Golang Config.Password方法代碼示例

//.........這裏部分代碼省略.........
	var err error

	if ifaceName != "" {
		config.Iface, err = weavenet.EnsureInterface(ifaceName, wait)
		if err != nil {
			Log.Fatal(err)
		}
	}

	if routerName == "" {
		if config.Iface == nil {
			Log.Fatal("Either an interface must be specified with --iface or a name with -name")
		}
		routerName = config.Iface.HardwareAddr.String()
	}
	name, err := weave.PeerNameFromUserInput(routerName)
	if err != nil {
		Log.Fatal(err)
	}

	if nickName == "" {
		nickName, err = os.Hostname()
		if err != nil {
			Log.Fatal(err)
		}
	}

	if password == "" {
		password = os.Getenv("WEAVE_PASSWORD")
	}
	if password == "" {
		Log.Println("Communication between peers is unencrypted.")
	} else {
		config.Password = []byte(password)
		Log.Println("Communication between peers is encrypted.")
	}

	if prof != "" {
		p := *profile.CPUProfile
		p.ProfilePath = prof
		p.NoShutdownHook = true
		defer profile.Start(&p).Stop()
	}

	config.BufSz = bufSzMB * 1024 * 1024
	config.LogFrame = logFrameFunc(pktdebug)
	config.PeerDiscovery = !noDiscovery

	router := weave.NewRouter(config, name, nickName)
	Log.Println("Our name is", router.Ourself)

	dockerCli, err := docker.NewClient(apiPath)
	if err != nil {
		Log.Fatal("Unable to start docker client: ", err)
	}

	var allocator *ipam.Allocator
	var defaultSubnet address.CIDR
	if iprangeCIDR != "" {
		allocator, defaultSubnet = createAllocator(router, iprangeCIDR, ipsubnetCIDR, determineQuorum(peerCount, peers))
		if err = dockerCli.AddObserver(allocator); err != nil {
			Log.Fatal("Unable to start watcher", err)
		}
	} else if peerCount > 0 {
		Log.Fatal("--init-peer-count flag specified without --ipalloc-range")
	}

//.........這裏部分代碼省略.........
		// the datapath.
		fastdp, err := weave.NewFastDatapath(weave.FastDatapathConfig{
			DatapathName: datapathName,
			Port:         config.Port,
		})

		checkFatal(err)
		config.Bridge = fastdp.Bridge()
		fastDPOverlay = fastdp.Overlay()
	}

	if ifaceName != "" {
		// -iface can coexist with -datapath, because
		// pcap-based packet capture is a bit more efficient
		// than capture via ODP misses, even when using an
		// ODP-based bridge.  So when using weave encyption,
		// it's preferable to use -iface.
		var err error
		iface, err = weavenet.EnsureInterface(ifaceName)
		checkFatal(err)

		// bufsz flag is in MB
		config.Bridge, err = weave.NewPcap(iface, bufSzMB*1024*1024)
		checkFatal(err)
	}

	if password == "" {
		password = os.Getenv("WEAVE_PASSWORD")
	}

	if password == "" {
		Log.Println("Communication between peers is unencrypted.")
	} else {
		config.Password = []byte(password)
		Log.Println("Communication between peers is encrypted.")

		// fastdp doesn't support encryption
		fastDPOverlay = nil
	}

	overlays := weave.NewOverlaySwitch()
	if fastDPOverlay != nil {
		overlays.Add("fastdp", fastDPOverlay)
	}
	sleeve := weave.NewSleeveOverlay(config.Port)
	overlays.Add("sleeve", sleeve)
	overlays.SetCompatOverlay(sleeve)
	config.Overlay = overlays

	if routerName == "" {
		if iface == nil {
			Log.Fatal("Either an interface must be specified with --iface or a name with -name")
		}
		routerName = iface.HardwareAddr.String()
	}

	name, err := weave.PeerNameFromUserInput(routerName)
	checkFatal(err)

	if nickName == "" {
		nickName, err = os.Hostname()
		checkFatal(err)
	}

	if prof != "" {
		p := *profile.CPUProfile

//.........這裏部分代碼省略.........

		// bufsz flag is in MB
		config.Bridge, err = weave.NewPcap(iface, bufSzMB*1024*1024)
		if err != nil {
			Log.Fatal(err)
		}
	}

	if routerName == "" {
		if iface == nil {
			Log.Fatal("Either an interface must be specified with --iface or a name with -name")
		}
		routerName = iface.HardwareAddr.String()
	}

	name, err := weave.PeerNameFromUserInput(routerName)
	if err != nil {
		Log.Fatal(err)
	}

	if nickName == "" {
		nickName, err = os.Hostname()
		if err != nil {
			Log.Fatal(err)
		}
	}

	if password == "" {
		password = os.Getenv("WEAVE_PASSWORD")
	}
	if password == "" {
		Log.Println("Communication between peers is unencrypted.")
	} else {
		config.Password = []byte(password)
		Log.Println("Communication between peers is encrypted.")
	}

