cmd.PersistentFlags().StringVar(&args.common.watchedNamespaces, "watchedNamespaces", constants.IstioSystemNamespace,
		"The namespaces the operator controller watches, could be namespace list separated by comma, eg. 'ns1,ns2'")
	cmd.PersistentFlags().StringVarP(&args.common.manifestsPath, "charts", "", "", ChartsDeprecatedStr)
	cmd.PersistentFlags().StringVarP(&args.common.manifestsPath, "manifests", "d", "", ManifestsFlagHelpStr)

	cmd.PersistentFlags().StringVar(&args.common.watchedNamespaces, "watchedNamespaces", constants.IstioSystemNamespace,
		"The namespaces the operator controller watches, could be namespace list separated by comma, eg. 'ns1,ns2'")
	cmd.PersistentFlags().StringVar(&args.common.operatorNamespace, "operatorNamespace", operatorDefaultNamespace, OperatorNamespaceHelpstr)

define warning
Docker version is too old, please upgrade to a newer version.
endef
ifneq ($(findstring google,$(HOSTNAME)),)
warning+=Googlers: go/installdocker\#the-version-of-docker-thats-installed-is-old-eg-1126
endif
# The old docker issue manifests as not being able to run *any* binary. So we can test
# by trying to run a trivial program and ensuring it actually ran. If not, emit our warning.

// in this StatefulSet.
message StatefulSetOrdinals {
  // start is the number representing the first replica's index. It may be used
  // to number replicas from an alternate index (eg: 1-indexed) over the default
  // 0-indexed names, or to orchestrate progressive movement of replicas from
  // one StatefulSet to another.
  // If set, replica indices will be in the range:

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)
	}
	// Segments provide slice of int eg: v1.19.1 => [1, 19, 1]
	num := ver.Segments()[1]
	return num, nil
}

// IsK8VersionSupported checks minimum supported Kubernetes version for Istio.

	ImagePullSecretsHelpStr            = `The imagePullSecrets are used to pull the operator image from the private registry,
could be secret list separated by comma, eg. '--imagePullSecrets imagePullSecret1,imagePullSecret2'`
	OperatorNamespaceHelpstr  = `The namespace the operator controller is installed into.`
	OperatorRevFlagHelpStr    = `Target revision for the operator.`

// in this StatefulSet.
message StatefulSetOrdinals {
  // start is the number representing the first replica's index. It may be used
  // to number replicas from an alternate index (eg: 1-indexed) over the default
  // 0-indexed names, or to orchestrate progressive movement of replicas from
  // one StatefulSet to another.
  // If set, replica indices will be in the range:

// in this StatefulSet.
message StatefulSetOrdinals {
  // start is the number representing the first replica's index. It may be used
  // to number replicas from an alternate index (eg: 1-indexed) over the default
  // 0-indexed names, or to orchestrate progressive movement of replicas from
  // one StatefulSet to another.
  // If set, replica indices will be in the range: