Esempio n. 1
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// Start starts the daemon.
func Start(
	ctx apitypes.Context,
	config gofig.Config,
	host string,
	stop <-chan os.Signal) (<-chan error, error) {

	var (
		err           error
		errs          = make(chan error)
		daemonErrChan <-chan error
	)

	if daemonErrChan, err = start(ctx, config, host, stop); err != nil {
		ctx.WithError(err).Error("daemon failed to initialize")
		return nil, err
	}

	ctx.Info("service successfully initialized, waiting on stop signal")

	go func() {
		sig := <-stop
		ctx.WithField("signal", sig).Info("service received stop signal")
		util.WaitUntilLibStorageStopped(ctx, daemonErrChan)
		close(errs)
	}()

	return errs, nil
}
Esempio n. 2
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func (d *driver) findMachineByNameOrID(
	ctx types.Context, nameOrID string) (*vboxc.Machine, error) {

	ctx.WithField("nameOrID", nameOrID).Debug("finding local machine")

	m, err := d.vbox.FindMachine(nameOrID)
	if err != nil {
		return nil, err
	}
	if m == nil {
		return nil, goof.New("could not find machine")
	}

	if id, err := m.GetID(); err == nil {
		m.ID = id
	} else {
		return nil, err
	}

	if name, err := m.GetName(); err == nil {
		m.Name = name
	} else {
		return nil, err
	}

	return m, nil
}
Esempio n. 3
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func (s *server) handleWithMiddleware(
	ctx types.Context,
	route types.Route) types.APIFunc {

	/*if route.GetMethod() == "HEAD" {
		return route.GetHandler()
	}*/

	handler := route.GetHandler()

	middlewaresForRouteName, ok := s.routeHandlers[route.GetName()]
	if !ok {
		ctx.Warn("no middlewares for route")
	} else {
		for h := range reverse(middlewaresForRouteName) {
			handler = h.Handler(handler)
			ctx.WithField(
				"middleware", h.Name()).Debug("added route middleware")
		}
	}

	// add the global handlers
	for h := range reverse(s.globalHandlers) {
		handler = h.Handler(handler)
		ctx.WithField(
			"middleware", h.Name()).Debug("added global middleware")
	}

	return handler
}
Esempio n. 4
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func (c *client) getExecutorChecksum(ctx types.Context) (string, error) {

	if c.isController() {
		return "", utils.NewUnsupportedForClientTypeError(
			c.clientType, "getExecutorChecksum")
	}

	ctx.Debug("getting executor checksum")

	f, err := os.Open(types.LSX.String())
	if err != nil {
		return "", err
	}
	defer f.Close()

	h := md5.New()
	buf := make([]byte, 1024)
	for {
		n, err := f.Read(buf)
		if err == io.EOF {
			break
		}
		if err != nil {
			return "", err
		}
		if _, err := h.Write(buf[:n]); err != nil {
			return "", err
		}
	}

	sum := fmt.Sprintf("%x", h.Sum(nil))
	ctx.WithField("localChecksum", sum).Debug("got local executor checksum")
	return sum, nil
}
Esempio n. 5
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func (c *client) downloadExecutor(ctx types.Context) error {

	if c.isController() {
		return utils.NewUnsupportedForClientTypeError(
			c.clientType, "downloadExecutor")
	}

	ctx.Debug("downloading executor")

	f, err := os.OpenFile(
		types.LSX.String(),
		os.O_CREATE|os.O_RDWR|os.O_TRUNC,
		0755)
	if err != nil {
		return err
	}

	defer f.Close()

	rdr, err := c.APIClient.ExecutorGet(ctx, types.LSX.Name())
	n, err := io.Copy(f, rdr)
	if err != nil {
		return err
	}

