def detach(dbg, uri, domain, cb):
sr,name = parse_datapath_uri(uri)
opq = cb.volumeStartOperations(sr, 'r')
# deactivate LVs chain here
vol_path = cb.volumeGetPath(opq, name)
tap = tapdisk.load_tapdisk_metadata(dbg, vol_path)
tap.destroy(dbg)
tapdisk.forget_tapdisk_metadata(dbg, vol_path)
def detach(dbg, uri, domain, cb):
sr, key = _parse_uri(uri)
opq = cb.volumeStartOperations(sr, 'r')
meta_path = cb.volumeMetadataGetPath(opq)
db = VHDMetabase(meta_path)
with db.write_context():
vdi = db.get_vdi_by_id(key)
# deactivate LVs chain here
db.close()
vol_path = cb.volumeGetPath(opq, str(vdi.vhd.id))
if vdi.vhd.parent_id is not None and vdi_enable_intellicache:
parent_vhd_path = cb.volumeGetPath(opq, str(vdi.vhd.parent_id))
IntelliCache.detach(dbg, vol_path, parent_vhd_path)
else:
tap = tapdisk.load_tapdisk_metadata(dbg, vol_path)
tap.destroy(dbg)
tapdisk.forget_tapdisk_metadata(dbg, vol_path)
cb.volumeStopOperations(opq)
def detach(dbg, vhd_path, parent_vhd_path):
leaf_vhd_cache_path = os.path.join(
IntelliCache.ROOT_PATH,
vhd_path[20:]
)
tap = tapdisk.load_tapdisk_metadata(dbg, leaf_vhd_cache_path)
with RefCounter('tapdisk', tap.uuid) as rc:
if rc.get_count() == 0:
tap.destroy(dbg)
tapdisk.forget_tapdisk_metadata(dbg, leaf_vhd_cache_path)
parent_vhd_cache_path = os.path.join(
IntelliCache.ROOT_PATH,
parent_vhd_path[20:]
)
tap = tapdisk.load_tapdisk_metadata(dbg, parent_vhd_cache_path)
with RefCounter('tapdisk', tap.uuid) as rc:
if rc.get_count() == 0:
tap.destroy(dbg)
tapdisk.forget_tapdisk_metadata(dbg, parent_vhd_cache_path)
def detach(self, dbg, uri, domain):
u = urlparse.urlparse(uri)
tap = tapdisk.load_tapdisk_metadata(dbg, u.path)
tap.destroy(dbg)
tapdisk.forget_tapdisk_metadata(dbg, u.path)
def detach(self, dbg, uri, domain):
u = urlparse.urlparse(uri)
tap = tapdisk.load_tapdisk_metadata(dbg, u.path)
tap.destroy(dbg)
tapdisk.forget_tapdisk_metadata(dbg, u.path)
