings.ToUpper(name)] = env
}

@ -0,0 +1,245 @@
package azure
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"strings"
"github.com/Azure/go-autorest/autorest"
)
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
type audience []string
type authentication struct {
LoginEndpoint string `json:"loginEndpoint"`
Audiences audience `json:"audiences"`
}
type environmentMetadataInfo struct {
GalleryEndpoint string `json:"galleryEndpoint"`
GraphEndpoint string `json:"graphEndpoint"`
PortalEndpoint string `json:"portalEndpoint"`
Authentication authentication `json:"authentication"`
}
// EnvironmentProperty represent property names that clients can override
type EnvironmentProperty string
const (
// EnvironmentName ...
EnvironmentName EnvironmentProperty = "name"
// EnvironmentManagementPortalURL ..
EnvironmentManagementPortalURL EnvironmentProperty = "managementPortalURL"
// EnvironmentPublishSettingsURL ...
EnvironmentPublishSettingsURL EnvironmentProperty = "publishSettingsURL"
// EnvironmentServiceManagementEndpoint ...
EnvironmentServiceManagementEndpoint EnvironmentProperty = "serviceManagementEndpoint"
// EnvironmentResourceManagerEndpoint ...
EnvironmentResourceManagerEndpoint EnvironmentProperty = "resourceManagerEndpoint"
// EnvironmentActiveDirectoryEndpoint ...
EnvironmentActiveDirectoryEndpoint EnvironmentProperty = "activeDirectoryEndpoint"
// EnvironmentGalleryEndpoint ...
EnvironmentGalleryEndpoint EnvironmentProperty = "galleryEndpoint"
// EnvironmentKeyVaultEndpoint ...
EnvironmentKeyVaultEndpoint EnvironmentProperty = "keyVaultEndpoint"
// EnvironmentGraphEndpoint ...
EnvironmentGraphEndpoint EnvironmentProperty = "graphEndpoint"
// EnvironmentServiceBusEndpoint ...
EnvironmentServiceBusEndpoint EnvironmentProperty = "serviceBusEndpoint"
// EnvironmentBatchManagementEndpoint ...
EnvironmentBatchManagementEndpoint EnvironmentProperty = "batchManagementEndpoint"
// EnvironmentStorageEndpointSuffix ...
EnvironmentStorageEndpointSuffix EnvironmentProperty = "storageEndpointSuffix"
// EnvironmentSQLDatabaseDNSSuffix ...
EnvironmentSQLDatabaseDNSSuffix EnvironmentProperty = "sqlDatabaseDNSSuffix"
// EnvironmentTrafficManagerDNSSuffix ...
EnvironmentTrafficManagerDNSSuffix EnvironmentProperty = "trafficManagerDNSSuffix"
// EnvironmentKeyVaultDNSSuffix ...
EnvironmentKeyVaultDNSSuffix EnvironmentProperty = "keyVaultDNSSuffix"
// EnvironmentServiceBusEndpointSuffix ...
EnvironmentServiceBusEndpointSuffix EnvironmentProperty = "serviceBusEndpointSuffix"
// EnvironmentServiceManagementVMDNSSuffix ...
EnvironmentServiceManagementVMDNSSuffix EnvironmentProperty = "serviceManagementVMDNSSuffix"
// EnvironmentResourceManagerVMDNSSuffix ...
EnvironmentResourceManagerVMDNSSuffix EnvironmentProperty = "resourceManagerVMDNSSuffix"
// EnvironmentContainerRegistryDNSSuffix ...
EnvironmentContainerRegistryDNSSuffix EnvironmentProperty = "containerRegistryDNSSuffix"
// EnvironmentTokenAudience ...
EnvironmentTokenAudience EnvironmentProperty = "tokenAudience"
)
// OverrideProperty represents property name and value that clients can override
type OverrideProperty struct {
Key EnvironmentProperty
Value string
}
// EnvironmentFromURL loads an Environment from a URL
// This function is particularly useful in the Hybrid Cloud model, where one may define their own
// endpoints.
func EnvironmentFromURL(resourceManagerEndpoint string, properties ...OverrideProperty) (environment Environment, err error) {
var metadataEnvProperties environmentMetadataInfo
if resourceManagerEndpoint == "" {
return environment, fmt.Errorf("Metadata resource manager endpoint is empty")
}
if metadataEnvProperties, err = retrieveMetadataEnvironment(resourceManagerEndpoint); err != nil {
return environment, err
}
// Give priority to user's override values
overrideProperties(&environment, properties)
if environment.Name == "" {
environment.Name = "HybridEnvironment"
}
stampDNSSuffix := environment.StorageEndpointSuffix
if stampDNSSuffix == "" {
stampDNSSuffix = strings.TrimSuffix(strings.TrimPrefix(strings.Replace(resourceManagerEndpoint, strings.Split(resourceManagerEndpoint, ".")[0], "", 1), "."), "/")
environment.StorageEndpointSuffix = stampDNSSuffix
}
if environment.KeyVaultDNSSuffix == "" {
environment.KeyVaultDNSSuffix = fmt.Sprintf("%s.%s", "vault", stampDNSSuffix)
}
if environment.KeyVaultEndpoint == "" {
environment.KeyVaultEndpoint = fmt.Sprintf("%s%s", "https://", environment.KeyVaultDNSSuffix)
}
if environment.TokenAudience == "" {
environment.TokenAudience = metadataEnvProperties.Authentication.Audiences[0]
}
if environment.ActiveDirectoryEndpoint == "" {
environment.ActiveDirectoryEndpoint = metadataEnvProperties.Authentication.LoginEndpoint
}
if environment.ResourceManagerEndpoint == "" {
environment.ResourceManagerEndpoint = resourceManagerEndpoint
}
if environment.GalleryEndpoint == "" {
environment.GalleryEndpoint = metadataEnvProperties.GalleryEndpoint
}
if environment.GraphEndpoint == "" {
environment.GraphEndpoint = metadataEnvProperties.GraphEndpoint
}
return environment, nil
}
func overrideProperties(environment *Environment, properties []OverrideProperty) {
for _, property := range properties {
switch property.Key {
case EnvironmentName:
{
environment.Name = property.Value
}
case EnvironmentManagementPortalURL:
{
environment.ManagementPortalURL = property.Value
}
case EnvironmentPublishSettingsURL:
{
environment.PublishSettingsURL = property.Value
}
case EnvironmentServiceManagementEndpoint:
{
environment.ServiceManagementEndpoint = property.Value
}
case EnvironmentResourceManagerEndpoint:
{
environment.ResourceManagerEndpoint = property.Value
}
case EnvironmentActiveDirectoryEndpoint:
{
environment.ActiveDirectoryEndpoint = property.Value
}
case EnvironmentGalleryEndpoint:
{
environment.GalleryEndpoint = property.Value
}
case EnvironmentKeyVaultEndpoint:
{
environment.KeyVaultEndpoint = property.Value
}
case EnvironmentGraphEndpoint:
{
environment.GraphEndpoint = property.Value
}
case EnvironmentServiceBusEndpoint:
{
environment.ServiceBusEndpoint = property.Value
}
case EnvironmentBatchManagementEndpoint:
{
environment.BatchManagementEndpoint = property.Value
}
case EnvironmentStorageEndpointSuffix:
{
environment.StorageEndpointSuffix = property.Value
}
case EnvironmentSQLDatabaseDNSSuffix:
{
environment.SQLDatabaseDNSSuffix = property.Value
}
case EnvironmentTrafficManagerDNSSuffix:
{
environment.TrafficManagerDNSSuffix = property.Value
}
case EnvironmentKeyVaultDNSSuffix:
{
environment.KeyVaultDNSSuffix = property.Value
}
case EnvironmentServiceBusEndpointSuffix:
{
environment.ServiceBusEndpointSuffix = property.Value
}
case EnvironmentServiceManagementVMDNSSuffix:
{
environment.ServiceManagementVMDNSSuffix = property.Value
}
case EnvironmentResourceManagerVMDNSSuffix:
{
environment.ResourceManagerVMDNSSuffix = property.Value
}
case EnvironmentContainerRegistryDNSSuffix:
{
environment.ContainerRegistryDNSSuffix = property.Value
}
case EnvironmentTokenAudience:
{
environment.TokenAudience = property.Value
}
}
}
}
func retrieveMetadataEnvironment(endpoint string) (environment environmentMetadataInfo, err error) {
client := autorest.NewClientWithUserAgent("")
managementEndpoint := fmt.Sprintf("%s%s", strings.TrimSuffix(endpoint, "/"), "/metadata/endpoints?api-version=1.0")
req, _ := http.NewRequest("GET", managementEndpoint, nil)
response, err := client.Do(req)
if err != nil {
return environment, err
}
defer response.Body.Close()
jsonResponse, err := ioutil.ReadAll(response.Body)
if err != nil {
return environment, err
}
err = json.Unmarshal(jsonResponse, &environment)
return environment, err
}

@ -0,0 +1,204 @@
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package azure
import (
"errors"
"fmt"
"net/http"
"net/url"
"strings"
"time"
"github.com/Azure/go-autorest/autorest"
)
// DoRetryWithRegistration tries to register the resource provider in case it is unregistered.
// It also handles request retries
func DoRetryWithRegistration(client autorest.Client) autorest.SendDecorator {
return func(s autorest.Sender) autorest.Sender {
return autorest.SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
rr := autorest.NewRetriableRequest(r)
for currentAttempt := 0; currentAttempt < client.RetryAttempts; currentAttempt++ {
err = rr.Prepare()
if err != nil {
return resp, err
}
resp, err = autorest.SendWithSender(s, rr.Request(),
autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...),
)
if err != nil {
return resp, err
}
if resp.StatusCode != http.StatusConflict || client.SkipResourceProviderRegistration {
return resp, err
}
var re RequestError
if strings.Contains(r.Header.Get("Content-Type"), "xml") {
// XML errors (e.g. Storage Data Plane) only return the inner object
err = autorest.Respond(resp, autorest.ByUnmarshallingXML(&re.ServiceError))
} else {
err = autorest.Respond(resp, autorest.ByUnmarshallingJSON(&re))
}
if err != nil {
return resp, err
}
err = re
if re.ServiceError != nil && re.ServiceError.Code == "MissingSubscriptionRegistration" {
regErr := register(client, r, re)
if regErr != nil {
return resp, fmt.Errorf("failed auto registering Resource Provider: %s. Original error: %w", regErr, err)
}
}
}
return resp, err
})
}
}
func getProvider(re RequestError) (string, error) {
if re.ServiceError != nil && len(re.ServiceError.Details) > 0 {
return re.ServiceError.Details[0]["target"].(string), nil
}
return "", errors.New("provider was not found in the response")
}
func register(client autorest.Client, originalReq *http.Request, re RequestError) error {
subID := getSubscription(originalReq.URL.Path)
if subID == "" {
return errors.New("missing parameter subscriptionID to register resource provider")
}
providerName, err := getProvider(re)
if err != nil {
return fmt.Errorf("missing parameter provider to register resource provider: %s", err)
}
newURL := url.URL{
Scheme: originalReq.URL.Scheme,
Host: originalReq.URL.Host,
}
// taken from the resources SDK
// with almost identical code, this sections are easier to mantain
// It is also not a good idea to import the SDK here
// https://github.com/Azure/azure-sdk-for-go/blob/9f366792afa3e0ddaecdc860e793ba9d75e76c27/arm/resources/resources/providers.go#L252
pathParameters := map[string]interface{}{
"resourceProviderNamespace": autorest.Encode("path", providerName),
"subscriptionId": autorest.Encode("path", subID),
}
const APIVersion = "2016-09-01"
queryParameters := map[string]interface{}{
"api-version": APIVersion,
}
preparer := autorest.CreatePreparer(
autorest.AsPost(),
autorest.WithBaseURL(newURL.String()),
autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/{resourceProviderNamespace}/register", pathParameters),
autorest.WithQueryParameters(queryParameters),
)
req, err := preparer.Prepare(&http.Request{})
if err != nil {
return err
}
req = req.WithContext(originalReq.Context())
resp, err := autorest.SendWithSender(client, req,
autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...),
)
if err != nil {
return err
}
type Provider struct {
RegistrationState *string `json:"registrationState,omitempty"`
}
var provider Provider
err = autorest.Respond(
resp,
WithErrorUnlessStatusCode(http.StatusOK),
autorest.ByUnmarshallingJSON(&provider),
autorest.ByClosing(),
)
if err != nil {
return err
}
// poll for registered provisioning state
registrationStartTime := time.Now()
for err == nil && (client.PollingDuration == 0 || (client.PollingDuration != 0 && time.Since(registrationStartTime) < client.PollingDuration)) {
// taken from the resources SDK
// https://github.com/Azure/azure-sdk-for-go/blob/9f366792afa3e0ddaecdc860e793ba9d75e76c27/arm/resources/resources/providers.go#L45
preparer := autorest.CreatePreparer(
autorest.AsGet(),
autorest.WithBaseURL(newURL.String()),
autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/{resourceProviderNamespace}", pathParameters),
autorest.WithQueryParameters(queryParameters),
)
req, err = preparer.Prepare(&http.Request{})
if err != nil {
return err
}
req = req.WithContext(originalReq.Context())
resp, err := autorest.SendWithSender(client, req,
autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...),
)
if err != nil {
return err
}
err = autorest.Respond(
resp,
WithErrorUnlessStatusCode(http.StatusOK),
autorest.ByUnmarshallingJSON(&provider),
autorest.ByClosing(),
)
if err != nil {
return err
}
if provider.RegistrationState != nil &&
*provider.RegistrationState == "Registered" {
break
}
delayed := autorest.DelayWithRetryAfter(resp, originalReq.Context().Done())
if !delayed && !autorest.DelayForBackoff(client.PollingDelay, 0, originalReq.Context().Done()) {
return originalReq.Context().Err()
}
}
if client.PollingDuration != 0 && !(time.Since(registrationStartTime) < client.PollingDuration) {
return errors.New("polling for resource provider registration has exceeded the polling duration")
}
return err
}
func getSubscription(path string) string {
parts := strings.Split(path, "/")
for i, v := range parts {
if v == "subscriptions" && (i+1) < len(parts) {
return parts[i+1]
}
}
return ""
}

