Golang Config.Endpoints方法代碼示例

// NewEtcdConfig creates a new service discovery backend for etcd
func NewEtcdConfig(config map[string]interface{}) Etcd {
	etcd := Etcd{
		Prefix: "/containerbuddy",
	}
	etcdConfig := client.Config{}
	switch endpoints := config["endpoints"].(type) {
	case string:
		etcdConfig.Endpoints = []string{endpoints}
	case []string:
		etcdConfig.Endpoints = endpoints
	default:
		log.Fatal("Must provide etcd endpoints")
	}

	prefix, ok := config["prefix"].(string)
	if ok {
		etcd.Prefix = prefix
	}

	etcdClient, err := client.New(etcdConfig)
	if err != nil {
		log.Fatal(err)
	}
	etcd.Client = etcdClient
	etcd.API = client.NewKeysAPI(etcdClient)
	return etcd
}

// SetTLS sets the tls configuration given a tls.Config scheme
func setTLS(cfg *etcd.Config, tls *tls.Config, addrs []string) {
	entries := store.CreateEndpoints(addrs, "https")
	cfg.Endpoints = entries

	// Set transport
	t := http.Transport{
		Dial: (&net.Dialer{
			Timeout:   30 * time.Second,
			KeepAlive: 30 * time.Second,
		}).Dial,
		TLSHandshakeTimeout: 10 * time.Second,
		TLSClientConfig:     tls,
	}

	cfg.Transport = &t
}

// NewEtcdConfig creates a new service discovery backend for etcd
func NewEtcdConfig(raw interface{}) (*Etcd, error) {
	etcd := &Etcd{
		Prefix: "/containerpilot",
	}
	var config etcdRawConfig
	etcdConfig := client.Config{}
	if err := utils.DecodeRaw(raw, &config); err != nil {
		return nil, err
	}
	etcdConfig.Endpoints = parseEndpoints(config.Endpoints)
	if config.Prefix != "" {
		etcd.Prefix = config.Prefix
	}

	etcdClient, err := client.New(etcdConfig)
	if err != nil {
		return nil, err
	}
	etcd.Client = etcdClient
	etcd.API = client.NewKeysAPI(etcdClient)
	return etcd, nil
}

func NewRegistry(opts ...registry.Option) registry.Registry {
	config := etcd.Config{
		Endpoints: []string{"http://127.0.0.1:2379"},
	}

	var options registry.Options
	for _, o := range opts {
		o(&options)
	}

	if options.Timeout == 0 {
		options.Timeout = etcd.DefaultRequestTimeout
	}

	if options.Secure || options.TLSConfig != nil {
		tlsConfig := options.TLSConfig
		if tlsConfig == nil {
			tlsConfig = &tls.Config{
				InsecureSkipVerify: true,
			}
		}

		// for InsecureSkipVerify
		t := &http.Transport{
			Proxy: http.ProxyFromEnvironment,
			Dial: (&net.Dialer{
				Timeout:   30 * time.Second,
				KeepAlive: 30 * time.Second,
			}).Dial,
			TLSHandshakeTimeout: 10 * time.Second,
			TLSClientConfig:     tlsConfig,
		}

		runtime.SetFinalizer(&t, func(tr **http.Transport) {
			(*tr).CloseIdleConnections()
		})

		config.Transport = t

		// default secure address
		config.Endpoints = []string{"https://127.0.0.1:2379"}
	}

	var cAddrs []string

	for _, addr := range options.Addrs {
		if len(addr) == 0 {
			continue
		}

		if options.Secure {
			// replace http:// with https:// if its there
			addr = strings.Replace(addr, "http://", "https://", 1)

			// has the prefix? no... ok add it
			if !strings.HasPrefix(addr, "https://") {
				addr = "https://" + addr
			}
		}

		cAddrs = append(cAddrs, addr)
	}

	// if we got addrs then we'll update
	if len(cAddrs) > 0 {
		config.Endpoints = cAddrs
	}

	c, _ := etcd.New(config)

	e := &etcdRegistry{
		client:  etcd.NewKeysAPI(c),
		options: options,
	}

	return e
}