huawei http listener sync fix

pkg/multicloud/aws/loadbalancerlistener.go

@@ -693,7 +693,7 @@ func (self *SRegion) SyncElbListener(listener *SElbListener, config *cloudprovid
 	if err != nil {
 		if strings.Contains(err.Error(), "CertificateNotFound") {
 			// aws 比较诡异，证书能查询到，但是如果立即创建会报错，这里只能等待一会重试
-			time.Sleep(10*time.Second)
+			time.Sleep(10 * time.Second)
 			_, err = client.ModifyListener(params)
 			if err != nil {
 				return errors.Wrap(err, "SRegion.SyncElbListener.ModifyListener.Retry")

pkg/multicloud/huawei/loadbalancer_backendgroup.go

@@ -377,7 +377,9 @@ func (self *SRegion) UpdateLoadBalancerBackendGroup(backendGroupID string, group
 	}
 	poolObj.Set("lb_algorithm", jsonutils.NewString(scheduler))
 
-	if group.StickySession != nil {
+	if group.StickySession == nil || group.StickySession.StickySession == api.LB_BOOL_OFF {
+		poolObj.Set("session_persistence", jsonutils.JSONNull)
+	} else {
 		s := jsonutils.NewDict()
 		timeout := int64(group.StickySession.StickySessionCookieTimeout / 60)
 		if group.ListenType == api.LB_LISTENER_TYPE_UDP || group.ListenType == api.LB_LISTENER_TYPE_TCP {