@ -0,0 +1,328 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"crypto/tls"
"errors"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"strings"
"time"
"github.com/Azure/go-autorest/logger"
)
const (
// DefaultPollingDelay is a reasonable delay between polling requests.
DefaultPollingDelay = 30 * time.Second
// DefaultPollingDuration is a reasonable total polling duration.
DefaultPollingDuration = 15 * time.Minute
// DefaultRetryAttempts is number of attempts for retry status codes (5xx).
DefaultRetryAttempts = 3
// DefaultRetryDuration is the duration to wait between retries.
DefaultRetryDuration = 30 * time.Second
)
var (
// StatusCodesForRetry are a defined group of status code for which the client will retry
StatusCodesForRetry = []int{
http.StatusRequestTimeout, // 408
http.StatusTooManyRequests, // 429
http.StatusInternalServerError, // 500
http.StatusBadGateway, // 502
http.StatusServiceUnavailable, // 503
http.StatusGatewayTimeout, // 504
}
)
const (
requestFormat = `HTTP Request Begin ===================================================
%s
===================================================== HTTP Request End
`
responseFormat = `HTTP Response Begin ===================================================
%s
===================================================== HTTP Response End
`
)
// Response serves as the base for all responses from generated clients. It provides access to the
// last http.Response.
type Response struct {
*http.Response `json:"-"`
}
// IsHTTPStatus returns true if the returned HTTP status code matches the provided status code.
// If there was no response (i.e. the underlying http.Response is nil) the return value is false.
func (r Response) IsHTTPStatus(statusCode int) bool {
if r.Response == nil {
return false
}
return r.Response.StatusCode == statusCode
}
// HasHTTPStatus returns true if the returned HTTP status code matches one of the provided status codes.
// If there was no response (i.e. the underlying http.Response is nil) or not status codes are provided
// the return value is false.
func (r Response) HasHTTPStatus(statusCodes ...int) bool {
return ResponseHasStatusCode(r.Response, statusCodes...)
}
// LoggingInspector implements request and response inspectors that log the full request and
// response to a supplied log.
type LoggingInspector struct {
Logger *log.Logger
}
// WithInspection returns a PrepareDecorator that emits the http.Request to the supplied logger. The
// body is restored after being emitted.
//
// Note: Since it reads the entire Body, this decorator should not be used where body streaming is
// important. It is best used to trace JSON or similar body values.
func (li LoggingInspector) WithInspection() PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
var body, b bytes.Buffer
defer r.Body.Close()
r.Body = ioutil.NopCloser(io.TeeReader(r.Body, &body))
if err := r.Write(&b); err != nil {
return nil, fmt.Errorf("Failed to write response: %v", err)
}
li.Logger.Printf(requestFormat, b.String())
r.Body = ioutil.NopCloser(&body)
return p.Prepare(r)
})
}
}
// ByInspecting returns a RespondDecorator that emits the http.Response to the supplied logger. The
// body is restored after being emitted.
//
// Note: Since it reads the entire Body, this decorator should not be used where body streaming is
// important. It is best used to trace JSON or similar body values.
func (li LoggingInspector) ByInspecting() RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
var body, b bytes.Buffer
defer resp.Body.Close()
resp.Body = ioutil.NopCloser(io.TeeReader(resp.Body, &body))
if err := resp.Write(&b); err != nil {
return fmt.Errorf("Failed to write response: %v", err)
}
li.Logger.Printf(responseFormat, b.String())
resp.Body = ioutil.NopCloser(&body)
return r.Respond(resp)
})
}
}
// Client is the base for autorest generated clients. It provides default, "do nothing"
// implementations of an Authorizer, RequestInspector, and ResponseInspector. It also returns the
// standard, undecorated http.Client as a default Sender.
//
// Generated clients should also use Error (see NewError and NewErrorWithError) for errors and
// return responses that compose with Response.
//
// Most customization of generated clients is best achieved by supplying a custom Authorizer, custom
// RequestInspector, and / or custom ResponseInspector. Users may log requests, implement circuit
// breakers (see https://msdn.microsoft.com/en-us/library/dn589784.aspx) or otherwise influence
// sending the request by providing a decorated Sender.
type Client struct {
Authorizer Authorizer
Sender Sender
RequestInspector PrepareDecorator
ResponseInspector RespondDecorator
// PollingDelay sets the polling frequency used in absence of a Retry-After HTTP header
PollingDelay time.Duration
// PollingDuration sets the maximum polling time after which an error is returned.
// Setting this to zero will use the provided context to control the duration.
PollingDuration time.Duration
// RetryAttempts sets the total number of times the client will attempt to make an HTTP request.
// Set the value to 1 to disable retries. DO NOT set the value to less than 1.
RetryAttempts int
// RetryDuration sets the delay duration for retries.
RetryDuration time.Duration
// UserAgent, if not empty, will be set as the HTTP User-Agent header on all requests sent
// through the Do method.
UserAgent string
Jar http.CookieJar
// Set to true to skip attempted registration of resource providers (false by default).
SkipResourceProviderRegistration bool
// SendDecorators can be used to override the default chain of SendDecorators.
// This can be used to specify things like a custom retry SendDecorator.
// Set this to an empty slice to use no SendDecorators.
SendDecorators []SendDecorator
}
// NewClientWithUserAgent returns an instance of a Client with the UserAgent set to the passed
// string.
func NewClientWithUserAgent(ua string) Client {
return newClient(ua, tls.RenegotiateNever)
}
// ClientOptions contains various Client configuration options.
type ClientOptions struct {
// UserAgent is an optional user-agent string to append to the default user agent.
UserAgent string
// Renegotiation is an optional setting to control client-side TLS renegotiation.
Renegotiation tls.RenegotiationSupport
}
// NewClientWithOptions returns an instance of a Client with the specified values.
func NewClientWithOptions(options ClientOptions) Client {
return newClient(options.UserAgent, options.Renegotiation)
}
func newClient(ua string, renegotiation tls.RenegotiationSupport) Client {
c := Client{
PollingDelay: DefaultPollingDelay,
PollingDuration: DefaultPollingDuration,
RetryAttempts: DefaultRetryAttempts,
RetryDuration: DefaultRetryDuration,
UserAgent: UserAgent(),
}
c.Sender = c.sender(renegotiation)
c.AddToUserAgent(ua)
return c
}
// AddToUserAgent adds an extension to the current user agent
func (c *Client) AddToUserAgent(extension string) error {
if extension != "" {
c.UserAgent = fmt.Sprintf("%s %s", c.UserAgent, extension)
return nil
}
return fmt.Errorf("Extension was empty, User Agent stayed as %s", c.UserAgent)
}
// Do implements the Sender interface by invoking the active Sender after applying authorization.
// If Sender is not set, it uses a new instance of http.Client. In both cases it will, if UserAgent
// is set, apply set the User-Agent header.
func (c Client) Do(r *http.Request) (*http.Response, error) {
if r.UserAgent() == "" {
r, _ = Prepare(r,
WithUserAgent(c.UserAgent))
}
// NOTE: c.WithInspection() must be last in the list so that it can inspect all preceding operations
r, err := Prepare(r,
c.WithAuthorization(),
c.WithInspection())
if err != nil {
var resp *http.Response
if detErr, ok := err.(DetailedError); ok {
// if the authorization failed (e.g. invalid credentials) there will
// be a response associated with the error, be sure to return it.
resp = detErr.Response
}
return resp, NewErrorWithError(err, "autorest/Client", "Do", nil, "Preparing request failed")
}
logger.Instance.WriteRequest(r, logger.Filter{
Header: func(k string, v []string) (bool, []string) {
// remove the auth token from the log
if strings.EqualFold(k, "Authorization") || strings.EqualFold(k, "Ocp-Apim-Subscription-Key") {
v = []string{"**REDACTED**"}
}
return true, v
},
})
resp, err := SendWithSender(c.sender(tls.RenegotiateNever), r)
if resp == nil && err == nil {
err = errors.New("autorest: received nil response and error")
}
logger.Instance.WriteResponse(resp, logger.Filter{})
Respond(resp, c.ByInspecting())
return resp, err
}
// sender returns the Sender to which to send requests.
func (c Client) sender(renengotiation tls.RenegotiationSupport) Sender {
if c.Sender == nil {
return sender(renengotiation)
}
return c.Sender
}
// WithAuthorization is a convenience method that returns the WithAuthorization PrepareDecorator
// from the current Authorizer. If not Authorizer is set, it uses the NullAuthorizer.
func (c Client) WithAuthorization() PrepareDecorator {
return c.authorizer().WithAuthorization()
}
// authorizer returns the Authorizer to use.
func (c Client) authorizer() Authorizer {
if c.Authorizer == nil {
return NullAuthorizer{}
}
return c.Authorizer
}
// WithInspection is a convenience method that passes the request to the supplied RequestInspector,
// if present, or returns the WithNothing PrepareDecorator otherwise.
func (c Client) WithInspection() PrepareDecorator {
if c.RequestInspector == nil {
return WithNothing()
}
return c.RequestInspector
}
// ByInspecting is a convenience method that passes the response to the supplied ResponseInspector,
// if present, or returns the ByIgnoring RespondDecorator otherwise.
func (c Client) ByInspecting() RespondDecorator {
if c.ResponseInspector == nil {
return ByIgnoring()
}
return c.ResponseInspector
}
// Send sends the provided http.Request using the client's Sender or the default sender.
// It returns the http.Response and possible error. It also accepts a, possibly empty,
// default set of SendDecorators used when sending the request.
// SendDecorators have the following precedence:
// 1. In a request's context via WithSendDecorators()
// 2. Specified on the client in SendDecorators
// 3. The default values specified in this method
func (c Client) Send(req *http.Request, decorators ...SendDecorator) (*http.Response, error) {
if c.SendDecorators != nil {
decorators = c.SendDecorators
}
inCtx := req.Context().Value(ctxSendDecorators{})
if sd, ok := inCtx.([]SendDecorator); ok {
decorators = sd
}
return SendWithSender(c, req, decorators...)
}

@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
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within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
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within a display generated by the Derivative Works, if and
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of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
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You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
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the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2015 Microsoft Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

@ -0,0 +1,96 @@
/*
Package date provides time.Time derivatives that conform to the Swagger.io (https://swagger.io/)
defined date formats: Date and DateTime. Both types may, in most cases, be used in lieu of
time.Time types. And both convert to time.Time through a ToTime method.
*/
package date
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"fmt"
"time"
)
const (
fullDate = "2006-01-02"
fullDateJSON = `"2006-01-02"`
dateFormat = "%04d-%02d-%02d"
jsonFormat = `"%04d-%02d-%02d"`
)
// Date defines a type similar to time.Time but assumes a layout of RFC3339 full-date (i.e.,
// 2006-01-02).
type Date struct {
time.Time
}
// ParseDate create a new Date from the passed string.
func ParseDate(date string) (d Date, err error) {
return parseDate(date, fullDate)
}
func parseDate(date string, format string) (Date, error) {
d, err := time.Parse(format, date)
return Date{Time: d}, err
}
// MarshalBinary preserves the Date as a byte array conforming to RFC3339 full-date (i.e.,
// 2006-01-02).
func (d Date) MarshalBinary() ([]byte, error) {
return d.MarshalText()
}
// UnmarshalBinary reconstitutes a Date saved as a byte array conforming to RFC3339 full-date (i.e.,
// 2006-01-02).
func (d *Date) UnmarshalBinary(data []byte) error {
return d.UnmarshalText(data)
}
// MarshalJSON preserves the Date as a JSON string conforming to RFC3339 full-date (i.e.,
// 2006-01-02).
func (d Date) MarshalJSON() (json []byte, err error) {
return []byte(fmt.Sprintf(jsonFormat, d.Year(), d.Month(), d.Day())), nil
}
// UnmarshalJSON reconstitutes the Date from a JSON string conforming to RFC3339 full-date (i.e.,
// 2006-01-02).
func (d *Date) UnmarshalJSON(data []byte) (err error) {
d.Time, err = time.Parse(fullDateJSON, string(data))
return err
}
// MarshalText preserves the Date as a byte array conforming to RFC3339 full-date (i.e.,
// 2006-01-02).
func (d Date) MarshalText() (text []byte, err error) {
return []byte(fmt.Sprintf(dateFormat, d.Year(), d.Month(), d.Day())), nil
}
// UnmarshalText reconstitutes a Date saved as a byte array conforming to RFC3339 full-date (i.e.,
// 2006-01-02).
func (d *Date) UnmarshalText(data []byte) (err error) {
d.Time, err = time.Parse(fullDate, string(data))
return err
}
// String returns the Date formatted as an RFC3339 full-date string (i.e., 2006-01-02).
func (d Date) String() string {
return fmt.Sprintf(dateFormat, d.Year(), d.Month(), d.Day())
}
// ToTime returns a Date as a time.Time
func (d Date) ToTime() time.Time {
return d.Time
}

