improve performance while processing the virtual servers with host group (#3952)

Author: vidyasagar-m

pkg/controller/worker.go

@@ -403,6 +403,16 @@ func (ctlr *Controller) processResources() bool {
 			break
 		}
 		for _, virtual := range virtuals {
+			if rKey.event == Create {
+				rscKey := resourceRef{
+					kind:      VirtualServer,
+					name:      virtual.Name,
+					namespace: virtual.Namespace,
+				}
+				if _, ok := ctlr.resources.processedNativeResources[rscKey]; ok {
+					continue
+				}
+			}
 			err := ctlr.processVirtualServers(virtual, false)
 			if err != nil {
 				// TODO
@@ -461,6 +471,16 @@ func (ctlr *Controller) processResources() bool {
 					break
 				}
 				for _, virtual := range virtuals {
+					if rKey.event == Create {
+						rscKey := resourceRef{
+							kind:      VirtualServer,
+							name:      virtual.Name,
+							namespace: virtual.Namespace,
+						}
+						if _, ok := ctlr.resources.processedNativeResources[rscKey]; ok {
+							continue
+						}
+					}
 					err := ctlr.processVirtualServers(virtual, false)
 					if err != nil {
 						// TODO
@@ -560,6 +580,16 @@ func (ctlr *Controller) processResources() bool {
 				virtuals := ctlr.getVirtualsForCustomPolicy(cp)
 				//Sync Custompolicy for Virtual Servers
 				for _, virtual := range virtuals {
+					if rKey.event == Create {
+						rscKey := resourceRef{
+							kind:      VirtualServer,
+							name:      virtual.Name,
+							namespace: virtual.Namespace,
+						}
+						if _, ok := ctlr.resources.processedNativeResources[rscKey]; ok {
+							continue
+						}
+					}
 					err := ctlr.processVirtualServers(virtual, false)
 					if err != nil {
 						// TODO