def test_deleted_subvolumes(self):
subvol = os.path.join(self.mountpoint, 'subvol')
btrfsutil.create_subvolume(subvol + '1')
btrfsutil.delete_subvolume(subvol + '1')
for arg in self.path_or_fd(self.mountpoint):
with self.subTest(type=type(arg)):
self.assertEqual(btrfsutil.deleted_subvolumes(arg), [256])
def test_deleted_subvolumes(self):
subvol = os.path.join(self.mountpoint, 'subvol')
btrfsutil.create_subvolume(subvol + '1')
btrfsutil.delete_subvolume(subvol + '1')
for arg in self.path_or_fd(self.mountpoint):
with self.subTest(type=type(arg)):
self.assertEqual(btrfsutil.deleted_subvolumes(arg), [256])
def delete_snapshot(self, snapshot: Subvolume) -> None:
logger = self._logger
filesystem_path = snapshot.filesystem_path
logical_path = snapshot.logical_path
try:
filesystem_path_str = str(filesystem_path)
is_subvolume = filesystem_path.exists() and btrfsutil.is_subvolume(
filesystem_path_str)
if is_subvolume:
root_dir_str = str(constants.ROOT_DIR)
num_id = snapshot.num_id
deleted_subvolumes = checked_cast(
list[int], btrfsutil.deleted_subvolumes(root_dir_str))
if num_id not in deleted_subvolumes:
logger.info(f"Deleting the '{logical_path}' snapshot.")
btrfsutil.delete_subvolume(filesystem_path_str)
else:
logger.warning(
f"The '{logical_path}' snapshot has already "
"been deleted but not yet cleaned up.")
else:
logger.warning(
f"The '{filesystem_path}' directory is not a subvolume.")
except btrfsutil.BtrfsUtilError as e:
logger.exception("btrfsutil call failed!")
raise SubvolumeError(
f"Could not delete the '{logical_path}' snapshot!") from e