Change default Cluster manager

Author: Julien Guitton

api/v1/nificluster_types.go

@@ -47,7 +47,7 @@ type NifiClusterSpec struct {
 	// Pod defines the policy for  pods owned by NiFiKop operator.
 	Pod PodPolicy `json:"pod,omitempty"`
 	// clusterManager specifies
-	// +kubebuilder:default:=kubernetes
+	// +kubebuilder:default:=zookeeper
 	// +optional
 	ClusterManager ClusterManagerType `json:"clusterManager,omitempty"`
 	// zKAddress specifies the ZooKeeper connection string