func daemon(id, address, stateDir string, concurrency int, oom bool) error { tasks := make(chan *supervisor.StartTask, concurrency*100) sv, err := supervisor.New(id, stateDir, tasks, oom) if err != nil { return err } wg := &sync.WaitGroup{} for i := 0; i < concurrency; i++ { wg.Add(1) w := supervisor.NewWorker(sv, wg) go w.Start() } // only set containerd as the subreaper if it is not an init process if pid := os.Getpid(); pid != 1 { logrus.WithFields(logrus.Fields{ "pid": pid, }).Debug("containerd is not init, set as subreaper") if err := setSubReaper(); err != nil { return err } } // start the signal handler in the background. go startSignalHandler(sv) if err := sv.Start(); err != nil { return err } if err := os.RemoveAll(address); err != nil { return err } l, err := net.Listen("unix", address) if err != nil { return err } s := grpc.NewServer() types.RegisterAPIServer(s, server.NewServer(sv)) protoversion.RegisterAPIServer( s, protoversion.NewAPIServer( containerd.Version, protoversion.APIServerOptions{ DisableLogging: true, }, ), ) logrus.Debugf("GRPC API listen on %s", address) return s.Serve(l) }
func startServer(address string, sv *supervisor.Supervisor) (*grpc.Server, error) { if err := os.RemoveAll(address); err != nil { return nil, err } l, err := net.Listen(defaultListenType, address) if err != nil { return nil, err } s := grpc.NewServer() types.RegisterAPIServer(s, server.NewServer(sv)) go func() { glog.Infof("containerd: grpc api on %s", address) if err := s.Serve(l); err != nil { glog.Infof("containerd: serve grpc error") } }() return s, nil }
func startServer(protocol, address string, sv *supervisor.Supervisor) (*grpc.Server, error) { // TODO: We should use TLS. // TODO: Add an option for the SocketGroup. sockets, err := listeners.Init(protocol, address, "", nil) if err != nil { return nil, err } if len(sockets) != 1 { return nil, fmt.Errorf("incorrect number of listeners") } l := sockets[0] s := grpc.NewServer() types.RegisterAPIServer(s, server.NewServer(sv)) go func() { logrus.Debugf("containerd: grpc api on %s", address) if err := s.Serve(l); err != nil { logrus.WithField("error", err).Fatal("containerd: serve grpc") } }() return s, nil }