def make_block_volume(lvm,
sd_manifest,
size,
imguuid,
voluuid,
parent_vol_id=sc.BLANK_UUID,
vol_format=sc.RAW_FORMAT,
prealloc=sc.PREALLOCATED_VOL,
disk_type=image.UNKNOWN_DISK_TYPE,
desc='fake volume'):
sduuid = sd_manifest.sdUUID
image_manifest = image.ImageManifest(sd_manifest.getRepoPath())
imagedir = image_manifest.getImageDir(sduuid, imguuid)
if not os.path.exists(imagedir):
os.makedirs(imagedir)
size_mb = utils.round(size, MB) / MB
lvm.createLV(sduuid, voluuid, size_mb)
lv_size = int(lvm.getLV(sduuid, voluuid).size)
lv_size_blk = lv_size / sc.BLOCK_SIZE
with sd_manifest.acquireVolumeMetadataSlot(voluuid,
sc.VOLUME_MDNUMBLKS) as slot:
lvm.addtag(sduuid, voluuid, "%s%s" % (sc.TAG_PREFIX_MD, slot))
lvm.addtag(sduuid, voluuid,
"%s%s" % (sc.TAG_PREFIX_PARENT, parent_vol_id))
lvm.addtag(sduuid, voluuid, "%s%s" % (sc.TAG_PREFIX_IMAGE, imguuid))
vol_class = sd_manifest.getVolumeClass()
vol_class.newMetadata(
(sduuid, slot), sduuid, imguuid, parent_vol_id, lv_size_blk,
sc.type2name(vol_format), sc.type2name(prealloc),
sc.type2name(sc.LEAF_VOL), disk_type, desc, sc.LEGAL_VOL)
def _get_image_path(self):
im = image.ImageManifest(self.sd_manifest.getRepoPath())
return im.getImageDir(self.sd_manifest.sdUUID, self.img_id)