Skip processing Service without IPPool annotation

Signed-off-by: Xu Liu <[email protected]>

pkg/controller/serviceexternalip/controller.go

@@ -155,6 +155,12 @@ func (c *ServiceExternalIPController) enqueueService(obj interface{}) {
 		Namespace: service.Namespace,
 		Name:      service.Name,
 	}
+
+	_, allocationExists := c.getExternalIPAllocation(namespacedName)
+	if !allocationExists && getServiceExternalIPPool(service) == "" {
+		return
+	}
+
 	c.queue.Add(namespacedName)
 }
 
@@ -499,7 +505,7 @@ func (c *ServiceExternalIPController) syncService(key apimachinerytypes.Namespac
 	}
 
 	if currentIPPool == "" {
-		klog.V(2).InfoS("Ignored Service as required annotation is not found", "service", key)
+		klog.V(2).InfoS("Ignored Service as the required annotation no longer exists", "service", key)
 		if released {
 			return c.updateServiceLoadBalancerIP(service, nil)
 		}