def create(*args, **kwargs):
self.assertFalse(kwargs['legacy_bdm'])
for expected, received in zip(bdm_expected,
kwargs['block_device_mapping']):
self.assertThat(block_device.BlockDeviceDict(expected),
matchers.DictMatches(received))
return old_create(*args, **kwargs)
def test_validate(self):
self.assertRaises(exception.InvalidBDMFormat,
block_device.BlockDeviceDict,
{'bogus_field': 'lame_val'})
lame_bdm = dict(self.new_mapping[2])
del lame_bdm['source_type']
self.assertRaises(exception.InvalidBDMFormat,
block_device.BlockDeviceDict,
lame_bdm)
lame_bdm['no_device'] = True
block_device.BlockDeviceDict(lame_bdm)
lame_dev_bdm = dict(self.new_mapping[2])
lame_dev_bdm['device_name'] = "not a valid name"
self.assertRaises(exception.InvalidBDMFormat,
block_device.BlockDeviceDict,
lame_dev_bdm)
lame_dev_bdm['device_name'] = ""
self.assertRaises(exception.InvalidBDMFormat,
block_device.BlockDeviceDict,
lame_dev_bdm)
cool_volume_size_bdm = dict(self.new_mapping[2])
cool_volume_size_bdm['volume_size'] = '42'
cool_volume_size_bdm = block_device.BlockDeviceDict(
cool_volume_size_bdm)
self.assertEqual(cool_volume_size_bdm['volume_size'], 42)
lame_volume_size_bdm = dict(self.new_mapping[2])
lame_volume_size_bdm['volume_size'] = 'some_non_int_string'
self.assertRaises(exception.InvalidBDMFormat,
block_device.BlockDeviceDict,
lame_volume_size_bdm)
truthy_bdm = dict(self.new_mapping[2])
truthy_bdm['delete_on_termination'] = '1'
truthy_bdm = block_device.BlockDeviceDict(truthy_bdm)
self.assertEqual(truthy_bdm['delete_on_termination'], True)
verbose_bdm = dict(self.new_mapping[2])
verbose_bdm['boot_index'] = 'first'
self.assertRaises(exception.InvalidBDMFormat,
block_device.BlockDeviceDict,
verbose_bdm)
def test_init_prepend_dev_to_device_name(self):
bdm = {'id': 3, 'instance_uuid': 'fake-instance',
'device_name': 'vda',
'source_type': 'volume',
'destination_type': 'volume',
'volume_id': 'fake-volume-id-1',
'boot_index': 0}
bdm_dict = block_device.BlockDeviceDict(bdm)
self.assertEqual('/dev/vda', bdm_dict['device_name'])
bdm['device_name'] = '/dev/vdb'
bdm_dict = block_device.BlockDeviceDict(bdm)
self.assertEqual('/dev/vdb', bdm_dict['device_name'])
bdm['device_name'] = None
bdm_dict = block_device.BlockDeviceDict(bdm)
self.assertIsNone(bdm_dict['device_name'])
def test_init(self):
def fake_validate(obj, dct):
pass
self.stubs.Set(block_device.BlockDeviceDict, '_fields',
set(['field1', 'field2']))
self.stubs.Set(block_device.BlockDeviceDict, '_db_only_fields',
set(['db_field1', 'db_field2']))
self.stubs.Set(block_device.BlockDeviceDict, '_validate',
fake_validate)
# Make sure db fields are not picked up if they are not
# in the original dict
dev_dict = block_device.BlockDeviceDict({'field1': 'foo',
'field2': 'bar',
'db_field1': 'baz'})
self.assertIn('field1', dev_dict)
self.assertIn('field2', dev_dict)
self.assertIn('db_field1', dev_dict)
self.assertNotIn('db_field2', dev_dict)
# Make sure all expected fields are defaulted
dev_dict = block_device.BlockDeviceDict({'field1': 'foo'})
self.assertIn('field1', dev_dict)
self.assertIn('field2', dev_dict)
self.assertIsNone(dev_dict['field2'])
self.assertNotIn('db_field1', dev_dict)
self.assertNotIn('db_field2', dev_dict)
# Unless they are not meant to be
dev_dict = block_device.BlockDeviceDict({'field1': 'foo'},
do_not_default=set(['field2']))
self.assertIn('field1', dev_dict)
self.assertNotIn('field2', dev_dict)
self.assertNotIn('db_field1', dev_dict)
self.assertNotIn('db_field2', dev_dict)
# Passing kwargs to constructor works
dev_dict = block_device.BlockDeviceDict(field1='foo')
self.assertIn('field1', dev_dict)
self.assertIn('field2', dev_dict)
self.assertIsNone(dev_dict['field2'])
dev_dict = block_device.BlockDeviceDict(
{'field1': 'foo'}, field2='bar')
self.assertEqual('foo', dev_dict['field1'])
self.assertEqual('bar', dev_dict['field2'])
def __init__(self, bdm):
