def expand_lun(self, name, new_size, poll=True):
lun = self.get_lun(name=name)
try:
lun.poll = poll
lun.expand(new_size, ignore_thresholds=True)
except storops_ex.VNXLunExpandSizeError as ex:
LOG.warning(
_LW("LUN %(name)s is already expanded. "
"Message: %(msg)s."), {
'name': name,
'msg': ex.message
})
except storops_ex.VNXLunPreparingError as ex:
# The error means the operation cannot be performed because the LUN
# is 'Preparing'. Wait for a while so that the LUN may get out of
# the transitioning state.
with excutils.save_and_reraise_exception():
LOG.warning(
_LW("LUN %(name)s is not ready for extension: "
"%(msg)s"), {
'name': name,
'msg': ex.message
})
utils.wait_until(Condition.is_lun_ops_ready, lun=lun)
utils.wait_until(Condition.is_lun_expanded, lun=lun, new_size=new_size)
def add_image(self, mirror_name, sp_ip, secondary_lun_id):
mv = self.vnx.get_mirror_view(mirror_name)
mv.add_image(sp_ip, secondary_lun_id)
# Secondary image info usually did not appear, so
# here add a poll to update.
utils.update_res_with_poll(mv)
utils.wait_until(Condition.is_mirror_synced, mirror=mv)
def add_image(self, mirror_name, sp_ip, secondary_lun_id):
mv = self.vnx.get_mirror_view(mirror_name)
mv.add_image(sp_ip, secondary_lun_id)
# Secondary image info usually did not appear, so
# here add a poll to update.
utils.update_res_with_poll(mv)
utils.wait_until(Condition.is_mirror_synced, mirror=mv)
def create_cg_snapshot(self, cg_snap_name, cg_name):
cg = self.vnx.get_cg(cg_name)
try:
snap = cg.create_snap(cg_snap_name, allow_rw=True)
except storops_ex.VNXSnapNameInUseError:
snap = self.vnx.get_snap(cg_snap_name)
utils.wait_until(Condition.is_object_existed, vnx_obj=snap)
return snap
def test_wait_until_with_params(self):
mock_testmethod = mock.Mock(return_value=True)
utils.wait_until(mock_testmethod,
param1=1,
param2='test')
mock_testmethod.assert_has_calls(
[mock.call(param1=1, param2='test')])
mock_testmethod.assert_has_calls([mock.call(param1=1, param2='test')])
def create_cg_snapshot(self, cg_snap_name, cg_name):
cg = self.vnx.get_cg(cg_name)
try:
snap = cg.create_snap(cg_snap_name, allow_rw=True)
except storops_ex.VNXSnapNameInUseError:
snap = self.vnx.get_snap(cg_snap_name)
utils.wait_until(Condition.is_object_existed, vnx_obj=snap)
return snap
def create_consistency_group(self, cg_name, lun_id_list=None):
try:
cg = self.vnx.create_cg(name=cg_name, members=lun_id_list)
except storops_ex.VNXConsistencyGroupNameInUseError:
cg = self.vnx.get_cg(name=cg_name)
# Wait until cg is found on VNX, or deletion will fail afterwards
utils.wait_until(Condition.is_object_existed, vnx_obj=cg)
return cg
def create_consistency_group(self, cg_name, lun_id_list=None):
try:
cg = self.vnx.create_cg(name=cg_name, members=lun_id_list)
except storops_ex.VNXConsistencyGroupNameInUseError:
cg = self.vnx.get_cg(name=cg_name)
# Wait until cg is found on VNX, or deletion will fail afterwards
utils.wait_until(Condition.is_object_existed, vnx_obj=cg)
return cg
def test_wait_until_with_params(self):
mock_testmethod = mock.Mock(side_effect=[False, True])
mock_testmethod.__name__ = 'test_method'
utils.wait_until(mock_testmethod,
param1=1,
param2='test')
mock_testmethod.assert_has_calls(
[mock.call(param1=1, param2='test'),
mock.call(param1=1, param2='test')])
def create_lun(self, pool, name, size, provision, tier, cg_id=None, ignore_thresholds=False):
pool = self.vnx.get_pool(name=pool)
try:
lun = pool.create_lun(
lun_name=name, size_gb=size, provision=provision, tier=tier, ignore_thresholds=ignore_thresholds
)
except storops_ex.VNXLunNameInUseError:
lun = self.vnx.get_lun(name=name)
utils.wait_until(condition=Condition.is_lun_io_ready, lun=lun)
if cg_id:
cg = self.vnx.get_cg(name=cg_id)
cg.add_member(lun)
return lun
def verify_migration(self, src_id, dst_id, dst_wwn):
"""Verify whether migration session finished successfully.
