configType = configType[1:]
	}

	// Allow users to override some variables through $HOME/.istioctl/config.yaml
	// and environment variables.
	viper.SetEnvPrefix("ISTIOCTL")
	viper.AutomaticEnv()
	viper.AllowEmptyEnv(true) // So we can say ISTIOCTL_CERT_DIR="" to suppress certs
	viper.SetConfigName(configName)
	viper.SetConfigType(configType)
	viper.AddConfigPath(configPath)
	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))

		return
	},
}

// GetCommand returns the main cobra.Command object for this application
func GetCommand() *cobra.Command {
	return rootCmd
}

func init() {
	viper.AutomaticEnv()
	viper.AllowEmptyEnv(true)
	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
	logOptions.AttachCobraFlags(rootCmd)
	ctrlzOptions.AttachCobraFlags(rootCmd)

	rootCmd.AddCommand(version.CobraCommand())