	if err := f.Sync(); err != nil {
		return err
	}

	ctx.WithField("bytes", n).Debug("downloaded executor")
	return nil
}
Esempio n. 6
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// initDefaultLibStorageServices initializes the config object with a default
// libStorage service if one is not present.
//
// TODO Move this into libStorage in libStorage 0.1.2
func initDefaultLibStorageServices(
	ctx apitypes.Context, config gofig.Config) error {

	if config.IsSet(apitypes.ConfigServices) {
		ctx.Debug(
			"libStorage auto service mode disabled; services defined")
		return nil
	}

	serviceName := config.GetString(apitypes.ConfigService)
	if serviceName == "" {
		ctx.Debug(
			"libStorage auto service mode disabled; service name empty")
		return nil
	}

	ctx.WithField("driver", serviceName).Info(
		"libStorage auto service mode enabled")

	buf := &bytes.Buffer{}
	fmt.Fprintf(buf, defaultServiceConfigFormat, serviceName)

	if err := config.ReadConfig(buf); err != nil {
		return err
	}

	return nil
}
Esempio n. 7
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func (d *driver) Init(ctx types.Context, config gofig.Config) error {
	d.ctx = ctx
	d.config = config

	d.volPath = vfs.VolumesDirPath(config)
	d.snapPath = vfs.SnapshotsDirPath(config)

	ctx.WithField("vfs.root.path", vfs.RootDir(config)).Info("vfs.root")

	os.MkdirAll(d.volPath, 0755)
	os.MkdirAll(d.snapPath, 0755)

	d.volJSONGlobPatt = fmt.Sprintf("%s/*.json", d.volPath)
	d.snapJSONGlobPatt = fmt.Sprintf("%s/*.json", d.snapPath)

	volJSONPaths, err := d.getVolJSONs()
	if err != nil {
		return nil
	}
	d.volCount = int64(len(volJSONPaths)) - 1

	snapJSONPaths, err := d.getSnapJSONs()
	if err != nil {
		return nil
	}
	d.snapCount = int64(len(snapJSONPaths)) - 1

	return nil
}
Esempio n. 8
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func (s *storageService) initStorageDriver(ctx types.Context) error {
	driverName := s.config.GetString("driver")
	if driverName == "" {
		driverName = s.config.GetString("libstorage.driver")
		if driverName == "" {
			driverName = s.config.GetString("libstorage.storage.driver")
			if driverName == "" {
				return goof.WithField(
					"service", s.name, "error getting driver name")
			}
		}
	}

	ctx.WithField("driverName", driverName).Debug("got driver name")
	driver, err := registry.NewStorageDriver(driverName)
	if err != nil {
		return err
	}

	ctx = ctx.WithValue(context.DriverKey, driver)

	if err := driver.Init(ctx, s.config); err != nil {
		return err
	}

	s.driver = driver
	return nil
}
Esempio n. 9
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File: util.go Progetto: akutz/rexray
func setHost(
	ctx apitypes.Context,
	config gofig.Config,
	host string) apitypes.Context {
	ctx = ctx.WithValue(context.HostKey, host)
	ctx.WithField("host", host).Debug("set host in context")
	config.Set(apitypes.ConfigHost, host)
	ctx.WithField("host", host).Debug("set host in config")
	return ctx
}
Esempio n. 10
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func (d *driver) createVolume(
	ctx types.Context, name string, size int64) (*vboxc.Medium, error) {

	if name == "" {
		return nil, goof.New("name is empty")
	}
	path := filepath.Join(d.volumePath(), name)
	ctx.WithField("path", path).Debug("creating vmdk")
	return d.vbox.CreateMedium("vmdk", path, size)
}
Esempio n. 11
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// VolumeAttach attaches a volume and provides a token clients can use
// to validate that device has appeared locally.
func (d *driver) VolumeAttach(
	ctx types.Context,
	volumeID string,
	opts *types.VolumeAttachOpts) (*types.Volume, string, error) {

	svc := mustSession(ctx)

	vol, err := d.VolumeInspect(ctx, volumeID,
		&types.VolumeInspectOpts{Attachments: types.VolAttReqTrue})
	if err != nil {
		return nil, "", err
	}

	iid := context.MustInstanceID(ctx)

	var ma *types.VolumeAttachment
	for _, att := range vol.Attachments {
		if att.InstanceID.ID == iid.ID {
			ma = att
			break
		}
	}