@ -0,0 +1,24 @@
// +build modhack
package date
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file, and the github.com/Azure/go-autorest import, won't actually become part of
// the resultant binary.
// Necessary for safely adding multi-module repo.
// See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
import _ "github.com/Azure/go-autorest"

@ -0,0 +1,103 @@
package date
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"regexp"
"time"
)
// Azure reports time in UTC but it doesn't include the 'Z' time zone suffix in some cases.
const (
azureUtcFormatJSON = `"2006-01-02T15:04:05.999999999"`
azureUtcFormat = "2006-01-02T15:04:05.999999999"
rfc3339JSON = `"` + time.RFC3339Nano + `"`
rfc3339 = time.RFC3339Nano
tzOffsetRegex = `(Z|z|\+|-)(\d+:\d+)*"*$`
)
// Time defines a type similar to time.Time but assumes a layout of RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
type Time struct {
time.Time
}
// MarshalBinary preserves the Time as a byte array conforming to RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) MarshalBinary() ([]byte, error) {
return t.Time.MarshalText()
}
// UnmarshalBinary reconstitutes a Time saved as a byte array conforming to RFC3339 date-time
// (i.e., 2006-01-02T15:04:05Z).
func (t *Time) UnmarshalBinary(data []byte) error {
return t.UnmarshalText(data)
}
// MarshalJSON preserves the Time as a JSON string conforming to RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) MarshalJSON() (json []byte, err error) {
return t.Time.MarshalJSON()
}
// UnmarshalJSON reconstitutes the Time from a JSON string conforming to RFC3339 date-time
// (i.e., 2006-01-02T15:04:05Z).
func (t *Time) UnmarshalJSON(data []byte) (err error) {
timeFormat := azureUtcFormatJSON
match, err := regexp.Match(tzOffsetRegex, data)
if err != nil {
return err
} else if match {
timeFormat = rfc3339JSON
}
t.Time, err = ParseTime(timeFormat, string(data))
return err
}
// MarshalText preserves the Time as a byte array conforming to RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) MarshalText() (text []byte, err error) {
return t.Time.MarshalText()
}
// UnmarshalText reconstitutes a Time saved as a byte array conforming to RFC3339 date-time
// (i.e., 2006-01-02T15:04:05Z).
func (t *Time) UnmarshalText(data []byte) (err error) {
timeFormat := azureUtcFormat
match, err := regexp.Match(tzOffsetRegex, data)
if err != nil {
return err
} else if match {
timeFormat = rfc3339
}
t.Time, err = ParseTime(timeFormat, string(data))
return err
}
// String returns the Time formatted as an RFC3339 date-time string (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) String() string {
// Note: time.Time.String does not return an RFC3339 compliant string, time.Time.MarshalText does.
b, err := t.MarshalText()
if err != nil {
return ""
}
return string(b)
}
// ToTime returns a Time as a time.Time
func (t Time) ToTime() time.Time {
return t.Time
}

@ -0,0 +1,100 @@
package date
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"errors"
"time"
)
const (
rfc1123JSON = `"` + time.RFC1123 + `"`
rfc1123 = time.RFC1123
)
// TimeRFC1123 defines a type similar to time.Time but assumes a layout of RFC1123 date-time (i.e.,
// Mon, 02 Jan 2006 15:04:05 MST).
type TimeRFC1123 struct {
time.Time
}
// UnmarshalJSON reconstitutes the Time from a JSON string conforming to RFC1123 date-time
// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
func (t *TimeRFC1123) UnmarshalJSON(data []byte) (err error) {
t.Time, err = ParseTime(rfc1123JSON, string(data))
if err != nil {
return err
}
return nil
}
// MarshalJSON preserves the Time as a JSON string conforming to RFC1123 date-time (i.e.,
// Mon, 02 Jan 2006 15:04:05 MST).
func (t TimeRFC1123) MarshalJSON() ([]byte, error) {
if y := t.Year(); y < 0 || y >= 10000 {
return nil, errors.New("Time.MarshalJSON: year outside of range [0,9999]")
}
b := []byte(t.Format(rfc1123JSON))
return b, nil
}
// MarshalText preserves the Time as a byte array conforming to RFC1123 date-time (i.e.,
// Mon, 02 Jan 2006 15:04:05 MST).
func (t TimeRFC1123) MarshalText() ([]byte, error) {
if y := t.Year(); y < 0 || y >= 10000 {
return nil, errors.New("Time.MarshalText: year outside of range [0,9999]")
}
b := []byte(t.Format(rfc1123))
return b, nil
}
// UnmarshalText reconstitutes a Time saved as a byte array conforming to RFC1123 date-time
// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
func (t *TimeRFC1123) UnmarshalText(data []byte) (err error) {
t.Time, err = ParseTime(rfc1123, string(data))
if err != nil {
return err
}
return nil
}
// MarshalBinary preserves the Time as a byte array conforming to RFC1123 date-time (i.e.,
// Mon, 02 Jan 2006 15:04:05 MST).
func (t TimeRFC1123) MarshalBinary() ([]byte, error) {
return t.MarshalText()
}
// UnmarshalBinary reconstitutes a Time saved as a byte array conforming to RFC1123 date-time
// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
func (t *TimeRFC1123) UnmarshalBinary(data []byte) error {
return t.UnmarshalText(data)
}
// ToTime returns a Time as a time.Time
func (t TimeRFC1123) ToTime() time.Time {
return t.Time
}
// String returns the Time formatted as an RFC1123 date-time string (i.e.,
// Mon, 02 Jan 2006 15:04:05 MST).
func (t TimeRFC1123) String() string {
// Note: time.Time.String does not return an RFC1123 compliant string, time.Time.MarshalText does.
b, err := t.MarshalText()
if err != nil {
return ""
}
return string(b)
}

@ -0,0 +1,123 @@
package date
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"encoding/binary"
"encoding/json"
"time"
)
// unixEpoch is the moment in time that should be treated as timestamp 0.
var unixEpoch = time.Date(1970, time.January, 1, 0, 0, 0, 0, time.UTC)
// UnixTime marshals and unmarshals a time that is represented as the number
// of seconds (ignoring skip-seconds) since the Unix Epoch.
type UnixTime time.Time
// Duration returns the time as a Duration since the UnixEpoch.
func (t UnixTime) Duration() time.Duration {
return time.Time(t).Sub(unixEpoch)
}
// NewUnixTimeFromSeconds creates a UnixTime as a number of seconds from the UnixEpoch.
func NewUnixTimeFromSeconds(seconds float64) UnixTime {
return NewUnixTimeFromDuration(time.Duration(seconds * float64(time.Second)))
}
// NewUnixTimeFromNanoseconds creates a UnixTime as a number of nanoseconds from the UnixEpoch.
func NewUnixTimeFromNanoseconds(nanoseconds int64) UnixTime {
return NewUnixTimeFromDuration(time.Duration(nanoseconds))
}
// NewUnixTimeFromDuration creates a UnixTime as a duration of time since the UnixEpoch.
func NewUnixTimeFromDuration(dur time.Duration) UnixTime {
return UnixTime(unixEpoch.Add(dur))
}
// UnixEpoch retreives the moment considered the Unix Epoch. I.e. The time represented by '0'
func UnixEpoch() time.Time {
return unixEpoch
}
// MarshalJSON preserves the UnixTime as a JSON number conforming to Unix Timestamp requirements.
// (i.e. the number of seconds since midnight January 1st, 1970 not considering leap seconds.)
func (t UnixTime) MarshalJSON() ([]byte, error) {
buffer := &bytes.Buffer{}
enc := json.NewEncoder(buffer)
err := enc.Encode(float64(time.Time(t).UnixNano()) / 1e9)
if err != nil {
return nil, err
}
return buffer.Bytes(), nil
}
// UnmarshalJSON reconstitures a UnixTime saved as a JSON number of the number of seconds since
// midnight January 1st, 1970.
func (t *UnixTime) UnmarshalJSON(text []byte) error {
dec := json.NewDecoder(bytes.NewReader(text))
var secondsSinceEpoch float64
if err := dec.Decode(&secondsSinceEpoch); err != nil {
return err
}
*t = NewUnixTimeFromSeconds(secondsSinceEpoch)
return nil
}
// MarshalText stores the number of seconds since the Unix Epoch as a textual floating point number.
func (t UnixTime) MarshalText() ([]byte, error) {
cast := time.Time(t)
return cast.MarshalText()
}
// UnmarshalText populates a UnixTime with a value stored textually as a floating point number of seconds since the Unix Epoch.
func (t *UnixTime) UnmarshalText(raw []byte) error {
var unmarshaled time.Time
if err := unmarshaled.UnmarshalText(raw); err != nil {
return err
}
*t = UnixTime(unmarshaled)
return nil
}
// MarshalBinary converts a UnixTime into a binary.LittleEndian float64 of nanoseconds since the epoch.
func (t UnixTime) MarshalBinary() ([]byte, error) {
buf := &bytes.Buffer{}
payload := int64(t.Duration())
if err := binary.Write(buf, binary.LittleEndian, &payload); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// UnmarshalBinary converts a from a binary.LittleEndian float64 of nanoseconds since the epoch into a UnixTime.
func (t *UnixTime) UnmarshalBinary(raw []byte) error {
var nanosecondsSinceEpoch int64
if err := binary.Read(bytes.NewReader(raw), binary.LittleEndian, &nanosecondsSinceEpoch); err != nil {
return err
}
*t = NewUnixTimeFromNanoseconds(nanosecondsSinceEpoch)
return nil
}

@ -0,0 +1,25 @@
package date
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"strings"
"time"
)
// ParseTime to parse Time string to specified format.
func ParseTime(format string, t string) (d time.Time, err error) {
return time.Parse(format, strings.ToUpper(t))
}

@ -0,0 +1,103 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"fmt"
"net/http"
)
const (
// UndefinedStatusCode is used when HTTP status code is not available for an error.
UndefinedStatusCode = 0
)
// DetailedError encloses a error with details of the package, method, and associated HTTP
// status code (if any).
type DetailedError struct {
Original error
// PackageType is the package type of the object emitting the error. For types, the value
// matches that produced the the '%T' format specifier of the fmt package. For other elements,
// such as functions, it is just the package name (e.g., "autorest").
PackageType string
// Method is the name of the method raising the error.
Method string
// StatusCode is the HTTP Response StatusCode (if non-zero) that led to the error.
StatusCode interface{}
// Message is the error message.
Message string
// Service Error is the response body of failed API in bytes
ServiceError []byte
// Response is the response object that was returned during failure if applicable.
Response *http.Response
}
// NewError creates a new Error conforming object from the passed packageType, method, and
// message. message is treated as a format string to which the optional args apply.
func NewError(packageType string, method string, message string, args ...interface{}) DetailedError {
return NewErrorWithError(nil, packageType, method, nil, message, args...)
}
// NewErrorWithResponse creates a new Error conforming object from the passed
// packageType, method, statusCode of the given resp (UndefinedStatusCode if
// resp is nil), and message. message is treated as a format string to which the
// optional args apply.
func NewErrorWithResponse(packageType string, method string, resp *http.Response, message string, args ...interface{}) DetailedError {
return NewErrorWithError(nil, packageType, method, resp, message, args...)
}
// NewErrorWithError creates a new Error conforming object from the
// passed packageType, method, statusCode of the given resp (UndefinedStatusCode
// if resp is nil), message, and original error. message is treated as a format
// string to which the optional args apply.
func NewErrorWithError(original error, packageType string, method string, resp *http.Response, message string, args ...interface{}) DetailedError {
if v, ok := original.(DetailedError); ok {
return v
}
statusCode := UndefinedStatusCode
if resp != nil {
statusCode = resp.StatusCode
}
return DetailedError{
Original: original,
PackageType: packageType,
Method: method,
StatusCode: statusCode,
Message: fmt.Sprintf(message, args...),
Response: resp,
}
}
// Error returns a formatted containing all available details (i.e., PackageType, Method,
// StatusCode, Message, and original error (if any)).
func (e DetailedError) Error() string {
if e.Original == nil {
return fmt.Sprintf("%s#%s: %s: StatusCode=%d", e.PackageType, e.Method, e.Message, e.StatusCode)
}
return fmt.Sprintf("%s#%s: %s: StatusCode=%d -- Original Error: %v", e.PackageType, e.Method, e.Message, e.StatusCode, e.Original)
}
// Unwrap returns the original error.
func (e DetailedError) Unwrap() error {
return e.Original
}

