Example #1
0
// Handle is the type's Handler function.
func (h *postArgsHandler) Handle(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	reqObj := ctx.Value("reqObj")
	if reqObj == nil {
		return fmt.Errorf("missing request object")
	}

	v := reflect.ValueOf(reqObj).Elem()
	t := v.Type()

	for i := 0; i < v.NumField(); i++ {
		ft := t.Field(i)
		fv := v.Field(i).Interface()

		switch tfv := fv.(type) {
		case nil:
			// do nothing
		case map[string]interface{}:
			store.Set(getFieldName(ft), utils.NewStoreWithData(tfv))
		default:
			// add it to the store
			store.Set(getFieldName(ft), fv)
		}
	}

	return h.handler(ctx, w, req, store)
}
Example #2
0
func (d *driver) SnapshotCopy(
	ctx types.Context,
	snapshotID, snapshotName, destinationID string,
	opts types.Store) (*types.Snapshot, error) {

	context.MustSession(ctx)

	ogSnap, err := d.getSnapshotByID(snapshotID)
	if err != nil {
		return nil, err
	}

	newSnap := &types.Snapshot{
		ID:         d.newSnapshotID(ogSnap.VolumeID),
		VolumeID:   ogSnap.VolumeID,
		VolumeSize: ogSnap.VolumeSize,
		Name:       snapshotName,
		Status:     "online",
		StartTime:  time.Now().Unix(),
		Fields:     ogSnap.Fields,
	}

	if customFields := opts.GetStore("opts"); customFields != nil {
		for _, k := range customFields.Keys() {
			newSnap.Fields[k] = customFields.GetString(k)
		}
	}

	if err := d.writeSnapshot(newSnap); err != nil {
		return nil, err
	}

	return newSnap, nil
}
Example #3
0
func (r *router) snapshotRemove(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	service := context.MustService(ctx)

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		return nil, svc.Driver().SnapshotRemove(
			ctx,
			store.GetString("snapshotID"),
			store)
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, nil),
		http.StatusResetContent)
}
Example #4
0
// WriteTask writes a task to a ResponseWriter.
func WriteTask(
	ctx types.Context,
	config gofig.Config,
	w http.ResponseWriter,
	store types.Store,
	task *types.Task,
	okStatus int) error {

	if store.GetBool("async") {
		WriteJSON(w, http.StatusAccepted, task)
		return nil
	}

	exeTimeoutDur, err := time.ParseDuration(
		config.GetString(types.ConfigServerTasksExeTimeout))
	if err != nil {
		exeTimeoutDur = time.Duration(time.Second * 60)
	}
	exeTimeout := time.NewTimer(exeTimeoutDur)

	select {
	case <-services.TaskWaitC(ctx, task.ID):
		if task.Error != nil {
			return task.Error
		}
		WriteJSON(w, okStatus, task.Result)
	case <-exeTimeout.C:
		WriteJSON(w, http.StatusRequestTimeout, task)
	}

	return nil
}
Example #5
0
func (r *router) volumeSnapshot(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	service := context.MustService(ctx)

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		return svc.Driver().VolumeSnapshot(
			ctx,
			store.GetString("volumeID"),
			store.GetString("snapshotName"),
			store)
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, schema.SnapshotSchema),
		http.StatusCreated)
}
Example #6
0
func (d *driver) VolumeSnapshot(
	ctx types.Context,
	volumeID, snapshotName string,
	opts types.Store) (*types.Snapshot, error) {

	context.MustSession(ctx)

	v, err := d.getVolumeByID(volumeID)
	if err != nil {
		return nil, err
	}

	s := &types.Snapshot{
		ID:         d.newSnapshotID(v.ID),
		VolumeID:   v.ID,
		VolumeSize: v.Size,
		Name:       snapshotName,
		Status:     "online",
		StartTime:  time.Now().Unix(),
		Fields:     v.Fields,
	}

	if customFields := opts.GetStore("opts"); customFields != nil {
		for _, k := range customFields.Keys() {
			s.Fields[k] = customFields.GetString(k)
		}
	}

	if err := d.writeSnapshot(s); err != nil {
		return nil, err
	}

	return s, nil
}
Example #7
0
func (d *driver) VolumeCopy(
	ctx types.Context,
	volumeID, volumeName string,
	opts types.Store) (*types.Volume, error) {