	// No mount targets were found
	if ma == nil {

		secGrpIDs := d.secGroups
		if v, ok := iid.Fields[efs.InstanceIDFieldSecurityGroups]; ok {
			iSecGrpIDs := strings.Split(v, ";")
			ctx.WithField("secGrpIDs", iSecGrpIDs).Debug(
				"using instance security group IDs")
			secGrpIDs = iSecGrpIDs
		}

		if len(secGrpIDs) == 0 {
			return nil, "", errInvalidSecGroups
		}

		request := &awsefs.CreateMountTargetInput{
			FileSystemId:   aws.String(vol.ID),
			SubnetId:       aws.String(iid.ID),
			SecurityGroups: aws.StringSlice(secGrpIDs),
		}
		// TODO(mhrabovcin): Should we block here until MountTarget is in
		// "available" LifeCycleState? Otherwise mount could fail until creation
		//  is completed.
		_, err = svc.CreateMountTarget(request)
		// Failed to create mount target
		if err != nil {
			return nil, "", err
		}
	}

	return vol, "", err
}
Esempio n. 12
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func (c *client) dial(ctx types.Context) error {

	ctx.WithField("path", lsxMutex).Info("lsx lock file path")

	svcInfos, err := c.Services(ctx)
	if err != nil {
		return err
	}

	// controller clients do not have any additional dialer logic
	if c.isController() {
		return nil
	}

	store := utils.NewStore()
	c.ctx = c.ctx.WithValue(context.ServerKey, c.ServerName())

	if !c.config.GetBool(types.ConfigExecutorNoDownload) {

		ctx.Info("initializing executors cache")
		if _, err := c.Executors(ctx); err != nil {
			return err
		}

		if err := c.updateExecutor(ctx); err != nil {
			return err
		}
	}

	for service, _ := range svcInfos {
		ctx := c.ctx.WithValue(context.ServiceKey, service)
		ctx.Info("initializing supported cache")
		supported, err := c.Supported(ctx, store)
		if err != nil {
			return goof.WithError("error initializing supported cache", err)
		}

		if !supported {
			ctx.Warn("executor not supported")
			continue
		}

		ctx.Info("initializing instance ID cache")
		if _, err := c.InstanceID(ctx, store); err != nil {
			if err == types.ErrNotImplemented {
				ctx.WithError(err).Warn("cannot get instance ID")
				continue
			}
			return goof.WithError("error initializing instance ID cache", err)
		}
	}

	return nil
}
Esempio n. 13
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// Init initializes the service.
func (s *globalTaskService) Init(ctx types.Context, config gofig.Config) error {
	s.tasks = map[int]*task{}
	s.config = config

	s.resultSchemaValidationEnabled = config.GetBool(
		types.ConfigSchemaResponseValidationEnabled)
	ctx.WithField("enabled", s.resultSchemaValidationEnabled).Debug(
		"configured result schema validation")

	return nil
}
Esempio n. 14
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// InitializeDefaultModules initializes the default modules.
func InitializeDefaultModules(
	ctx apitypes.Context,
	config gofig.Config) (<-chan error, error) {

	modTypesRwl.RLock()
	defer modTypesRwl.RUnlock()

	var (
		err  error
		mod  *Instance
		errs <-chan error
	)