# TODO(ndipanov): Remove this check when we have all the rpc methods
# use objects for block devices.
if isinstance(bdm, obj_base.NovaObject):
self.__dict__['_bdm_obj'] = bdm
else:
self.__dict__['_bdm_obj'] = objects.BlockDeviceMapping()
self._bdm_obj.update(block_device.BlockDeviceDict(bdm))
self._bdm_obj.obj_reset_changes()
if self._bdm_obj.no_device:
raise _NotTransformable()
self.update({field: None for field in self._fields})
self._transform()
def test_from_api_valid_source_to_local_mapping(self):
api_dict = {'id': 1,
'source_type': 'image',
'destination_type': 'local',
'volume_id': 'fake-volume-id-1',
'uuid': 1,
'boot_index': 0}
retexp = block_device.BlockDeviceDict(
{'id': 1,
'source_type': 'image',
'image_id': 1,
'destination_type': 'local',
'volume_id': 'fake-volume-id-1',
'boot_index': 0})
self.assertEqual(
block_device.BlockDeviceDict.from_api(api_dict, True),
retexp)
class TestDriverBlockDevice(test.NoDBTestCase):
driver_classes = {
'swap': driver_block_device.DriverSwapBlockDevice,
'ephemeral': driver_block_device.DriverEphemeralBlockDevice,
'volume': driver_block_device.DriverVolumeBlockDevice,
'snapshot': driver_block_device.DriverSnapshotBlockDevice,
'image': driver_block_device.DriverImageBlockDevice,
'blank': driver_block_device.DriverBlankBlockDevice
}
swap_bdm = block_device.BlockDeviceDict({
'id': 1,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sdb1',
'source_type': 'blank',
'destination_type': 'local',
'delete_on_termination': True,
'guest_format': 'swap',
'disk_bus': 'scsi',
'volume_size': 2,
'boot_index': -1
})
swap_driver_bdm = {
'device_name': '/dev/sdb1',
'swap_size': 2,
'disk_bus': 'scsi'
}
swap_legacy_driver_bdm = {'device_name': '/dev/sdb1', 'swap_size': 2}
ephemeral_bdm = block_device.BlockDeviceDict({
'id': 2,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sdc1',
'source_type': 'blank',
'destination_type': 'local',
'disk_bus': 'scsi',
'device_type': 'disk',
'volume_size': 4,
'guest_format': 'ext4',
'delete_on_termination': True,
'boot_index': -1
})
ephemeral_driver_bdm = {
'device_name': '/dev/sdc1',
'size': 4,
'device_type': 'disk',
'guest_format': 'ext4',
'disk_bus': 'scsi'
}
ephemeral_legacy_driver_bdm = {
'device_name': '/dev/sdc1',
'size': 4,
'virtual_name': 'ephemeral0',
'num': 0
}
volume_bdm = block_device.BlockDeviceDict({
'id': 3,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sda1',
'source_type': 'volume',
'disk_bus': 'scsi',
'device_type': 'disk',
'volume_size': 8,
'destination_type': 'volume',
'volume_id': 'fake-volume-id-1',
'guest_format': 'ext4',
'connection_info': '{"fake": "connection_info"}',
'delete_on_termination': False,
'boot_index': 0
})
volume_driver_bdm = {
'mount_device': '/dev/sda1',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': False,
'disk_bus': 'scsi',
'device_type': 'disk',
'guest_format': 'ext4',
'boot_index': 0
}
volume_legacy_driver_bdm = {
'mount_device': '/dev/sda1',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': False
}
snapshot_bdm = block_device.BlockDeviceDict({
'id': 4,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sda2',
'delete_on_termination': True,
'volume_size': 3,
'disk_bus': 'scsi',
'device_type': 'disk',
'source_type': 'snapshot',
'destination_type': 'volume',
'connection_info': '{"fake": "connection_info"}',
'snapshot_id': 'fake-snapshot-id-1',
'volume_id': 'fake-volume-id-2',
'boot_index': -1
})
snapshot_driver_bdm = {
