Beispiel #1
0
func daemon(pidfile, addr string, port int, autoRestart bool) error {
	if addr != "127.0.0.1" {
		log.Println("/!\\ DON'T BIND ON ANOTHER IP ADDRESS THAN 127.0.0.1 IF YOU DON'T KNOW WHAT YOU'RE DOING /!\\")
	}
	if err := createPidFile(pidfile); err != nil {
		log.Fatal(err)
	}
	defer removePidFile(pidfile)

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, os.Kill, os.Signal(syscall.SIGTERM))
	go func() {
		sig := <-c
		log.Printf("Received signal '%v', exiting\n", sig)
		removePidFile(pidfile)
		os.Exit(0)
	}()

	server, err := docker.NewServer(autoRestart)
	if err != nil {
		return err
	}

	return docker.ListenAndServe(fmt.Sprintf("%s:%d", addr, port), server, true)
}
Beispiel #2
0
func daemon() error {
	service, err := docker.NewServer()
	if err != nil {
		return err
	}
	return rcli.ListenAndServe("tcp", "127.0.0.1:4242", service)
}
Beispiel #3
0
func runCommand(args []string) error {
	var oldState *term.State
	var err error
	if term.IsTerminal(int(os.Stdin.Fd())) && os.Getenv("NORAW") == "" {
		oldState, err = term.MakeRaw(int(os.Stdin.Fd()))
		if err != nil {
			return err
		}
		defer term.Restore(int(os.Stdin.Fd()), oldState)
		c := make(chan os.Signal, 1)
		signal.Notify(c, os.Interrupt)
		go func() {
			for _ = range c {
				term.Restore(int(os.Stdin.Fd()), oldState)
				log.Printf("\nSIGINT received\n")
				os.Exit(0)
			}
		}()
	}
	// FIXME: we want to use unix sockets here, but net.UnixConn doesn't expose
	// CloseWrite(), which we need to cleanly signal that stdin is closed without
	// closing the connection.
	// See http://code.google.com/p/go/issues/detail?id=3345
	if conn, err := rcli.Call("tcp", "127.0.0.1:4242", args...); err == nil {
		receiveStdout := docker.Go(func() error {
			_, err := io.Copy(os.Stdout, conn)
			return err
		})
		sendStdin := docker.Go(func() error {
			_, err := io.Copy(conn, os.Stdin)
			if err := conn.CloseWrite(); err != nil {
				log.Printf("Couldn't send EOF: " + err.Error())
			}
			return err
		})
		if err := <-receiveStdout; err != nil {
			return err
		}
		if !term.IsTerminal(int(os.Stdin.Fd())) {
			if err := <-sendStdin; err != nil {
				return err
			}
		}
	} else {
		service, err := docker.NewServer()
		if err != nil {
			return err
		}
		if err := rcli.LocalCall(service, os.Stdin, os.Stdout, args...); err != nil {
			return err
		}
	}
	if oldState != nil {
		term.Restore(int(os.Stdin.Fd()), oldState)
	}
	return nil
}
Beispiel #4
0
func daemon(config *docker.DaemonConfig) error {
	if err := createPidFile(config.Pidfile); err != nil {
		log.Fatal(err)
	}
	defer removePidFile(config.Pidfile)

	server, err := docker.NewServer(config)
	if err != nil {
		return err
	}
	defer server.Close()

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, os.Kill, os.Signal(syscall.SIGTERM))
	go func() {
		sig := <-c
		log.Printf("Received signal '%v', exiting\n", sig)
		server.Close()
		removePidFile(config.Pidfile)
		os.Exit(0)
	}()