	// enable path caching for the modules
	config.Set(apitypes.ConfigIgVolOpsPathCacheEnabled, true)

	ctx, config, errs, err = util.ActivateLibStorage(ctx, config)
	if err != nil {
		return nil, err
	}

	modConfigs, err := getConfiguredModules(ctx, config)
	if err != nil {
		return nil, err
	}

	ctx.WithField("len(modConfigs)", len(modConfigs)).Debug(
		"got configured modules")

	for _, mc := range modConfigs {

		ctx.WithField("name", mc.Name).Debug(
			"creating libStorage client for module instance")

		if mc.Client, err = util.NewClient(ctx, mc.Config); err != nil {
			panic(err)
		}

		if mod, err = InitializeModule(ctx, mc); err != nil {
			return nil, err
		}

		modInstances[mod.Name] = mod
	}

	return errs, nil
}
Esempio n. 15
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func unmarshalLocalDevices(
	ctx types.Context, out []byte) (*types.LocalDevices, error) {

	ld := &types.LocalDevices{}
	if err := ld.UnmarshalText(out); err != nil {
		return nil, err
	}

	// remove any local devices that has no mapped volume information
	for k, v := range ld.DeviceMap {
		if len(v) == 0 {
			ctx.WithField("deviceID", k).Warn(
				"removing local device w/ invalid volume id")
			delete(ld.DeviceMap, k)
		}
	}

	return ld, nil
}
Esempio n. 16
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// InitializeModule initializes a module.
func InitializeModule(
	ctx apitypes.Context, modConfig *Config) (*Instance, error) {

	modInstancesRwl.Lock()
	defer modInstancesRwl.Unlock()

	ctx.WithField("name", modConfig.Name).Debug("initializing module instance")

	typeName := strings.ToLower(modConfig.Type)

	lf := log.Fields{
		"typeName": typeName,
		"address":  modConfig.Address,
	}

	mt, modTypeExists := modTypes[typeName]
	if !modTypeExists {
		return nil, goof.WithFields(lf, "unknown module type")
	}

	mod, initErr := mt.InitFunc(ctx, modConfig)
	if initErr != nil {
		return nil, initErr
	}

	modName := mod.Name()

	modInst := &Instance{
		Type:        mt,
		TypeName:    typeName,
		Inst:        mod,
		Name:        modName,
		Config:      modConfig,
		Description: mod.Description(),
	}
	modInstances[modName] = modInst

	lf["name"] = modName
	ctx.WithFields(lf).Info("initialized module instance")

	return modInst, nil
}
Esempio n. 17
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// Handle is the type's Handler function.
func (h *instanceIDHandler) Handle(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	headers := req.Header[types.InstanceIDHeader]
	ctx.WithField(types.InstanceIDHeader, headers).Debug("http header")

	valMap := types.InstanceIDMap{}
	for _, h := range headers {
		val := &types.InstanceID{}
		if err := val.UnmarshalText([]byte(h)); err != nil {
			return err
		}
		valMap[strings.ToLower(val.Driver)] = val
	}

	ctx = ctx.WithValue(context.AllInstanceIDsKey, valMap)
	return h.handler(ctx, w, req, store)
}
Esempio n. 18
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func (d *idm) initPathCache(ctx types.Context) {
	if !d.pathCacheEnabled() {
		ctx.Info("path cache initializion disabled")
		return
	}

	if name, ok := context.ServiceName(ctx); !ok || name == "" {
		ctx.Info("path cache initializion disabled; no service name in ctx")
		return
	}

	f := func(async bool) {
		ctx.WithField("async", async).Info("initializing the path cache")
		_, err := d.List(ctx, apiutils.NewStoreWithData(initPathCacheMap))
		if err != nil {
			ctx.WithField("async", async).WithError(err).Error(
				"error initializing the path cache")
		} else {
			ctx.WithField("async", async).Debug("initialized the path cache")
		}
	}

	if d.pathCacheAsync() {
		go f(true)
	} else {
		f(false)
	}
}
Esempio n. 19
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func (c *client) Supported(
	ctx types.Context,
	opts types.Store) (bool, error) {

	if c.isController() {
		return false, utils.NewUnsupportedForClientTypeError(
			c.clientType, "Supported")
	}

	ctx = context.RequireTX(ctx.Join(c.ctx))

	serviceName, ok := context.ServiceName(ctx)
	if !ok {
		return false, goof.New("missing service name")
	}

	si, err := c.getServiceInfo(serviceName)
	if err != nil {
		return false, err
	}
	driverName := strings.ToLower(si.Driver.Name)

