func (v *VolumeStore) VolumesList(op trace.Operation) ([]*storage.Volume, error) {
volumes := []*storage.Volume{}
v.dsLock.RLock()
defer v.dsLock.RUnlock()
for volStore, vols := range v.ds {
store := volStore
res, err := vols.Ls(op, VolumesDir)
if err != nil {
return nil, fmt.Errorf("error listing vols: %s", err)
}
for _, f := range res.File {
file, ok := f.(*types.FileInfo)
if !ok {
continue
}
ID := file.Path
// Get the path to the disk in datastore uri format
volDiskDsURL, err := v.volDiskDsURL(&store, ID)
if err != nil {
return nil, err
}
dev, err := disk.NewVirtualDisk(volDiskDsURL)
if err != nil {
return nil, err
}
metaDataDir := v.volMetadataDirPath(ID)
meta, err := getMetadata(op, vols, metaDataDir)
if err != nil {
return nil, err
}
vol, err := storage.NewVolume(&store, ID, meta, dev)
if err != nil {
return nil, err
}
volumes = append(volumes, vol)
}
}
return volumes, nil
}
func (v *VolumeStore) VolumeCreate(op trace.Operation, ID string, store *url.URL, capacityKB uint64, info map[string][]byte) (*storage.Volume, error) {
// find the datastore
dstore, err := v.getDatastore(store)
if err != nil {
return nil, err
}
// Create the volume directory in the store.
_, err = dstore.Mkdir(op, false, v.volDirPath(ID))
if err != nil {
return nil, err
}
// Get the path to the disk in datastore uri format
var volDiskDsURL string
volDiskDsURL, err = v.volDiskDsURL(store, ID)
if err != nil {
return nil, err
}
// Create the disk
vmdisk, err := v.dm.CreateAndAttach(op, volDiskDsURL, "", int64(capacityKB), os.O_RDWR)
if err != nil {
return nil, err
}
defer v.dm.Detach(op, vmdisk)
vol, err := storage.NewVolume(store, ID, info, vmdisk)
if err != nil {
return nil, err
}
// Make the filesystem and set its label
if err = vmdisk.Mkfs(vol.Label); err != nil {
return nil, err
}
// Persist the metadata
metaDataDir := v.volMetadataDirPath(ID)
if err = writeMetadata(op, dstore, metaDataDir, info); err != nil {
return nil, err
}
log.Infof("volumestore: %s (%s)", ID, vol.SelfLink)
return vol, nil
}