func addInstallFlags(cmd *cobra.Command, args *InstallArgs) {
	cmd.PersistentFlags().StringSliceVarP(&args.InFilenames, "filename", "f", nil, filenameFlagHelpStr)
	cmd.PersistentFlags().DurationVar(&args.ReadinessTimeout, "readiness-timeout", 300*time.Second,
		"Maximum time to wait for Istio resources in each component to be ready.")
	cmd.PersistentFlags().BoolVarP(&args.SkipConfirmation, "skip-confirmation", "y", false, skipConfirmationFlagHelpStr)