def fake_bdm_get(ctxt, uuid, use_slave=False):
return [fake_block_device.FakeDbBlockDeviceDict(
{'volume_id': 87654321,
'snapshot_id': None,
'no_device': None,
'source_type': 'volume',
'destination_type': 'volume',
'delete_on_termination': True,
'device_name': '/dev/sdh'}),
fake_block_device.FakeDbBlockDeviceDict(
{'volume_id': None,
'snapshot_id': None,
'no_device': None,
'source_type': 'blank',
'destination_type': 'local',
'guest_format': 'swap',
'delete_on_termination': None,
'device_name': '/dev/sdc'}),
fake_block_device.FakeDbBlockDeviceDict(
{'volume_id': None,
'snapshot_id': None,
'no_device': None,
'source_type': 'blank',
'destination_type': 'local',
'guest_format': None,
'delete_on_termination': None,
'device_name': '/dev/sdb'})]
def stub_bdm_get_all_by_instance(context, instance_uuid, use_slave=False):
return [fake_block_device.FakeDbBlockDeviceDict(
{'id': 1, 'source_type': 'volume', 'destination_type': 'volume',
'volume_id': 'volume_id1', 'instance_uuid': instance_uuid}),
fake_block_device.FakeDbBlockDeviceDict(
{'id': 2, 'source_type': 'volume', 'destination_type': 'volume',
'volume_id': 'volume_id2', 'instance_uuid': instance_uuid})]
def fake_bdms_get_all_by_instance(context, instance_uuid, use_slave=False):
return [
fake_block_device.FakeDbBlockDeviceDict({
'id': 1,
'instance_uuid': instance_uuid,
'device_name': '/dev/fake0',
'delete_on_termination': 'False',
'source_type': 'volume',
'destination_type': 'volume',
'snapshot_id': None,
'volume_id': FAKE_UUID_A,
'volume_size': 1
}),
fake_block_device.FakeDbBlockDeviceDict({
'id': 2,
'instance_uuid': instance_uuid,
'device_name': '/dev/fake1',
'delete_on_termination': 'False',
'source_type': 'volume',
'destination_type': 'volume',
'snapshot_id': None,
'volume_id': FAKE_UUID_B,
'volume_size': 1
})
]
def fake_bdms_get_all_by_instance(context,
instance_uuid,
use_slave=False):
bdms = [
fake_block_device.FakeDbBlockDeviceDict({
'id':
1,
'volume_id':
'a26887c6-c47b-4654-abb5-dfadf7d3f803',
'instance_uuid':
server_id,
'source_type':
'volume',
'destination_type':
'volume',
'device_name':
'/dev/sdd'
}),
fake_block_device.FakeDbBlockDeviceDict({
'id':
2,
'volume_id':
'a26887c6-c47b-4654-abb5-dfadf7d3f804',
'instance_uuid':
server_id,
'source_type':
'volume',
'destination_type':
'volume',
'device_name':
'/dev/sdc'
})
]
return bdms
def test_legacy_mapping_from_object_list(self):
bdm1 = objects.BlockDeviceMapping()
bdm1 = objects.BlockDeviceMapping._from_db_object(
None, bdm1, fake_block_device.FakeDbBlockDeviceDict(
self.new_mapping[0]))
bdm2 = objects.BlockDeviceMapping()
bdm2 = objects.BlockDeviceMapping._from_db_object(
None, bdm2, fake_block_device.FakeDbBlockDeviceDict(
self.new_mapping[1]))
bdmlist = objects.BlockDeviceMappingList()
bdmlist.objects = [bdm1, bdm2]
block_device.legacy_mapping(bdmlist)
def test_root_volume_metadata(self):
fake_volume = {
'volume_image_metadata': {
'vol_test_key': 'vol_test_value'
}
}
class FakeVolumeApi(object):
def get(*args, **kwargs):
return fake_volume
block_device_mapping = block_device_obj.block_device_make_list(
None, [
fake_block_device.FakeDbBlockDeviceDict(
{
'id': 1,
'boot_index': 0,
'source_type': 'volume',
'destination_type': 'volume',
'volume_id': 'fake_volume_id',
'delete_on_termination': False
})
])
volume_meta = block_device_mapping.root_metadata(
self.context, None, FakeVolumeApi())
self.assertEqual(fake_volume['volume_image_metadata'], volume_meta)
def test_snapshot_from_object(self):
for bdm in self.new_mapping[:-1]:
obj = objects.BlockDeviceMapping()
obj = objects.BlockDeviceMapping._from_db_object(
None, obj, fake_block_device.FakeDbBlockDeviceDict(
bdm))
self._test_snapshot_from_bdm(obj)
def fake_bdms_get_all_by_instance(*args, **kwargs):
return [
fake_block_device.FakeDbBlockDeviceDict({
'volume_id': UUID1,
