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175 lines
5.5 KiB
175 lines
5.5 KiB
/*
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Copyright © 2020-2023 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 cluster
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import (
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"errors"
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"fmt"
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"os"
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"path"
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"github.com/k3d-io/k3d/v5/cmd/util"
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cliconfig "github.com/k3d-io/k3d/v5/cmd/util/config"
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"github.com/k3d-io/k3d/v5/pkg/client"
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"github.com/k3d-io/k3d/v5/pkg/config"
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l "github.com/k3d-io/k3d/v5/pkg/logger"
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"github.com/k3d-io/k3d/v5/pkg/runtimes"
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k3d "github.com/k3d-io/k3d/v5/pkg/types"
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k3dutil "github.com/k3d-io/k3d/v5/pkg/util"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var clusterDeleteConfigFile string
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var clusterDeleteCfgViper = viper.New()
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// NewCmdClusterDelete returns a new cobra command
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func NewCmdClusterDelete() *cobra.Command {
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// create new cobra command
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cmd := &cobra.Command{
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Use: "delete [NAME [NAME ...] | --all]",
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Aliases: []string{"del", "rm"},
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Short: "Delete cluster(s).",
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Long: `Delete cluster(s).`,
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Args: cobra.MinimumNArgs(0), // 0 or n arguments; 0 = default cluster name
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ValidArgsFunction: util.ValidArgsAvailableClusters,
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PreRunE: func(cmd *cobra.Command, args []string) error {
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return cliconfig.InitViperWithConfigFile(clusterDeleteCfgViper, clusterDeleteConfigFile)
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},
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Run: func(cmd *cobra.Command, args []string) {
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clusters := parseDeleteClusterCmd(cmd, args)
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if len(clusters) == 0 {
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l.Log().Infoln("No clusters found")
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} else {
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for _, c := range clusters {
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if err := client.ClusterDelete(cmd.Context(), runtimes.SelectedRuntime, c, k3d.ClusterDeleteOpts{SkipRegistryCheck: false}); err != nil {
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l.Log().Fatalln(err)
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}
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l.Log().Infoln("Removing cluster details from default kubeconfig...")
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if err := client.KubeconfigRemoveClusterFromDefaultConfig(cmd.Context(), c); err != nil {
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l.Log().Warnln("Failed to remove cluster details from default kubeconfig")
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l.Log().Warnln(err)
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}
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l.Log().Infoln("Removing standalone kubeconfig file (if there is one)...")
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configDir, err := k3dutil.GetConfigDirOrCreate()
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if err != nil {
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l.Log().Warnf("Failed to delete kubeconfig file: %+v", err)
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} else {
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kubeconfigfile := path.Join(configDir, fmt.Sprintf("kubeconfig-%s.yaml", c.Name))
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if err := os.Remove(kubeconfigfile); err != nil {
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if !os.IsNotExist(err) {
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l.Log().Warnf("Failed to delete kubeconfig file '%s'", kubeconfigfile)
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}
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}
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}
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l.Log().Infof("Successfully deleted cluster %s!", c.Name)
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}
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}
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},
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}
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// add subcommands
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// add flags
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cmd.Flags().BoolP("all", "a", false, "Delete all existing clusters")
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/***************
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* Config File *
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***************/
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cmd.Flags().StringVarP(&clusterDeleteConfigFile, "config", "c", "", "Path of a config file to use")
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if err := cmd.MarkFlagFilename("config", "yaml", "yml"); err != nil {
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l.Log().Fatalln("Failed to mark flag 'config' as filename flag")
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}
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// done
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return cmd
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}
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// parseDeleteClusterCmd parses the command input into variables required to delete clusters
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func parseDeleteClusterCmd(cmd *cobra.Command, args []string) []*k3d.Cluster {
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var clusters []*k3d.Cluster
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// --all
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all, err := cmd.Flags().GetBool("all")
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if err != nil {
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l.Log().Fatalln(err)
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}
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// --config
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if clusterDeleteConfigFile != "" {
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// not allowed with --all or more args
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if len(args) > 0 || all {
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l.Log().Fatalln("failed to delete cluster: cannot use `--config` flag with additional arguments or `--all`")
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}
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cfg, err := config.SimpleConfigFromViper(clusterDeleteCfgViper)
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if err != nil {
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l.Log().Fatalln(err)
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}
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if cfg.Name == "" {
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l.Log().Fatalln("failed to delete cluster via config file: no name in config file")
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}
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c, err := client.ClusterGet(cmd.Context(), runtimes.SelectedRuntime, &k3d.Cluster{Name: cfg.Name})
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if errors.Is(err, client.ClusterGetNoNodesFoundError) {
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l.Log().Infof("No nodes found for cluster '%s', nothing to delete.", cfg.Name)
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return nil
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}
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clusters = append(clusters, c)
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return clusters
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}
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// --all was set
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if all {
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l.Log().Infoln("Deleting all clusters...")
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clusters, err = client.ClusterList(cmd.Context(), runtimes.SelectedRuntime)
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if err != nil {
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l.Log().Fatalln(err)
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}
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return clusters
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}
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// args only
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clusternames := []string{k3d.DefaultClusterName}
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if len(args) != 0 {
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clusternames = args
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}
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for _, name := range clusternames {
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c, err := client.ClusterGet(cmd.Context(), runtimes.SelectedRuntime, &k3d.Cluster{Name: name})
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if err != nil {
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if err == client.ClusterGetNoNodesFoundError {
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continue
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}
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l.Log().Fatalln(err)
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}
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clusters = append(clusters, c)
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}
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return clusters
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}
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