def root_dataset(
force_clean: bool,
zfs: libzfs.ZFS,
pool: libzfs.ZFSPool
) -> libzfs.ZFSDataset:
dataset_name = f"{pool.name}/iocage-test"
if force_clean:
try:
dataset = zfs.get_dataset(dataset_name)
helper_functions.unmount_and_destroy_dataset_recursive(dataset)
except libzfs.ZFSException:
pass
try:
pool.create(dataset_name, {})
except libzfs.ZFSException:
if force_clean is True:
raise
dataset = zfs.get_dataset(dataset_name)
if not dataset.mountpoint:
dataset.mount()
return dataset
if force_clean:
helper_functions.unmount_and_destroy_dataset_recursive(dataset)
def shared_zfs_dataset(
root_dataset: libzfs.ZFSDataset,
zfs: libzfs.ZFS
) -> libzfs.ZFSDataset:
name = f"{root_dataset.name}/shared-" + str(random.randint(1, 32768))
root_dataset.pool.create(name, {})
dataset = zfs.get_dataset(name)
dataset.properties["jailed"] = libzfs.ZFSUserProperty("on")
yield dataset
dataset.delete()
def import_pool(self, pool):
self.pools.pop(pool.guid)
self.updated.emit()
try:
logging.info('Importing pool ' + str(pool.name) + ' (' +
str(pool.guid) + ')')
ZFS().import_pool(pool, pool.name, {})
except ZFSException as e:
logging.error('Import failed: ' + str(e))
self.import_error.emit(pool, str(e).capitalize())
return
self.import_success.emit(pool)
def zfs_volume(self, root_dataset: libzfs.ZFSDataset,
zfs: libzfs.ZFS) -> libzfs.ZFSDataset:
r = random.randint(0, sys.maxsize)
dataset_name = f"{root_dataset.name}/zvol{r}"
root_dataset.pool.create(dataset_name,
fsopts=dict(volsize="16M"),
fstype=libzfs.DatasetType.VOLUME)
dataset = zfs.get_dataset(dataset_name)
yield dataset
dataset.delete()
def root_dataset(zfs: libzfs.ZFS, pool: libzfs.ZFSPool) -> libzfs.ZFSDataset:
"""Return the root dataset for tests."""
dataset_name = f"{pool.name}/libioc-test"
try:
pool.create(dataset_name, {})
except libzfs.ZFSException:
pass
dataset = zfs.get_dataset(dataset_name)
if dataset.properties["mountpoint"].value == "none":
mountpoint = libzfs.ZFSUserProperty("/.libioc-test")
dataset.properties["mountpoint"] = mountpoint
if not dataset.mountpoint:
dataset.mount()
return dataset
def test_can_be_created(self, host: 'iocage.Host.Host',
local_release: 'iocage.Release.ReleaseGenerator',
logger: 'iocage.Logger.Logger', zfs: libzfs.ZFS,
root_dataset: libzfs.ZFSDataset) -> None:
"""Test if jails can be created."""
jail = iocage.Jail.Jail(dict(id="foobar"),
new=True,
host=host,
logger=logger,
zfs=zfs)
jail.create(local_release)
dataset = zfs.get_dataset(f"{root_dataset.name}/jails/{jail.name}")
def cleanup() -> None:
helper_functions.unmount_and_destroy_dataset_recursive(dataset)
try:
assert not jail.config["basejail"]
assert not jail.config["basejail_type"]
assert dataset.mountpoint is not None
assert os.path.isfile(f"{dataset.mountpoint}/config.json")
assert os.path.isdir(f"{dataset.mountpoint}/root")
data = read_jail_config_json(f"{dataset.mountpoint}/config.json")
try:
assert data["basejail"] is "no"
except KeyError:
pass
try:
assert (data["basejail"] is "") or (data["basejail"] == "none")
except KeyError:
pass
except BaseException as e:
cleanup()
raise e
cleanup()
def test_can_be_created(self, host: 'libioc.Host.Host',
local_release: 'libioc.Release.ReleaseGenerator',
logger: 'libioc.Logger.Logger', zfs: libzfs.ZFS,
root_dataset: libzfs.ZFSDataset) -> None:
"""Test if NullFS basejails can be created."""