@ -0,0 +1,25 @@
//go:build modhack
// +build modhack
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file, and the github.com/Azure/go-autorest import, won't actually become part of
// the resultant binary.
// Necessary for safely adding multi-module repo.
// See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
import _ "github.com/Azure/go-autorest"

@ -0,0 +1,549 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"context"
"encoding/json"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"mime/multipart"
"net/http"
"net/url"
"strings"
)
const (
mimeTypeJSON = "application/json"
mimeTypeOctetStream = "application/octet-stream"
mimeTypeFormPost = "application/x-www-form-urlencoded"
headerAuthorization = "Authorization"
headerAuxAuthorization = "x-ms-authorization-auxiliary"
headerContentType = "Content-Type"
headerUserAgent = "User-Agent"
)
// used as a key type in context.WithValue()
type ctxPrepareDecorators struct{}
// WithPrepareDecorators adds the specified PrepareDecorators to the provided context.
// If no PrepareDecorators are provided the context is unchanged.
func WithPrepareDecorators(ctx context.Context, prepareDecorator []PrepareDecorator) context.Context {
if len(prepareDecorator) == 0 {
return ctx
}
return context.WithValue(ctx, ctxPrepareDecorators{}, prepareDecorator)
}
// GetPrepareDecorators returns the PrepareDecorators in the provided context or the provided default PrepareDecorators.
func GetPrepareDecorators(ctx context.Context, defaultPrepareDecorators ...PrepareDecorator) []PrepareDecorator {
inCtx := ctx.Value(ctxPrepareDecorators{})
if pd, ok := inCtx.([]PrepareDecorator); ok {
return pd
}
return defaultPrepareDecorators
}
// Preparer is the interface that wraps the Prepare method.
//
// Prepare accepts and possibly modifies an http.Request (e.g., adding Headers). Implementations
// must ensure to not share or hold per-invocation state since Preparers may be shared and re-used.
type Preparer interface {
Prepare(*http.Request) (*http.Request, error)
}
// PreparerFunc is a method that implements the Preparer interface.
type PreparerFunc func(*http.Request) (*http.Request, error)
// Prepare implements the Preparer interface on PreparerFunc.
func (pf PreparerFunc) Prepare(r *http.Request) (*http.Request, error) {
return pf(r)
}
// PrepareDecorator takes and possibly decorates, by wrapping, a Preparer. Decorators may affect the
// http.Request and pass it along or, first, pass the http.Request along then affect the result.
type PrepareDecorator func(Preparer) Preparer
// CreatePreparer creates, decorates, and returns a Preparer.
// Without decorators, the returned Preparer returns the passed http.Request unmodified.
// Preparers are safe to share and re-use.
func CreatePreparer(decorators ...PrepareDecorator) Preparer {
return DecoratePreparer(
Preparer(PreparerFunc(func(r *http.Request) (*http.Request, error) { return r, nil })),
decorators...)
}
// DecoratePreparer accepts a Preparer and a, possibly empty, set of PrepareDecorators, which it
// applies to the Preparer. Decorators are applied in the order received, but their affect upon the
// request depends on whether they are a pre-decorator (change the http.Request and then pass it
// along) or a post-decorator (pass the http.Request along and alter it on return).
func DecoratePreparer(p Preparer, decorators ...PrepareDecorator) Preparer {
for _, decorate := range decorators {
p = decorate(p)
}
return p
}
// Prepare accepts an http.Request and a, possibly empty, set of PrepareDecorators.
// It creates a Preparer from the decorators which it then applies to the passed http.Request.
func Prepare(r *http.Request, decorators ...PrepareDecorator) (*http.Request, error) {
if r == nil {
return nil, NewError("autorest", "Prepare", "Invoked without an http.Request")
}
return CreatePreparer(decorators...).Prepare(r)
}
// WithNothing returns a "do nothing" PrepareDecorator that makes no changes to the passed
// http.Request.
func WithNothing() PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
return p.Prepare(r)
})
}
}
// WithHeader returns a PrepareDecorator that sets the specified HTTP header of the http.Request to
// the passed value. It canonicalizes the passed header name (via http.CanonicalHeaderKey) before
// adding the header.
func WithHeader(header string, value string) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
setHeader(r, http.CanonicalHeaderKey(header), value)
}
return r, err
})
}
}
// WithHeaders returns a PrepareDecorator that sets the specified HTTP headers of the http.Request to
// the passed value. It canonicalizes the passed headers name (via http.CanonicalHeaderKey) before
// adding them.
func WithHeaders(headers map[string]interface{}) PrepareDecorator {
h := ensureValueStrings(headers)
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
if r.Header == nil {
r.Header = make(http.Header)
}
for name, value := range h {
r.Header.Set(http.CanonicalHeaderKey(name), value)
}
}
return r, err
})
}
}
// WithBearerAuthorization returns a PrepareDecorator that adds an HTTP Authorization header whose
// value is "Bearer " followed by the supplied token.
func WithBearerAuthorization(token string) PrepareDecorator {
return WithHeader(headerAuthorization, fmt.Sprintf("Bearer %s", token))
}
// AsContentType returns a PrepareDecorator that adds an HTTP Content-Type header whose value
// is the passed contentType.
func AsContentType(contentType string) PrepareDecorator {
return WithHeader(headerContentType, contentType)
}
// WithUserAgent returns a PrepareDecorator that adds an HTTP User-Agent header whose value is the
// passed string.
func WithUserAgent(ua string) PrepareDecorator {
return WithHeader(headerUserAgent, ua)
}
// AsFormURLEncoded returns a PrepareDecorator that adds an HTTP Content-Type header whose value is
// "application/x-www-form-urlencoded".
func AsFormURLEncoded() PrepareDecorator {
return AsContentType(mimeTypeFormPost)
}
// AsJSON returns a PrepareDecorator that adds an HTTP Content-Type header whose value is
// "application/json".
func AsJSON() PrepareDecorator {
return AsContentType(mimeTypeJSON)
}
// AsOctetStream returns a PrepareDecorator that adds the "application/octet-stream" Content-Type header.
func AsOctetStream() PrepareDecorator {
return AsContentType(mimeTypeOctetStream)
}
// WithMethod returns a PrepareDecorator that sets the HTTP method of the passed request. The
// decorator does not validate that the passed method string is a known HTTP method.
func WithMethod(method string) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r.Method = method
return p.Prepare(r)
})
}
}
// AsDelete returns a PrepareDecorator that sets the HTTP method to DELETE.
func AsDelete() PrepareDecorator { return WithMethod("DELETE") }
// AsGet returns a PrepareDecorator that sets the HTTP method to GET.
func AsGet() PrepareDecorator { return WithMethod("GET") }
// AsHead returns a PrepareDecorator that sets the HTTP method to HEAD.
func AsHead() PrepareDecorator { return WithMethod("HEAD") }
// AsMerge returns a PrepareDecorator that sets the HTTP method to MERGE.
func AsMerge() PrepareDecorator { return WithMethod("MERGE") }
// AsOptions returns a PrepareDecorator that sets the HTTP method to OPTIONS.
func AsOptions() PrepareDecorator { return WithMethod("OPTIONS") }
// AsPatch returns a PrepareDecorator that sets the HTTP method to PATCH.
func AsPatch() PrepareDecorator { return WithMethod("PATCH") }
// AsPost returns a PrepareDecorator that sets the HTTP method to POST.
func AsPost() PrepareDecorator { return WithMethod("POST") }
// AsPut returns a PrepareDecorator that sets the HTTP method to PUT.
func AsPut() PrepareDecorator { return WithMethod("PUT") }
// WithBaseURL returns a PrepareDecorator that populates the http.Request with a url.URL constructed
// from the supplied baseUrl. Query parameters will be encoded as required.
func WithBaseURL(baseURL string) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
var u *url.URL
if u, err = url.Parse(baseURL); err != nil {
return r, err
}
if u.Scheme == "" {
return r, fmt.Errorf("autorest: No scheme detected in URL %s", baseURL)
}
if u.RawQuery != "" {
// handle unencoded semicolons (ideally the server would send them already encoded)
u.RawQuery = strings.Replace(u.RawQuery, ";", "%3B", -1)
q, err := url.ParseQuery(u.RawQuery)
if err != nil {
return r, err
}
u.RawQuery = q.Encode()
}
r.URL = u
}
return r, err
})
}
}
// WithBytes returns a PrepareDecorator that takes a list of bytes
// which passes the bytes directly to the body
func WithBytes(input *[]byte) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
if input == nil {
return r, fmt.Errorf("Input Bytes was nil")
}
r.ContentLength = int64(len(*input))
r.Body = ioutil.NopCloser(bytes.NewReader(*input))
}
return r, err
})
}
}
// WithCustomBaseURL returns a PrepareDecorator that replaces brace-enclosed keys within the
// request base URL (i.e., http.Request.URL) with the corresponding values from the passed map.
func WithCustomBaseURL(baseURL string, urlParameters map[string]interface{}) PrepareDecorator {
parameters := ensureValueStrings(urlParameters)
for key, value := range parameters {
baseURL = strings.Replace(baseURL, "{"+key+"}", value, -1)
}
return WithBaseURL(baseURL)
}
// WithFormData returns a PrepareDecoratore that "URL encodes" (e.g., bar=baz&foo=quux) into the
// http.Request body.
func WithFormData(v url.Values) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
s := v.Encode()
setHeader(r, http.CanonicalHeaderKey(headerContentType), mimeTypeFormPost)
r.ContentLength = int64(len(s))
r.Body = ioutil.NopCloser(strings.NewReader(s))
}
return r, err
})
}
}
// WithMultiPartFormData returns a PrepareDecoratore that "URL encodes" (e.g., bar=baz&foo=quux) form parameters
// into the http.Request body.
func WithMultiPartFormData(formDataParameters map[string]interface{}) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
var body bytes.Buffer
writer := multipart.NewWriter(&body)
for key, value := range formDataParameters {
if rc, ok := value.(io.ReadCloser); ok {
var fd io.Writer
if fd, err = writer.CreateFormFile(key, key); err != nil {
return r, err
}
if _, err = io.Copy(fd, rc); err != nil {
return r, err
}
} else {
if err = writer.WriteField(key, ensureValueString(value)); err != nil {
return r, err
}
}
}
if err = writer.Close(); err != nil {
return r, err
}
setHeader(r, http.CanonicalHeaderKey(headerContentType), writer.FormDataContentType())
r.Body = ioutil.NopCloser(bytes.NewReader(body.Bytes()))
r.ContentLength = int64(body.Len())
return r, err
}
return r, err
})
}
}
// WithFile returns a PrepareDecorator that sends file in request body.
func WithFile(f io.ReadCloser) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
b, err := ioutil.ReadAll(f)
if err != nil {
return r, err
}
r.Body = ioutil.NopCloser(bytes.NewReader(b))
r.ContentLength = int64(len(b))
}
return r, err
})
}
}
// WithBool returns a PrepareDecorator that encodes the passed bool into the body of the request
// and sets the Content-Length header.
func WithBool(v bool) PrepareDecorator {
return WithString(fmt.Sprintf("%v", v))
}
// WithFloat32 returns a PrepareDecorator that encodes the passed float32 into the body of the
// request and sets the Content-Length header.
func WithFloat32(v float32) PrepareDecorator {
return WithString(fmt.Sprintf("%v", v))
}
// WithFloat64 returns a PrepareDecorator that encodes the passed float64 into the body of the
// request and sets the Content-Length header.
func WithFloat64(v float64) PrepareDecorator {
return WithString(fmt.Sprintf("%v", v))
}
// WithInt32 returns a PrepareDecorator that encodes the passed int32 into the body of the request
// and sets the Content-Length header.
func WithInt32(v int32) PrepareDecorator {
return WithString(fmt.Sprintf("%v", v))
}
// WithInt64 returns a PrepareDecorator that encodes the passed int64 into the body of the request
// and sets the Content-Length header.
func WithInt64(v int64) PrepareDecorator {
return WithString(fmt.Sprintf("%v", v))
}
// WithString returns a PrepareDecorator that encodes the passed string into the body of the request
// and sets the Content-Length header.
func WithString(v string) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
r.ContentLength = int64(len(v))
r.Body = ioutil.NopCloser(strings.NewReader(v))
}
return r, err
})
}
}
// WithJSON returns a PrepareDecorator that encodes the data passed as JSON into the body of the
// request and sets the Content-Length header.
func WithJSON(v interface{}) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
b, err := json.Marshal(v)
if err == nil {
r.ContentLength = int64(len(b))
r.Body = ioutil.NopCloser(bytes.NewReader(b))
}
}
return r, err
})
}
}
// WithXML returns a PrepareDecorator that encodes the data passed as XML into the body of the
// request and sets the Content-Length header.
func WithXML(v interface{}) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
b, err := xml.Marshal(v)
if err == nil {
// we have to tack on an XML header
withHeader := xml.Header + string(b)
bytesWithHeader := []byte(withHeader)
r.ContentLength = int64(len(bytesWithHeader))
setHeader(r, headerContentLength, fmt.Sprintf("%d", len(bytesWithHeader)))
r.Body = ioutil.NopCloser(bytes.NewReader(bytesWithHeader))
}
}
return r, err
})
}
}
// WithPath returns a PrepareDecorator that adds the supplied path to the request URL. If the path
// is absolute (that is, it begins with a "/"), it replaces the existing path.
func WithPath(path string) PrepareDecorator {
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
if r.URL == nil {
return r, NewError("autorest", "WithPath", "Invoked with a nil URL")
}
if r.URL, err = parseURL(r.URL, path); err != nil {
return r, err
}
}
return r, err
})
}
}
// WithEscapedPathParameters returns a PrepareDecorator that replaces brace-enclosed keys within the
// request path (i.e., http.Request.URL.Path) with the corresponding values from the passed map. The
// values will be escaped (aka URL encoded) before insertion into the path.
func WithEscapedPathParameters(path string, pathParameters map[string]interface{}) PrepareDecorator {
parameters := escapeValueStrings(ensureValueStrings(pathParameters))
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
if r.URL == nil {
return r, NewError("autorest", "WithEscapedPathParameters", "Invoked with a nil URL")
}
for key, value := range parameters {
path = strings.Replace(path, "{"+key+"}", value, -1)
}
if r.URL, err = parseURL(r.URL, path); err != nil {
return r, err
}
}
return r, err
})
}
}
// WithPathParameters returns a PrepareDecorator that replaces brace-enclosed keys within the
// request path (i.e., http.Request.URL.Path) with the corresponding values from the passed map.
func WithPathParameters(path string, pathParameters map[string]interface{}) PrepareDecorator {
parameters := ensureValueStrings(pathParameters)
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
if r.URL == nil {
return r, NewError("autorest", "WithPathParameters", "Invoked with a nil URL")
}
for key, value := range parameters {
path = strings.Replace(path, "{"+key+"}", value, -1)
}
if r.URL, err = parseURL(r.URL, path); err != nil {
return r, err
}
}
return r, err
})
}
}
func parseURL(u *url.URL, path string) (*url.URL, error) {
p := strings.TrimRight(u.String(), "/")
if !strings.HasPrefix(path, "/") {
path = "/" + path
}
return url.Parse(p + path)
}
// WithQueryParameters returns a PrepareDecorators that encodes and applies the query parameters
// given in the supplied map (i.e., key=value).
func WithQueryParameters(queryParameters map[string]interface{}) PrepareDecorator {
parameters := MapToValues(queryParameters)
return func(p Preparer) Preparer {
return PreparerFunc(func(r *http.Request) (*http.Request, error) {
r, err := p.Prepare(r)
if err == nil {
if r.URL == nil {
return r, NewError("autorest", "WithQueryParameters", "Invoked with a nil URL")
}
v := r.URL.Query()
for key, value := range parameters {
for i := range value {
d, err := url.QueryUnescape(value[i])
if err != nil {
return r, err
}
value[i] = d
}
v[key] = value
}
r.URL.RawQuery = v.Encode()
}
return r, err
})
}
}