'mount_device': '/dev/sda2',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': True,
'disk_bus': 'scsi',
'device_type': 'disk',
'guest_format': None,
'boot_index': -1
}
snapshot_legacy_driver_bdm = {
'mount_device': '/dev/sda2',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': True
}
image_bdm = block_device.BlockDeviceDict({
'id': 5,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sda2',
'delete_on_termination': True,
'volume_size': 1,
'disk_bus': 'scsi',
'device_type': 'disk',
'source_type': 'image',
'destination_type': 'volume',
'connection_info': '{"fake": "connection_info"}',
'image_id': 'fake-image-id-1',
'volume_id': 'fake-volume-id-2',
'boot_index': -1
})
image_driver_bdm = {
'mount_device': '/dev/sda2',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': True,
'disk_bus': 'scsi',
'device_type': 'disk',
'guest_format': None,
'boot_index': -1
}
image_legacy_driver_bdm = {
'mount_device': '/dev/sda2',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': True
}
blank_bdm = block_device.BlockDeviceDict({
'id': 6,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sda2',
'delete_on_termination': True,
'volume_size': 3,
'disk_bus': 'scsi',
'device_type': 'disk',
'source_type': 'blank',
'destination_type': 'volume',
'connection_info': '{"fake": "connection_info"}',
'snapshot_id': 'fake-snapshot-id-1',
'volume_id': 'fake-volume-id-2',
'boot_index': -1
})
blank_driver_bdm = {
'mount_device': '/dev/sda2',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': True,
'disk_bus': 'scsi',
'device_type': 'disk',
'guest_format': None,
'boot_index': -1
}
blank_legacy_driver_bdm = {
'mount_device': '/dev/sda2',
'connection_info': {
"fake": "connection_info"
},
'delete_on_termination': True
}
def setUp(self):
super(TestDriverBlockDevice, self).setUp()
self.volume_api = self.mox.CreateMock(cinder.API)
self.virt_driver = self.mox.CreateMock(driver.ComputeDriver)
self.context = context.RequestContext('fake_user', 'fake_project')
def test_no_device_raises(self):
for name, cls in self.driver_classes.items():
self.assertRaises(driver_block_device._NotTransformable, cls,
{'no_device': True})
def _test_driver_device(self, name):
db_bdm = getattr(self, "%s_bdm" % name)
test_bdm = self.driver_classes[name](db_bdm)
self.assertThat(
test_bdm,
matchers.DictMatches(getattr(self, "%s_driver_bdm" % name)))
for k, v in db_bdm.iteritems():
field_val = getattr(test_bdm._bdm_obj, k)
if isinstance(field_val, bool):
v = bool(v)
self.assertEqual(field_val, v)
self.assertThat(
test_bdm.legacy(),
matchers.DictMatches(getattr(self, "%s_legacy_driver_bdm" % name)))
# Test passthru attributes
for passthru in test_bdm._proxy_as_attr:
self.assertEqual(getattr(test_bdm, passthru),
getattr(test_bdm._bdm_obj, passthru))
# Make sure that all others raise _invalidType
for other_name, cls in self.driver_classes.iteritems():
if other_name == name:
continue
self.assertRaises(driver_block_device._InvalidType, cls,
getattr(self, '%s_bdm' % name))
# Test the save method
with mock.patch.object(test_bdm._bdm_obj, 'save') as save_mock:
for fld, alias in test_bdm._update_on_save.iteritems():
test_bdm[alias or fld] = 'fake_changed_value'
test_bdm.save()
for fld, alias in test_bdm._update_on_save.iteritems():
self.assertEqual(test_bdm[alias or fld],
getattr(test_bdm._bdm_obj, fld))
save_mock.assert_called_once_with()
def check_save():
