def delete_volume(self, volume):
volume_id = volume.volume_id
cinder_api = cinder.CinderAPI(self.context)
try:
cinder_api.delete_volume(volume_id)
except cinder_exception as e:
raise exception.Invalid(_("Delete Volume failed: %s") % str(e))
def _build_requested_volumes(self, context, mounts):
# NOTE(hongbin): We assume cinder is the only volume provider here.
# The logic needs to be re-visited if a second volume provider
# (i.e. Manila) is introduced.
cinder_api = cinder.CinderAPI(context)
requested_volumes = []
for mount in mounts:
if mount.get('source'):
volume = cinder_api.search_volume(mount['source'])
auto_remove = False
else:
volume = cinder_api.create_volume(mount['size'])
auto_remove = True
cinder_api.ensure_volume_usable(volume)
volmapp = objects.VolumeMapping(
context,
volume_id=volume.id,
volume_provider='cinder',
container_path=mount['destination'],
user_id=context.user_id,
project_id=context.project_id,
auto_remove=auto_remove)
requested_volumes.append(volmapp)
return requested_volumes
def test_unreserve_volume(self, mock_cinderclient):
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
self.api = cinder_api.CinderAPI(self.context)
self.api.unreserve_volume('id1')
mock_cinderclient.assert_called_once_with()
mock_volumes.unreserve.assert_called_once_with('id1')
def test_roll_detaching(self, mock_cinderclient):
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
self.api = cinder_api.CinderAPI(self.context)
self.api.roll_detaching('id1')
mock_cinderclient.assert_called_once_with()
mock_volumes.roll_detaching.assert_called_once_with('id1')
def attach_volume(self, volume):
cinder_api = cinder.CinderAPI(self.context)
try:
return self._do_attach_volume(cinder_api, volume)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception("Failed to attach volume %(volume_id)s",
{'volume_id': volume.volume_id})
cinder_api.unreserve_volume(volume.volume_id)
def test_create_volume(self, mock_cinderclient):
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
volume_size = '5'
self.api = cinder_api.CinderAPI(self.context)
self.api.create_volume(volume_size)
mock_cinderclient.assert_called_once_with()
mock_volumes.create.assert_called_once_with(volume_size)
def test_terminate_connection(self, mock_cinderclient):
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
self.api = cinder_api.CinderAPI(self.context)
self.api.terminate_connection('id1', 'connector')
mock_cinderclient.assert_called_once_with()
mock_volumes.terminate_connection.assert_called_once_with(
'id1', 'connector')
def test_initialize_connection_no_rollback(self, mock_cinderclient):
mock_cinderclient.return_value.volumes.\
initialize_connection.side_effect = TestingException
connector = {'host': 'host1'}
self.api = cinder_api.CinderAPI(self.context)
self.assertRaises(TestingException, self.api.initialize_connection,
'id1', connector)
self.assertFalse(
mock_cinderclient.return_value.volumes.terminate_connection.called)
def test_delete_volume(self, mock_cinderclient):
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
volume_id = self.id
self.api = cinder_api.CinderAPI(self.context)
self.api.delete_volume(volume_id)
mock_cinderclient.assert_called_once_with()
mock_volumes.delete.assert_called_once_with(volume_id)
def test_get(self, mock_cinderclient):
volume_id = 'volume_id1'
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
self.api = cinder_api.CinderAPI(self.context)
self.api.get(volume_id)
mock_cinderclient.assert_called_once_with()
mock_volumes.get.assert_called_once_with(volume_id)
def test_attach(self, mock_cinderclient):
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
self.api = cinder_api.CinderAPI(self.context)
self.api.attach('id1', 'point', 'host')
mock_cinderclient.assert_called_once_with()
mock_volumes.attach.assert_called_once_with(
volume='id1', mountpoint='point', host_name='host',
instance_uuid=None)
def test_detach_multiattach(self, mock_cinderclient):
attachment = {'host_name': CONF.host, 'attachment_id': 'fakeid'}
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
mock_cinderclient.return_value.volumes.get.return_value = \
FakeVolume('id1', attachments=[attachment], multiattach=True)
self.api = cinder_api.CinderAPI(self.context)
self.api.detach('id1')
mock_cinderclient.assert_called_with()
mock_volumes.detach.assert_called_once_with('id1', 'fakeid')
def test_initialize_connection_exception_no_code(self, mock_cinderclient,
mock_log):
mock_cinderclient.return_value.volumes. \
initialize_connection.side_effect = (
cinder_exception.ClientException(500, "500"))
mock_cinderclient.return_value.volumes. \
terminate_connection.side_effect = (TestingException)
connector = {'host': 'fakehost1'}
self.api = cinder_api.CinderAPI(self.context)
self.assertRaises(cinder_exception.ClientException,
self.api.initialize_connection, 'id1', connector)
self.assertIsNone(mock_log.error.call_args_list[1][0][1]['code'])
def test_initialize_connection_rollback(self, mock_cinderclient):
mock_cinderclient.return_value.volumes.\
initialize_connection.side_effect = (
cinder_exception.ClientException(500, "500"))
connector = {'host': 'host1'}
self.api = cinder_api.CinderAPI(self.context)
ex = self.assertRaises(cinder_exception.ClientException,