	chErrors := make(chan error, len(config.ProtoAddresses))
	for _, protoAddr := range config.ProtoAddresses {
		protoAddrParts := strings.SplitN(protoAddr, "://", 2)
		if protoAddrParts[0] == "unix" {
			syscall.Unlink(protoAddrParts[1])
		} else if protoAddrParts[0] == "tcp" {
			if !strings.HasPrefix(protoAddrParts[1], "127.0.0.1") {
				log.Println("/!\\ DON'T BIND ON ANOTHER IP ADDRESS THAN 127.0.0.1 IF YOU DON'T KNOW WHAT YOU'RE DOING /!\\")
			}
		} else {
			server.Close()
			removePidFile(config.Pidfile)
			log.Fatal("Invalid protocol format.")
		}
		go func() {
			chErrors <- docker.ListenAndServe(protoAddrParts[0], protoAddrParts[1], server, true)
		}()
	}
	for i := 0; i < len(config.ProtoAddresses); i += 1 {
		err := <-chErrors
		if err != nil {
			return err
		}
	}
	return nil
}
Beispiel #5
0
func runCommand(args []string) error {
	// FIXME: we want to use unix sockets here, but net.UnixConn doesn't expose
	// CloseWrite(), which we need to cleanly signal that stdin is closed without
	// closing the connection.
	// See http://code.google.com/p/go/issues/detail?id=3345
	if conn, err := rcli.Call("tcp", "127.0.0.1:4242", args...); err == nil {
		options := conn.GetOptions()
		if options.RawTerminal &&
			term.IsTerminal(int(os.Stdin.Fd())) &&
			os.Getenv("NORAW") == "" {
			if oldState, err := rcli.SetRawTerminal(); err != nil {
				return err
			} else {
				defer rcli.RestoreTerminal(oldState)
			}
		}
		receiveStdout := docker.Go(func() error {
			_, err := io.Copy(os.Stdout, conn)
			return err
		})
		sendStdin := docker.Go(func() error {
			_, err := io.Copy(conn, os.Stdin)
			if err := conn.CloseWrite(); err != nil {
				log.Printf("Couldn't send EOF: " + err.Error())
			}
			return err
		})
		if err := <-receiveStdout; err != nil {
			return err
		}
		if !term.IsTerminal(int(os.Stdin.Fd())) {
			if err := <-sendStdin; err != nil {
				return err
			}
		}
	} else {
		service, err := docker.NewServer()
		if err != nil {
			return err
		}
		dockerConn := rcli.NewDockerLocalConn(os.Stdout)
		defer dockerConn.Close()
		if err := rcli.LocalCall(service, os.Stdin, dockerConn, args...); err != nil {
			return err
		}
	}
	return nil
}
Beispiel #6
0
func daemon(pidfile string, protoAddrs []string, autoRestart, enableCors bool, flDns string) error {
	if err := createPidFile(pidfile); err != nil {
		log.Fatal(err)
	}
	defer removePidFile(pidfile)

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, os.Kill, os.Signal(syscall.SIGTERM))
	go func() {
		sig := <-c
		log.Printf("Received signal '%v', exiting\n", sig)
		removePidFile(pidfile)
		os.Exit(0)
	}()
	var dns []string
	if flDns != "" {
		dns = []string{flDns}
	}
	server, err := docker.NewServer(autoRestart, enableCors, dns)
	if err != nil {
		return err
	}
	chErrors := make(chan error, len(protoAddrs))
	for _, protoAddr := range protoAddrs {
		protoAddrParts := strings.SplitN(protoAddr, "://", 2)
		if protoAddrParts[0] == "unix" {
			syscall.Unlink(protoAddrParts[1])
		} else if protoAddrParts[0] == "tcp" {
			if !strings.HasPrefix(protoAddrParts[1], "127.0.0.1") {
				log.Println("/!\\ DON'T BIND ON ANOTHER IP ADDRESS THAN 127.0.0.1 IF YOU DON'T KNOW WHAT YOU'RE DOING /!\\")
			}
		} else {
			log.Fatal("Invalid protocol format.")
			os.Exit(-1)
		}
		go func() {
			chErrors <- docker.ListenAndServe(protoAddrParts[0], protoAddrParts[1], server, true)
		}()
	}
	for i := 0; i < len(protoAddrs); i += 1 {
		err := <-chErrors
		if err != nil {
			return err
		}
	}
	return nil
}
Beispiel #7
0
func daemon(pidfile string) error {
	if err := createPidFile(pidfile); err != nil {
		log.Fatal(err)
	}
	defer removePidFile(pidfile)

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, os.Kill, os.Signal(syscall.SIGTERM))
	go func() {
		sig := <-c
		log.Printf("Received signal '%v', exiting\n", sig)
		removePidFile(pidfile)
		os.Exit(0)
	}()

	service, err := docker.NewServer()
	if err != nil {
		return err
	}
	return rcli.ListenAndServe("tcp", "127.0.0.1:4242", service)
}
Beispiel #8
0
func daemon(pidfile string, autoRestart bool) error {
	if err := createPidFile(pidfile); err != nil {
		log.Fatal(err)
	}
	defer removePidFile(pidfile)

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, os.Kill, os.Signal(syscall.SIGTERM))
	go func() {
		sig := <-c
		log.Printf("Received signal '%v', exiting\n", sig)
		removePidFile(pidfile)
		os.Exit(0)
	}()

	server, err := docker.NewServer(autoRestart)
	if err != nil {
		return err
	}

	return docker.ListenAndServe("0.0.0.0:4243", server, true)
}