self.assertEqual(set([]), test_bdm._bdm_obj.obj_what_changed())
# Test that nothing is set on the object if there are no actual changes
test_bdm._bdm_obj.obj_reset_changes()
with mock.patch.object(test_bdm._bdm_obj, 'save') as save_mock:
save_mock.side_effect = check_save
test_bdm.save()
def _test_driver_default_size(self, name):
size = 'swap_size' if name == 'swap' else 'size'
no_size_bdm = getattr(self, "%s_bdm" % name).copy()
no_size_bdm['volume_size'] = None
driver_bdm = self.driver_classes[name](no_size_bdm)
self.assertEqual(driver_bdm[size], 0)
del no_size_bdm['volume_size']
driver_bdm = self.driver_classes[name](no_size_bdm)
self.assertEqual(driver_bdm[size], 0)
def test_driver_swap_block_device(self):
self._test_driver_device("swap")
def test_driver_swap_default_size(self):
self._test_driver_default_size('swap')
def test_driver_ephemeral_block_device(self):
self._test_driver_device("ephemeral")
def test_driver_ephemeral_default_size(self):
self._test_driver_default_size('ephemeral')
def test_driver_volume_block_device(self):
self._test_driver_device("volume")
test_bdm = self.driver_classes['volume'](self.volume_bdm)
self.assertEqual(test_bdm['connection_info'],
jsonutils.loads(test_bdm._bdm_obj.connection_info))
self.assertEqual(test_bdm._bdm_obj.id, 3)
self.assertEqual(test_bdm.volume_id, 'fake-volume-id-1')
self.assertEqual(test_bdm.volume_size, 8)
def test_driver_snapshot_block_device(self):
self._test_driver_device("snapshot")
test_bdm = self.driver_classes['snapshot'](self.snapshot_bdm)
self.assertEqual(test_bdm._bdm_obj.id, 4)
self.assertEqual(test_bdm.snapshot_id, 'fake-snapshot-id-1')
self.assertEqual(test_bdm.volume_id, 'fake-volume-id-2')
self.assertEqual(test_bdm.volume_size, 3)
def test_driver_image_block_device(self):
self._test_driver_device('image')
test_bdm = self.driver_classes['image'](self.image_bdm)
self.assertEqual(test_bdm._bdm_obj.id, 5)
self.assertEqual(test_bdm.image_id, 'fake-image-id-1')
self.assertEqual(test_bdm.volume_size, 1)
def test_driver_image_block_device_destination_local(self):
self._test_driver_device('image')
bdm = self.image_bdm.copy()
bdm['destination_type'] = 'local'
self.assertRaises(driver_block_device._InvalidType,
self.driver_classes['image'], bdm)
def test_driver_blank_block_device(self):
self._test_driver_device('blank')
test_bdm = self.driver_classes['blank'](self.blank_bdm)
self.assertEqual(6, test_bdm._bdm_obj.id)
self.assertEqual('fake-volume-id-2', test_bdm.volume_id)
self.assertEqual(3, test_bdm.volume_size)
def _test_volume_attach(self,
driver_bdm,
bdm_dict,
fake_volume,
check_attach=True,
fail_check_attach=False,
driver_attach=False,
fail_driver_attach=False,
volume_attach=True,
fail_volume_attach=False,
access_mode='rw'):
elevated_context = self.context.elevated()
self.stubs.Set(self.context, 'elevated', lambda: elevated_context)
self.mox.StubOutWithMock(driver_bdm._bdm_obj, 'save')
self.mox.StubOutWithMock(encryptors, 'get_encryption_metadata')
instance_detail = {'id': '123', 'uuid': 'fake_uuid'}
instance = fake_instance.fake_instance_obj(self.context,
**instance_detail)
connector = {'ip': 'fake_ip', 'host': 'fake_host'}
connection_info = {'data': {'access_mode': access_mode}}
expected_conn_info = {
'data': {
'access_mode': access_mode
},
'serial': fake_volume['id']
}
enc_data = {'fake': 'enc_data'}
self.volume_api.get(self.context,
fake_volume['id']).AndReturn(fake_volume)
if check_attach:
