Пример #1
0
func mainDaemon() {
	if flag.NArg() != 0 {
		flag.Usage()
		return
	}
	eng := engine.New()
	signal.Trap(eng.Shutdown)
	// Load builtins
	if err := builtins.Register(eng); err != nil {
		log.Fatal(err)
	}

	// load the daemon in the background so we can immediately start
	// the http api so that connections don't fail while the daemon
	// is booting
	go func() {
		d, err := daemon.NewDaemon(daemonCfg, eng)
		if err != nil {
			log.Fatal(err)
		}
		if err := d.Install(eng); err != nil {
			log.Fatal(err)
		}

		b := &builder.BuilderJob{eng, d}
		b.Install()

		// after the daemon is done setting up we can tell the api to start
		// accepting connections
		if err := eng.Job("acceptconnections").Run(); err != nil {
			log.Fatal(err)
		}
	}()
	// TODO actually have a resolved graphdriver to show?
	log.Infof("docker daemon: %s %s; execdriver: %s; graphdriver: %s",
		dockerversion.VERSION,
		dockerversion.GITCOMMIT,
		daemonCfg.ExecDriver,
		daemonCfg.GraphDriver,
	)

	// Serve api
	job := eng.Job("serveapi", flHosts...)
	job.SetenvBool("Logging", true)
	job.SetenvBool("EnableCors", *flEnableCors)
	job.Setenv("Version", dockerversion.VERSION)
	job.Setenv("SocketGroup", *flSocketGroup)

	job.SetenvBool("Tls", *flTls)
	job.SetenvBool("TlsVerify", *flTlsVerify)
	job.Setenv("TlsCa", *flCa)
	job.Setenv("TlsCert", *flCert)
	job.Setenv("TlsKey", *flKey)
	job.SetenvBool("BufferRequests", true)
	if err := job.Run(); err != nil {
		log.Fatal(err)
	}
}
Пример #2
0
func main() {
	if reexec.Init() {
		return
	}
	flag.Parse()
	// FIXME: validate daemon flags here

	if *flVersion {
		showVersion()
		return
	}
	if *flDebug {
		os.Setenv("DEBUG", "1")
	}

	if len(flHosts) == 0 {
		defaultHost := os.Getenv("DOCKER_HOST")
		if defaultHost == "" || *flDaemon {
			// If we do not have a host, default to unix socket
			defaultHost = fmt.Sprintf("unix://%s", api.DEFAULTUNIXSOCKET)
		}
		defaultHost, err := api.ValidateHost(defaultHost)
		if err != nil {
			log.Fatal(err)
		}
		flHosts = append(flHosts, defaultHost)
	}

	if *flDaemon {
		mainDaemon()
		return
	}

	if len(flHosts) > 1 {
		log.Fatal("Please specify only one -H")
	}
	protoAddrParts := strings.SplitN(flHosts[0], "://", 2)

	var (
		cli       *client.DockerCli
		tlsConfig tls.Config
	)
	tlsConfig.InsecureSkipVerify = true

	// If we should verify the server, we need to load a trusted ca
	if *flTlsVerify {
		*flTls = true
		certPool := x509.NewCertPool()
		file, err := ioutil.ReadFile(*flCa)
		if err != nil {
			log.Fatalf("Couldn't read ca cert %s: %s", *flCa, err)
		}
		certPool.AppendCertsFromPEM(file)
		tlsConfig.RootCAs = certPool
		tlsConfig.InsecureSkipVerify = false
	}

	// If tls is enabled, try to load and send client certificates
	if *flTls || *flTlsVerify {
		_, errCert := os.Stat(*flCert)
		_, errKey := os.Stat(*flKey)
		if errCert == nil && errKey == nil {
			*flTls = true
			cert, err := tls.LoadX509KeyPair(*flCert, *flKey)
			if err != nil {
				log.Fatalf("Couldn't load X509 key pair: %s. Key encrypted?", err)
			}
			tlsConfig.Certificates = []tls.Certificate{cert}
		}
	}

	if *flTls || *flTlsVerify {
		cli = client.NewDockerCli(os.Stdin, os.Stdout, os.Stderr, nil, protoAddrParts[0], protoAddrParts[1], &tlsConfig)
	} else {
		cli = client.NewDockerCli(os.Stdin, os.Stdout, os.Stderr, nil, protoAddrParts[0], protoAddrParts[1], nil)
	}

	if err := cli.Cmd(flag.Args()...); err != nil {
		if sterr, ok := err.(*utils.StatusError); ok {
			if sterr.Status != "" {
				log.Infof("%s", sterr.Status)
			}
			os.Exit(sterr.StatusCode)
		}
		log.Fatal(err)
	}
}
Пример #3
0
func mainDaemon() {
	log.Fatal("This is a client-only binary - running the Docker daemon is not supported.")
}