@ -0,0 +1,269 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"encoding/json"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
)
// Responder is the interface that wraps the Respond method.
//
// Respond accepts and reacts to an http.Response. Implementations must ensure to not share or hold
// state since Responders may be shared and re-used.
type Responder interface {
Respond(*http.Response) error
}
// ResponderFunc is a method that implements the Responder interface.
type ResponderFunc func(*http.Response) error
// Respond implements the Responder interface on ResponderFunc.
func (rf ResponderFunc) Respond(r *http.Response) error {
return rf(r)
}
// RespondDecorator takes and possibly decorates, by wrapping, a Responder. Decorators may react to
// the http.Response and pass it along or, first, pass the http.Response along then react.
type RespondDecorator func(Responder) Responder
// CreateResponder creates, decorates, and returns a Responder. Without decorators, the returned
// Responder returns the passed http.Response unmodified. Responders may or may not be safe to share
// and re-used: It depends on the applied decorators. For example, a standard decorator that closes
// the response body is fine to share whereas a decorator that reads the body into a passed struct
// is not.
//
// To prevent memory leaks, ensure that at least one Responder closes the response body.
func CreateResponder(decorators ...RespondDecorator) Responder {
return DecorateResponder(
Responder(ResponderFunc(func(r *http.Response) error { return nil })),
decorators...)
}
// DecorateResponder accepts a Responder and a, possibly empty, set of RespondDecorators, which it
// applies to the Responder. Decorators are applied in the order received, but their affect upon the
// request depends on whether they are a pre-decorator (react to the http.Response and then pass it
// along) or a post-decorator (pass the http.Response along and then react).
func DecorateResponder(r Responder, decorators ...RespondDecorator) Responder {
for _, decorate := range decorators {
r = decorate(r)
}
return r
}
// Respond accepts an http.Response and a, possibly empty, set of RespondDecorators.
// It creates a Responder from the decorators it then applies to the passed http.Response.
func Respond(r *http.Response, decorators ...RespondDecorator) error {
if r == nil {
return nil
}
return CreateResponder(decorators...).Respond(r)
}
// ByIgnoring returns a RespondDecorator that ignores the passed http.Response passing it unexamined
// to the next RespondDecorator.
func ByIgnoring() RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
return r.Respond(resp)
})
}
}
// ByCopying copies the contents of the http.Response Body into the passed bytes.Buffer as
// the Body is read.
func ByCopying(b *bytes.Buffer) RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err == nil && resp != nil && resp.Body != nil {
resp.Body = TeeReadCloser(resp.Body, b)
}
return err
})
}
}
// ByDiscardingBody returns a RespondDecorator that first invokes the passed Responder after which
// it copies the remaining bytes (if any) in the response body to ioutil.Discard. Since the passed
// Responder is invoked prior to discarding the response body, the decorator may occur anywhere
// within the set.
func ByDiscardingBody() RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err == nil && resp != nil && resp.Body != nil {
if _, err := io.Copy(ioutil.Discard, resp.Body); err != nil {
return fmt.Errorf("Error discarding the response body: %v", err)
}
}
return err
})
}
}
// ByClosing returns a RespondDecorator that first invokes the passed Responder after which it
// closes the response body. Since the passed Responder is invoked prior to closing the response
// body, the decorator may occur anywhere within the set.
func ByClosing() RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if resp != nil && resp.Body != nil {
if err := resp.Body.Close(); err != nil {
return fmt.Errorf("Error closing the response body: %v", err)
}
}
return err
})
}
}
// ByClosingIfError returns a RespondDecorator that first invokes the passed Responder after which
// it closes the response if the passed Responder returns an error and the response body exists.
func ByClosingIfError() RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err != nil && resp != nil && resp.Body != nil {
if err := resp.Body.Close(); err != nil {
return fmt.Errorf("Error closing the response body: %v", err)
}
}
return err
})
}
}
// ByUnmarshallingBytes returns a RespondDecorator that copies the Bytes returned in the
// response Body into the value pointed to by v.
func ByUnmarshallingBytes(v *[]byte) RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err == nil {
bytes, errInner := ioutil.ReadAll(resp.Body)
if errInner != nil {
err = fmt.Errorf("Error occurred reading http.Response#Body - Error = '%v'", errInner)
} else {
*v = bytes
}
}
return err
})
}
}
// ByUnmarshallingJSON returns a RespondDecorator that decodes a JSON document returned in the
// response Body into the value pointed to by v.
func ByUnmarshallingJSON(v interface{}) RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err == nil {
b, errInner := ioutil.ReadAll(resp.Body)
// Some responses might include a BOM, remove for successful unmarshalling
b = bytes.TrimPrefix(b, []byte("\xef\xbb\xbf"))
if errInner != nil {
err = fmt.Errorf("Error occurred reading http.Response#Body - Error = '%v'", errInner)
} else if len(strings.Trim(string(b), " ")) > 0 {
errInner = json.Unmarshal(b, v)
if errInner != nil {
err = fmt.Errorf("Error occurred unmarshalling JSON - Error = '%v' JSON = '%s'", errInner, string(b))
}
}
}
return err
})
}
}
// ByUnmarshallingXML returns a RespondDecorator that decodes a XML document returned in the
// response Body into the value pointed to by v.
func ByUnmarshallingXML(v interface{}) RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err == nil {
b, errInner := ioutil.ReadAll(resp.Body)
if errInner != nil {
err = fmt.Errorf("Error occurred reading http.Response#Body - Error = '%v'", errInner)
} else {
errInner = xml.Unmarshal(b, v)
if errInner != nil {
err = fmt.Errorf("Error occurred unmarshalling Xml - Error = '%v' Xml = '%s'", errInner, string(b))
}
}
}
return err
})
}
}
// WithErrorUnlessStatusCode returns a RespondDecorator that emits an error unless the response
// StatusCode is among the set passed. On error, response body is fully read into a buffer and
// presented in the returned error, as well as in the response body.
func WithErrorUnlessStatusCode(codes ...int) RespondDecorator {
return func(r Responder) Responder {
return ResponderFunc(func(resp *http.Response) error {
err := r.Respond(resp)
if err == nil && !ResponseHasStatusCode(resp, codes...) {
derr := NewErrorWithResponse("autorest", "WithErrorUnlessStatusCode", resp, "%v %v failed with %s",
resp.Request.Method,
resp.Request.URL,
resp.Status)
if resp.Body != nil {
defer resp.Body.Close()
b, _ := ioutil.ReadAll(resp.Body)
derr.ServiceError = b
resp.Body = ioutil.NopCloser(bytes.NewReader(b))
}
err = derr
}
return err
})
}
}
// WithErrorUnlessOK returns a RespondDecorator that emits an error if the response StatusCode is
// anything other than HTTP 200.
func WithErrorUnlessOK() RespondDecorator {
return WithErrorUnlessStatusCode(http.StatusOK)
}
// ExtractHeader extracts all values of the specified header from the http.Response. It returns an
// empty string slice if the passed http.Response is nil or the header does not exist.
func ExtractHeader(header string, resp *http.Response) []string {
if resp != nil && resp.Header != nil {
return resp.Header[http.CanonicalHeaderKey(header)]
}
return nil
}
// ExtractHeaderValue extracts the first value of the specified header from the http.Response. It
// returns an empty string if the passed http.Response is nil or the header does not exist.
func ExtractHeaderValue(header string, resp *http.Response) string {
h := ExtractHeader(header, resp)
if len(h) > 0 {
return h[0]
}
return ""
}

@ -0,0 +1,52 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"io"
"io/ioutil"
"net/http"
)
// NewRetriableRequest returns a wrapper around an HTTP request that support retry logic.
func NewRetriableRequest(req *http.Request) *RetriableRequest {
return &RetriableRequest{req: req}
}
// Request returns the wrapped HTTP request.
func (rr *RetriableRequest) Request() *http.Request {
return rr.req
}
func (rr *RetriableRequest) prepareFromByteReader() (err error) {
// fall back to making a copy (only do this once)
b := []byte{}
if rr.req.ContentLength > 0 {
b = make([]byte, rr.req.ContentLength)
_, err = io.ReadFull(rr.req.Body, b)
if err != nil {
return err
}
} else {
b, err = ioutil.ReadAll(rr.req.Body)
if err != nil {
return err
}
}
rr.br = bytes.NewReader(b)
rr.req.Body = ioutil.NopCloser(rr.br)
return err
}

@ -0,0 +1,55 @@
//go:build !go1.8
// +build !go1.8
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package autorest
import (
"bytes"
"io/ioutil"
"net/http"
)
// RetriableRequest provides facilities for retrying an HTTP request.
type RetriableRequest struct {
req *http.Request
br *bytes.Reader
}
// Prepare signals that the request is about to be sent.
func (rr *RetriableRequest) Prepare() (err error) {
// preserve the request body; this is to support retry logic as
// the underlying transport will always close the reqeust body
if rr.req.Body != nil {
if rr.br != nil {
_, err = rr.br.Seek(0, 0 /*io.SeekStart*/)
rr.req.Body = ioutil.NopCloser(rr.br)
}
if err != nil {
return err
}
if rr.br == nil {
// fall back to making a copy (only do this once)
err = rr.prepareFromByteReader()
}
}
return err
}
func removeRequestBody(req *http.Request) {
req.Body = nil
req.ContentLength = 0
}