if not fail_check_attach:
self.volume_api.check_attach(self.context,
fake_volume,
instance=instance).AndReturn(None)
else:
self.volume_api.check_attach(self.context,
fake_volume,
instance=instance).AndRaise(
test.TestingException)
driver_bdm._bdm_obj.save().AndReturn(None)
return instance, expected_conn_info
self.virt_driver.get_volume_connector(instance).AndReturn(connector)
self.volume_api.initialize_connection(
elevated_context, fake_volume['id'],
connector).AndReturn(connection_info)
if driver_attach:
encryptors.get_encryption_metadata(
elevated_context, self.volume_api, fake_volume['id'],
connection_info).AndReturn(enc_data)
if not fail_driver_attach:
self.virt_driver.attach_volume(
elevated_context,
expected_conn_info,
instance,
bdm_dict['device_name'],
disk_bus=bdm_dict['disk_bus'],
device_type=bdm_dict['device_type'],
encryption=enc_data).AndReturn(None)
else:
self.virt_driver.attach_volume(
elevated_context,
expected_conn_info,
instance,
bdm_dict['device_name'],
disk_bus=bdm_dict['disk_bus'],
device_type=bdm_dict['device_type'],
encryption=enc_data).AndRaise(test.TestingException)
self.volume_api.terminate_connection(elevated_context,
fake_volume['id'],
connector).AndReturn(None)
driver_bdm._bdm_obj.save().AndReturn(None)
return instance, expected_conn_info
if volume_attach:
driver_bdm._bdm_obj.save().AndReturn(None)
if not fail_volume_attach:
self.volume_api.attach(elevated_context,
fake_volume['id'],
'fake_uuid',
bdm_dict['device_name'],
mode=access_mode).AndReturn(None)
else:
self.volume_api.attach(elevated_context,
fake_volume['id'],
'fake_uuid',
bdm_dict['device_name'],
mode=access_mode).AndRaise(
test.TestingException)
driver_bdm._bdm_obj.save().AndReturn(None)
return instance, expected_conn_info
def test_volume_attach(self):
test_bdm = self.driver_classes['volume'](self.volume_bdm)
volume = {'id': 'fake-volume-id-1', 'attach_status': 'detached'}
instance, expected_conn_info = self._test_volume_attach(
test_bdm, self.volume_bdm, volume)
self.mox.ReplayAll()
test_bdm.attach(self.context, instance, self.volume_api,
self.virt_driver)
self.assertThat(test_bdm['connection_info'],
matchers.DictMatches(expected_conn_info))
def test_volume_attach_ro(self):
test_bdm = self.driver_classes['volume'](self.volume_bdm)
volume = {'id': 'fake-volume-id-1', 'attach_status': 'detached'}
instance, expected_conn_info = self._test_volume_attach(
test_bdm, self.volume_bdm, volume, access_mode='ro')
self.mox.ReplayAll()
test_bdm.attach(self.context, instance, self.volume_api,
self.virt_driver)
self.assertThat(test_bdm['connection_info'],
matchers.DictMatches(expected_conn_info))
def test_volume_attach_check_attach_fails(self):
test_bdm = self.driver_classes['volume'](self.volume_bdm)
volume = {'id': 'fake-volume-id-1'}
instance, _ = self._test_volume_attach(test_bdm,
self.volume_bdm,
volume,
fail_check_attach=True)
self.mox.ReplayAll()
self.assertRaises(test.TestingException, test_bdm.attach, self.context,
instance, self.volume_api, self.virt_driver)
def test_volume_no_volume_attach(self):
test_bdm = self.driver_classes['volume'](self.volume_bdm)
volume = {'id': 'fake-volume-id-1', 'attach_status': 'detached'}
instance, expected_conn_info = self._test_volume_attach(
test_bdm,
self.volume_bdm,
volume,
check_attach=False,
driver_attach=False)
self.mox.ReplayAll()
test_bdm.attach(self.context,
instance,
self.volume_api,
self.virt_driver,
do_check_attach=False,