	context.MustSession(ctx)

	ogVol, err := d.getVolumeByID(volumeID)
	if err != nil {
		return nil, err
	}

	newVol := &types.Volume{
		ID:               d.newVolumeID(),
		Name:             volumeName,
		AvailabilityZone: ogVol.AvailabilityZone,
		IOPS:             ogVol.IOPS,
		Size:             ogVol.Size,
		Type:             ogVol.Type,
		Fields:           ogVol.Fields,
	}

	if customFields := opts.GetStore("opts"); customFields != nil {
		for _, k := range customFields.Keys() {
			newVol.Fields[k] = customFields.GetString(k)
		}
	}

	if err := d.writeVolume(newVol); err != nil {
		return nil, err
	}

	return newVol, nil
}
Example #8
0
func (r *router) volumeDetach(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	service := context.MustService(ctx)
	if _, ok := context.InstanceID(ctx); !ok {
		return utils.NewMissingInstanceIDError(service.Name())
	}

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		v, err := svc.Driver().VolumeDetach(
			ctx,
			store.GetString("volumeID"),
			&types.VolumeDetachOpts{
				Force: store.GetBool("force"),
				Opts:  store,
			})

		if err != nil {
			return nil, err
		}

		if v == nil {
			return nil, nil
		}

		if OnVolume != nil {
			ok, err := OnVolume(ctx, req, store, v)
			if err != nil {
				return nil, err
			}
			if !ok {
				return nil, utils.NewNotFoundError(v.ID)
			}
		}

		if v.AttachmentState == 0 {
			v.AttachmentState = types.VolumeAvailable
		}

		return v, nil
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, nil),
		http.StatusResetContent)
}
Example #9
0
func parseFilter(store types.Store) (*types.Filter, error) {
	if !store.IsSet("filter") {
		return nil, nil
	}
	fsz := store.GetString("filter")
	filter, err := filters.CompileFilter(fsz)
	if err != nil {
		return nil, utils.NewBadFilterErr(fsz, err)
	}
	return filter, nil
}
Example #10
0
func (r *router) executorHead(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	ei, err := executors.ExecutorInfoInspect(store.GetString("executor"), false)
	if err != nil {
		return err
	}

	return writeFile(w, ei)
}
Example #11
0
func (r *router) volumeCreate(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	service := context.MustService(ctx)

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		v, err := svc.Driver().VolumeCreateFromSnapshot(
			ctx,
			store.GetString("snapshotID"),
			store.GetString("name"),
			&types.VolumeCreateOpts{
				AvailabilityZone: store.GetStringPtr("availabilityZone"),
				IOPS:             store.GetInt64Ptr("iops"),
				Size:             store.GetInt64Ptr("size"),
				Type:             store.GetStringPtr("type"),
				Opts:             store,
			})

		if err != nil {
			return nil, err
		}

		if volume.OnVolume != nil {
			ok, err := volume.OnVolume(ctx, req, store, v)
			if err != nil {
				return nil, err
			}
			if !ok {
				return nil, utils.NewNotFoundError(v.ID)
			}
		}

		return v, nil
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, schema.VolumeSchema),
		http.StatusCreated)
}
Example #12
0
func (r *router) volumeCopy(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	service := context.MustService(ctx)

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		v, err := svc.Driver().VolumeCopy(
			ctx,
			store.GetString("volumeID"),
			store.GetString("volumeName"),
			store)

		if err != nil {
			return nil, err
		}

		if OnVolume != nil {
			ok, err := OnVolume(ctx, req, store, v)
			if err != nil {
				return nil, err
			}
			if !ok {
				return nil, utils.NewNotFoundError(v.ID)
			}
		}

		if v.AttachmentState == 0 {
			v.AttachmentState = types.VolumeAvailable
		}
		return v, nil
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, schema.VolumeSchema),
		http.StatusCreated)
}
func (d *driver) VolumeSnapshot(
	ctx types.Context,
	volumeID, snapshotName string,
	opts types.Store) (*types.Snapshot, error) {