	// check to see if the driver's executor is supported on this host
	if ok := c.supportedCache.IsSet(driverName); ok {
		return c.supportedCache.GetBool(driverName), nil
	}

	out, err := c.runExecutor(ctx, driverName, types.LSXCmdSupported)
	if err != nil {
		if err == types.ErrNotImplemented {
			ctx.WithField("serviceDriver", driverName).Warn(
				"supported cmd not implemented")
			c.supportedCache.Set(driverName, true)
			ctx.WithField("supported", true).Debug("cached supported flag")
			return true, nil
		}
		return false, err
	}

	if len(out) == 0 {
		return false, nil
	}

	out = bytes.TrimSpace(out)
	b, err := strconv.ParseBool(string(out))
	if err != nil {
		return false, err
	}

	c.supportedCache.Set(driverName, b)
	ctx.WithField("supported", b).Debug("cached supported flag")
	return b, nil
}
Esempio n. 20
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func getConfiguredModules(
	ctx apitypes.Context, c gofig.Config) ([]*Config, error) {

	mods := c.Get("rexray.modules")
	modMap, ok := mods.(map[string]interface{})
	if !ok {
		return nil, goof.New("invalid format rexray.modules")
	}
	ctx.WithField("count", len(modMap)).Debug("got modules map")

	modConfigs := []*Config{}

	for name := range modMap {
		name = strings.ToLower(name)

		ctx.WithField("name", name).Debug("processing module config")
		sc := c.Scope(fmt.Sprintf("rexray.modules.%s", name))

		if disabled := sc.GetBool("disabled"); disabled {
			ctx.WithField("name", name).Debug("ignoring disabled module config")
			continue
		}

		mc := &Config{
			Name:        name,
			Type:        strings.ToLower(sc.GetString("type")),
			Description: sc.GetString("desc"),
			Address:     sc.GetString("host"),
			Config:      sc,
		}

		ctx.WithFields(log.Fields{
			"name": mc.Name,
			"type": mc.Type,
			"desc": mc.Description,
			"addr": mc.Address,
		}).Info("created new mod config")

		modConfigs = append(modConfigs, mc)
	}

	return modConfigs, nil
}
Esempio n. 21
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// Unmount will unmount the specified volume by volumeName or volumeID.
func (d *driver) Unmount(
	ctx types.Context,
	volumeID, volumeName string,
	opts types.Store) (*types.Volume, error) {

	ctx.WithFields(log.Fields{
		"volumeName": volumeName,
		"volumeID":   volumeID,
		"opts":       opts}).Info("unmounting volume")

	if volumeName == "" && volumeID == "" {
		return nil, goof.New("missing volume name or ID")
	}

	vol, err := d.volumeInspectByIDOrName(
		ctx, volumeID, volumeName,
		types.VolAttReqWithDevMapOnlyVolsAttachedToInstance, opts)
	if err != nil {
		return nil, err
	}

	if len(vol.Attachments) == 0 {
		return nil, nil
	}

	client := context.MustClient(ctx)

	inst, err := client.Storage().InstanceInspect(ctx, utils.NewStore())
	if err != nil {
		return nil, goof.New("problem getting instance ID")
	}
	var ma *types.VolumeAttachment
	for _, att := range vol.Attachments {
		if att.InstanceID.ID == inst.InstanceID.ID {
			ma = att
			break
		}
	}

