| /* |
| Copyright 2016 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package config |
| |
| import ( |
| "fmt" |
| "io" |
| |
| "github.com/spf13/cobra" |
| "k8s.io/client-go/tools/clientcmd" |
| cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util" |
| "k8s.io/kubernetes/pkg/kubectl/util/i18n" |
| "k8s.io/kubernetes/pkg/kubectl/util/templates" |
| ) |
| |
| var ( |
| get_clusters_example = templates.Examples(` |
| # List the clusters kubectl knows about |
| kubectl config get-clusters`) |
| ) |
| |
| // NewCmdConfigGetClusters creates a command object for the "get-clusters" action, which |
| // lists all clusters defined in the kubeconfig. |
| func NewCmdConfigGetClusters(out io.Writer, configAccess clientcmd.ConfigAccess) *cobra.Command { |
| cmd := &cobra.Command{ |
| Use: "get-clusters", |
| Short: i18n.T("Display clusters defined in the kubeconfig"), |
| Long: "Display clusters defined in the kubeconfig.", |
| Example: get_clusters_example, |
| Run: func(cmd *cobra.Command, args []string) { |
| err := runGetClusters(out, configAccess) |
| cmdutil.CheckErr(err) |
| }, |
| } |
| |
| return cmd |
| } |
| |
| func runGetClusters(out io.Writer, configAccess clientcmd.ConfigAccess) error { |
| config, err := configAccess.GetStartingConfig() |
| if err != nil { |
| return err |
| } |
| |
| fmt.Fprintf(out, "NAME\n") |
| for name := range config.Clusters { |
| fmt.Fprintf(out, "%s\n", name) |
| } |
| |
| return nil |
| } |