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

	req := &types.VolumeSnapshotRequest{
		SnapshotName: snapshotName,
		Opts:         opts.Map(),
	}

	return d.client.VolumeSnapshot(ctx, serviceName, volumeID, req)
}
// Handle is the type's Handler function.
func (h *serviceValidator) Handle(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	if !store.IsSet("service") {
		return utils.NewStoreKeyErr("service")
	}

	serviceName := store.GetString("service")
	service := services.GetStorageService(ctx, serviceName)
	if service == nil {
		return utils.NewNotFoundError(serviceName)
	}

	ctx = context.WithStorageService(ctx, service)
	return h.handler(ctx, w, req, store)
}
func (d *driver) SnapshotCopy(
	ctx types.Context,
	snapshotID, snapshotName, destinationID string,
	opts types.Store) (*types.Snapshot, error) {

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

	req := &types.SnapshotCopyRequest{
		SnapshotName:  snapshotName,
		DestinationID: destinationID,
		Opts:          opts.Map(),
	}

	return d.client.SnapshotCopy(ctx, serviceName, snapshotID, req)
}
Example #16
0
// List returns all available volume mappings.
func (d *driver) List(
	ctx types.Context,
	opts types.Store) ([]types.VolumeMapping, error) {

	client := context.MustClient(ctx)
	vols, err := client.Storage().Volumes(
		ctx,
		&types.VolumesOpts{
			Attachments: opts.GetAttachments(),
			Opts:        opts,
		},
	)
	if err != nil {
		return nil, err
	}

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

	volMaps := []types.VolumeMapping{}
	for _, v := range vols {
		vs := make(map[string]interface{})
		vs["name"] = v.Name
		vs["size"] = v.Size
		vs["iops"] = v.IOPS
		vs["type"] = v.Type
		vs["availabilityZone"] = v.AvailabilityZone
		vs["fields"] = v.Fields
		vs["service"] = serviceName
		vs["server"] = serviceName
		volMaps = append(volMaps, &volumeMapping{
			Name:             v.Name,
			VolumeMountPoint: v.MountPoint(),
			VolumeStatus:     vs,
		})
	}

	return volMaps, nil
}
Example #17
0
func toServiceInfo(
	ctx types.Context,
	service types.StorageService,
	store types.Store) (*types.ServiceInfo, error) {

	d := service.Driver()

	var instance *types.Instance
	if store.GetBool("instance") {

		if _, ok := context.InstanceID(ctx); !ok {
			return nil, utils.NewMissingInstanceIDError(service.Name())
		}

		var err error
		instance, err = d.InstanceInspect(ctx, store)
		if err != nil {
			return nil, err
		}
	}

	st, err := d.Type(ctx)
	if err != nil {
		return nil, err
	}
	nd, err := d.NextDeviceInfo(ctx)
	if err != nil {
		return nil, err
	}

	return &types.ServiceInfo{
		Name:     service.Name(),
		Instance: instance,
		Driver: &types.DriverInfo{
			Name:       d.Name(),
			Type:       st,
			NextDevice: nd,
		},
	}, nil
}
Example #18
0
func (r *router) volumeAttach(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	service := context.MustService(ctx)
	if _, ok := context.InstanceID(ctx); !ok {
		return utils.NewMissingInstanceIDError(service.Name())
	}

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		v, attTokn, err := svc.Driver().VolumeAttach(
			ctx,
			store.GetString("volumeID"),
			&types.VolumeAttachOpts{
				NextDevice: store.GetStringPtr("nextDeviceName"),
				Force:      store.GetBool("force"),
				Opts:       store,
			})

		if err != nil {
			return nil, err
		}

		if OnVolume != nil {
			ok, err := OnVolume(ctx, req, store, v)
			if err != nil {
				return nil, err
			}
			if !ok {
				return nil, utils.NewNotFoundError(v.ID)
			}
		}

		if v.AttachmentState == 0 {
			v.AttachmentState = types.VolumeAttached
		}

		return &types.VolumeAttachResponse{
			Volume:      v,
			AttachToken: attTokn,
		}, nil
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, schema.VolumeAttachResponseSchema),
		http.StatusOK)
}
Example #19
0
func (r *router) volumesForService(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	filter, err := parseFilter(store)
	if err != nil {
		return err
	}
	if filter != nil {
		store.Set("filter", filter)
	}

	service := context.MustService(ctx)

	opts := &types.VolumesOpts{
		Attachments: store.GetAttachments(),
		Opts:        store,
	}