@ -0,0 +1,67 @@
//go:build go1.8
// +build go1.8
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package autorest
import (
"bytes"
"io"
"io/ioutil"
"net/http"
)
// RetriableRequest provides facilities for retrying an HTTP request.
type RetriableRequest struct {
req *http.Request
rc io.ReadCloser
br *bytes.Reader
}
// Prepare signals that the request is about to be sent.
func (rr *RetriableRequest) Prepare() (err error) {
// preserve the request body; this is to support retry logic as
// the underlying transport will always close the reqeust body
if rr.req.Body != nil {
if rr.rc != nil {
rr.req.Body = rr.rc
} else if rr.br != nil {
_, err = rr.br.Seek(0, io.SeekStart)
rr.req.Body = ioutil.NopCloser(rr.br)
}
if err != nil {
return err
}
if rr.req.GetBody != nil {
// this will allow us to preserve the body without having to
// make a copy. note we need to do this on each iteration
rr.rc, err = rr.req.GetBody()
if err != nil {
return err
}
} else if rr.br == nil {
// fall back to making a copy (only do this once)
err = rr.prepareFromByteReader()
}
}
return err
}
func removeRequestBody(req *http.Request) {
req.Body = nil
req.GetBody = nil
req.ContentLength = 0
}

@ -0,0 +1,458 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"context"
"crypto/tls"
"fmt"
"log"
"math"
"net"
"net/http"
"net/http/cookiejar"
"strconv"
"sync"
"time"
"github.com/Azure/go-autorest/logger"
"github.com/Azure/go-autorest/tracing"
)
// there is one sender per TLS renegotiation type, i.e. count of tls.RenegotiationSupport enums
const defaultSendersCount = 3
type defaultSender struct {
sender Sender
init *sync.Once
}
// each type of sender will be created on demand in sender()
var defaultSenders [defaultSendersCount]defaultSender
func init() {
for i := 0; i < defaultSendersCount; i++ {
defaultSenders[i].init = &sync.Once{}
}
}
// used as a key type in context.WithValue()
type ctxSendDecorators struct{}
// WithSendDecorators adds the specified SendDecorators to the provided context.
// If no SendDecorators are provided the context is unchanged.
func WithSendDecorators(ctx context.Context, sendDecorator []SendDecorator) context.Context {
if len(sendDecorator) == 0 {
return ctx
}
return context.WithValue(ctx, ctxSendDecorators{}, sendDecorator)
}
// GetSendDecorators returns the SendDecorators in the provided context or the provided default SendDecorators.
func GetSendDecorators(ctx context.Context, defaultSendDecorators ...SendDecorator) []SendDecorator {
inCtx := ctx.Value(ctxSendDecorators{})
if sd, ok := inCtx.([]SendDecorator); ok {
return sd
}
return defaultSendDecorators
}
// Sender is the interface that wraps the Do method to send HTTP requests.
//
// The standard http.Client conforms to this interface.
type Sender interface {
Do(*http.Request) (*http.Response, error)
}
// SenderFunc is a method that implements the Sender interface.
type SenderFunc func(*http.Request) (*http.Response, error)
// Do implements the Sender interface on SenderFunc.
func (sf SenderFunc) Do(r *http.Request) (*http.Response, error) {
return sf(r)
}
// SendDecorator takes and possibly decorates, by wrapping, a Sender. Decorators may affect the
// http.Request and pass it along or, first, pass the http.Request along then react to the
// http.Response result.
type SendDecorator func(Sender) Sender
// CreateSender creates, decorates, and returns, as a Sender, the default http.Client.
func CreateSender(decorators ...SendDecorator) Sender {
return DecorateSender(sender(tls.RenegotiateNever), decorators...)
}
// DecorateSender accepts a Sender and a, possibly empty, set of SendDecorators, which is applies to
// the Sender. Decorators are applied in the order received, but their affect upon the request
// depends on whether they are a pre-decorator (change the http.Request and then pass it along) or a
// post-decorator (pass the http.Request along and react to the results in http.Response).
func DecorateSender(s Sender, decorators ...SendDecorator) Sender {
for _, decorate := range decorators {
s = decorate(s)
}
return s
}
// Send sends, by means of the default http.Client, the passed http.Request, returning the
// http.Response and possible error. It also accepts a, possibly empty, set of SendDecorators which
// it will apply the http.Client before invoking the Do method.
//
// Send is a convenience method and not recommended for production. Advanced users should use
// SendWithSender, passing and sharing their own Sender (e.g., instance of http.Client).
//
// Send will not poll or retry requests.
func Send(r *http.Request, decorators ...SendDecorator) (*http.Response, error) {
return SendWithSender(sender(tls.RenegotiateNever), r, decorators...)
}
// SendWithSender sends the passed http.Request, through the provided Sender, returning the
// http.Response and possible error. It also accepts a, possibly empty, set of SendDecorators which
// it will apply the http.Client before invoking the Do method.
//
// SendWithSender will not poll or retry requests.
func SendWithSender(s Sender, r *http.Request, decorators ...SendDecorator) (*http.Response, error) {
return DecorateSender(s, decorators...).Do(r)
}
func sender(renengotiation tls.RenegotiationSupport) Sender {
// note that we can't init defaultSenders in init() since it will
// execute before calling code has had a chance to enable tracing
defaultSenders[renengotiation].init.Do(func() {
// copied from http.DefaultTransport with a TLS minimum version.
transport := &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).DialContext,
ForceAttemptHTTP2: true,
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
TLSClientConfig: &tls.Config{
MinVersion: tls.VersionTLS12,
Renegotiation: renengotiation,
},
}
var roundTripper http.RoundTripper = transport
if tracing.IsEnabled() {
roundTripper = tracing.NewTransport(transport)
}
j, _ := cookiejar.New(nil)
defaultSenders[renengotiation].sender = &http.Client{Jar: j, Transport: roundTripper}
})
return defaultSenders[renengotiation].sender
}
// AfterDelay returns a SendDecorator that delays for the passed time.Duration before
// invoking the Sender. The delay may be terminated by closing the optional channel on the
// http.Request. If canceled, no further Senders are invoked.
func AfterDelay(d time.Duration) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
if !DelayForBackoff(d, 0, r.Context().Done()) {
return nil, fmt.Errorf("autorest: AfterDelay canceled before full delay")
}
return s.Do(r)
})
}
}
// AsIs returns a SendDecorator that invokes the passed Sender without modifying the http.Request.
func AsIs() SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
return s.Do(r)
})
}
}
// DoCloseIfError returns a SendDecorator that first invokes the passed Sender after which
// it closes the response if the passed Sender returns an error and the response body exists.
func DoCloseIfError() SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
resp, err := s.Do(r)
if err != nil {
Respond(resp, ByDiscardingBody(), ByClosing())
}
return resp, err
})
}
}
// DoErrorIfStatusCode returns a SendDecorator that emits an error if the response StatusCode is
// among the set passed. Since these are artificial errors, the response body may still require
// closing.
func DoErrorIfStatusCode(codes ...int) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
resp, err := s.Do(r)
if err == nil && ResponseHasStatusCode(resp, codes...) {
err = NewErrorWithResponse("autorest", "DoErrorIfStatusCode", resp, "%v %v failed with %s",
resp.Request.Method,
resp.Request.URL,
resp.Status)
}
return resp, err
})
}
}
// DoErrorUnlessStatusCode returns a SendDecorator that emits an error unless the response
// StatusCode is among the set passed. Since these are artificial errors, the response body
// may still require closing.
func DoErrorUnlessStatusCode(codes ...int) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
resp, err := s.Do(r)
if err == nil && !ResponseHasStatusCode(resp, codes...) {
err = NewErrorWithResponse("autorest", "DoErrorUnlessStatusCode", resp, "%v %v failed with %s",
resp.Request.Method,
resp.Request.URL,
resp.Status)
}
return resp, err
})
}
}
// DoPollForStatusCodes returns a SendDecorator that polls if the http.Response contains one of the
// passed status codes. It expects the http.Response to contain a Location header providing the
// URL at which to poll (using GET) and will poll until the time passed is equal to or greater than
// the supplied duration. It will delay between requests for the duration specified in the
// RetryAfter header or, if the header is absent, the passed delay. Polling may be canceled by
// closing the optional channel on the http.Request.
func DoPollForStatusCodes(duration time.Duration, delay time.Duration, codes ...int) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
resp, err = s.Do(r)
if err == nil && ResponseHasStatusCode(resp, codes...) {
r, err = NewPollingRequestWithContext(r.Context(), resp)
for err == nil && ResponseHasStatusCode(resp, codes...) {
Respond(resp,
ByDiscardingBody(),
ByClosing())
resp, err = SendWithSender(s, r,
AfterDelay(GetRetryAfter(resp, delay)))
}
}
return resp, err
})
}
}
// DoRetryForAttempts returns a SendDecorator that retries a failed request for up to the specified
// number of attempts, exponentially backing off between requests using the supplied backoff
// time.Duration (which may be zero). Retrying may be canceled by closing the optional channel on
// the http.Request.
func DoRetryForAttempts(attempts int, backoff time.Duration) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
rr := NewRetriableRequest(r)
for attempt := 0; attempt < attempts; attempt++ {
err = rr.Prepare()
if err != nil {
return resp, err
}
DrainResponseBody(resp)
resp, err = s.Do(rr.Request())
if err == nil {
return resp, err
}
logger.Instance.Writef(logger.LogError, "DoRetryForAttempts: received error for attempt %d: %v\n", attempt+1, err)
if !DelayForBackoff(backoff, attempt, r.Context().Done()) {
return nil, r.Context().Err()
}
}
return resp, err
})
}
}
// Count429AsRetry indicates that a 429 response should be included as a retry attempt.
var Count429AsRetry = true
// Max429Delay is the maximum duration to wait between retries on a 429 if no Retry-After header was received.
var Max429Delay time.Duration
// DoRetryForStatusCodes returns a SendDecorator that retries for specified statusCodes for up to the specified
// number of attempts, exponentially backing off between requests using the supplied backoff
// time.Duration (which may be zero). Retrying may be canceled by cancelling the context on the http.Request.
// NOTE: Code http.StatusTooManyRequests (429) will *not* be counted against the number of attempts.
func DoRetryForStatusCodes(attempts int, backoff time.Duration, codes ...int) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
return doRetryForStatusCodesImpl(s, r, Count429AsRetry, attempts, backoff, 0, codes...)
})
}
}
// DoRetryForStatusCodesWithCap returns a SendDecorator that retries for specified statusCodes for up to the
// specified number of attempts, exponentially backing off between requests using the supplied backoff
// time.Duration (which may be zero). To cap the maximum possible delay between iterations specify a value greater
// than zero for cap. Retrying may be canceled by cancelling the context on the http.Request.
func DoRetryForStatusCodesWithCap(attempts int, backoff, cap time.Duration, codes ...int) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
return doRetryForStatusCodesImpl(s, r, Count429AsRetry, attempts, backoff, cap, codes...)
})
}
}
func doRetryForStatusCodesImpl(s Sender, r *http.Request, count429 bool, attempts int, backoff, cap time.Duration, codes ...int) (resp *http.Response, err error) {
rr := NewRetriableRequest(r)
// Increment to add the first call (attempts denotes number of retries)
for attempt, delayCount := 0, 0; attempt < attempts+1; {
err = rr.Prepare()
if err != nil {
return
}
DrainResponseBody(resp)
resp, err = s.Do(rr.Request())
// we want to retry if err is not nil (e.g. transient network failure). note that for failed authentication
// resp and err will both have a value, so in this case we don't want to retry as it will never succeed.
if err == nil && !ResponseHasStatusCode(resp, codes...) || IsTokenRefreshError(err) {
return resp, err
}
if err != nil {
logger.Instance.Writef(logger.LogError, "DoRetryForStatusCodes: received error for attempt %d: %v\n", attempt+1, err)
}
delayed := DelayWithRetryAfter(resp, r.Context().Done())
// if this was a 429 set the delay cap as specified.
// applicable only in the absence of a retry-after header.
if resp != nil && resp.StatusCode == http.StatusTooManyRequests {
cap = Max429Delay
}
if !delayed && !DelayForBackoffWithCap(backoff, cap, delayCount, r.Context().Done()) {
return resp, r.Context().Err()
}
// when count429 == false don't count a 429 against the number
// of attempts so that we continue to retry until it succeeds
if count429 || (resp == nil || resp.StatusCode != http.StatusTooManyRequests) {
attempt++
}
// delay count is tracked separately from attempts to
// ensure that 429 participates in exponential back-off
delayCount++
}
return resp, err
}
// DelayWithRetryAfter invokes time.After for the duration specified in the "Retry-After" header.
// The value of Retry-After can be either the number of seconds or a date in RFC1123 format.
// The function returns true after successfully waiting for the specified duration. If there is
// no Retry-After header or the wait is cancelled the return value is false.
func DelayWithRetryAfter(resp *http.Response, cancel <-chan struct{}) bool {
if resp == nil {
return false
}
var dur time.Duration
ra := resp.Header.Get("Retry-After")
if retryAfter, _ := strconv.Atoi(ra); retryAfter > 0 {
dur = time.Duration(retryAfter) * time.Second
} else if t, err := time.Parse(time.RFC1123, ra); err == nil {
dur = t.Sub(time.Now())
}
if dur > 0 {
select {
case <-time.After(dur):
return true
case <-cancel:
return false
}
}
return false
}
// DoRetryForDuration returns a SendDecorator that retries the request until the total time is equal
// to or greater than the specified duration, exponentially backing off between requests using the
// supplied backoff time.Duration (which may be zero). Retrying may be canceled by closing the
// optional channel on the http.Request.
func DoRetryForDuration(d time.Duration, backoff time.Duration) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (resp *http.Response, err error) {
rr := NewRetriableRequest(r)
end := time.Now().Add(d)
for attempt := 0; time.Now().Before(end); attempt++ {
err = rr.Prepare()
if err != nil {
return resp, err
}
DrainResponseBody(resp)
resp, err = s.Do(rr.Request())
if err == nil {
return resp, err
}
logger.Instance.Writef(logger.LogError, "DoRetryForDuration: received error for attempt %d: %v\n", attempt+1, err)
if !DelayForBackoff(backoff, attempt, r.Context().Done()) {
return nil, r.Context().Err()
}
}
return resp, err
})
}
}
// WithLogging returns a SendDecorator that implements simple before and after logging of the
// request.
func WithLogging(logger *log.Logger) SendDecorator {
return func(s Sender) Sender {
return SenderFunc(func(r *http.Request) (*http.Response, error) {
logger.Printf("Sending %s %s", r.Method, r.URL)
resp, err := s.Do(r)
if err != nil {
logger.Printf("%s %s received error '%v'", r.Method, r.URL, err)
} else {
logger.Printf("%s %s received %s", r.Method, r.URL, resp.Status)
}
return resp, err
})
}
}
// DelayForBackoff invokes time.After for the supplied backoff duration raised to the power of
// passed attempt (i.e., an exponential backoff delay). Backoff duration is in seconds and can set
// to zero for no delay. The delay may be canceled by closing the passed channel. If terminated early,
// returns false.
// Note: Passing attempt 1 will result in doubling "backoff" duration. Treat this as a zero-based attempt
// count.
func DelayForBackoff(backoff time.Duration, attempt int, cancel <-chan struct{}) bool {
return DelayForBackoffWithCap(backoff, 0, attempt, cancel)
}
// DelayForBackoffWithCap invokes time.After for the supplied backoff duration raised to the power of
// passed attempt (i.e., an exponential backoff delay). Backoff duration is in seconds and can set
// to zero for no delay. To cap the maximum possible delay specify a value greater than zero for cap.
// The delay may be canceled by closing the passed channel. If terminated early, returns false.
// Note: Passing attempt 1 will result in doubling "backoff" duration. Treat this as a zero-based attempt
// count.
func DelayForBackoffWithCap(backoff, cap time.Duration, attempt int, cancel <-chan struct{}) bool {
d := time.Duration(backoff.Seconds()*math.Pow(2, float64(attempt))) * time.Second
if cap > 0 && d > cap {
d = cap
}
logger.Instance.Writef(logger.LogInfo, "DelayForBackoffWithCap: sleeping for %s\n", d)
select {
case <-time.After(d):
return true
case <-cancel:
return false
}
}

@ -0,0 +1,232 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"encoding/json"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"net/url"
"reflect"
"strings"
)
// EncodedAs is a series of constants specifying various data encodings
type EncodedAs string
const (
// EncodedAsJSON states that data is encoded as JSON
EncodedAsJSON EncodedAs = "JSON"
// EncodedAsXML states that data is encoded as Xml
EncodedAsXML EncodedAs = "XML"
)
// Decoder defines the decoding method json.Decoder and xml.Decoder share
type Decoder interface {
Decode(v interface{}) error
}
// NewDecoder creates a new decoder appropriate to the passed encoding.
// encodedAs specifies the type of encoding and r supplies the io.Reader containing the
// encoded data.
func NewDecoder(encodedAs EncodedAs, r io.Reader) Decoder {
if encodedAs == EncodedAsJSON {
return json.NewDecoder(r)
} else if encodedAs == EncodedAsXML {
return xml.NewDecoder(r)
}
return nil
}
// CopyAndDecode decodes the data from the passed io.Reader while making a copy. Having a copy
// is especially useful if there is a chance the data will fail to decode.
// encodedAs specifies the expected encoding, r provides the io.Reader to the data, and v
// is the decoding destination.
func CopyAndDecode(encodedAs EncodedAs, r io.Reader, v interface{}) (bytes.Buffer, error) {
b := bytes.Buffer{}
return b, NewDecoder(encodedAs, io.TeeReader(r, &b)).Decode(v)
}
// TeeReadCloser returns a ReadCloser that writes to w what it reads from rc.
// It utilizes io.TeeReader to copy the data read and has the same behavior when reading.
// Further, when it is closed, it ensures that rc is closed as well.
func TeeReadCloser(rc io.ReadCloser, w io.Writer) io.ReadCloser {
return &teeReadCloser{rc, io.TeeReader(rc, w)}
}
type teeReadCloser struct {
rc io.ReadCloser
r io.Reader
}
func (t *teeReadCloser) Read(p []byte) (int, error) {
return t.r.Read(p)
}
func (t *teeReadCloser) Close() error {
return t.rc.Close()
}
func containsInt(ints []int, n int) bool {
for _, i := range ints {
if i == n {
return true
}
}
return false
}
func escapeValueStrings(m map[string]string) map[string]string {
for key, value := range m {
m[key] = url.QueryEscape(value)
}
return m
}
func ensureValueStrings(mapOfInterface map[string]interface{}) map[string]string {
mapOfStrings := make(map[string]string)
for key, value := range mapOfInterface {
mapOfStrings[key] = ensureValueString(value)
}
return mapOfStrings
}
func ensureValueString(value interface{}) string {
if value == nil {
return ""
}
switch v := value.(type) {
case string:
return v
case []byte:
return string(v)
default:
return fmt.Sprintf("%v", v)
}
}
// MapToValues method converts map[string]interface{} to url.Values.
func MapToValues(m map[string]interface{}) url.Values {
v := url.Values{}
for key, value := range m {
x := reflect.ValueOf(value)
if x.Kind() == reflect.Array || x.Kind() == reflect.Slice {
for i := 0; i < x.Len(); i++ {
v.Add(key, ensureValueString(x.Index(i)))
}
} else {
v.Add(key, ensureValueString(value))
}
}
return v
}
// AsStringSlice method converts interface{} to []string.
// s must be of type slice or array or an error is returned.
// Each element of s will be converted to its string representation.
func AsStringSlice(s interface{}) ([]string, error) {
v := reflect.ValueOf(s)
if v.Kind() != reflect.Slice && v.Kind() != reflect.Array {
return nil, NewError("autorest", "AsStringSlice", "the value's type is not a slice or array.")
}
stringSlice := make([]string, 0, v.Len())
for i := 0; i < v.Len(); i++ {
stringSlice = append(stringSlice, fmt.Sprintf("%v", v.Index(i)))
}
return stringSlice, nil
}
// String method converts interface v to string. If interface is a list, it
// joins list elements using the separator. Note that only sep[0] will be used for
// joining if any separator is specified.
func String(v interface{}, sep ...string) string {
if len(sep) == 0 {
return ensureValueString(v)
}
stringSlice, ok := v.([]string)
if ok == false {
var err error
stringSlice, err = AsStringSlice(v)
if err != nil {
panic(fmt.Sprintf("autorest: Couldn't convert value to a string %s.", err))
}
}
return ensureValueString(strings.Join(stringSlice, sep[0]))
}
// Encode method encodes url path and query parameters.
func Encode(location string, v interface{}, sep ...string) string {
s := String(v, sep...)
switch strings.ToLower(location) {
case "path":
return pathEscape(s)
case "query":
return queryEscape(s)
default:
return s
}
}
func pathEscape(s string) string {
return strings.Replace(url.QueryEscape(s), "+", "%20", -1)
}
func queryEscape(s string) string {
return url.QueryEscape(s)
}
// ChangeToGet turns the specified http.Request into a GET (it assumes it wasn't).
// This is mainly useful for long-running operations that use the Azure-AsyncOperation
// header, so we change the initial PUT into a GET to retrieve the final result.
func ChangeToGet(req *http.Request) *http.Request {
req.Method = "GET"
req.Body = nil
req.ContentLength = 0
req.Header.Del("Content-Length")
return req
}
// IsTemporaryNetworkError returns true if the specified error is a temporary network error or false
// if it's not. If the error doesn't implement the net.Error interface the return value is true.
func IsTemporaryNetworkError(err error) bool {
if netErr, ok := err.(net.Error); !ok || (ok && netErr.Temporary()) {
return true
}
return false
}
// DrainResponseBody reads the response body then closes it.
func DrainResponseBody(resp *http.Response) error {
if resp != nil && resp.Body != nil {
_, err := io.Copy(ioutil.Discard, resp.Body)
resp.Body.Close()
return err
}
return nil
}
func setHeader(r *http.Request, key, value string) {
if r.Header == nil {
r.Header = make(http.Header)
}
r.Header.Set(key, value)
}

@ -0,0 +1,30 @@
//go:build go1.13
// +build go1.13
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package autorest
import (
"errors"
"github.com/Azure/go-autorest/autorest/adal"
)
// IsTokenRefreshError returns true if the specified error implements the TokenRefreshError interface.
func IsTokenRefreshError(err error) bool {
var tre adal.TokenRefreshError
return errors.As(err, &tre)
}

@ -0,0 +1,32 @@
//go:build !go1.13
// +build !go1.13
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package autorest
import "github.com/Azure/go-autorest/autorest/adal"
// IsTokenRefreshError returns true if the specified error implements the TokenRefreshError
// interface. If err is a DetailedError it will walk the chain of Original errors.
func IsTokenRefreshError(err error) bool {
if _, ok := err.(adal.TokenRefreshError); ok {
return true
}
if de, ok := err.(DetailedError); ok {
return IsTokenRefreshError(de.Original)
}
return false
}

@ -0,0 +1,41 @@
package autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"fmt"
"runtime"
)
const number = "v14.2.1"
var (
userAgent = fmt.Sprintf("Go/%s (%s-%s) go-autorest/%s",
runtime.Version(),
runtime.GOARCH,
runtime.GOOS,
number,
)
)
// UserAgent returns a string containing the Go version, system architecture and OS, and the go-autorest version.
func UserAgent() string {
return userAgent
}
// Version returns the semantic version (see http://semver.org).
func Version() string {
return number
}

@ -0,0 +1,105 @@
variables:
GOPATH: '$(system.defaultWorkingDirectory)/work'
sdkPath: '$(GOPATH)/src/github.com/$(build.repository.name)'
jobs:
- job: 'goautorest'
displayName: 'Run go-autorest CI Checks'
strategy:
matrix:
Linux_Go113:
vm.image: 'ubuntu-18.04'
go.version: '1.13'
Linux_Go114:
vm.image: 'ubuntu-18.04'
go.version: '1.14'
pool:
vmImage: '$(vm.image)'
steps:
- task: GoTool@0
inputs:
version: '$(go.version)'
displayName: "Select Go Version"
- script: |
set -e
mkdir -p '$(GOPATH)/bin'
mkdir -p '$(sdkPath)'
shopt -s extglob
mv !(work) '$(sdkPath)'
echo '##vso[task.prependpath]$(GOPATH)/bin'
displayName: 'Create Go Workspace'
- script: |
set -e
curl -sSL https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
dep ensure -v
go install ./vendor/golang.org/x/lint/golint
go get github.com/jstemmer/go-junit-report
go get github.com/axw/gocov/gocov
go get github.com/AlekSi/gocov-xml
go get -u github.com/matm/gocov-html
workingDirectory: '$(sdkPath)'
displayName: 'Install Dependencies'
- script: |
go vet ./autorest/...
go vet ./logger/...
go vet ./tracing/...
workingDirectory: '$(sdkPath)'
displayName: 'Vet'
- script: |
go build -v ./autorest/...
go build -v ./logger/...
go build -v ./tracing/...
workingDirectory: '$(sdkPath)'
displayName: 'Build'
- script: |
set -e
go test -race -v -coverprofile=coverage.txt -covermode atomic ./autorest/... ./logger/... ./tracing/... 2>&1 | go-junit-report > report.xml
gocov convert coverage.txt > coverage.json
gocov-xml < coverage.json > coverage.xml
gocov-html < coverage.json > coverage.html
workingDirectory: '$(sdkPath)'
displayName: 'Run Tests'
- script: grep -L -r --include *.go --exclude-dir vendor -P "Copyright (\d{4}|\(c\)) Microsoft" ./ | tee >&2
workingDirectory: '$(sdkPath)'
displayName: 'Copyright Header Check'
failOnStderr: true
condition: succeededOrFailed()
- script: |
gofmt -s -l -w ./autorest/. >&2
gofmt -s -l -w ./logger/. >&2
gofmt -s -l -w ./tracing/. >&2
workingDirectory: '$(sdkPath)'
displayName: 'Format Check'
failOnStderr: true
condition: succeededOrFailed()
- script: |
golint ./autorest/... >&2
golint ./logger/... >&2
golint ./tracing/... >&2
workingDirectory: '$(sdkPath)'
displayName: 'Linter Check'
failOnStderr: true
condition: succeededOrFailed()
- task: PublishTestResults@2
inputs:
testRunner: JUnit
testResultsFiles: $(sdkPath)/report.xml
failTaskOnFailedTests: true
- task: PublishCodeCoverageResults@1
inputs:
codeCoverageTool: Cobertura
summaryFileLocation: $(sdkPath)/coverage.xml
additionalCodeCoverageFiles: $(sdkPath)/coverage.html

