if n.gatewayResourceClient == nil {
		return true
	}
	return n.gatewayResourceClient.HasSynced()
}

// updateServiceNodePortAddresses updates ClusterExternalAddresses for Services of nodePort type
func (c *Controller) updateServiceNodePortAddresses(svcs ...*model.Service) bool {
	// node event, update all nodePort gateway services
	if len(svcs) == 0 {
		svcs = c.getNodePortGatewayServices()
	}

		nodeSelector := getNodeSelectorsForService(curr)
		c.Lock()
		// only add when it is nodePort gateway service
		c.nodeSelectorsForServices[currConv.Hostname] = nodeSelector
		c.Unlock()
		needsFullPush = c.updateServiceNodePortAddresses(currConv)
	}

	// For ExternalName, we need to update the EndpointIndex, as we will store endpoints just based on the Service.