mirror of https://github.com/k3s-io/k3s
55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
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/*
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Copyright 2016 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 garbagecollector
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import (
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"encoding/json"
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"fmt"
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"strings"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/pkg/controller/garbagecollector/metaonly"
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)
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func deleteOwnerRefPatch(dependentUID types.UID, ownerUIDs ...types.UID) []byte {
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var pieces []string
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for _, ownerUID := range ownerUIDs {
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pieces = append(pieces, fmt.Sprintf(`{"$patch":"delete","uid":"%s"}`, ownerUID))
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}
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patch := fmt.Sprintf(`{"metadata":{"ownerReferences":[%s],"uid":"%s"}}`, strings.Join(pieces, ","), dependentUID)
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return []byte(patch)
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}
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// generate a patch that unsets the BlockOwnerDeletion field of all
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// ownerReferences of node.
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func (n *node) patchToUnblockOwnerReferences() ([]byte, error) {
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var dummy metaonly.MetadataOnlyObject
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var blockingRefs []metav1.OwnerReference
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falseVar := false
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for _, owner := range n.owners {
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if owner.BlockOwnerDeletion != nil && *owner.BlockOwnerDeletion {
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ref := owner
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ref.BlockOwnerDeletion = &falseVar
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blockingRefs = append(blockingRefs, ref)
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}
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}
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dummy.ObjectMeta.SetOwnerReferences(blockingRefs)
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dummy.ObjectMeta.UID = n.identity.UID
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return json.Marshal(dummy)
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}
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