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		return getFilteredVolumes(ctx, req, store, svc, opts, filter)
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, schema.VolumeMapSchema),
		http.StatusOK)
}
// Handle is the type's Handler function.
func (h *queryParamsHandler) Handle(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	for k, v := range req.URL.Query() {
		ctx.WithFields(log.Fields{
			"key":        k,
			"value":      v,
			"len(value)": len(v),
		}).Debug("query param")
		switch len(v) {
		case 0:
			store.Set(k, true)
		case 1:
			if len(v[0]) == 0 {
				store.Set(k, true)
			} else {
				if i, err := strconv.ParseInt(v[0], 10, 64); err == nil {
					store.Set(k, i)
				} else if b, err := strconv.ParseBool(v[0]); err == nil {
					store.Set(k, b)
				} else {
					store.Set(k, v[0])
				}
			}
		default:
			store.Set(k, v)
		}
	}
	return h.handler(ctx, w, req, store)
}
Example #21
0
func (r *router) volumeInspect(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	attachments := store.GetAttachments()

	service := context.MustService(ctx)
	iid, iidOK := context.InstanceID(ctx)
	if !iidOK && attachments.RequiresInstanceID() {
		return utils.NewMissingInstanceIDError(service.Name())
	}

	opts := &types.VolumeInspectOpts{
		Attachments: attachments,
		Opts:        store,
	}

	var run types.StorageTaskRunFunc
	if store.IsSet("byName") {
		run = func(
			ctx types.Context,
			svc types.StorageService) (interface{}, error) {

			vols, err := svc.Driver().Volumes(
				ctx,
				&types.VolumesOpts{
					Attachments: attachments,
					Opts:        store,
				})

			if err != nil {
				return nil, err
			}

			volID := store.GetString("volumeID")
			for _, v := range vols {
				if strings.EqualFold(v.Name, volID) {
					if !handleVolAttachments(ctx, nil, iid, v, attachments) {
						return nil, utils.NewNotFoundError(volID)
					}
					if OnVolume != nil {
						ok, err := OnVolume(ctx, req, store, v)
						if err != nil {
							return nil, err
						}
						if !ok {
							return nil, utils.NewNotFoundError(volID)
						}
					}

					return v, nil
				}
			}

			return nil, utils.NewNotFoundError(volID)
		}

	} else {

		run = func(
			ctx types.Context,
			svc types.StorageService) (interface{}, error) {

			v, err := svc.Driver().VolumeInspect(
				ctx, store.GetString("volumeID"), opts)

			if err != nil {
				return nil, err
			}

			if !handleVolAttachments(ctx, nil, iid, v, attachments) {
				return nil, utils.NewNotFoundError(v.ID)
			}

			if OnVolume != nil {
				ok, err := OnVolume(ctx, req, store, v)
				if err != nil {
					return nil, err
				}
				if !ok {
					return nil, utils.NewNotFoundError(v.ID)
				}
			}

			return v, nil
		}
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, schema.VolumeSchema),
		http.StatusOK)
}
Example #22
0
// 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
}
Example #23
0
func (r *router) volumeDetachAll(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	var (
		taskIDs  []int
		tasks                           = map[string]*types.Task{}
		opts                            = &types.VolumesOpts{Opts: store}
		reply    types.ServiceVolumeMap = map[string]types.VolumeMap{}
		replyRWL                        = &sync.Mutex{}
	)

	for service := range services.StorageServices(ctx) {

		run := func(
			ctx types.Context,
			svc types.StorageService) (interface{}, error) {

			ctx = context.WithStorageService(ctx, svc)

			if _, ok := context.InstanceID(ctx); !ok {
				return nil, utils.NewMissingInstanceIDError(service.Name())
			}

			var err error
			if ctx, err = context.WithStorageSession(ctx); err != nil {
				return nil, err
			}

			driver := svc.Driver()

			volumes, err := driver.Volumes(ctx, opts)
			if err != nil {
				return nil, err
			}