self.api.initialize_connection, 'id1',
connector)
self.assertEqual(500, ex.code)
mock_cinderclient.return_value.volumes.\
terminate_connection.assert_called_once_with('id1', connector)
def is_volume_deleted(self, context, volmap):
try:
volume = cinder_api.CinderAPI(context).search_volume(
volmap.cinder_volume_id)
is_deleted = False
# Cinder volume error states: 'error', 'error_deleting',
# 'error_backing-up', 'error_restoring', 'error_extending',
# all of which start with 'error'
is_error = True if 'error' in volume.status else False
except exception.VolumeNotFound:
is_deleted = True
is_error = False
return is_deleted, is_error
def test_initialize_connection(self, mock_cinderclient):
connection_info = {'foo': 'bar'}
mock_cinderclient.return_value.volumes. \
initialize_connection.return_value = connection_info
volume_id = 'fake_vid'
connector = {'host': 'fakehost1'}
self.api = cinder_api.CinderAPI(self.context)
actual = self.api.initialize_connection(volume_id, connector)
expected = connection_info
self.assertEqual(expected, actual)
mock_cinderclient.return_value.volumes. \
initialize_connection.assert_called_once_with(volume_id, connector)
def test_detach(self, mock_cinderclient):
attachment = {'server_id': 'fake_server', 'attachment_id': 'fakeid'}
mock_volumes = mock.MagicMock()
mock_cinderclient.return_value = mock.MagicMock(volumes=mock_volumes)
mock_cinderclient.return_value.volumes.get.return_value = \
FakeVolume('id1', attachments=[attachment])
volume = mock.MagicMock()
volume.volume_id = 'id1'
self.api = cinder_api.CinderAPI(self.context)
self.api.detach(volume)
mock_cinderclient.assert_called_with()
mock_volumes.detach.assert_called_once_with('id1', None)
def detach_volume(self, volume):
volume_id = volume.volume_id
cinder_api = cinder.CinderAPI(self.context)
try:
cinder_api.begin_detaching(volume_id)
except cinder_exception.BadRequest as e:
raise exception.Invalid(_("Invalid volume: %s") % str(e))
conn_info = jsonutils.loads(volume.connection_info)
try:
self._disconnect_volume(conn_info)
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception('Failed to disconnect volume %(volume_id)s',
{'volume_id': volume_id})
cinder_api.roll_detaching(volume_id)
cinder_api.terminate_connection(
volume_id, get_volume_connector_properties())
cinder_api.detach(volume_id)
def check_multiattach(self, context, volmap):
ca = cinder_api.CinderAPI(context)
return ca.get(volmap.cinder_volume_id).multiattach
def get_volume_status(self, context, volmap):
ca = cinder_api.CinderAPI(context)
return ca.get(volmap.cinder_volume_id).status
def is_volume_available(self, context, volume):
ca = cinder_api.CinderAPI(context)
if 'available' == ca.get(volume.volume_id).status:
return True
else:
return False
def __init__(self, context):
self.context = context
self.cinder_api = cinder.CinderAPI(self.context)
def _build_requested_volumes(self, context, volume_spec, volume_mounts,
capsule):
# NOTE(hongbin): We assume cinder is the only volume provider here.
# The logic needs to be re-visited if a second volume provider
# (i.e. Manila) is introduced.
# NOTE(kevinz): We assume the volume_mounts has been pretreated,
# there won't occur that volume multiple attach and no untapped
# volume.
cinder_api = cinder.CinderAPI(context)
volume_driver = "cinder"
requested_volumes = []
volume_created = []
try:
for mount in volume_spec:
mount_driver = mount[volume_driver]
auto_remove = False
if mount_driver.get("volumeID"):
uuid = mount_driver.get("volumeID")
volume = cinder_api.search_volume(uuid)
cinder_api.ensure_volume_usable(volume)
else:
size = mount_driver.get("size")
volume = cinder_api.create_volume(size)
volume_created.append(volume)
if "autoRemove" in mount_driver.keys() \
and mount_driver.get("autoRemove", False):
auto_remove = True
mount_destination = None
container_name = None
volume_object = objects.Volume(context,
cinder_volume_id=volume.id,
volume_provider=volume_driver,
user_id=context.user_id,
project_id=context.project_id,
auto_remove=auto_remove)
volume_object.create(context)
for item in volume_mounts:
if item['name'] == mount['name']:
mount_destination = item['mountPath']
container_name = item['container_name']
volmapp = objects.VolumeMapping(
context,
container_path=mount_destination,
user_id=context.user_id,
project_id=context.project_id,
volume_id=volume_object.id)
requested_volumes.append({container_name: volmapp})
if not mount_destination or not container_name:
msg = _("volume mount parameters is invalid.")
raise exception.Invalid(msg)
except Exception as e:
# if volume search or created failed, will remove all
# the created volume. The existed volume will remain.
for volume in volume_created:
try:
cinder_api.delete_volume(volume.id)
except Exception as exc:
LOG.error('Error on deleting volume "%s": %s.', volume.id,
six.text_type(exc))
# Since the container and capsule database model has been created,
# we need to delete them here due to the volume create failed.
for container in capsule.containers:
try:
container.destroy(context)
except Exception as exc:
LOG.warning('fail to delete the container %s: %s',
container.uuid, exc)
capsule.destroy(context)
raise e
return requested_volumes