viper.SetDefault("xds-port", 15012)
}

// GetRootCmd returns the root of the cobra command-tree.
func GetRootCmd(args []string) *cobra.Command {
	rootCmd := &cobra.Command{
		Use:               "istioctl",
		Short:             "Istio control interface.",
		SilenceUsage:      true,
		DisableAutoGenTag: true,
		PersistentPreRunE: ConfigureLogging,
		Long: `Istio configuration command line utility for service operators to

}

// GetRootCmd returns the root of the cobra command-tree.
func GetRootCmd(ctx cli.Context, args []string) *cobra.Command {
	rootCmd := &cobra.Command{
		Use:          "mesh",
		Short:        "Command line Istio install utility.",
		SilenceUsage: true,
		Long: "This command uses the Istio operator code to generate templates, query configurations and perform " +
			"utility operations.",
	}

	ctrlzOptions = func() *ctrlz.Options {
		o := ctrlz.DefaultOptions()
		o.EnablePprof = true
		return o
	}()
)

var rootCmd = &cobra.Command{
	Use:          "install-cni",
	Short:        "Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition.",
	SilenceUsage: true,
	PreRunE: func(c *cobra.Command, args []string) error {