do_driver_attach=False)
self.assertThat(test_bdm['connection_info'],
matchers.DictMatches(expected_conn_info))
def test_volume_attach_no_check_driver_attach(self):
test_bdm = self.driver_classes['volume'](self.volume_bdm)
volume = {'id': 'fake-volume-id-1', 'attach_status': 'detached'}
instance, expected_conn_info = self._test_volume_attach(
test_bdm,
self.volume_bdm,
volume,
check_attach=False,
driver_attach=True)
self.mox.ReplayAll()
test_bdm.attach(self.context,
instance,
self.volume_api,
self.virt_driver,
do_check_attach=False,
do_driver_attach=True)
self.assertThat(test_bdm['connection_info'],
matchers.DictMatches(expected_conn_info))
def test_volume_attach_driver_attach_fails(self):
test_bdm = self.driver_classes['volume'](self.volume_bdm)
volume = {'id': 'fake-volume-id-1'}
instance, _ = self._test_volume_attach(test_bdm,
self.volume_bdm,
volume,
driver_attach=True,
fail_driver_attach=True)
self.mox.ReplayAll()
self.assertRaises(test.TestingException,
test_bdm.attach,
self.context,
instance,
self.volume_api,
self.virt_driver,
do_driver_attach=True)
def test_volume_attach_volume_attach_fails(self):
test_bdm = self.driver_classes['volume'](self.volume_bdm)
volume = {'id': 'fake-volume-id-1', 'attach_status': 'detached'}
instance, _ = self._test_volume_attach(test_bdm,
self.volume_bdm,
volume,
driver_attach=True,
fail_volume_attach=True)
self.mox.ReplayAll()
self.assertRaises(test.TestingException,
test_bdm.attach,
self.context,
instance,
self.volume_api,
self.virt_driver,
do_driver_attach=True)
def test_refresh_connection(self):
test_bdm = self.driver_classes['snapshot'](self.snapshot_bdm)
instance = {'id': 'fake_id', 'uuid': 'fake_uuid'}
connector = {'ip': 'fake_ip', 'host': 'fake_host'}
connection_info = {'data': {'multipath_id': 'fake_multipath_id'}}
expected_conn_info = {
'data': {
'multipath_id': 'fake_multipath_id'
},
'serial': 'fake-volume-id-2'
}
self.mox.StubOutWithMock(test_bdm._bdm_obj, 'save')
self.virt_driver.get_volume_connector(instance).AndReturn(connector)
self.volume_api.initialize_connection(
self.context, test_bdm.volume_id,
connector).AndReturn(connection_info)
test_bdm._bdm_obj.save().AndReturn(None)
self.mox.ReplayAll()
test_bdm.refresh_connection_info(self.context, instance,
self.volume_api, self.virt_driver)
self.assertThat(test_bdm['connection_info'],
matchers.DictMatches(expected_conn_info))
def test_snapshot_attach_no_volume(self):
no_volume_snapshot = self.snapshot_bdm.copy()
no_volume_snapshot['volume_id'] = None
test_bdm = self.driver_classes['snapshot'](no_volume_snapshot)
snapshot = {'id': 'fake-volume-id-1', 'attach_status': 'detached'}
volume = {'id': 'fake-volume-id-2', 'attach_status': 'detached'}
wait_func = self.mox.CreateMockAnything()
self.volume_api.get_snapshot(self.context,
'fake-snapshot-id-1').AndReturn(snapshot)
self.volume_api.create(self.context,
3,
'',
'',
snapshot,
availability_zone=None).AndReturn(volume)
wait_func(self.context, 'fake-volume-id-2').AndReturn(None)
instance, expected_conn_info = self._test_volume_attach(
test_bdm, no_volume_snapshot, volume)
self.mox.ReplayAll()
test_bdm.attach(self.context, instance, self.volume_api,
self.virt_driver, wait_func)
self.assertEqual(test_bdm.volume_id, 'fake-volume-id-2')
def test_snapshot_attach_volume(self):
test_bdm = self.driver_classes['snapshot'](self.snapshot_bdm)
instance = {'id': 'fake_id', 'uuid': 'fake_uuid'}
