func createBlockMetadata(mds torus.MetadataService, name string, vid torus.VolumeID) (blockMetadata, error) {
switch mds.Kind() {
case torus.EtcdMetadata:
return createBlockEtcdMetadata(mds, name, vid)
case torus.TempMetadata:
return createBlockTempMetadata(mds, name, vid)
default:
return nil, errors.New("unimplemented for this kind of metadata")
}
}
func DeleteBlockVolume(mds torus.MetadataService, volume string) error {
vol, err := mds.GetVolume(volume)
if err != nil {
return err
}
bmds, err := createBlockMetadata(mds, vol.Name, torus.VolumeID(vol.Id))
if err != nil {
return err
}
return bmds.DeleteVolume()
}
func CreateBlockVolume(mds torus.MetadataService, volume string, size uint64) error {
id, err := mds.NewVolumeID()
if err != nil {
return err
}
blkmd, err := createBlockMetadata(mds, volume, id)
if err != nil {
return err
}
return blkmd.CreateBlockVolume(&models.Volume{
Name: volume,
Id: uint64(id),
Type: VolumeType,
MaxBytes: size,
})
}