define healthCheckNodePort when updating octavia (kubernetes#1757)

Author: zetaab

pkg/openstack/loadbalancer.go

@@ -1500,7 +1500,10 @@ func (lbaas *LbaasV2) checkServiceUpdate(service *corev1.Service, nodes []*corev
 	svcConf.enableProxyProtocol = useProxyProtocol
 
 	svcConf.tlsContainerRef = getStringFromServiceAnnotation(service, ServiceAnnotationTlsContainerRef, lbaas.opts.TlsContainerRef)
-
+	svcConf.enableMonitor = getBoolFromServiceAnnotation(service, ServiceAnnotationLoadBalancerEnableHealthMonitor, lbaas.opts.CreateMonitor)
+	if svcConf.enableMonitor && lbaas.opts.UseOctavia && service.Spec.ExternalTrafficPolicy == corev1.ServiceExternalTrafficPolicyTypeLocal && service.Spec.HealthCheckNodePort > 0 {
+		svcConf.healthCheckNodePort = int(service.Spec.HealthCheckNodePort)
+	}
 	return nil
 }