def test_notify_tc_delete_base_lun_still_using(self, lun_delete):
lun = UnityLun.get(_id='sv_5600', cli=t_rest(version='4.2.0'))
TCHelper.notify(lun, ThinCloneActionEnum.TC_DELETE)
self.assertFalse(lun.get_id() in TCHelper._tc_cache)
self.assertFalse(lun.get_id() in TCHelper._gc_candidates)
lun_delete.assert_not_called()
def delete(self,
async_mode=False,
force_snap_delete=False,
force_vvol_delete=False):
sr = self.storage_resource
if not self.existed or sr is None:
raise UnityResourceNotFoundError('cannot find lun {}.'.format(
self.get_id()))
resp = self._cli.delete(sr.resource_class,
self.get_id(),
forceSnapDeletion=force_snap_delete,
forceVvolDeletion=force_vvol_delete,
async_mode=async_mode)
try:
resp.raise_if_err()
except UnityBaseHasThinCloneError:
log.warning(
'cannot delete the lun: %s, because it is a base lun '
'of a thin-clone.', self.get_id())
TCHelper.notify(self, ThinCloneActionEnum.BASE_LUN_DELETE)
return RESP_OK
if self.is_thin_clone:
TCHelper.notify(self, ThinCloneActionEnum.TC_DELETE)
return resp
def test_notify_tc_delete_base_lun(self, mocked_put):
base_lun = UnityLun.get(_id='sv_5608', cli=t_rest(version='4.2.0'))
TCHelper.notify(base_lun, ThinCloneActionEnum.BASE_LUN_DELETE)
self.assertTrue(base_lun.get_id() in TCHelper._gc_candidates)
mocked_put.assert_called_with(TCHelper._delete_base_lun,
base_lun=base_lun)
def test_notify_dd_copy(self):
lun = UnityLun.get(_id='sv_2', cli=t_rest(version='4.2.0'))
copied_lun = UnityLun.get(_id='sv_3', cli=t_rest(version='4.2.0'))
TCHelper.notify(lun, ThinCloneActionEnum.DD_COPY, copied_lun)
self.assertTrue(lun.get_id() in TCHelper._tc_cache)
self.assertEqual(copied_lun, TCHelper._tc_cache[lun.get_id()])
self.assertFalse(lun.get_id() in TCHelper._gc_candidates)
def test_notify_tc_delete_base_lun_snap_under_destroying(self):
lun = UnityLun.get(_id='sv_5606', cli=t_rest(version='4.2.0'))
base_lun = UnityLun.get(_id='sv_5607', cli=t_rest(version='4.2.0'))
TCHelper._gc_candidates[base_lun.get_id()] = base_lun.get_id()
TCHelper.notify(lun, ThinCloneActionEnum.TC_DELETE)
self.assertFalse(lun.get_id() in TCHelper._tc_cache)
self.assertFalse(lun.get_id() in TCHelper._gc_candidates)
self.assertTrue(base_lun.get_id() in TCHelper._gc_candidates)
def test_notify_tc_delete_base_lun_ready_for_gc(self, lun_delete):
lun = UnityLun.get(_id='sv_5600', cli=t_rest(version='4.2.0'))
base_lun = UnityLun.get(_id='sv_5601', cli=t_rest(version='4.2.0'))
TCHelper._gc_candidates[base_lun.get_id()] = base_lun.get_id()
TCHelper.notify(lun, ThinCloneActionEnum.TC_DELETE)
self.assertFalse(lun.get_id() in TCHelper._tc_cache)
self.assertFalse(lun.get_id() in TCHelper._gc_candidates)
self.assertFalse(base_lun.get_id() in TCHelper._gc_candidates)
lun_delete.assert_called_once()
def test_notify_lun_attach_gc(self, mocked_put):
lun = UnityLun.get(_id='sv_2', cli=t_rest(version='4.2.0'))
old_lun = UnityLun.get(_id='sv_4', cli=t_rest(version='4.2.0'))
TCHelper._tc_cache[lun.get_id()] = old_lun
TCHelper.notify(lun, ThinCloneActionEnum.LUN_ATTACH)
self.assertFalse(lun.get_id() in TCHelper._tc_cache)
self.assertTrue(old_lun.get_id() in TCHelper._gc_candidates)
mocked_put.assert_called_with(TCHelper._delete_base_lun,
base_lun=old_lun)
def test_notify_tc_delete_base_lun_having_thinclone(
self, mocked_put, lun_delete):
lun = UnityLun.get(_id='sv_5602', cli=t_rest(version='4.2.0'))
base_lun = UnityLun.get(_id='sv_5603', cli=t_rest(version='4.2.0'))
TCHelper._gc_candidates[base_lun.get_id()] = base_lun.get_id()
TCHelper.notify(lun, ThinCloneActionEnum.TC_DELETE)
self.assertFalse(lun.get_id() in TCHelper._tc_cache)
self.assertFalse(lun.get_id() in TCHelper._gc_candidates)
self.assertTrue(base_lun.get_id() in TCHelper._gc_candidates)
lun_delete.assert_not_called()
def test_notify_dd_copy_gc(self, mocked_put):
lun = UnityLun.get(_id='sv_2', cli=t_rest(version='4.2.0'))
copied_lun = UnityLun.get(_id='sv_3', cli=t_rest(version='4.2.0'))
old_lun = UnityLun.get(_id='sv_4', cli=t_rest(version='4.2.0'))
TCHelper._tc_cache[lun.get_id()] = old_lun
TCHelper.notify(lun, ThinCloneActionEnum.DD_COPY, copied_lun)
self.assertTrue(lun.get_id() in TCHelper._tc_cache)
self.assertEqual(copied_lun, TCHelper._tc_cache[lun.get_id()])
self.assertTrue(old_lun.get_id() in TCHelper._gc_candidates)
mocked_put.assert_called_with(TCHelper._delete_base_lun,
base_lun=old_lun)
def attach_to(self, host, access_mask=HostLUNAccessEnum.PRODUCTION):
host_access = [{'host': host, 'accessMask': access_mask}]