'source_type': 'volume',
'destination_type': 'volume',
'id': 1,
'delete_on_termination': True
}),
fake_block_device.FakeDbBlockDeviceDict({
'volume_id': UUID2,
'source_type': 'volume',
'destination_type': 'volume',
'id': 2,
'delete_on_termination': False
})
]
def test_image_mapping(self):
removed_fields = ['id', 'instance_uuid', 'connection_info',
'device_name', 'created_at', 'updated_at',
'deleted_at', 'deleted']
for bdm in self.new_mapping:
mapping_bdm = fake_block_device.FakeDbBlockDeviceDict(
bdm).get_image_mapping()
for fld in removed_fields:
self.assertNotIn(fld, mapping_bdm)
def _fake_bdm(device):
return fake_block_device.FakeDbBlockDeviceDict({
'source_type': 'volume',
'destination_type': 'volume',
'device_name': device,
'no_device': None,
'volume_id': 'fake',
'snapshot_id': None,
'guest_format': None
})
def fake_bdm(self, bdm_id):
fake_bdm = fake_block_device.FakeDbBlockDeviceDict({
'id': bdm_id,
'instance_uuid': 'fake-instance',
'device_name': '/dev/sda2',
'source_type': 'snapshot',
'destination_type': 'volume',
'connection_info': "{'fake': 'connection_info'}",
'snapshot_id': 'fake-snapshot-id-1',
'boot_index': -1,
})
return fake_bdm
def _test_create_mocked(self, cell_type=None, update_or_create=False):
if cell_type:
self.flags(enable=True, cell_type=cell_type, group='cells')
else:
self.flags(enable=False, group='cells')
values = {
'source_type': 'volume',
'volume_id': 'fake-vol-id',
'destination_type': 'volume',
'instance_uuid': 'fake-instance'
}
fake_bdm = fake_block_device.FakeDbBlockDeviceDict(values)
with contextlib.nested(
mock.patch.object(db,
'block_device_mapping_create',
return_value=fake_bdm),
mock.patch.object(db,
'block_device_mapping_update_or_create',
return_value=fake_bdm),
mock.patch.object(cells_rpcapi.CellsAPI,
'bdm_update_or_create_at_top')) as (
bdm_create_mock,
bdm_update_or_create_mock,
cells_update_mock):
bdm = objects.BlockDeviceMapping(context=self.context, **values)
if update_or_create:
method = bdm.update_or_create
else:
method = bdm.create
if cell_type == 'api':
self.assertRaises(exception.ObjectActionError, method)
else:
method()
if update_or_create:
bdm_update_or_create_mock.assert_called_once_with(
self.context, values, legacy=False)
else:
bdm_create_mock.assert_called_once_with(self.context,
values,
legacy=False)
if cell_type == 'compute':
self.assertEqual(1, cells_update_mock.call_count)
self.assertTrue(len(cells_update_mock.call_args[0]) > 1)
self.assertEqual(cells_update_mock.call_args[0][0],
self.context)
self.assertIsInstance(cells_update_mock.call_args[0][1],
block_device_obj.BlockDeviceMapping)
self.assertEqual(cells_update_mock.call_args[1],
{'create': update_or_create or None})
else:
self.assertFalse(cells_update_mock.called)
def test_create_instances_here(self):
# Just grab the first instance type
inst_type = flavors.get_flavor(1)
image = {'properties': {}}
instance_uuids = self.instance_uuids
instance_props = {'id': 'removed',
'security_groups': 'removed',
'info_cache': 'removed',
'name': 'instance-00000001',
'hostname': 'meow',
'display_name': 'moo',
'image_ref': 'fake_image_ref',
'user_id': self.ctxt.user_id,
# Test these as lists
'metadata': {'moo': 'cow'},
'system_metadata': {'meow': 'cat'},
'flavor': inst_type,
'project_id': self.ctxt.project_id}
call_info = {'uuids': []}
block_device_mapping = [
objects.BlockDeviceMapping(context=self.ctxt,
**fake_block_device.FakeDbBlockDeviceDict(
block_device.create_image_bdm('fake_image_ref'),
anon=True))
]
def _fake_instance_update_at_top(_ctxt, instance):
call_info['uuids'].append(instance['uuid'])
self.stubs.Set(self.msg_runner, 'instance_update_at_top',
_fake_instance_update_at_top)
self.scheduler._create_instances_here(self.ctxt, instance_uuids,
instance_props, inst_type, image,
['default'], block_device_mapping)