			// check here
			var volumeMap types.VolumeMap = map[string]*types.Volume{}
			defer func() {
				if len(volumeMap) > 0 {
					replyRWL.Lock()
					defer replyRWL.Unlock()
					reply[service.Name()] = volumeMap
				}
			}()

			for _, volume := range volumes {
				v, err := driver.VolumeDetach(
					ctx,
					volume.ID,
					&types.VolumeDetachOpts{
						Force: store.GetBool("force"),
						Opts:  store,
					})
				if err != nil {
					return nil, err
				}

				if err != nil {
					return nil, err
				}

				if v == nil {
					continue
				}

				if OnVolume != nil {
					ok, err := OnVolume(ctx, req, store, v)
					if err != nil {
						return nil, err
					}
					if !ok {
						return nil, utils.NewNotFoundError(v.ID)
					}
				}

				if v.AttachmentState == 0 {
					v.AttachmentState = types.VolumeAvailable
				}

				volumeMap[v.ID] = v
			}

			return nil, nil
		}

		task := service.TaskExecute(ctx, run, nil)
		taskIDs = append(taskIDs, task.ID)
		tasks[service.Name()] = task
	}

	run := func(ctx types.Context) (interface{}, error) {
		services.TaskWaitAll(ctx, taskIDs...)
		for _, v := range tasks {
			if v.Error != nil {
				return nil, utils.NewBatchProcessErr(reply, v.Error)
			}
		}
		return reply, nil
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		services.TaskExecute(ctx, run, schema.ServiceVolumeMapSchema),
		http.StatusResetContent)
}
Example #24
0
func (r *router) volumeDetachAllForService(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	service := context.MustService(ctx)
	if _, ok := context.InstanceID(ctx); !ok {
		return utils.NewMissingInstanceIDError(service.Name())
	}

	var reply types.VolumeMap = map[string]*types.Volume{}

	run := func(
		ctx types.Context,
		svc types.StorageService) (interface{}, error) {

		driver := svc.Driver()

		volumes, err := driver.Volumes(ctx, &types.VolumesOpts{Opts: store})
		if err != nil {
			return nil, err
		}

		for _, volume := range volumes {
			v, err := driver.VolumeDetach(
				ctx,
				volume.ID,
				&types.VolumeDetachOpts{
					Force: store.GetBool("force"),
					Opts:  store,
				})
			if err != nil {
				return nil, utils.NewBatchProcessErr(reply, err)
			}

			if err != nil {
				return nil, err
			}

			if v == nil {
				continue
			}

			if OnVolume != nil {
				ok, err := OnVolume(ctx, req, store, v)
				if err != nil {
					return nil, err
				}
				if !ok {
					return nil, utils.NewNotFoundError(v.ID)
				}
			}

			if v.AttachmentState == 0 {
				v.AttachmentState = types.VolumeAvailable
			}

			reply[v.ID] = v
		}

		return reply, nil
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		service.TaskExecute(ctx, run, schema.VolumeMapSchema),
		http.StatusResetContent)
}
Example #25
0
func (r *router) volumes(
	ctx types.Context,
	w http.ResponseWriter,
	req *http.Request,
	store types.Store) error {

	filter, err := parseFilter(store)
	if err != nil {
		return err
	}
	if filter != nil {
		store.Set("filter", filter)
	}

	var (
		tasks   = map[string]*types.Task{}
		taskIDs []int
		opts    = &types.VolumesOpts{
			Attachments: store.GetAttachments(),
			Opts:        store,
		}
		reply = types.ServiceVolumeMap{}
	)

	for service := range services.StorageServices(ctx) {

		run := func(
			ctx types.Context,
			svc types.StorageService) (interface{}, error) {

			ctx = context.WithStorageService(ctx, svc)

			var err error
			if ctx, err = context.WithStorageSession(ctx); err != nil {
				return nil, err
			}

			return getFilteredVolumes(ctx, req, store, svc, opts, filter)
		}

		task := service.TaskExecute(ctx, run, schema.VolumeMapSchema)
		taskIDs = append(taskIDs, task.ID)
		tasks[service.Name()] = task
	}

	run := func(ctx types.Context) (interface{}, error) {

		services.TaskWaitAll(ctx, taskIDs...)

		for k, v := range tasks {
			if v.Error != nil {
				return nil, utils.NewBatchProcessErr(reply, v.Error)
			}

			objMap, ok := v.Result.(types.VolumeMap)
			if !ok {
				return nil, utils.NewBatchProcessErr(
					reply, goof.New("error casting to types.VolumeMap"))
			}
			reply[k] = objMap
		}

		return reply, nil
	}

	return httputils.WriteTask(
		ctx,
		r.config,
		w,
		store,
		services.TaskExecute(ctx, run, schema.ServiceVolumeMapSchema),
		http.StatusOK)
}