return fmt.Errorf("unknown subcommand %q", args[0])
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			cmd.HelpFunc()(cmd, args)
			return nil
		},
	}

	istiodLog := istiodLogCmd(ctx)
	adminCmd.AddCommand(istiodLog)
	adminCmd.PersistentFlags().StringVarP(&istiodLabelSelector, "selector", "l", "app=istiod", "label selector")

	return adminCmd

	}
	return &s, nil
}

var (
	istiodLabelSelector = ""
	istiodReset         = false
	validationPattern   = `^\w+:(debug|error|warn|info|debug)`
)

func istiodLogCmd(ctx cli.Context) *cobra.Command {
	var controlzPort int
	var opts clioptions.ControlPlaneOptions
	outputLogLevel := ""
	stackTraceLevel := ""

	// output format (yaml or short)
	outputFormat := "short"