mirror of
https://github.com/rocky-linux/peridot.git
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66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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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 v1
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import (
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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// IsControlledBy checks if the object has a controllerRef set to the given owner
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func IsControlledBy(obj Object, owner Object) bool {
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ref := GetControllerOfNoCopy(obj)
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if ref == nil {
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return false
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}
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return ref.UID == owner.GetUID()
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}
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// GetControllerOf returns a pointer to a copy of the controllerRef if controllee has a controller
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func GetControllerOf(controllee Object) *OwnerReference {
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ref := GetControllerOfNoCopy(controllee)
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if ref == nil {
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return nil
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}
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cp := *ref
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return &cp
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}
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// GetControllerOf returns a pointer to the controllerRef if controllee has a controller
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func GetControllerOfNoCopy(controllee Object) *OwnerReference {
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refs := controllee.GetOwnerReferences()
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for i := range refs {
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if refs[i].Controller != nil && *refs[i].Controller {
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return &refs[i]
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}
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}
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return nil
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}
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// NewControllerRef creates an OwnerReference pointing to the given owner.
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func NewControllerRef(owner Object, gvk schema.GroupVersionKind) *OwnerReference {
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blockOwnerDeletion := true
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isController := true
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return &OwnerReference{
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APIVersion: gvk.GroupVersion().String(),
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Kind: gvk.Kind,
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Name: owner.GetName(),
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UID: owner.GetUID(),
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BlockOwnerDeletion: &blockOwnerDeletion,
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Controller: &isController,
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}
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}
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