:param src_id: source LUN id
:param dst_id: destination LUN id
:param dst_wwn: destination LUN WWN
:returns Boolean: True or False
"""
src_lun = self.vnx.get_lun(lun_id=src_id)
utils.wait_until(condition=self.session_finished, interval=common.INTERVAL_30_SEC, src_lun=src_lun)
new_lun = self.vnx.get_lun(lun_id=dst_id)
new_wwn = new_lun.wwn
if not new_wwn or new_wwn != dst_wwn:
return True
else:
return False
def create_lun(self, pool, name, size, provision,
tier, cg_id=None, ignore_thresholds=False):
pool = self.vnx.get_pool(name=pool)
try:
lun = pool.create_lun(lun_name=name,
size_gb=size,
provision=provision,
tier=tier,
ignore_thresholds=ignore_thresholds)
except storops_ex.VNXLunNameInUseError:
lun = self.vnx.get_lun(name=name)
utils.wait_until(condition=Condition.is_lun_io_ready, lun=lun)
if cg_id:
cg = self.vnx.get_cg(name=cg_id)
cg.add_member(lun)
return lun
def verify_migration(self, src_id, dst_id, dst_wwn):
"""Verify whether migration session finished successfully.
:param src_id: source LUN id
:param dst_id: destination LUN id
:param dst_wwn: destination LUN WWN
:returns Boolean: True or False
"""
src_lun = self.vnx.get_lun(lun_id=src_id)
utils.wait_until(condition=self.session_finished,
interval=common.INTERVAL_30_SEC,
src_lun=src_lun)
new_lun = self.vnx.get_lun(lun_id=dst_id)
new_wwn = new_lun.wwn
if not new_wwn or new_wwn != dst_wwn:
return True
else:
return False
def expand_lun(self, name, new_size, poll=True):
lun = self.get_lun(name=name)
try:
lun.poll = poll
lun.expand(new_size, ignore_thresholds=True)
except storops_ex.VNXLunExpandSizeError as ex:
LOG.warning(_LW("LUN %(name)s is already expanded. "
"Message: %(msg)s."),
{'name': name, 'msg': ex.message})
except storops_ex.VNXLunPreparingError as ex:
# The error means the operation cannot be performed because the LUN
# is 'Preparing'. Wait for a while so that the LUN may get out of
# the transitioning state.
with excutils.save_and_reraise_exception():
LOG.warning(_LW("LUN %(name)s is not ready for extension: "
"%(msg)s"),
{'name': name, 'msg': ex.message})
utils.wait_until(Condition.is_lun_ops_ready, lun=lun)
utils.wait_until(Condition.is_lun_expanded, lun=lun, new_size=new_size)
def test_wait_until(self):
mock_testmethod = mock.Mock(side_effect=[False, True])
utils.wait_until(mock_testmethod)
mock_testmethod.assert_has_calls([mock.call(), mock.call()])
def sync_image(self, mirror_name):
mv = self.vnx.get_mirror_view(mirror_name)
mv.sync_image()
utils.wait_until(Condition.is_mirror_synced, mirror=mv)
def test_wait_until(self):
mock_testmethod = mock.Mock(return_value=True)
utils.wait_until(mock_testmethod, interval=0)
mock_testmethod.assert_has_calls([mock.call()])
def test_wait_until_with_params(self):
mock_testmethod = mock.Mock(return_value=True)
utils.wait_until(mock_testmethod, param1=1, param2='test')
mock_testmethod.assert_has_calls([mock.call(param1=1, param2='test')])
mock_testmethod.assert_has_calls([mock.call(param1=1, param2='test')])
def test_wait_until(self):
mock_testmethod = mock.Mock(return_value=True)
utils.wait_until(mock_testmethod, interval=0)
mock_testmethod.assert_has_calls([mock.call()])
def sync_image(self, mirror_name):
mv = self.vnx.get_mirror_view(mirror_name)
mv.sync_image()
utils.wait_until(Condition.is_mirror_synced, mirror=mv)
