wip: 重新整理 install cmd

internal/cmd/installcmd/k0s.go

@@ -9,21 +9,23 @@ func K0s() *cobra.Command {
 
 	var (
 		workdir string
-		target  string
 	)
 
 	_cmd := &cobra.Command{
 		Use:   "k0s",
 		Short: "Install k0s",
 		Long:  "Install k0s",
+		PreRunE: func(cmd *cobra.Command, args []string) error {
+			i := installer.NewInstaller(workdir)
+			return i.CheckOK(cmd.Context())
+		},
 		RunE: func(cmd *cobra.Command, args []string) error {
-			_installer := installer.NewInstaller(workdir, target)
+			_installer := installer.NewInstaller(workdir)
 			return _installer.K0s(cmd.Context())
 		},
 	}
 
 	_cmd.PersistentFlags().StringVar(&workdir, "workdir", "/root/hs-installation", "working directory")
-	_cmd.PersistentFlags().StringVar(&target, "target", "self", "target directory")
 
 	return _cmd
 }