Esempio n. 1
0
func (s *ServiceController) deleteClusterService(clusterName string, cachedService *cachedService, clientset *release_1_4.Clientset) error {
	service := cachedService.lastState
	glog.V(4).Infof("Deleting service %s/%s from cluster %s", service.Namespace, service.Name, clusterName)
	var err error
	for i := 0; i < clientRetryCount; i++ {
		err = clientset.Core().Services(service.Namespace).Delete(service.Name, &api.DeleteOptions{})
		if err == nil || errors.IsNotFound(err) {
			glog.V(4).Infof("Service %s/%s deleted from cluster %s", service.Namespace, service.Name, clusterName)
			delete(cachedService.endpointMap, clusterName)
			return nil
		}
		time.Sleep(cachedService.nextRetryDelay())
	}
	glog.V(4).Infof("Failed to delete service %s/%s from cluster %s, %+v", service.Namespace, service.Name, clusterName, err)
	return err
}
Esempio n. 2
0
func (s *ServiceController) ensureClusterService(cachedService *cachedService, clusterName string, service *v1.Service, client *release_1_4.Clientset) error {
	var err error
	var needUpdate bool
	for i := 0; i < clientRetryCount; i++ {
		svc, err := client.Core().Services(service.Namespace).Get(service.Name)
		if err == nil {
			// service exists
			glog.V(5).Infof("Found service %s/%s from cluster %s", service.Namespace, service.Name, clusterName)
			//reserve immutable fields
			service.Spec.ClusterIP = svc.Spec.ClusterIP

			//reserve auto assigned field
			for i, oldPort := range svc.Spec.Ports {
				for _, port := range service.Spec.Ports {
					if port.NodePort == 0 {
						if !portEqualExcludeNodePort(&oldPort, &port) {
							svc.Spec.Ports[i] = port
							needUpdate = true
						}
					} else {
						if !portEqualForLB(&oldPort, &port) {
							svc.Spec.Ports[i] = port
							needUpdate = true
						}
					}
				}
			}

			if needUpdate {
				// we only apply spec update
				svc.Spec = service.Spec
				_, err = client.Core().Services(svc.Namespace).Update(svc)
				if err == nil {
					glog.V(5).Infof("Service %s/%s successfully updated to cluster %s", svc.Namespace, svc.Name, clusterName)
					return nil
				} else {
					glog.V(4).Infof("Failed to update %+v", err)
				}
			} else {
				glog.V(5).Infof("Service %s/%s is not updated to cluster %s as the spec are identical", svc.Namespace, svc.Name, clusterName)
				return nil
			}
		} else if errors.IsNotFound(err) {
			// Create service if it is not found
			glog.Infof("Service '%s/%s' is not found in cluster %s, trying to create new",
				service.Namespace, service.Name, clusterName)
			service.ResourceVersion = ""
			_, err = client.Core().Services(service.Namespace).Create(service)
			if err == nil {
				glog.V(5).Infof("Service %s/%s successfully created to cluster %s", service.Namespace, service.Name, clusterName)
				return nil
			}
			glog.V(4).Infof("Failed to create %+v", err)
			if errors.IsAlreadyExists(err) {
				glog.V(5).Infof("service %s/%s already exists in cluster %s", service.Namespace, service.Name, clusterName)
				return nil
			}
		}
		if errors.IsConflict(err) {
			glog.V(4).Infof("Not persisting update to service '%s/%s' that has been changed since we received it: %v",
				service.Namespace, service.Name, err)
		}
		// should we reuse same retry delay for all clusters?
		time.Sleep(cachedService.nextRetryDelay())
	}
	return err
}