self.assertEqual(instance_uuids, call_info['uuids'])
for count, instance_uuid in enumerate(instance_uuids):
instance = db.instance_get_by_uuid(self.ctxt, instance_uuid)
meta = utils.instance_meta(instance)
self.assertEqual('cow', meta['moo'])
sys_meta = utils.instance_sys_meta(instance)
self.assertEqual('cat', sys_meta['meow'])
self.assertEqual('meow', instance['hostname'])
self.assertEqual('moo-%d' % (count + 1),
instance['display_name'])
self.assertEqual('fake_image_ref', instance['image_ref'])
def test_get_device_name(self):
bdm_obj = objects.BlockDeviceMapping(
self.context,
**fake_block_device.FakeDbBlockDeviceDict({
'id': 3,
'instance_uuid': 'fake-instance',
'device_name': '/dev/vda',
'source_type': 'volume',
'destination_type': 'volume',
'volume_id': 'fake-volume-id-1',
'boot_index': 0
}))
self.assertEqual('/dev/vda', blockinfo.get_device_name(bdm_obj))
driver_bdm = driver_block_device.DriverVolumeBlockDevice(bdm_obj)
self.assertEqual('/dev/vda', blockinfo.get_device_name(driver_bdm))
bdm_obj.device_name = None
self.assertIsNone(blockinfo.get_device_name(bdm_obj))
driver_bdm = driver_block_device.DriverVolumeBlockDevice(bdm_obj)
self.assertIsNone(blockinfo.get_device_name(driver_bdm))
def test_attach_detach_different_power_states(self):
instance_ref, network_info = self._get_running_instance()
connection_info = {
"driver_volume_type": "fake",
"serial": "fake_serial",
"data": {}
}
self.connection.power_off(instance_ref)
self.connection.attach_volume(None, connection_info, instance_ref,
'/dev/sda')
bdm = {
'root_device_name': None,
'swap': None,
'ephemerals': [],
'block_device_mapping': driver_block_device.convert_volumes([
fake_block_device.FakeDbBlockDeviceDict(
{'id': 1, 'instance_uuid': instance_ref['uuid'],
'device_name': '/dev/sda',
'source_type': 'volume',
'destination_type': 'volume',
'delete_on_termination': False,
'snapshot_id': None,
'volume_id': 'abcdedf',
'volume_size': None,
'no_device': None
}),
])
}
bdm['block_device_mapping'][0]['connection_info'] = (
{'driver_volume_type': 'fake', 'data': {}})
with mock.patch.object(
driver_block_device.DriverVolumeBlockDevice, 'save'):
self.connection.power_on(
self.ctxt, instance_ref, network_info, bdm)
self.connection.detach_volume(connection_info,
instance_ref,
'/dev/sda')
def test_root_image_metadata(self):
fake_image = {'properties': {'img_test_key': 'img_test_value'}}
class FakeImageApi(object):
def show(*args, **kwargs):
return fake_image
block_device_mapping = block_device_obj.block_device_make_list(
None, [
fake_block_device.FakeDbBlockDeviceDict(
{
'id': 1,
'boot_index': 0,
'source_type': 'image',
'destination_type': 'local',
'image_id': "fake-image",
'delete_on_termination': True
})
])
image_meta = block_device_mapping.root_metadata(
self.context, FakeImageApi(), None)
self.assertEqual(fake_image['properties'], image_meta)
def fake_bdm(self, instance=None):
instance = instance or {}
fake_bdm = fake_block_device.FakeDbBlockDeviceDict({
'id':
123,
'instance_uuid':
instance.get('uuid') or 'fake-instance',
'device_name':
'/dev/sda2',
'source_type':
'snapshot',
'destination_type':
'volume',
'connection_info':
"{'fake': 'connection_info'}",
'snapshot_id':
'fake-snapshot-id-1',
'boot_index':
-1
})
if instance:
fake_bdm['instance'] = instance
return fake_bdm
def setUp(self):
super(DefaultDeviceNamesTestCase, self).setUp()
self.context = context.get_admin_context()
self.instance = objects.Instance(
uuid='32dfcb37-5af1-552b-357c-be8c3aa38310',
memory_kb='1024000',
basepath='/some/path',
bridge_name='br100',
vcpus=2,
project_id='fake',
bridge='br101',
image_ref='155d900f-4e14-4e4c-a73d-069cbf4541e6',
root_gb=10,
ephemeral_gb=20,
instance_type_id=2,
config_drive=False,
system_metadata={})
self.root_device_name = '/dev/vda'
self.virt_type = 'kvm'