	if ma == nil {
		return nil, goof.New("no attachment found for instance")
	}

	if ma.DeviceName == "" {
		return nil, goof.New("no device name found for attachment")
	}

	mounts, err := client.OS().Mounts(
		ctx, ma.DeviceName, "", opts)
	if err != nil {
		return nil, err
	}

	for _, mount := range mounts {
		ctx.WithField("mount", mount).Debug("retrieved mount")
	}

	if len(mounts) > 0 {
		for _, mount := range mounts {
			ctx.WithField("mount", mount).Debug("unmounting mount point")
			err = client.OS().Unmount(ctx, mount.MountPoint, opts)
			if err != nil {
				return nil, err
			}
		}
	}

	vol, err = client.Storage().VolumeDetach(ctx, vol.ID,
		&types.VolumeDetachOpts{
			Force: opts.GetBool("force"),
			Opts:  utils.NewStore(),
		})
	if err != nil {
		return nil, err
	}

	ctx.WithFields(log.Fields{
		"vol": vol}).Info("unmounted and detached volume")

	return vol, nil
}
Esempio n. 22
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func activateLibStorage(
	ctx apitypes.Context,
	config gofig.Config) (apitypes.Context, gofig.Config, <-chan error, error) {

	apiserver.DisableStartupInfo = true

	var (
		host          string
		err           error
		isRunning     bool
		errs          chan error
		serverErrChan <-chan error
		server        apitypes.Server
	)

	if host = config.GetString(apitypes.ConfigHost); host != "" {
		if !config.GetBool(apitypes.ConfigEmbedded) {
			ctx.WithField(
				"host", host,
			).Debug("not starting embedded server; embedded mode disabled")
			return ctx, config, nil, nil
		}
	}

	if host, isRunning = IsLocalServerActive(ctx, config); isRunning {
		ctx = setHost(ctx, config, host)
		ctx.WithField("host", host).Debug(
			"not starting embedded server; already running")
		return ctx, config, nil, nil
	}

	// if no host was specified then see if a set of default services need to
	// be initialized
	if host == "" {
		ctx.Debug("host is empty; initiliazing default services")
		if err = initDefaultLibStorageServices(ctx, config); err != nil {
			ctx.WithError(err).Error("error initializing default services")
			return ctx, config, nil, err
		}
	}

	ctx.Debug("starting embedded libStorage server")

	if server, serverErrChan, err = apiserver.Serve(ctx, config); err != nil {
		ctx.WithError(err).Error("error starting libStorage server")
		return ctx, config, nil, err
	}

	if host == "" {
		host = server.Addrs()[0]
		ctx.WithField("host", host).Debug("got host from new server address")
	}
	ctx = setHost(ctx, config, host)

	errs = make(chan error)
	go func() {
		for err := range serverErrChan {
			if err != nil {
				errs <- err
			}
		}
		if err := os.RemoveAll(SpecFilePath()); err == nil {
			logHostSpec(ctx, host, "removed spec file")
		}
		close(errs)
	}()

	// write the host to the spec file so that other rex-ray invocations can
	// find it, even if running as an embedded libStorage server
	if err := WriteSpecFile(host); err != nil {
		specFile := SpecFilePath()
		if os.IsPermission(err) {
			ctx.WithError(err).Errorf(
				"user does not have write permissions for %s", specFile)
		} else {
			ctx.WithError(err).Errorf(
				"error writing spec file at %s", specFile)
		}
		//WaitUntilLibStorageStopped(ctx, serverErrChan)
		return ctx, config, errs, err
	}
	logHostSpec(ctx, host, "created spec file")

	return ctx, config, errs, nil
}
Esempio n. 23
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func getFilteredVolumes(
	ctx types.Context,
	req *http.Request,
	store types.Store,
	storSvc types.StorageService,
	opts *types.VolumesOpts,
	filter *types.Filter) (types.VolumeMap, error) {

