mirror of https://github.com/kubernetes/kops.git
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
/*
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Copyright 2021 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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"encoding/json"
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"fmt"
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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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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/klog/v2"
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)
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type nodeForCIDRMergePatch struct {
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Spec nodeSpecForMergePatch `json:"spec"`
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}
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type nodeSpecForMergePatch struct {
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PodCIDR string `json:"podCIDR"`
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PodCIDRs []string `json:"podCIDRs,omitempty"`
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}
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// PatchNodeCIDRs patches the specified node.CIDR=cidrs[0] and node.CIDRs to the given value.
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func PatchNodeCIDRs(c clientset.Interface, node types.NodeName, cidrs []string) error {
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// set the pod cidrs list and set the old pod cidr field
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patch := nodeForCIDRMergePatch{
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Spec: nodeSpecForMergePatch{
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PodCIDR: cidrs[0],
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PodCIDRs: cidrs,
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},
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}
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patchBytes, err := json.Marshal(&patch)
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if err != nil {
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return fmt.Errorf("failed to json.Marshal CIDR: %v", err)
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}
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klog.V(4).Infof("cidrs patch bytes are:%s", string(patchBytes))
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if _, err := c.CoreV1().Nodes().Patch(context.TODO(), string(node), types.StrategicMergePatchType, patchBytes, metav1.PatchOptions{}); err != nil {
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return fmt.Errorf("failed to patch node CIDR: %v", err)
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}
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return nil
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}
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