// restAddVirtualHost parses payload, adds the vhost to the service, then updates the service
func restAddVirtualHost(w *rest.ResponseWriter, r *rest.Request, client *node.ControlClient) {
	var request virtualHostRequest
	err := r.DecodeJsonPayload(&request)
	if err != nil {
		restBadRequest(w, err)
		return
	}

	var services []service.Service
	var serviceRequest dao.ServiceRequest
	if err := client.GetServices(serviceRequest, &services); err != nil {
		glog.Errorf("Could not get services: %v", err)
		restServerError(w, err)
		return
	}

	var service *service.Service
	for _, _service := range services {
		if _service.ID == request.ServiceID {
			service = &_service
			break
		}
	}

	if service == nil {
		glog.Errorf("Could not find service: %s", services)
		restServerError(w, err)
		return
	}

	//checkout other virtual hosts for redundancy
	_vhost := strings.ToLower(request.VirtualHostName)
	for _, service := range services {
		if service.Endpoints == nil {
			continue
		}

		for _, endpoint := range service.Endpoints {
			for _, host := range endpoint.VHosts {
				if host == _vhost {
					glog.Errorf("vhost %s already defined for service: %s", request.VirtualHostName, service.ID)
					restServerError(w, err)
					return
				}
			}
		}
	}

	err = service.AddVirtualHost(request.Application, request.VirtualHostName)
	if err != nil {
		glog.Errorf("Unexpected error adding vhost to service (%s): %v", service.Name, err)
		restServerError(w, err)
		return
	}

	var unused int
	err = client.UpdateService(*service, &unused)
	if err != nil {
		glog.Errorf("Unexpected error adding vhost to service (%s): %v", service.Name, err)
		restServerError(w, err)
		return
	}

	restSuccess(w)
}