def decorated_function(path):
try:
return function(path)
except processutils.ProcessExecutionError as e:
if 'No such device or address' in e.stderr:
raise exception.VolumeBDMPathNotFound(path=path)
else:
raise
def get_volume_size(path):
"""Get logical volume size in bytes.
:param path: logical volume path
:raises: processutils.ProcessExecutionError if getting the volume size
fails in some unexpected way.
:raises: exception.VolumeBDMPathNotFound if the volume path does not exist.
"""
try:
out, _err = nova.privsep.fs.blockdev_size(path)
except processutils.ProcessExecutionError:
if not os.path.exists(path):
raise exception.VolumeBDMPathNotFound(path=path)
else:
raise
return int(out)
def get_volume_size(path):
"""Get logical volume size in bytes.
:param path: logical volume path
:raises: processutils.ProcessExecutionError if getting the volume size
fails in some unexpected way.
:raises: exception.VolumeBDMPathNotFound if the volume path does not exist.
"""
try:
out, _err = utils.execute('blockdev', '--getsize64', path,
run_as_root=True)
except processutils.ProcessExecutionError:
if not utils.path_exists(path):
raise exception.VolumeBDMPathNotFound(path=path)
else:
raise
return int(out)
def get_volume_size(self, path):
vol = self._find_vol_from_path(path)
if vol is not None:
return vol[2]
raise exception.VolumeBDMPathNotFound(path=path)
