def removeVgMapping(vgName):
"""
Removes the mapping of the specified volume group.
Utilizes the fact that the mapping created by the LVM looks like that
e45c12b0--f520--498a--82bb--c6cb294b990f-master
i.e vg name concatenated with volume name (dash is escaped with dash)
"""
mappingPrefix = getLvDmName(vgName, "")
mappings = devicemapper.getAllMappedDevices()
for mapping in mappings:
if not mapping.startswith(mappingPrefix):
continue
try:
devicemapper.removeMapping(mapping)
except Exception:
pass
def removeVgMapping(vgName):
"""
Removes the mapping of the specified volume group.
Utilizes the fact that the mapping created by the LVM looks like that
e45c12b0--f520--498a--82bb--c6cb294b990f-master
i.e vg name concatenated with volume name (dash is escaped with dash)
"""
mappingPrefix = getLvDmName(vgName, "")
mappings = devicemapper.getAllMappedDevices()
for mapping in mappings:
if not mapping.startswith(mappingPrefix):
continue
try:
devicemapper.removeMapping(mapping)
except Exception:
pass
def devicemapper_removeMapping(deviceName):
return devicemapper.removeMapping(deviceName)
def test_remove_mapping(zero_dm_device):
device_path = "{}{}".format(DMPATH_PREFIX, zero_dm_device)
assert os.path.exists(device_path)
devicemapper.removeMapping(zero_dm_device)
assert not os.path.exists(device_path)