Пример #1
0
Файл: nfs.go Проект: jvinod/ost
func (d *driver) Create(locator api.VolumeLocator, source *api.Source, spec *api.VolumeSpec) (api.VolumeID, error) {
	volumeID := uuid.New()
	volumeID = strings.TrimSuffix(volumeID, "\n")

	// Create a directory on the NFS server with this UUID.
	volPath := path.Join(nfsMountPath, volumeID)
	err := os.MkdirAll(volPath, 0744)
	if err != nil {
		log.Println(err)
		return api.BadVolumeID, err
	}
	if source != nil {
		if len(source.Seed) != 0 {
			seed, err := seed.New(source.Seed, spec.ConfigLabels)
			if err != nil {
				log.Warnf("Failed to initailize seed from %q : %v",
					source.Seed, err)
				return api.BadVolumeID, err
			}
			err = seed.Load(volPath)
			if err != nil {
				log.Warnf("Failed to  seed from %q to %q: %v",
					source.Seed, nfsMountPath, err)
				return api.BadVolumeID, err
			}
		}
	}

	f, err := os.Create(path.Join(nfsMountPath, string(volumeID)+nfsBlockFile))
	if err != nil {
		log.Println(err)
		return api.BadVolumeID, err
	}
	defer f.Close()

	err = f.Truncate(int64(spec.Size))
	if err != nil {
		log.Println(err)
		return api.BadVolumeID, err
	}

	v := &api.Volume{
		ID:         api.VolumeID(volumeID),
		Source:     source,
		Locator:    locator,
		Ctime:      time.Now(),
		Spec:       spec,
		LastScan:   time.Now(),
		Format:     "nfs",
		State:      api.VolumeAvailable,
		Status:     api.Up,
		DevicePath: path.Join(nfsMountPath, string(volumeID)+nfsBlockFile),
	}

	err = d.CreateVol(v)
	if err != nil {
		return api.BadVolumeID, err
	}
	return v.ID, err
}
Пример #2
0
func (d *driver) Create(
	locator *api.VolumeLocator,
	source *api.Source,
	spec *api.VolumeSpec) (string, error) {

	volumeID := uuid.New()
	volumeID = strings.TrimSuffix(volumeID, "\n")

	// Create a directory on the NFS server with this UUID.
	volPath := path.Join(nfsMountPath, volumeID)
	err := os.MkdirAll(volPath, 0744)
	if err != nil {
		dlog.Println(err)
		return "", err
	}
	if source != nil {
		if len(source.Seed) != 0 {
			seed, err := seed.New(source.Seed, spec.VolumeLabels)
			if err != nil {
				dlog.Warnf("Failed to initailize seed from %q : %v",
					source.Seed, err)
				return "", err
			}
			err = seed.Load(path.Join(volPath, config.DataDir))
			if err != nil {
				dlog.Warnf("Failed to  seed from %q to %q: %v",
					source.Seed, nfsMountPath, err)
				return "", err
			}
		}
	}

	f, err := os.Create(path.Join(nfsMountPath, volumeID+nfsBlockFile))
	if err != nil {
		dlog.Println(err)
		return "", err
	}
	defer f.Close()

	if err := f.Truncate(int64(spec.Size)); err != nil {
		dlog.Println(err)
		return "", err
	}

	v := common.NewVolume(
		volumeID,
		api.FSType_FS_TYPE_NFS,
		locator,
		source,
		spec,
	)
	v.DevicePath = path.Join(nfsMountPath, volumeID+nfsBlockFile)

	if err := d.CreateVol(v); err != nil {
		return "", err
	}
	return v.Id, err
}