outputFormat string
}

const (
	operatorResourceName     = "istio-operator"
	operatorDefaultNamespace = "istio-operator"
)

// isControllerInstalled reports whether an operator deployment exists in the given namespace.
func isControllerInstalled(cs kubernetes.Interface, operatorNamespace string, revision string) (bool, error) {
	orn := operatorResourceName
	if revision != "" {
		orn += "-" + revision
	}

	}

	var installed bool
	if orArgs.revision == "default" {
		installed, err = isControllerInstalled(kubeClient.Kube(), orArgs.operatorNamespace, "")
	} else {
		installed, err = isControllerInstalled(kubeClient.Kube(), orArgs.operatorNamespace, orArgs.revision)
	}

	if installed && err != nil {
		l.LogAndFatal(err)
	}
	if !installed && !orArgs.purge {

	}
	if oiArgs.common.revision == "default" {
		oiArgs.common.revision = ""
	}
	// Error here likely indicates Deployment is missing. If some other K8s error, we will hit it again later.
	already, _ := isControllerInstalled(kubeClient.Kube(), oiArgs.common.operatorNamespace, oiArgs.common.revision)
	if already {
		l.LogAndPrintf("Operator controller is already installed in %s namespace.", oiArgs.common.operatorNamespace)