@ -0,0 +1,18 @@
/*
Package go-autorest provides an HTTP request client for use with Autorest-generated API client packages.
*/
package go_autorest
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2015 Microsoft Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

@ -0,0 +1,24 @@
// +build modhack
package logger
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file, and the github.com/Azure/go-autorest import, won't actually become part of
// the resultant binary.
// Necessary for safely adding multi-module repo.
// See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
import _ "github.com/Azure/go-autorest"

@ -0,0 +1,337 @@
package logger
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"strings"
"sync"
"time"
)
// LevelType tells a logger the minimum level to log. When code reports a log entry,
// the LogLevel indicates the level of the log entry. The logger only records entries
// whose level is at least the level it was told to log. See the Log* constants.
// For example, if a logger is configured with LogError, then LogError, LogPanic,
// and LogFatal entries will be logged; lower level entries are ignored.
type LevelType uint32
const (
// LogNone tells a logger not to log any entries passed to it.
LogNone LevelType = iota
// LogFatal tells a logger to log all LogFatal entries passed to it.
LogFatal
// LogPanic tells a logger to log all LogPanic and LogFatal entries passed to it.
LogPanic
// LogError tells a logger to log all LogError, LogPanic and LogFatal entries passed to it.
LogError
// LogWarning tells a logger to log all LogWarning, LogError, LogPanic and LogFatal entries passed to it.
LogWarning
// LogInfo tells a logger to log all LogInfo, LogWarning, LogError, LogPanic and LogFatal entries passed to it.
LogInfo
// LogDebug tells a logger to log all LogDebug, LogInfo, LogWarning, LogError, LogPanic and LogFatal entries passed to it.
LogDebug
// LogAuth is a special case of LogDebug, it tells a logger to also log the body of an authentication request and response.
// NOTE: this can disclose sensitive information, use with care.
LogAuth
)
const (
logNone = "NONE"
logFatal = "FATAL"
logPanic = "PANIC"
logError = "ERROR"
logWarning = "WARNING"
logInfo = "INFO"
logDebug = "DEBUG"
logAuth = "AUTH"
logUnknown = "UNKNOWN"
)
// ParseLevel converts the specified string into the corresponding LevelType.
func ParseLevel(s string) (lt LevelType, err error) {
switch strings.ToUpper(s) {
case logFatal:
lt = LogFatal
case logPanic:
lt = LogPanic
case logError:
lt = LogError
case logWarning:
lt = LogWarning
case logInfo:
lt = LogInfo
case logDebug:
lt = LogDebug
case logAuth:
lt = LogAuth
default:
err = fmt.Errorf("bad log level '%s'", s)
}
return
}
// String implements the stringer interface for LevelType.
func (lt LevelType) String() string {
switch lt {
case LogNone:
return logNone
case LogFatal:
return logFatal
case LogPanic:
return logPanic
case LogError:
return logError
case LogWarning:
return logWarning
case LogInfo:
return logInfo
case LogDebug:
return logDebug
case LogAuth:
return logAuth
default:
return logUnknown
}
}
// Filter defines functions for filtering HTTP request/response content.
type Filter struct {
// URL returns a potentially modified string representation of a request URL.
URL func(u *url.URL) string
// Header returns a potentially modified set of values for the specified key.
// To completely exclude the header key/values return false.
Header func(key string, val []string) (bool, []string)
// Body returns a potentially modified request/response body.
Body func(b []byte) []byte
}
func (f Filter) processURL(u *url.URL) string {
if f.URL == nil {
return u.String()
}
return f.URL(u)
}
func (f Filter) processHeader(k string, val []string) (bool, []string) {
if f.Header == nil {
return true, val
}
return f.Header(k, val)
}
func (f Filter) processBody(b []byte) []byte {
if f.Body == nil {
return b
}
return f.Body(b)
}
// Writer defines methods for writing to a logging facility.
type Writer interface {
// Writeln writes the specified message with the standard log entry header and new-line character.
Writeln(level LevelType, message string)
// Writef writes the specified format specifier with the standard log entry header and no new-line character.
Writef(level LevelType, format string, a ...interface{})
// WriteRequest writes the specified HTTP request to the logger if the log level is greater than
// or equal to LogInfo. The request body, if set, is logged at level LogDebug or higher.
// Custom filters can be specified to exclude URL, header, and/or body content from the log.
// By default no request content is excluded.
WriteRequest(req *http.Request, filter Filter)
// WriteResponse writes the specified HTTP response to the logger if the log level is greater than
// or equal to LogInfo. The response body, if set, is logged at level LogDebug or higher.
// Custom filters can be specified to exclude URL, header, and/or body content from the log.
// By default no response content is excluded.
WriteResponse(resp *http.Response, filter Filter)
}
// Instance is the default log writer initialized during package init.
// This can be replaced with a custom implementation as required.
var Instance Writer
// default log level
var logLevel = LogNone
// Level returns the value specified in AZURE_GO_AUTOREST_LOG_LEVEL.
// If no value was specified the default value is LogNone.
// Custom loggers can call this to retrieve the configured log level.
func Level() LevelType {
return logLevel
}
func init() {
// separated for testing purposes
initDefaultLogger()
}
func initDefaultLogger() {
// init with nilLogger so callers don't have to do a nil check on Default
Instance = nilLogger{}
llStr := strings.ToLower(os.Getenv("AZURE_GO_SDK_LOG_LEVEL"))
if llStr == "" {
return
}
var err error
logLevel, err = ParseLevel(llStr)
if err != nil {
fmt.Fprintf(os.Stderr, "go-autorest: failed to parse log level: %s\n", err.Error())
return
}
if logLevel == LogNone {
return
}
// default to stderr
dest := os.Stderr
lfStr := os.Getenv("AZURE_GO_SDK_LOG_FILE")
if strings.EqualFold(lfStr, "stdout") {
dest = os.Stdout
} else if lfStr != "" {
lf, err := os.Create(lfStr)
if err == nil {
dest = lf
} else {
fmt.Fprintf(os.Stderr, "go-autorest: failed to create log file, using stderr: %s\n", err.Error())
}
}
Instance = fileLogger{
logLevel: logLevel,
mu: &sync.Mutex{},
logFile: dest,
}
}
// the nil logger does nothing
type nilLogger struct{}
func (nilLogger) Writeln(LevelType, string) {}
func (nilLogger) Writef(LevelType, string, ...interface{}) {}
func (nilLogger) WriteRequest(*http.Request, Filter) {}
func (nilLogger) WriteResponse(*http.Response, Filter) {}
// A File is used instead of a Logger so the stream can be flushed after every write.
type fileLogger struct {
logLevel LevelType
mu *sync.Mutex // for synchronizing writes to logFile
logFile *os.File
}
func (fl fileLogger) Writeln(level LevelType, message string) {
fl.Writef(level, "%s\n", message)
}
func (fl fileLogger) Writef(level LevelType, format string, a ...interface{}) {
if fl.logLevel >= level {
fl.mu.Lock()
defer fl.mu.Unlock()
fmt.Fprintf(fl.logFile, "%s %s", entryHeader(level), fmt.Sprintf(format, a...))
fl.logFile.Sync()
}
}
func (fl fileLogger) WriteRequest(req *http.Request, filter Filter) {
if req == nil || fl.logLevel < LogInfo {
return
}
b := &bytes.Buffer{}
fmt.Fprintf(b, "%s REQUEST: %s %s\n", entryHeader(LogInfo), req.Method, filter.processURL(req.URL))
// dump headers
for k, v := range req.Header {
if ok, mv := filter.processHeader(k, v); ok {
fmt.Fprintf(b, "%s: %s\n", k, strings.Join(mv, ","))
}
}
if fl.shouldLogBody(req.Header, req.Body) {
// dump body
body, err := ioutil.ReadAll(req.Body)
if err == nil {
fmt.Fprintln(b, string(filter.processBody(body)))
if nc, ok := req.Body.(io.Seeker); ok {
// rewind to the beginning
nc.Seek(0, io.SeekStart)
} else {
// recreate the body
req.Body = ioutil.NopCloser(bytes.NewReader(body))
}
} else {
fmt.Fprintf(b, "failed to read body: %v\n", err)
}
}
fl.mu.Lock()
defer fl.mu.Unlock()
fmt.Fprint(fl.logFile, b.String())
fl.logFile.Sync()
}
func (fl fileLogger) WriteResponse(resp *http.Response, filter Filter) {
if resp == nil || fl.logLevel < LogInfo {
return
}
b := &bytes.Buffer{}
fmt.Fprintf(b, "%s RESPONSE: %d %s\n", entryHeader(LogInfo), resp.StatusCode, filter.processURL(resp.Request.URL))
// dump headers
for k, v := range resp.Header {
if ok, mv := filter.processHeader(k, v); ok {
fmt.Fprintf(b, "%s: %s\n", k, strings.Join(mv, ","))
}
}
if fl.shouldLogBody(resp.Header, resp.Body) {
// dump body
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err == nil {
fmt.Fprintln(b, string(filter.processBody(body)))
resp.Body = ioutil.NopCloser(bytes.NewReader(body))
} else {
fmt.Fprintf(b, "failed to read body: %v\n", err)
}
}
fl.mu.Lock()
defer fl.mu.Unlock()
fmt.Fprint(fl.logFile, b.String())
fl.logFile.Sync()
}
// returns true if the provided body should be included in the log
func (fl fileLogger) shouldLogBody(header http.Header, body io.ReadCloser) bool {
ct := header.Get("Content-Type")
return fl.logLevel >= LogDebug && body != nil && !strings.Contains(ct, "application/octet-stream")
}
// creates standard header for log entries, it contains a timestamp and the log level
func entryHeader(level LevelType) string {
// this format provides a fixed number of digits so the size of the timestamp is constant
return fmt.Sprintf("(%s) %s:", time.Now().Format("2006-01-02T15:04:05.0000000Z07:00"), level.String())
}

@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
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Copyright 2015 Microsoft Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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Unless required by applicable law or agreed to in writing, software
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limitations under the License.

@ -0,0 +1,24 @@
// +build modhack
package tracing
// Copyright 2017 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file, and the github.com/Azure/go-autorest import, won't actually become part of
// the resultant binary.
// Necessary for safely adding multi-module repo.
// See: https://github.com/golang/go/wiki/Modules#is-it-possible-to-add-a-module-to-a-multi-module-repository
import _ "github.com/Azure/go-autorest"

@ -0,0 +1,67 @@
package tracing
// Copyright 2018 Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import (
"context"
"net/http"
)
// Tracer represents an HTTP tracing facility.
type Tracer interface {
NewTransport(base *http.Transport) http.RoundTripper
StartSpan(ctx context.Context, name string) context.Context
EndSpan(ctx context.Context, httpStatusCode int, err error)
}
var (
tracer Tracer
)
// Register will register the provided Tracer. Pass nil to unregister a Tracer.
func Register(t Tracer) {
tracer = t
}
// IsEnabled returns true if a Tracer has been registered.
func IsEnabled() bool {
return tracer != nil
}
// NewTransport creates a new instrumenting http.RoundTripper for the
// registered Tracer. If no Tracer has been registered it returns nil.
func NewTransport(base *http.Transport) http.RoundTripper {
if tracer != nil {
return tracer.NewTransport(base)
}
return nil
}
// StartSpan starts a trace span with the specified name, associating it with the
// provided context. Has no effect if a Tracer has not been registered.
func StartSpan(ctx context.Context, name string) context.Context {
if tracer != nil {
return tracer.StartSpan(ctx, name)
}
return ctx
}
// EndSpan ends a previously started span stored in the context.
// Has no effect if a Tracer has not been registered.
func EndSpan(ctx context.Context, httpStatusCode int, err error) {
if tracer != nil {
tracer.EndSpan(ctx, httpStatusCode, err)
}
}

@ -0,0 +1,5 @@
*.sublime-*
.DS_Store
*.swp
*.swo
tags

@ -0,0 +1,12 @@
language: go
go:
- 1.4.x
- 1.5.x
- 1.6.x
- 1.7.x
- 1.8.x
- 1.9.x
- "1.10.x"
- "1.11.x"
- tip

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