volume_class = self.driver_classes['volume']
self.mox.StubOutWithMock(volume_class, 'attach')
# Make sure theses are not called
self.mox.StubOutWithMock(self.volume_api, 'get_snapshot')
self.mox.StubOutWithMock(self.volume_api, 'create')
volume_class.attach(self.context,
instance,
self.volume_api,
self.virt_driver,
do_check_attach=True).AndReturn(None)
self.mox.ReplayAll()
test_bdm.attach(self.context, instance, self.volume_api,
self.virt_driver)
self.assertEqual(test_bdm.volume_id, 'fake-volume-id-2')
def test_image_attach_no_volume(self):
no_volume_image = self.image_bdm.copy()
no_volume_image['volume_id'] = None
test_bdm = self.driver_classes['image'](no_volume_image)
image = {'id': 'fake-image-id-1'}
volume = {'id': 'fake-volume-id-2', 'attach_status': 'detached'}
wait_func = self.mox.CreateMockAnything()
self.volume_api.create(self.context,
1,
'',
'',
image_id=image['id'],
availability_zone=None).AndReturn(volume)
wait_func(self.context, 'fake-volume-id-2').AndReturn(None)
instance, expected_conn_info = self._test_volume_attach(
test_bdm, no_volume_image, volume)
self.mox.ReplayAll()
test_bdm.attach(self.context, instance, self.volume_api,
self.virt_driver, wait_func)
self.assertEqual(test_bdm.volume_id, 'fake-volume-id-2')
def test_image_attach_volume(self):
test_bdm = self.driver_classes['image'](self.image_bdm)
instance = {'id': 'fake_id', 'uuid': 'fake_uuid'}
volume_class = self.driver_classes['volume']
self.mox.StubOutWithMock(volume_class, 'attach')
# Make sure theses are not called
self.mox.StubOutWithMock(self.volume_api, 'get_snapshot')
self.mox.StubOutWithMock(self.volume_api, 'create')
volume_class.attach(self.context,
instance,
self.volume_api,
self.virt_driver,
do_check_attach=True).AndReturn(None)
self.mox.ReplayAll()
test_bdm.attach(self.context, instance, self.volume_api,
self.virt_driver)
self.assertEqual(test_bdm.volume_id, 'fake-volume-id-2')
def test_blank_attach_volume(self):
no_blank_volume = self.blank_bdm.copy()
no_blank_volume['volume_id'] = None
test_bdm = self.driver_classes['blank'](no_blank_volume)
instance = fake_instance.fake_instance_obj(mock.sentinel.ctx,
**{'uuid': 'fake-uuid'})
volume_class = self.driver_classes['volume']
volume = {
'id': 'fake-volume-id-2',
'display_name': 'fake-uuid-blank-vol'
}
with contextlib.nested(
mock.patch.object(self.volume_api,
'create',
return_value=volume),
mock.patch.object(volume_class,
'attach')) as (vol_create, vol_attach):
test_bdm.attach(self.context, instance, self.volume_api,
self.virt_driver)
vol_create.assert_called_once_with(
self.context,
test_bdm.volume_size,
'fake-uuid-blank-vol',
'',
availability_zone=instance.availability_zone)
vol_attach.assert_called_once_with(self.context,
instance,
self.volume_api,
self.virt_driver,
do_check_attach=True)
self.assertEqual('fake-volume-id-2', test_bdm.volume_id)
def test_convert_block_devices(self):
converted = driver_block_device._convert_block_devices(
self.driver_classes['volume'],
[self.volume_bdm, self.ephemeral_bdm])
self.assertEqual(converted, [self.volume_driver_bdm])
def test_convert_all_volumes(self):
converted = driver_block_device.convert_all_volumes()
self.assertEqual([], converted)
converted = driver_block_device.convert_all_volumes(
self.volume_bdm, self.ephemeral_bdm, self.image_bdm)
self.assertEqual(converted,
[self.volume_driver_bdm, self.image_driver_bdm])
def test_convert_volume(self):
