92 lines
3.6 KiB
Go
92 lines
3.6 KiB
Go
/*
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Copyright 2024 The Karmada 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 detector
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import (
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
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"github.com/karmada-io/karmada/pkg/util"
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)
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var (
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propagationPolicyClaimLabels = []string{
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policyv1alpha1.PropagationPolicyPermanentIDLabel,
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}
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propagationPolicyClaimAnnotations = []string{
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policyv1alpha1.PropagationPolicyNamespaceAnnotation,
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policyv1alpha1.PropagationPolicyNameAnnotation,
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}
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clusterPropagationPolicyClaimLabels = []string{
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policyv1alpha1.ClusterPropagationPolicyPermanentIDLabel,
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}
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clusterPropagationPolicyClaimAnnotations = []string{
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policyv1alpha1.ClusterPropagationPolicyAnnotation,
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}
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)
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// AddPPClaimMetadata adds PropagationPolicy claim metadata, such as labels and annotations
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func AddPPClaimMetadata(obj metav1.Object, policyID string, policyMeta metav1.ObjectMeta) {
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util.MergeLabel(obj, policyv1alpha1.PropagationPolicyPermanentIDLabel, policyID)
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objectAnnotations := obj.GetAnnotations()
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if objectAnnotations == nil {
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objectAnnotations = make(map[string]string)
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}
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objectAnnotations[policyv1alpha1.PropagationPolicyNamespaceAnnotation] = policyMeta.GetNamespace()
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objectAnnotations[policyv1alpha1.PropagationPolicyNameAnnotation] = policyMeta.GetName()
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obj.SetAnnotations(objectAnnotations)
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}
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// AddCPPClaimMetadata adds ClusterPropagationPolicy claim metadata, such as labels and annotations
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func AddCPPClaimMetadata(obj metav1.Object, policyID string, policyMeta metav1.ObjectMeta) {
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util.MergeLabel(obj, policyv1alpha1.ClusterPropagationPolicyPermanentIDLabel, policyID)
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objectAnnotations := obj.GetAnnotations()
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if objectAnnotations == nil {
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objectAnnotations = make(map[string]string)
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}
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objectAnnotations[policyv1alpha1.ClusterPropagationPolicyAnnotation] = policyMeta.GetName()
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obj.SetAnnotations(objectAnnotations)
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}
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// CleanupPPClaimMetadata removes PropagationPolicy claim metadata, such as labels and annotations
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func CleanupPPClaimMetadata(obj metav1.Object) {
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util.RemoveLabels(obj, propagationPolicyClaimLabels...)
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util.RemoveAnnotations(obj, propagationPolicyClaimAnnotations...)
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}
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// CleanupCPPClaimMetadata removes ClusterPropagationPolicy claim metadata, such as labels and annotations
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func CleanupCPPClaimMetadata(obj metav1.Object) {
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util.RemoveLabels(obj, clusterPropagationPolicyClaimLabels...)
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util.RemoveAnnotations(obj, clusterPropagationPolicyClaimAnnotations...)
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}
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// NeedCleanupClaimMetadata determines whether the object's claim metadata needs to be cleaned up.
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// We need to ensure that the claim metadata being deleted belong to the current PropagationPolicy/ClusterPropagationPolicy,
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// otherwise, there is a risk of mistakenly deleting the ones belonging to another PropagationPolicy/ClusterPropagationPolicy.
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// This situation could occur during the rapid deletion and creation of PropagationPolicy(s)/ClusterPropagationPolicy(s).
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// More info can refer to https://github.com/karmada-io/karmada/issues/5307.
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func NeedCleanupClaimMetadata(obj metav1.Object, targetClaimMetadata map[string]string) bool {
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for k, v := range targetClaimMetadata {
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if obj.GetLabels()[k] != v {
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return false
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}
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}
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return true
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}
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