mirror of https://github.com/helm/helm
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
107 lines
2.7 KiB
107 lines
2.7 KiB
/*
|
|
Copyright The Helm Authors.
|
|
|
|
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 rules // import "helm.sh/helm/v3/pkg/lint/rules"
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
"k8s.io/apiserver/pkg/endpoints/deprecation"
|
|
kscheme "k8s.io/client-go/kubernetes/scheme"
|
|
|
|
"helm.sh/helm/v3/pkg/chartutil"
|
|
)
|
|
|
|
var (
|
|
// This should be set in the Makefile based on the version of client-go being imported.
|
|
// These constants will be overwritten with LDFLAGS. The version components must be
|
|
// strings in order for LDFLAGS to set them.
|
|
k8sVersionMajor = "1"
|
|
k8sVersionMinor = "20"
|
|
)
|
|
|
|
// deprecatedAPIError indicates than an API is deprecated in Kubernetes
|
|
type deprecatedAPIError struct {
|
|
Deprecated string
|
|
Message string
|
|
}
|
|
|
|
func (e deprecatedAPIError) Error() string {
|
|
msg := e.Message
|
|
return msg
|
|
}
|
|
|
|
func validateNoDeprecations(resource *K8sYamlStruct, kubeVersion *chartutil.KubeVersion) error {
|
|
// if `resource` does not have an APIVersion or Kind, we cannot test it for deprecation
|
|
if resource.APIVersion == "" {
|
|
return nil
|
|
}
|
|
if resource.Kind == "" {
|
|
return nil
|
|
}
|
|
|
|
majorVersion := k8sVersionMajor
|
|
minorVersion := k8sVersionMinor
|
|
|
|
if kubeVersion != nil {
|
|
majorVersion = kubeVersion.Major
|
|
minorVersion = kubeVersion.Minor
|
|
}
|
|
|
|
runtimeObject, err := resourceToRuntimeObject(resource)
|
|
if err != nil {
|
|
// do not error for non-kubernetes resources
|
|
if runtime.IsNotRegisteredError(err) {
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
maj, err := strconv.Atoi(majorVersion)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
min, err := strconv.Atoi(minorVersion)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if !deprecation.IsDeprecated(runtimeObject, maj, min) {
|
|
return nil
|
|
}
|
|
gvk := fmt.Sprintf("%s %s", resource.APIVersion, resource.Kind)
|
|
return deprecatedAPIError{
|
|
Deprecated: gvk,
|
|
Message: deprecation.WarningMessage(runtimeObject),
|
|
}
|
|
}
|
|
|
|
func resourceToRuntimeObject(resource *K8sYamlStruct) (runtime.Object, error) {
|
|
scheme := runtime.NewScheme()
|
|
kscheme.AddToScheme(scheme)
|
|
|
|
gvk := schema.FromAPIVersionAndKind(resource.APIVersion, resource.Kind)
|
|
out, err := scheme.New(gvk)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
out.GetObjectKind().SetGroupVersionKind(gvk)
|
|
return out, nil
|
|
}
|