forked from github/multus-cni
ae4a28b689
Multus community decide that multus support the Kubernetes that Kubernetes community supports, so changed vendor code to the oldest version of currently supported.
56 lines
1.9 KiB
Go
56 lines
1.9 KiB
Go
/*
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Copyright 2020 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 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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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/klog/v2"
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)
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// SetNodeOwnerFunc helps construct a newLeasePostProcessFunc which sets
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// a node OwnerReference to the given lease object
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func SetNodeOwnerFunc(c clientset.Interface, nodeName string) func(lease *coordinationv1.Lease) error {
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return func(lease *coordinationv1.Lease) error {
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// Setting owner reference needs node's UID. Note that it is different from
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// kubelet.nodeRef.UID. When lease is initially created, it is possible that
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// the connection between master and node is not ready yet. So try to set
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// owner reference every time when renewing the lease, until successful.
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if len(lease.OwnerReferences) == 0 {
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if node, err := c.CoreV1().Nodes().Get(context.TODO(), nodeName, metav1.GetOptions{}); err == nil {
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lease.OwnerReferences = []metav1.OwnerReference{
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{
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APIVersion: corev1.SchemeGroupVersion.WithKind("Node").Version,
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Kind: corev1.SchemeGroupVersion.WithKind("Node").Kind,
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Name: nodeName,
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UID: node.UID,
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},
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}
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} else {
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klog.Errorf("failed to get node %q when trying to set owner ref to the node lease: %v", nodeName, 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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