self.assertIsNone(driver_block_device.convert_volume(self.swap_bdm))
self.assertEqual(self.volume_driver_bdm,
driver_block_device.convert_volume(self.volume_bdm))
self.assertEqual(self.snapshot_driver_bdm,
driver_block_device.convert_volume(self.snapshot_bdm))
def test_legacy_block_devices(self):
test_snapshot = self.driver_classes['snapshot'](self.snapshot_bdm)
block_device_mapping = [test_snapshot, test_snapshot]
legacy_bdm = driver_block_device.legacy_block_devices(
block_device_mapping)
self.assertEqual(
legacy_bdm,
[self.snapshot_legacy_driver_bdm, self.snapshot_legacy_driver_bdm])
# Test that the ephemerals work as expected
test_ephemerals = [
self.driver_classes['ephemeral'](self.ephemeral_bdm)
for _ in xrange(2)
]
expected = [self.ephemeral_legacy_driver_bdm.copy() for _ in xrange(2)]
expected[0]['virtual_name'] = 'ephemeral0'
expected[0]['num'] = 0
expected[1]['virtual_name'] = 'ephemeral1'
expected[1]['num'] = 1
legacy_ephemerals = driver_block_device.legacy_block_devices(
test_ephemerals)
self.assertEqual(expected, legacy_ephemerals)
def test_get_swap(self):
swap = [self.swap_driver_bdm]
legacy_swap = [self.swap_legacy_driver_bdm]
no_swap = [self.volume_driver_bdm]
self.assertEqual(swap[0], driver_block_device.get_swap(swap))
self.assertEqual(legacy_swap[0],
driver_block_device.get_swap(legacy_swap))
self.assertIsNone(driver_block_device.get_swap(no_swap))
self.assertIsNone(driver_block_device.get_swap([]))
def test_is_implemented(self):
for bdm in (self.image_bdm, self.volume_bdm, self.swap_bdm,
self.ephemeral_bdm, self.snapshot_bdm):
self.assertTrue(driver_block_device.is_implemented(bdm))
local_image = self.image_bdm.copy()
local_image['destination_type'] = 'local'
self.assertFalse(driver_block_device.is_implemented(local_image))
def test_is_block_device_mapping(self):
test_swap = self.driver_classes['swap'](self.swap_bdm)
test_ephemeral = self.driver_classes['ephemeral'](self.ephemeral_bdm)
test_image = self.driver_classes['image'](self.image_bdm)
test_snapshot = self.driver_classes['snapshot'](self.snapshot_bdm)
test_volume = self.driver_classes['volume'](self.volume_bdm)
test_blank = self.driver_classes['blank'](self.blank_bdm)
for bdm in (test_image, test_snapshot, test_volume, test_blank):
self.assertTrue(
driver_block_device.is_block_device_mapping(bdm._bdm_obj))
for bdm in (test_swap, test_ephemeral):
self.assertFalse(
driver_block_device.is_block_device_mapping(bdm._bdm_obj))
def create(*args, **kwargs):
self.assertThat(
block_device.BlockDeviceDict(self.bdm[0]),
matchers.DictMatches(kwargs['block_device_mapping'][0]))
return old_create(*args, **kwargs)
from patron.compute import vm_states
from patron import context
from patron import objects
from patron import test
from patron.tests.unit import fake_instance
from patron.virt import imagecache
CONF = cfg.CONF
swap_bdm_128 = [
block_device.BlockDeviceDict({
'id': 1,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sdb1',
'source_type': 'blank',
'destination_type': 'local',
'delete_on_termination': True,
'guest_format': 'swap',
'disk_bus': 'scsi',
'volume_size': 128,
'boot_index': -1
})
]
swap_bdm_256 = [
block_device.BlockDeviceDict({
'id': 1,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sdb1',
'source_type': 'blank',
'destination_type': 'local',
'delete_on_termination': True,
def get_image_mapping(self):
return block_device.BlockDeviceDict(self).get_image_mapping()