jail = libioc.Jail.Jail({"basejail": True},
new=True,
host=host,
logger=logger,
zfs=zfs)
jail.create(local_release)
dataset = zfs.get_dataset(f"{root_dataset.name}/jails/{jail.name}")
def cleanup() -> None:
helper_functions.unmount_and_destroy_dataset_recursive(dataset)
try:
assert jail.config["basejail"]
assert jail.config["basejail_type"] == "nullfs"
assert dataset.mountpoint is not None
assert os.path.isfile(f"{dataset.mountpoint}/config.json")
assert os.path.isdir(f"{dataset.mountpoint}/root")
data = read_jail_config_json(f"{dataset.mountpoint}/config.json")
assert data["basejail"] == "yes"
try:
assert data["basejail_type"] == "nullfs"
except KeyError:
pass
except Exception as e:
cleanup()
raise e
cleanup()
def root_dataset(
zfs: libzfs.ZFS,
pool: libzfs.ZFSPool
) -> libzfs.ZFSDataset:
"""Return the root dataset for tests."""
dataset_name = f"{pool.name}/libioc-test"
try:
pool.create(dataset_name, {})
except libzfs.ZFSException:
pass
dataset = zfs.get_dataset(dataset_name)
if dataset.properties["mountpoint"].value == "none":
mountpoint = libzfs.ZFSUserProperty("/.libioc-test")
dataset.properties["mountpoint"] = mountpoint
if not dataset.mountpoint:
dataset.mount()
return dataset
def test_can_be_created(self, new_jail: 'libioc.Jail.Jail',
local_release: 'libioc.Release.ReleaseGenerator',
root_dataset: libzfs.ZFSDataset,
zfs: libzfs.ZFS) -> None:
"""Test if NullFS basejails can be created."""
new_jail.config["basejail"] = True
new_jail.create(local_release)
dataset = zfs.get_dataset(f"{root_dataset.name}/jails/{new_jail.name}")
assert new_jail.is_basejail is True
assert new_jail.config["basejail"] is True
assert new_jail.config["basejail_type"] == "nullfs"
assert dataset.mountpoint is not None
assert os.path.isfile(f"{dataset.mountpoint}/config.json")
assert os.path.isdir(f"{dataset.mountpoint}/root")
data = read_jail_config_json(f"{dataset.mountpoint}/config.json")
assert data["basejail"] == "yes"
if "basejail_type" in data:
assert data["basejail_type"] == "nullfs"
def _do_scan(self):
imports = list(ZFS().find_import(search_paths=disk_paths))
return sorted(imports, key=lambda pool: str(pool.name))
def _do_scan(self):
return sorted(list(ZFS().pools), key=lambda pool: str(pool.name))
from libzfs import (ZFS, ZFSDataset, ZFSSnapshot, ZFSException, Error as
ZFSErrorCode)
from tempfile import _RandomNameSequence
_zfs = ZFS()
for name in ('get_object', 'get_dataset', 'get_dataset_by_path'):
locals()[name] = getattr(_zfs, name)
def create_snapshot(dataset, name):
fullname = '{}@{}'.format(dataset.name, name)
dataset.snapshot(fullname)
return get_object(fullname)
def create_clone(snapshot, name, **opts):
if isinstance(snapshot, TemporarySnapshot):
snapshot = snapshot.snap
snapshot.clone(name, opts)
return get_object(name)
class TemporarySnapshot:
def __init__(self, dataset, name):
self.snap = create_snapshot(dataset, name)
def __del__(self):
if hasattr(self, 'snap'):
self.snap.delete(recursive_children=True)
