Set lbMethod annotation to svcConfig (#2990)

Currently the lbMethod is not set into the svcConfig which
leads to the default lbMethod being used

Co-authored-by: nikParasyr <[email protected]>

Author: k8s-infra-cherrypick-robot

pkg/openstack/loadbalancer.go

@@ -1539,6 +1539,7 @@ func (lbaas *LbaasV2) checkService(ctx context.Context, service *corev1.Service,
 func (lbaas *LbaasV2) makeSvcConf(ctx context.Context, serviceName string, service *corev1.Service, svcConf *serviceConfig) error {
 	svcConf.connLimit = getIntFromServiceAnnotation(service, ServiceAnnotationLoadBalancerConnLimit, -1)
 	svcConf.lbID = getStringFromServiceAnnotation(service, ServiceAnnotationLoadBalancerID, "")
+	svcConf.poolLbMethod = getStringFromServiceAnnotation(service, ServiceAnnotationLoadBalancerLbMethod, "")
 	svcConf.supportLBTags = openstackutil.IsOctaviaFeatureSupported(ctx, lbaas.lb, openstackutil.OctaviaFeatureTags, lbaas.opts.LBProvider)
 
 	// Get service node-selector annotations