	if prof != "" {
		p := *profile.CPUProfile
		p.ProfilePath = prof
		p.NoShutdownHook = true
		defer profile.Start(&p).Stop()
	}

	config.PeerDiscovery = !noDiscovery
	config.Overlay = weave.NewSleeveOverlay(config.Port)

	if pktdebug {
		config.PacketLogging = packetLogging{}
	} else {
		config.PacketLogging = nopPacketLogging{}
	}

	router := weave.NewRouter(config, name, nickName)
	Log.Println("Our name is", router.Ourself)

	var dockerCli *docker.Client
	if dockerAPI != "" {
		dc, err := docker.NewClient(dockerAPI)
		if err != nil {
			Log.Fatal("Unable to start docker client: ", err)
		}
		dockerCli = dc
	}
	observeContainers := func(o docker.ContainerObserver) {
		if dockerCli != nil {

func main() {
	procs := runtime.NumCPU()
	// packet sniffing can block an OS thread, so we need one thread
	// for that plus at least one more.
	if procs < 2 {
		procs = 2
	}
	runtime.GOMAXPROCS(procs)

	var (
		config       weave.Config
		justVersion  bool
		ifaceName    string
		routerName   string
		nickName     string
		password     string
		wait         int
		pktdebug     bool
		logLevel     string
		prof         string
		bufSzMB      int
		noDiscovery  bool
		httpAddr     string
		iprangeCIDR  string
		ipsubnetCIDR string
		peerCount    int
		apiPath      string
		peers        []string
	)

	flag.BoolVar(&justVersion, "version", false, "print version and exit")
	flag.IntVar(&config.Port, "port", weave.Port, "router port")
	flag.StringVar(&ifaceName, "iface", "", "name of interface to capture/inject from (disabled if blank)")
	flag.StringVar(&routerName, "name", "", "name of router (defaults to MAC of interface)")
	flag.StringVar(&nickName, "nickname", "", "nickname of peer (defaults to hostname)")
	flag.StringVar(&password, "password", "", "network password")
	flag.IntVar(&wait, "wait", -1, "number of seconds to wait for interface to come up (0=don't wait, -1=wait forever)")
	flag.StringVar(&logLevel, "log-level", "info", "logging level (debug, info, warning, error)")
	flag.BoolVar(&pktdebug, "pktdebug", false, "enable per-packet debug logging")
	flag.StringVar(&prof, "profile", "", "enable profiling and write profiles to given path")
	flag.IntVar(&config.ConnLimit, "connlimit", 30, "connection limit (0 for unlimited)")
	flag.BoolVar(&noDiscovery, "nodiscovery", false, "disable peer discovery")
	flag.IntVar(&bufSzMB, "bufsz", 8, "capture buffer size in MB")
	flag.StringVar(&httpAddr, "httpaddr", fmt.Sprintf(":%d", weave.HTTPPort), "address to bind HTTP interface to (disabled if blank, absolute path indicates unix domain socket)")
	flag.StringVar(&iprangeCIDR, "iprange", "", "IP address range reserved for automatic allocation, in CIDR notation")
	flag.StringVar(&ipsubnetCIDR, "ipsubnet", "", "subnet to allocate within by default, in CIDR notation")
	flag.IntVar(&peerCount, "initpeercount", 0, "number of peers in network (for IP address allocation)")
	flag.StringVar(&apiPath, "api", "unix:///var/run/docker.sock", "Path to Docker API socket")
	flag.Parse()
	peers = flag.Args()

	SetLogLevel(logLevel)
	if justVersion {
		fmt.Printf("weave router %s\n", version)
		os.Exit(0)
	}

	Log.Println("Command line options:", options())
	Log.Println("Command line peers:", peers)

	var err error

	if ifaceName != "" {
		config.Iface, err = weavenet.EnsureInterface(ifaceName, wait)
		if err != nil {
			Log.Fatal(err)
		}
	}

	if routerName == "" {
		if config.Iface == nil {
			Log.Fatal("Either an interface must be specified with -iface or a name with -name")
		}
		routerName = config.Iface.HardwareAddr.String()
	}
	name, err := weave.PeerNameFromUserInput(routerName)
	if err != nil {
		Log.Fatal(err)
	}

	if nickName == "" {
		nickName, err = os.Hostname()
		if err != nil {
			Log.Fatal(err)
		}
	}

	if password == "" {
		password = os.Getenv("WEAVE_PASSWORD")
	}
	if password == "" {
		Log.Println("Communication between peers is unencrypted.")
	} else {
		config.Password = []byte(password)
		Log.Println("Communication between peers is encrypted.")
	}

	if prof != "" {
		p := *profile.CPUProfile
		p.ProfilePath = prof
//.........這裏部分代碼省略.........