if err != nil {
		return false, err
	}
	return MinK8SVersion <= v, nil
}

// extractKubernetesVersion returns the Kubernetes minor version. For example, `v1.19.1` will return `19`
func extractKubernetesVersion(versionInfo *version.Info) (int, error) {
	ver, err := goversion.NewVersion(versionInfo.String())
	if err != nil {
		return 0, fmt.Errorf("could not parse %v", err)
	}

		"Istio system namespace")
	return r
}

// Namespace returns the namespace flag value.
func (r *RootFlags) Namespace() string {
	return *r.namespace
}

// IstioNamespace returns the istioNamespace flag value.
func (r *RootFlags) IstioNamespace() string {
	return *r.istioNamespace
}

// DefaultNamespace returns the default namespace to use.

		fmt.Fprintf(w, "%s\t%s\t%v\n", flag, viper.GetString(flag), configSource(flag, v))
	}
	return w.Flush()
}

func configSource(flag string, v env.VariableInfo) string {
	// Environment variables have high precedence in Viper
	if v.IsSet() {
		return "$" + v.GetName()
	}

	if viper.InConfig(flag) {
		return root.IstioConfig
	}

	return "default"

		if err != nil {
			return err
		}
		envoyBytes.WriteString(envoy)
	}
	istiodRouteDump, err := c.istiod.GetDynamicRouteDump(true)
	if err != nil {
		istiodBytes.WriteString(err.Error())
	} else {
		istiod, err := protomarshal.ToJSONWithAnyResolver(istiodRouteDump, "    ", &envoyResolver)
		if err != nil {
			return err
		}
		istiodBytes.WriteString(istiod)
	}

	if err != nil {
		return nil, err
	}

	ecdsDump := &admin.EcdsConfigDump{}
	for _, dump := range ecdsDumpAny {
		ecds := &admin.EcdsConfigDump{}
		err = dump.UnmarshalTo(ecds)
		if err != nil {
			return nil, err
		}

		ecdsDump.EcdsFilters = append(ecdsDump.EcdsFilters, ecds.EcdsFilters...)
	}

	if err != nil {
		return nil, err
	}
	return ecdsDump, nil

	router.HandleFunc(constants.ReadinessEndpoint, readyz(installReady, watchReady))

	return
}

func healthz(w http.ResponseWriter, _ *http.Request) {
	w.WriteHeader(http.StatusOK)
}

func readyz(installReady, watchReady *atomic.Value) http.HandlerFunc {
	return func(w http.ResponseWriter, _ *http.Request) {
		if !installReady.Load().(bool) || !watchReady.Load().(bool) {

	err := viper.ReadInConfig()
	// Ignore errors reading the configuration unless the file is explicitly customized
	if root.IstioConfig != defaultIstioctlConfig {
		return err
	}

	return nil
}

func init() {
	viper.SetDefault("istioNamespace", constants.IstioSystemNamespace)
	viper.SetDefault("xds-port", 15012)
}

// GetRootCmd returns the root of the cobra command-tree.

				if err := os.MkdirAll(dir, 0o755); err != nil {
					return err
				}
			}
			outFile, err := os.Create(dest)
			if err != nil {
				return fmt.Errorf("create: %v", err)
			}
			if _, err := io.Copy(outFile, tarReader); err != nil {
				return fmt.Errorf("copy: %v", err)
			}
			outFile.Close()
		default:
			return fmt.Errorf("unknown type: %v in %v", header.Typeflag, header.Name)
		}
	}

	endpointsDumpAny, err := w.getSection(endpoints)
	if err != nil {
		return nil, nil
	}
	endpointsDump := &admin.EndpointsConfigDump{}
	err = endpointsDumpAny.UnmarshalTo(endpointsDump)
	if err != nil {
		return nil, err
	}
	return endpointsDump, nil

			log.Errorf("Failed to configure log %v", err)
		}
		return nil
	},
	RunE: func(c *cobra.Command, args []string) (err error) {
		cmd.PrintFlags(c.Flags())
		ctx := c.Context()

		// Start controlz server
		_, _ = ctrlz.Run(ctrlzOptions, nil)

		var cfg *config.Config
		if cfg, err = constructConfig(); err != nil {
			return
		}
		log.Infof("CNI install configuration: \n%+v", cfg.InstallConfig)