mirror of
https://github.com/ahmetb/kubectx.git
synced 2025-08-23 17:38:29 +00:00
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
// Copyright 2021 Google LLC
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package kubeconfig
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import (
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"github.com/pkg/errors"
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"gopkg.in/yaml.v3"
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)
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func (k *Kubeconfig) DeleteContextEntry(deleteName string) error {
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contexts, err := k.contextsNode()
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if err != nil {
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return err
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}
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i := -1
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for j, ctxNode := range contexts.Content {
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nameNode := valueOf(ctxNode, "name")
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if nameNode != nil && nameNode.Kind == yaml.ScalarNode && nameNode.Value == deleteName {
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i = j
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break
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}
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}
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if i >= 0 {
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copy(contexts.Content[i:], contexts.Content[i+1:])
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contexts.Content[len(contexts.Content)-1] = nil
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contexts.Content = contexts.Content[:len(contexts.Content)-1]
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}
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return nil
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}
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func (k *Kubeconfig) ModifyCurrentContext(name string) error {
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currentCtxNode := valueOf(k.rootNode, "current-context")
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if currentCtxNode != nil {
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currentCtxNode.Value = name
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return nil
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}
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// if current-context field doesn't exist, create new field
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keyNode := &yaml.Node{
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Kind: yaml.ScalarNode,
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Value: "current-context",
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Tag: "!!str"}
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valueNode := &yaml.Node{
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Kind: yaml.ScalarNode,
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Value: name,
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Tag: "!!str"}
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k.rootNode.Content = append(k.rootNode.Content, keyNode, valueNode)
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return nil
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}
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func (k *Kubeconfig) ModifyContextName(old, new string) error {
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contexts, err := k.contextsNode()
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if err != nil {
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return err
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}
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var changed bool
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for _, contextNode := range contexts.Content {
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nameNode := valueOf(contextNode, "name")
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if nameNode.Kind == yaml.ScalarNode && nameNode.Value == old {
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nameNode.Value = new
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changed = true
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break
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}
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}
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if !changed {
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return errors.New("no changes were made")
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}
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return nil
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}
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