mirror of https://github.com/helm/helm
Ville Aikas
9 years ago
parent
9654e63d19
commit
9777e72692
@ -0,0 +1,4 @@
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resources:
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- name: cassandra
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type: github.com/helm/charts/cassandra
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properties: null
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@ -0,0 +1,120 @@
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/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package registry
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import (
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"log"
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"strings"
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"github.com/google/go-github/github"
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)
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// GithubPackageRegistry implements the Registry interface that talks to github and
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// expects packages in helm format without versioning and no qualifier in the path.
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// Format of the directory for a type is like so:
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// package/
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// Chart.yaml
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// manifests/
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// foo.yaml
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// bar.yaml
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// ...
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type GithubPackageRegistry struct {
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owner string
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repository string
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client *github.Client
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}
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// NewGithubRegistry creates a Registry that can be used to talk to github.
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func NewGithubPackageRegistry(owner, repository string) *GithubPackageRegistry {
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return &GithubPackageRegistry{
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owner: owner,
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repository: repository,
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client: github.NewClient(nil),
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}
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}
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// List the types from the Registry.
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// TODO(vaikas): Figure out how the versions work here.
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func (g *GithubPackageRegistry) List() ([]Type, error) {
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// Just list all the types at the top level.
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types, err := g.getDirs("")
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if err != nil {
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log.Printf("Failed to list templates: %v", err)
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return nil, err
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}
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var retTypes []Type
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for _, t := range types {
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// Check to see if there's a Chart.yaml file in the directory
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_, dc, _, err := g.client.Repositories.GetContents(g.owner, g.repository, t, nil)
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if err != nil {
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log.Printf("Failed to list package files at path: %s: %v", t, err)
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return nil, err
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}
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for _, f := range dc {
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if *f.Type == "file" && *f.Name == "Chart.yaml" {
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retTypes = append(retTypes, Type{Name: t})
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}
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}
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}
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return retTypes, nil
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}
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// GetURLs fetches the download URLs for a given Type.
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func (g *GithubPackageRegistry) GetURLs(t Type) ([]string, error) {
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path, err := g.MakeRepositoryPath(t)
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if err != nil {
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return []string{}, err
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}
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_, dc, _, err := g.client.Repositories.GetContents(g.owner, g.repository, path, nil)
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if err != nil {
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log.Printf("Failed to list package files at path: %s: %v", path, err)
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return []string{}, err
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}
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downloadURLs := []string{}
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for _, f := range dc {
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if *f.Type == "file" {
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if strings.HasSuffix(*f.Name, ".yaml") {
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downloadURLs = append(downloadURLs, *f.DownloadURL)
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}
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}
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}
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return downloadURLs, nil
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}
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func (g *GithubPackageRegistry) getDirs(dir string) ([]string, error) {
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_, dc, _, err := g.client.Repositories.GetContents(g.owner, g.repository, dir, nil)
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if err != nil {
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log.Printf("Failed to get contents at path: %s: %v", dir, err)
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return nil, err
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}
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var dirs []string
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for _, entry := range dc {
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if *entry.Type == "dir" {
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dirs = append(dirs, *entry.Name)
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}
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}
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return dirs, nil
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}
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// MakeRepositoryPath constructs a github path to a given type based on a repository, and type name.
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// The returned repository path will be of the form:
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// Type.Name/manifests
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func (g *GithubPackageRegistry) MakeRepositoryPath(t Type) (string, error) {
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// Construct the return path
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return t.Name + "/manifests", nil
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}
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@ -0,0 +1,44 @@
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/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"fmt"
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"time"
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"github.com/ghodss/yaml"
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"github.com/kubernetes/deployment-manager/common"
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)
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func ParseKubernetesObject(object []byte) (*common.Resource, error) {
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o := &common.KubernetesObject{}
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if err := yaml.Unmarshal(object, &o); err != nil {
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return nil, fmt.Errorf("cannot unmarshal native kubernetes object (%#v)", err)
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}
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// Ok, it appears to be a valid object, create a Resource out of it.
