"istio.io/istio/pkg/log"
)

const (
	// Location to read istioctl defaults from
	defaultIstioctlConfig = "$HOME/.istioctl/config.yaml"
)

var (
	// IstioConfig is the name of the istioctl config file (if any)
	IstioConfig = env.Register("ISTIOCONFIG", defaultIstioctlConfig,
		"Default values for istioctl flags").Get()

	LoggingOptions = defaultLogOptions()

		// the CNI binary installed.
		if err = installer.Run(ctx); err != nil {
			if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
				log.Infof("installer complete: %v", err)
				// Error was caused by interrupt/termination signal
				err = nil
			} else {
				log.Errorf("installer failed: %v", err)
			}
		}

		if cleanErr := installer.Cleanup(); cleanErr != nil {

	configPath := filepath.Dir(root.IstioConfig)
	baseName := filepath.Base(root.IstioConfig)
	configType := filepath.Ext(root.IstioConfig)
	configName := baseName[0 : len(baseName)-len(configType)]
	if configType != "" {
		configType = configType[1:]
	}

	// Allow users to override some variables through $HOME/.istioctl/config.yaml
	// and environment variables.
	viper.SetEnvPrefix("ISTIOCTL")
	viper.AutomaticEnv()

	revisionFlagHelpStr         = `Target control plane revision for the command.`
	skipConfirmationFlagHelpStr = `The skipConfirmation determines whether the user is prompted for confirmation.
If set to true, the user is not prompted and a Yes response is assumed in all cases.`
	filenameFlagHelpStr = `Path to file containing IstioOperator custom resource