Refine controller template and probe listeners

clitools/pkg/cmd/root/root.go

@@ -19,8 +19,10 @@ import (
 func init() {
 	klog.InitFlags(nil)
 
+	_ = flag.Set("logtostderr", "true")
+
 	if os.Getenv("DEBUG") != "" {
-		_ = flag.Set("v", "4") // debug level
+		_ = flag.Set("v", "4")
 	} else {
 		_ = flag.Set("v", "0")
 	}
@@ -39,7 +41,11 @@ func NewRootCmd() *cobra.Command {
 		},
 	}
 
+	// Expose klog stdlib flags through Cobra/pflag.
+	cmd.PersistentFlags().AddGoFlagSet(flag.CommandLine)
+
 	flags.AddFlags(cmd.PersistentFlags())
+
 	cmd.AddCommand(
 		versioncmd.NewCmdVersion(),
 		initcmd.NewCmdInit(flags),
@@ -49,5 +55,6 @@ func NewRootCmd() *cobra.Command {
 		controllercmd.NewCmdController(flags),
 		internalcmd.NewCmdInternal(),
 	)
+
 	return cmd
 }