54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
/*
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Copyright 2021 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 util
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import (
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"context"
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coordinationv1 "k8s.io/api/coordination/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/client"
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clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
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)
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// SetLeaseOwnerFunc helps construct a newLeasePostProcessFunc which sets
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// a cluster OwnerReference to the given lease object.
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func SetLeaseOwnerFunc(c client.Client, clusterName string) func(lease *coordinationv1.Lease) error {
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return func(lease *coordinationv1.Lease) error {
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// Try to set owner reference every time when renewing the lease if it is not set, until successful.
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if len(lease.OwnerReferences) == 0 {
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clusterObj := &clusterv1alpha1.Cluster{}
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if err := c.Get(context.TODO(), client.ObjectKey{Name: clusterName}, clusterObj); err == nil {
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lease.OwnerReferences = []metav1.OwnerReference{
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{
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APIVersion: clusterObj.APIVersion,
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Kind: clusterObj.Kind,
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Name: clusterName,
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UID: clusterObj.UID,
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},
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}
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} else {
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klog.Errorf("Failed to get cluster %q when trying to set owner ref to the cluster lease: %v", clusterName, err)
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return err
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}
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}
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return nil
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}
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}
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