コード例 #1
0
ファイル: dnet.go プロジェクト: rcgoodfellow/libnetwork
func startDiscovery(cfg *config.ClusterCfg) ([]config.Option, error) {
	if cfg == nil {
		return nil, fmt.Errorf("discovery requires a valid configuration")
	}

	hb := time.Duration(cfg.Heartbeat) * time.Second
	if hb == 0 {
		hb = defaultHeartbeat
	}
	logrus.Infof("discovery : %s $s", cfg.Discovery, hb.String())
	d, err := discovery.New(cfg.Discovery, hb, ttlFactor*hb)
	if err != nil {
		return nil, err
	}

	if cfg.Address == "" {
		iface, err := net.InterfaceByName("eth0")
		if err != nil {
			return nil, err
		}
		addrs, err := iface.Addrs()
		if err != nil || len(addrs) == 0 {
			return nil, err
		}
		ip, _, _ := net.ParseCIDR(addrs[0].String())
		cfg.Address = ip.String()
	}

	if ip := net.ParseIP(cfg.Address); ip == nil {
		return nil, errors.New("address config should be either ipv4 or ipv6 address")
	}

	if err := d.Register(cfg.Address + ":0"); err != nil {
		return nil, err
	}

	options := []config.Option{config.OptionDiscoveryWatcher(d), config.OptionDiscoveryAddress(cfg.Address)}
	go func() {
		for {
			select {
			case <-time.After(hb):
				if err := d.Register(cfg.Address + ":0"); err != nil {
					logrus.Warn(err)
				}
			}
		}
	}()
	return options, nil
}
コード例 #2
0
ファイル: daemon.go プロジェクト: shakamunyi/docker
func (daemon *Daemon) networkOptions(dconfig *Config, pg plugingetter.PluginGetter, activeSandboxes map[string]interface{}) ([]nwconfig.Option, error) {
	options := []nwconfig.Option{}
	if dconfig == nil {
		return options, nil
	}

	options = append(options, nwconfig.OptionExperimental(dconfig.Experimental))
	options = append(options, nwconfig.OptionDataDir(dconfig.Root))
	options = append(options, nwconfig.OptionExecRoot(dconfig.GetExecRoot()))

	dd := runconfig.DefaultDaemonNetworkMode()
	dn := runconfig.DefaultDaemonNetworkMode().NetworkName()
	options = append(options, nwconfig.OptionDefaultDriver(string(dd)))
	options = append(options, nwconfig.OptionDefaultNetwork(dn))

	if strings.TrimSpace(dconfig.ClusterStore) != "" {
		kv := strings.Split(dconfig.ClusterStore, "://")
		if len(kv) != 2 {
			return nil, errors.New("kv store daemon config must be of the form KV-PROVIDER://KV-URL")
		}
		options = append(options, nwconfig.OptionKVProvider(kv[0]))
		options = append(options, nwconfig.OptionKVProviderURL(kv[1]))
	}
	if len(dconfig.ClusterOpts) > 0 {
		options = append(options, nwconfig.OptionKVOpts(dconfig.ClusterOpts))
	}

	if daemon.discoveryWatcher != nil {
		options = append(options, nwconfig.OptionDiscoveryWatcher(daemon.discoveryWatcher))
	}

	if dconfig.ClusterAdvertise != "" {
		options = append(options, nwconfig.OptionDiscoveryAddress(dconfig.ClusterAdvertise))
	}

	options = append(options, nwconfig.OptionLabels(dconfig.Labels))
	options = append(options, driverOptions(dconfig)...)

	if daemon.configStore != nil && daemon.configStore.LiveRestoreEnabled && len(activeSandboxes) != 0 {
		options = append(options, nwconfig.OptionActiveSandboxes(activeSandboxes))
	}

	if pg != nil {
		options = append(options, nwconfig.OptionPluginGetter(pg))
	}

	return options, nil
}
コード例 #3
0
ファイル: daemon_unix.go プロジェクト: hayderimran7/docker
func (daemon *Daemon) networkOptions(dconfig *Config) ([]nwconfig.Option, error) {
	options := []nwconfig.Option{}
	if dconfig == nil {
		return options, nil
	}

	options = append(options, nwconfig.OptionDataDir(dconfig.Root))

	if strings.TrimSpace(dconfig.DefaultNetwork) != "" {
		dn := strings.Split(dconfig.DefaultNetwork, ":")
		if len(dn) < 2 {
			return nil, fmt.Errorf("default network daemon config must be of the form NETWORKDRIVER:NETWORKNAME")
		}
		options = append(options, nwconfig.OptionDefaultDriver(dn[0]))
		options = append(options, nwconfig.OptionDefaultNetwork(strings.Join(dn[1:], ":")))
	} else {
		dd := runconfig.DefaultDaemonNetworkMode()
		dn := runconfig.DefaultDaemonNetworkMode().NetworkName()
		options = append(options, nwconfig.OptionDefaultDriver(string(dd)))
		options = append(options, nwconfig.OptionDefaultNetwork(dn))
	}

	if strings.TrimSpace(dconfig.ClusterStore) != "" {
		kv := strings.Split(dconfig.ClusterStore, "://")
		if len(kv) != 2 {
			return nil, fmt.Errorf("kv store daemon config must be of the form KV-PROVIDER://KV-URL")
		}
		options = append(options, nwconfig.OptionKVProvider(kv[0]))
		options = append(options, nwconfig.OptionKVProviderURL(kv[1]))
	}
	if len(dconfig.ClusterOpts) > 0 {
		options = append(options, nwconfig.OptionKVOpts(dconfig.ClusterOpts))
	}

	if daemon.discoveryWatcher != nil {
		options = append(options, nwconfig.OptionDiscoveryWatcher(daemon.discoveryWatcher))
	}

	if dconfig.ClusterAdvertise != "" {
		options = append(options, nwconfig.OptionDiscoveryAddress(dconfig.ClusterAdvertise))
	}

	options = append(options, nwconfig.OptionLabels(dconfig.Labels))
	options = append(options, driverOptions(dconfig)...)
	return options, nil
}