mirror of https://github.com/k3s-io/k3s
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
|
/*
|
||
|
|
Copyright 2017 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 rbac
|
||
|
|
|
||
|
|
import (
|
||
|
|
"reflect"
|
||
|
|
|
||
|
|
"k8s.io/apimachinery/pkg/api/meta"
|
||
|
|
"k8s.io/apimachinery/pkg/conversion"
|
||
|
|
"k8s.io/apimachinery/pkg/runtime"
|
||
|
|
)
|
||
|
|
|
||
|
|
// IsOnlyMutatingGCFields checks finalizers and ownerrefs which GC manipulates
|
||
|
|
// and indicates that only those fields are changing
|
||
|
|
func IsOnlyMutatingGCFields(obj, old runtime.Object, equalities conversion.Equalities) bool {
|
||
|
|
if old == nil || reflect.ValueOf(old).IsNil() {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
// make a copy of the newObj so that we can stomp for comparison
|
||
|
|
copied := obj.DeepCopyObject()
|
||
|
|
copiedMeta, err := meta.Accessor(copied)
|
||
|
|
if err != nil {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
oldMeta, err := meta.Accessor(old)
|
||
|
|
if err != nil {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
copiedMeta.SetOwnerReferences(oldMeta.GetOwnerReferences())
|
||
|
|
copiedMeta.SetFinalizers(oldMeta.GetFinalizers())
|
||
|
|
copiedMeta.SetSelfLink(oldMeta.GetSelfLink())
|
||
|
|
|
||
|
|
return equalities.DeepEqual(copied, old)
|
||
|
|
}
|