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108 lines
3.4 KiB
108 lines
3.4 KiB
4 years ago
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/*
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Copyright © 2020 The k3d Author(s)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package kubeconfig
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import (
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"fmt"
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"os"
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"github.com/rancher/k3d/v3/cmd/util"
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"github.com/rancher/k3d/v3/pkg/cluster"
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"github.com/rancher/k3d/v3/pkg/runtimes"
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k3d "github.com/rancher/k3d/v3/pkg/types"
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"github.com/spf13/cobra"
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log "github.com/sirupsen/logrus"
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)
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type getKubeconfigFlags struct {
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all bool
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}
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// NewCmdKubeconfigGet returns a new cobra command
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func NewCmdKubeconfigGet() *cobra.Command {
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writeKubeConfigOptions := cluster.WriteKubeConfigOptions{
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UpdateExisting: true,
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UpdateCurrentContext: true,
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OverwriteExisting: true,
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}
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getKubeconfigFlags := getKubeconfigFlags{}
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// create new command
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cmd := &cobra.Command{
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Use: "get [CLUSTER [CLUSTER [...]] | --all]",
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Short: "Get kubeconfig from cluster(s).",
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Long: `Get kubeconfig from cluster(s).`,
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ValidArgsFunction: util.ValidArgsAvailableClusters,
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Args: func(cmd *cobra.Command, args []string) error {
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if (len(args) < 1 && !getKubeconfigFlags.all) || (len(args) > 0 && getKubeconfigFlags.all) {
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return fmt.Errorf("Need to specify one or more cluster names *or* set `--all` flag")
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}
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return nil
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},
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Run: func(cmd *cobra.Command, args []string) {
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var clusters []*k3d.Cluster
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var err error
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// generate list of clusters
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if getKubeconfigFlags.all {
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clusters, err = cluster.GetClusters(cmd.Context(), runtimes.SelectedRuntime)
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if err != nil {
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log.Fatalln(err)
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}
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} else {
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for _, clusterName := range args {
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retrievedCluster, err := cluster.GetCluster(cmd.Context(), runtimes.SelectedRuntime, &k3d.Cluster{Name: clusterName})
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if err != nil {
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log.Fatalln(err)
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}
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clusters = append(clusters, retrievedCluster)
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}
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}
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// get kubeconfigs from all clusters
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errorGettingKubeconfig := false
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for _, c := range clusters {
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log.Debugf("Getting kubeconfig for cluster '%s'", c.Name)
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fmt.Println("---") // YAML document separator
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if _, err := cluster.GetAndWriteKubeConfig(cmd.Context(), runtimes.SelectedRuntime, c, "-", &writeKubeConfigOptions); err != nil {
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log.Errorln(err)
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errorGettingKubeconfig = true
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}
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}
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// return with non-zero exit code, if there was an error for one of the clusters
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if errorGettingKubeconfig {
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os.Exit(1)
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}
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},
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}
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// add flags
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cmd.Flags().BoolVarP(&getKubeconfigFlags.all, "all", "a", false, "Get kubeconfigs from all existing clusters")
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// done
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return cmd
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}
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