	var (
		filterOp    types.FilterOperator
		filterLeft  string
		filterRight string
		objMap      = types.VolumeMap{}
	)

	iid, iidOK := context.InstanceID(ctx)
	if opts.Attachments.RequiresInstanceID() && !iidOK {
		return nil, utils.NewMissingInstanceIDError(storSvc.Name())
	}

	ctx.WithField("attachments", opts.Attachments).Debug("querying volumes")

	objs, err := storSvc.Driver().Volumes(ctx, opts)
	if err != nil {
		return nil, err
	}

	if filter != nil {
		filterOp = filter.Op
		filterLeft = strings.ToLower(filter.Left)
		filterRight = strings.ToLower(filter.Right)
	}

	for _, obj := range objs {

		lf := log.Fields{
			"attachments": opts.Attachments,
			"volumeID":    obj.ID,
			"volumeName":  obj.Name,
		}

		if filterOp == types.FilterEqualityMatch && filterLeft == "name" {
			ctx.WithFields(lf).Debug("checking name filter")
			if !strings.EqualFold(obj.Name, filterRight) {
				ctx.WithFields(lf).Debug("omitted volume due to name filter")
				continue
			}
		}

		if !handleVolAttachments(ctx, lf, iid, obj, opts.Attachments) {
			continue
		}

		if OnVolume != nil {
			ctx.WithFields(lf).Debug("invoking OnVolume handler")
			ok, err := OnVolume(ctx, req, store, obj)
			if err != nil {
				return nil, err
			}
			if !ok {
				continue
			}
		}

		objMap[obj.ID] = obj
	}

	return objMap, nil
}
Esempio n. 24
0
func (d *driver) findMachineByMacAddrs(
	ctx types.Context, macAddrs []string) (*vboxc.Machine, error) {

	ctx.WithField("macAddrs", macAddrs).Debug("finding local machine")

	macMap := make(map[string]bool)
	for _, mac := range macAddrs {
		macUp := mac
		macMap[macUp] = true
	}

	machines, err := d.vbox.GetMachines()
	if err != nil {
		return nil, err
	}

	sp, err := d.vbox.GetSystemProperties()
	if err != nil {
		return nil, err
	}
	defer sp.Release()

	for _, m := range machines {
		defer m.Release()
		chipset, err := m.GetChipsetType()
		if err != nil {
			return nil, err
		}

		mna, err := sp.GetMaxNetworkAdapters(chipset)
		if err != nil {
			return nil, err
		}

		for i := uint32(0); i < mna; i++ {
			na, err := m.GetNetworkAdapter(i)
			if err != nil {
				return nil, err
			}

			mac, err := na.GetMACAddress()
			if err != nil {
				return nil, err
			}

			if _, ok := macMap[mac]; ok {
				id, err := m.GetID()
				if err != nil {
					return nil, err
				}
				m.ID = id

				name, err := m.GetName()
				if err != nil {
					return nil, err
				}
				m.Name = name

				return m, nil
			}
		}
	}

	return nil, goof.New("unable to find machine")
}
Esempio n. 25
0
File: util.go Progetto: akutz/rexray
// IsLocalServerActive returns a flag indicating whether or not a local
// libStorage is already running.
func IsLocalServerActive(
	ctx apitypes.Context, config gofig.Config) (host string, running bool) {

	var (
		isLocal  bool
		specFile = SpecFilePath()
	)

	if gotil.FileExists(specFile) {
		if h, _ := ReadSpecFile(); h != "" {
			host = h
			logHostSpec(ctx, host, "read spec file")
			defer func() {
				if running || !isLocal {
					return
				}
				host = ""
				os.RemoveAll(specFile)
				ctx.WithField("specFile", specFile).Info(
					"removed invalid spec file")
			}()
		}
	}
	if host == "" {
		host = config.GetString(apitypes.ConfigHost)
	}
	if host == "" {
		return "", false
	}

