mirror of https://github.com/k3s-io/k3s
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
/*
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Copyright 2016 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 config
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import (
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"fmt"
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"io"
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"github.com/spf13/cobra"
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"k8s.io/client-go/tools/clientcmd"
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cmdutil "k8s.io/kubectl/pkg/cmd/util"
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"k8s.io/kubectl/pkg/util/i18n"
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"k8s.io/kubectl/pkg/util/templates"
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)
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var (
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deleteContextExample = templates.Examples(`
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# Delete the context for the minikube cluster
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kubectl config delete-context minikube`)
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)
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// NewCmdConfigDeleteContext returns a Command instance for 'config delete-context' sub command
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func NewCmdConfigDeleteContext(out, errOut io.Writer, configAccess clientcmd.ConfigAccess) *cobra.Command {
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cmd := &cobra.Command{
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Use: "delete-context NAME",
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DisableFlagsInUseLine: true,
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Short: i18n.T("Delete the specified context from the kubeconfig"),
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Long: i18n.T("Delete the specified context from the kubeconfig"),
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Example: deleteContextExample,
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Run: func(cmd *cobra.Command, args []string) {
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cmdutil.CheckErr(runDeleteContext(out, errOut, configAccess, cmd))
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},
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}
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return cmd
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}
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func runDeleteContext(out, errOut io.Writer, configAccess clientcmd.ConfigAccess, cmd *cobra.Command) error {
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config, err := configAccess.GetStartingConfig()
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if err != nil {
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return err
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}
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args := cmd.Flags().Args()
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if len(args) != 1 {
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cmd.Help()
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return nil
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}
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configFile := configAccess.GetDefaultFilename()
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if configAccess.IsExplicitFile() {
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configFile = configAccess.GetExplicitFile()
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}
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name := args[0]
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_, ok := config.Contexts[name]
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if !ok {
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return fmt.Errorf("cannot delete context %s, not in %s", name, configFile)
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}
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if config.CurrentContext == name {
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fmt.Fprint(errOut, "warning: this removed your active context, use \"kubectl config use-context\" to select a different one\n")
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}
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delete(config.Contexts, name)
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if err := clientcmd.ModifyConfig(configAccess, *config, true); err != nil {
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return err
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}
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fmt.Fprintf(out, "deleted context %s from %s\n", name, configFile)
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return nil
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}
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