fix bug for issuse #5597: when slr update, the same vip will be delete too (#5646)

Signed-off-by: wppzxc <[email protected]>
(cherry picked from commit 00572c6)

Author: wppzxc

pkg/controller/service.go

@@ -348,20 +348,19 @@ func (c *Controller) handleUpdateService(svcObject *updateSvcObject) error {
 
 	if needUpdateEndpointQueue {
 		c.addOrUpdateEndpointSliceQueue.Add(key)
-
-		// add the svc key which has the same vip
-		vip, ok := svc.Annotations[util.SwitchLBRuleVipsAnnotation]
-		if ok {
-			allSlrs, err := c.switchLBRuleLister.List(labels.Everything())
-			if err != nil {
-				klog.Error(err)
-				return err
-			}
-			for _, slr := range allSlrs {
-				if slr.Spec.Vip == vip {
-					slrKey := fmt.Sprintf("%s/slr-%s", svc.Namespace, slr.Name)
-					c.addOrUpdateEndpointSliceQueue.Add(slrKey)
-				}
+	}
+	// add the svc key which has the same vip
+	vip, ok := svc.Annotations[util.SwitchLBRuleVipsAnnotation]
+	if ok {
+		allSlrs, err := c.switchLBRuleLister.List(labels.Everything())
+		if err != nil {
+			klog.Error(err)
+			return err
+		}
+		for _, slr := range allSlrs {
+			if slr.Spec.Vip == vip {
+				slrKey := fmt.Sprintf("%s/slr-%s", slr.Spec.Namespace, slr.Name)
+				c.addOrUpdateEndpointSliceQueue.Add(slrKey)
 			}
 		}
 	}