	proto, addr, err := gotil.ParseAddress(host)
	if err != nil {
		return "", false
	}

	switch proto {
	case "unix":
		isLocal = true
		ctx.WithField("sock", addr).Debug("is local unix server active")
		var sockExists, isActive bool
		if sockExists = gotil.FileExists(addr); sockExists {
			if isActive = IsAddressActive(proto, addr); !isActive {
				os.RemoveAll(addr)
				ctx.WithField("sockFile", addr).Info(
					"removed invalid sock file")
			}
		}
		return host, isActive
	case "tcp":
		m := localHostRX.FindStringSubmatch(addr)
		if len(m) < 3 {
			return "", false
		}
		isLocal = true
		port, err := strconv.Atoi(m[2])
		if err != nil {
			return "", false
		}
		ctx.WithField("port", port).Debug("is local tcp server active")
		return host, IsAddressActive(proto, addr)
	}
	return "", false
}
Esempio n. 26
0
func (d *driver) Login(ctx types.Context) (interface{}, error) {
	sessionsL.Lock()
	defer sessionsL.Unlock()

	var (
		endpoint *string
		ckey     string
		hkey     = md5.New()
		akey     = d.accessKey
		region   = d.mustRegion(ctx)
	)

	if region != nil && d.endpointFormat != "" {
		szEndpoint := fmt.Sprintf(d.endpointFormat, *region)
		endpoint = &szEndpoint
	} else {
		endpoint = d.endpoint
	}

	if !d.disableSessionCache {
		writeHkey(hkey, region)
		writeHkey(hkey, endpoint)
		writeHkey(hkey, &akey)
		ckey = fmt.Sprintf("%x", hkey.Sum(nil))

		// if the session is cached then return it
		if svc, ok := sessions[ckey]; ok {
			ctx.WithField(cacheKeyC, ckey).Debug("using cached efs service")
			return svc, nil
		}
	}

	var (
		skey   = d.getSecretKey()
		fields = map[string]interface{}{
			efs.AccessKey: akey,
			efs.Tag:       d.tag,
			cacheKeyC:     ckey,
		}
	)

	if skey == "" {
		fields[efs.SecretKey] = ""
	} else {
		fields[efs.SecretKey] = "******"
	}
	if region != nil {
		fields[efs.Region] = *region
	}
	if endpoint != nil {
		fields[efs.Endpoint] = *endpoint
	}

	ctx.WithFields(fields).Debug("efs service connetion attempt")
	sess := session.New()

	var (
		awsLogger   = &awsLogger{ctx: ctx}
		awsLogLevel = aws.LogOff
	)
	if ll, ok := context.GetLogLevel(ctx); ok {
		switch ll {
		case log.DebugLevel:
			awsLogger.lvl = log.DebugLevel
			awsLogLevel = aws.LogDebugWithHTTPBody
		case log.InfoLevel:
			awsLogger.lvl = log.InfoLevel
			awsLogLevel = aws.LogDebug
		}
	}

	svc := awsefs.New(sess, &aws.Config{
		Region:     region,
		Endpoint:   endpoint,
		MaxRetries: d.maxRetries,
		Credentials: credentials.NewChainCredentials(
			[]credentials.Provider{
				&credentials.StaticProvider{
					Value: credentials.Value{
						AccessKeyID:     akey,
						SecretAccessKey: skey,
					},
				},
				&credentials.EnvProvider{},
				&credentials.SharedCredentialsProvider{},
				&ec2rolecreds.EC2RoleProvider{
					Client: ec2metadata.New(sess),
				},
			},
		),
		Logger:   awsLogger,
		LogLevel: aws.LogLevel(awsLogLevel),
	})

	ctx.WithFields(fields).Info("efs service connection created")

	if !d.disableSessionCache {
		sessions[ckey] = svc
		ctx.WithFields(fields).Info("efs service connection cached")
	}

	return svc, nil
}