57 lines
2.0 KiB
Go
57 lines
2.0 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes 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 dryrun
|
|
|
|
import (
|
|
"k8s.io/apimachinery/pkg/api/errors"
|
|
"k8s.io/apimachinery/pkg/api/meta"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
)
|
|
|
|
// IsDryRun returns true if the DryRun flag is an actual dry-run.
|
|
func IsDryRun(flag []string) bool {
|
|
return len(flag) > 0
|
|
}
|
|
|
|
// ResetMetadata resets metadata fields that are not allowed to be set by dry-run.
|
|
func ResetMetadata(originalObj, newObj runtime.Object) error {
|
|
originalObjMeta, err := meta.Accessor(originalObj)
|
|
if err != nil {
|
|
return errors.NewInternalError(err)
|
|
}
|
|
newObjMeta, err := meta.Accessor(newObj)
|
|
if err != nil {
|
|
return errors.NewInternalError(err)
|
|
}
|
|
// If a resource is created with dry-run enabled where generateName is set, the
|
|
// store will set the name to the generated name. We need to reset the name and restore
|
|
// the generateName metadata fields in order for the returned object to match the intent
|
|
// of the original template.
|
|
if originalObjMeta.GetGenerateName() != "" {
|
|
newObjMeta.SetName("")
|
|
}
|
|
newObjMeta.SetGenerateName(originalObjMeta.GetGenerateName())
|
|
// If UID is set in the dry-run output then that output cannot be used to create a resource. Reset
|
|
// the UID to allow the output to be used to create resources.
|
|
newObjMeta.SetUID("")
|
|
// If the resourceVersion is set in the dry-run output then that output cannot be used to create
|
|
// a resource. Reset the resourceVersion to allow the output to be used to create resources.
|
|
newObjMeta.SetResourceVersion("")
|
|
|
|
return nil
|
|
}
|