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77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
/*
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Copyright 2014 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/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/util/i18n"
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"k8s.io/kubernetes/pkg/kubectl/util/templates"
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)
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// CurrentContextOptions holds the command-line options for 'config current-context' sub command
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type CurrentContextOptions struct {
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ConfigAccess clientcmd.ConfigAccess
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}
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var (
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currentContextLong = templates.LongDesc(`
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Displays the current-context`)
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currentContextExample = templates.Examples(`
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# Display the current-context
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kubectl config current-context`)
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)
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// NewCmdConfigCurrentContext returns a Command instance for 'config current-context' sub command
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func NewCmdConfigCurrentContext(out io.Writer, configAccess clientcmd.ConfigAccess) *cobra.Command {
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options := &CurrentContextOptions{ConfigAccess: configAccess}
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cmd := &cobra.Command{
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Use: "current-context",
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Short: i18n.T("Displays the current-context"),
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Long: currentContextLong,
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Example: currentContextExample,
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Run: func(cmd *cobra.Command, args []string) {
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cmdutil.CheckErr(RunCurrentContext(out, options))
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},
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}
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return cmd
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}
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// RunCurrentContext performs the execution of 'config current-context' sub command
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func RunCurrentContext(out io.Writer, options *CurrentContextOptions) error {
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config, err := options.ConfigAccess.GetStartingConfig()
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if err != nil {
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return err
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}
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if config.CurrentContext == "" {
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err = fmt.Errorf("current-context is not set")
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return err
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}
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fmt.Fprintf(out, "%s\n", config.CurrentContext)
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return nil
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}
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