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r := &common.Resource{}
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r.Name = getRandomName(o.Metadata["name"].(string))
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r.Type = o.Kind
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r.Properties = make(map[string]interface{})
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if err := yaml.Unmarshal(object, &r.Properties); err != nil {
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return nil, fmt.Errorf("cannot unmarshal native kubernetes object (%#v)", err)
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}
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return r, nil
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}
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func getRandomName(prefix string) string {
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return fmt.Sprintf("%s-%d", prefix, time.Now().UTC().UnixNano())
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}
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@ -0,0 +1,164 @@
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/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"fmt"
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"reflect"
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"testing"
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"github.com/ghodss/yaml"
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"github.com/kubernetes/deployment-manager/common"
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)
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var serviceInput = `
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kind: "Service"
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apiVersion: "v1"
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metadata:
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name: "mock"
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labels:
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app: "mock"
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spec:
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ports:
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-
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protocol: "TCP"
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port: 99
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targetPort: 9949
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selector:
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app: "mock"
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`
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var serviceExpected = `
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name: mock
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type: Service
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properties:
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kind: "Service"
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apiVersion: "v1"
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metadata:
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name: "mock"
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labels:
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app: "mock"
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spec:
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ports:
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-
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protocol: "TCP"
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port: 99
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targetPort: 9949
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selector:
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app: "mock"
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`
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var rcInput = `
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kind: "ReplicationController"
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apiVersion: "v1"
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metadata:
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name: "mockname"
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labels:
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app: "mockapp"
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foo: "bar"
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spec:
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replicas: 1
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selector:
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app: "mockapp"
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template:
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metadata:
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labels:
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app: "mocklabel"
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spec:
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containers:
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-
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name: "mock-container"
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image: "kubernetes/pause"
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ports:
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-
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containerPort: 9949
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protocol: "TCP"
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-
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containerPort: 9949
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protocol: "TCP"
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`
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var rcExpected = `
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name: mockname
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type: ReplicationController
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properties:
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kind: "ReplicationController"
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apiVersion: "v1"
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metadata:
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name: "mockname"
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labels:
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app: "mockapp"
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foo: "bar"
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spec:
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replicas: 1
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selector:
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app: "mockapp"
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template:
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metadata:
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labels:
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app: "mocklabel"
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spec:
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containers:
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-
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name: "mock-container"
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image: "kubernetes/pause"
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ports:
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-
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containerPort: 9949
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protocol: "TCP"
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-
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containerPort: 9949
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protocol: "TCP"
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`
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func unmarshalResource(t *testing.T, object []byte) (*common.Resource, error) {
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r := &common.Resource{}
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if err := yaml.Unmarshal([]byte(object), &r); err != nil {
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t.Errorf("cannot unmarshal test object (%#v)", err)
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return nil, err
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}
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return r, nil
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}
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func testConversion(t *testing.T, object []byte, expected []byte) {
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e, err := unmarshalResource(t, expected)
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if err != nil {
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t.Fatalf("Failed to unmarshal expected Resource: %v", err)
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}
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result, err := ParseKubernetesObject(object)
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if err != nil {
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t.Fatalf("ParseKubernetesObject failed: %v")
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}
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// Since the object name gets created on the fly, we have to rejigger the returned object
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// slightly to make sure the DeepEqual works as expected.
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// First validate the name matches the expected format.
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var i int
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format := e.Name + "-%d"
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count, err := fmt.Sscanf(result.Name, format, &i)
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if err != nil || count != 1 {
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t.Errorf("Name is not as expected, wanted of the form %s got %s", format, result.Name)
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}
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e.Name = result.Name
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if !reflect.DeepEqual(result, e) {
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t.Errorf("expected %+v but found %+v", e, result)
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}
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}
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func TestSimple(t *testing.T) {
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testConversion(t, []byte(rcInput), []byte(rcExpected))
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testConversion(t, []byte(serviceInput), []byte(serviceExpected))
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}
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Loading…
Reference in new issue