示例#1
0
func (kd *KubeDNS) addDNSUsingEndpoints(e *v1.Endpoints) error {
	svc, err := kd.getServiceFromEndpoints(e)
	if err != nil {
		return err
	}
	if svc == nil || v1.IsServiceIPSet(svc) {
		// No headless service found corresponding to endpoints object.
		return nil
	}
	return kd.generateRecordsForHeadlessService(e, svc)
}
示例#2
0
func (kd *KubeDNS) removeService(obj interface{}) {
	if s, ok := assertIsService(obj); ok {
		subCachePath := append(kd.domainPath, serviceSubdomain, s.Namespace, s.Name)
		kd.cacheLock.Lock()
		defer kd.cacheLock.Unlock()

		success := kd.cache.DeletePath(subCachePath...)
		glog.V(2).Infof("removeService %v at path %v. Success: %v",
			s.Name, subCachePath, success)

		// ExternalName services have no IP
		if v1.IsServiceIPSet(s) {
			delete(kd.reverseRecordMap, s.Spec.ClusterIP)
			delete(kd.clusterIPServiceMap, s.Spec.ClusterIP)
		}
	}
}
示例#3
0
func (kd *KubeDNS) newService(obj interface{}) {
	if service, ok := assertIsService(obj); ok {
		glog.V(2).Infof("New service: %v", service.Name)
		glog.V(4).Infof("Service details: %v", service)

		// ExternalName services are a special kind that return CNAME records
		if service.Spec.Type == v1.ServiceTypeExternalName {
			kd.newExternalNameService(service)
			return
		}
		// if ClusterIP is not set, a DNS entry should not be created
		if !v1.IsServiceIPSet(service) {
			kd.newHeadlessService(service)
			return
		}
		if len(service.Spec.Ports) == 0 {
			glog.Warningf("Service with no ports, this should not have happened: %v",
				service)
		}
		kd.newPortalService(service)
	}
}