# If this lun has been attached to other host, don't overwrite it.
if self.host_access:
host_access += [{'host': item.host,
'accessMask': item.access_mask} for item
in self.host_access if host.id != item.host.id]
resp = self.modify(host_access=host_access)
resp.raise_if_err()
log.debug('Notify TCHelper the attaching action of lun: %s.',
self.get_id())
TCHelper.notify(self, ThinCloneActionEnum.LUN_ATTACH)
return resp
def test_thin_clone_snap(self):
snap = UnitySnap.get(_id='38654700002', cli=t_rest(version='4.2.0'))
cloned = TCHelper.thin_clone(snap._cli, snap,
name='test_thin_clone_snap',
description='description',
io_limit_policy=None)
assert_that(cloned.id, equal_to('sv_5557'))
def test_thin_clone_snap_new_tc_base(self):
TCHelper._tc_cache['sv_2'] = UnityLun.get(_id='sv_5605',
cli=t_rest(version='4.2.0'))
lun = UnityLun.get(_id='sv_2', cli=t_rest(version='4.2.0'))
cloned = TCHelper.thin_clone(lun._cli, lun, name='test_thin_clone_lun',
description='description',
io_limit_policy=None)
assert_that(cloned.id, equal_to('sv_5556'))
def test_thin_clone_lun(self):
lun = UnityLun.get(_id='sv_2', cli=t_rest(version='4.2.0'))
cloned = TCHelper.thin_clone(lun._cli,
lun,
name='test_thin_clone_lun',
description='description',
io_limit_policy=None)
assert_that(cloned.id, equal_to('sv_5555'))
def thin_clone(self, name, io_limit_policy=None, description=None):
if self.is_cg_member:
raise UnityCGMemberActionNotSupportError()
if not self.is_thin_enabled:
raise UnityThinCloneNotAllowedError()
return TCHelper.thin_clone(self._cli, self, name, io_limit_policy,
description)
def thin_clone(self, name, io_limit_policy=None, description=None):
"""Creates a new thin clone from this snapshot.
.. note:: this snapshot should not enable Auto-Delete.
"""
if self.is_member_snap():
raise UnityCGMemberActionNotSupportError()
if self.lun and not self.lun.is_thin_enabled:
raise UnityThinCloneNotAllowedError()
return TCHelper.thin_clone(self._cli, self, name, io_limit_policy,
description)
def test_notify_lun_attach(self):
lun = UnityLun.get(_id='sv_2', cli=t_rest(version='4.2.0'))
TCHelper.notify(lun, ThinCloneActionEnum.LUN_ATTACH)
self.assertFalse(lun.get_id() in TCHelper._tc_cache)
self.assertFalse(lun.get_id() in TCHelper._gc_candidates)
sr = self.storage_resource
if not self.existed or sr is None:
raise UnityResourceNotFoundError('cannot find lun {}.'.format(
self.get_id()))
resp = self._cli.delete(sr.resource_class,
self.get_id(),
forceSnapDeletion=force_snap_delete,
forceVvolDeletion=force_vvol_delete,
async=async)
try:
resp.raise_if_err()
except UnityBaseHasThinCloneError:
log.warning(
'cannot delete the lun: %s, because it is a base lun '
'of a thin-clone.', self.get_id())
TCHelper.notify(self, ThinCloneActionEnum.BASE_LUN_DELETE)
return RESP_OK
if self.is_thin_clone:
TCHelper.notify(self, ThinCloneActionEnum.TC_DELETE)
return resp
def _attach_to(self, host, access_mask, hlu):
host_access = [{'host': host, 'accessMask': access_mask}]
if hlu is not None:
host_access[0]['hlu'] = hlu
# If this lun has been attached to other host, don't overwrite it.
if self.host_access:
host_access += [{
'host': item.host,
'accessMask': item.access_mask
def thin_clone(self, name, io_limit_policy=None, description=None):
return TCHelper.thin_clone(self._cli, self, name, io_limit_policy,
description)
def thin_clone(self, name, io_limit_policy=None, description=None):
if self.is_cg_member:
raise UnityCGLunActionNotSupportError()
return TCHelper.thin_clone(self._cli, self, name, io_limit_policy,
description)
def thin_clone(self, name, io_limit_policy=None, description=None):
"""Creates a new thin clone from this snapshot.
.. note:: this snapshot should not enable Auto-Delete.
"""
return TCHelper.thin_clone(self._cli, self, name, io_limit_policy,
description)
def setUp(self):
self.path = tempfile.mkdtemp(suffix='storops')
TCHelper.set_up(self.path)
TCHelper._gc_background.set_interval(0.10)
TCHelper._gc_background.MAX_RETRIES = 1
def _inner():
TCHelper.thin_clone(lun._cli,
lun,
name='test_thin_clone_limit_exceeded',
description='This is description.',
io_limit_policy=None)
def tearDown(self):
shutil.rmtree(self.path, ignore_errors=True)
TCHelper.clean_up()