self.flavor = objects.Flavor(swap=4)
self.patchers = []
self.patchers.append(
mock.patch.object(self.instance,
'get_flavor',
return_value=self.flavor))
self.patchers.append(
mock.patch('patron.objects.block_device.BlockDeviceMapping.save'))
for patcher in self.patchers:
patcher.start()
self.ephemerals = [
objects.BlockDeviceMapping(
self.context,
**fake_block_device.FakeDbBlockDeviceDict({
'id':
1,
'instance_uuid':
'fake-instance',
'device_name':
'/dev/vdb',
'source_type':
'blank',
'destination_type':
'local',
'device_type':
'disk',
'disk_bus':
'virtio',
'delete_on_termination':
True,
'guest_format':
None,
'volume_size':
1,
'boot_index':
-1
}))
]
self.swap = [
objects.BlockDeviceMapping(
self.context,
**fake_block_device.FakeDbBlockDeviceDict({
'id':
2,
'instance_uuid':
'fake-instance',
'device_name':
'/dev/vdc',
'source_type':
'blank',
'destination_type':
'local',
'device_type':
'disk',
'disk_bus':
'virtio',
'delete_on_termination':
True,
'guest_format':
'swap',
'volume_size':
1,
'boot_index':
-1
}))
]
self.block_device_mapping = [
objects.BlockDeviceMapping(
self.context,
**fake_block_device.FakeDbBlockDeviceDict({
'id': 3,
'instance_uuid': 'fake-instance',
'device_name': '/dev/vda',
'source_type': 'volume',
'destination_type': 'volume',
'device_type': 'disk',
'disk_bus': 'virtio',
'volume_id': 'fake-volume-id-1',
'boot_index': 0
})),
objects.BlockDeviceMapping(
self.context,
**fake_block_device.FakeDbBlockDeviceDict({
'id': 4,
'instance_uuid': 'fake-instance',
'device_name': '/dev/vdd',
'source_type': 'snapshot',
'device_type': 'disk',
'disk_bus': 'virtio',
'destination_type': 'volume',
'snapshot_id': 'fake-snapshot-id-1',
'boot_index': -1
})),
objects.BlockDeviceMapping(
self.context,
**fake_block_device.FakeDbBlockDeviceDict({
'id': 5,
'instance_uuid': 'fake-instance',
'device_name': '/dev/vde',
'source_type': 'blank',
'device_type': 'disk',
'disk_bus': 'virtio',
'destination_type': 'volume',
'boot_index': -1
}))
]
def setUp(self):
super(DefaultDeviceNamesForInstanceTestCase, self).setUp()
self.context = context.RequestContext('fake', 'fake')
self.ephemerals = block_device_obj.block_device_make_list(
self.context,
[fake_block_device.FakeDbBlockDeviceDict(
{'id': 1, 'instance_uuid': 'fake-instance',
'device_name': '/dev/vdb',
'source_type': 'blank',
'destination_type': 'local',
'delete_on_termination': True,
'guest_format': None,
'boot_index': -1})])
self.swap = block_device_obj.block_device_make_list(
self.context,
[fake_block_device.FakeDbBlockDeviceDict(
{'id': 2, 'instance_uuid': 'fake-instance',
'device_name': '/dev/vdc',
'source_type': 'blank',
'destination_type': 'local',
'delete_on_termination': True,
'guest_format': 'swap',
'boot_index': -1})])
self.block_device_mapping = block_device_obj.block_device_make_list(
self.context,
[fake_block_device.FakeDbBlockDeviceDict(
{'id': 3, 'instance_uuid': 'fake-instance',
'device_name': '/dev/vda',
'source_type': 'volume',
'destination_type': 'volume',
'volume_id': 'fake-volume-id-1',
'boot_index': 0}),
fake_block_device.FakeDbBlockDeviceDict(
{'id': 4, 'instance_uuid': 'fake-instance',
'device_name': '/dev/vdd',
'source_type': 'snapshot',
'destination_type': 'volume',
'snapshot_id': 'fake-snapshot-id-1',
'boot_index': -1}),
fake_block_device.FakeDbBlockDeviceDict(
{'id': 5, 'instance_uuid': 'fake-instance',
'device_name': '/dev/vde',
'source_type': 'blank',
'destination_type': 'volume',
'boot_index': -1})])
self.flavor = {'swap': 4}
self.instance = {'uuid': 'fake_instance', 'ephemeral_gb': 2}
self.is_libvirt = False
self.root_device_name = '/dev/vda'
self.update_called = False
def fake_extract_flavor(instance):
return self.flavor
def fake_driver_matches(driver_string):
if driver_string == 'libvirt.LibvirtDriver':
return self.is_libvirt
return False
self.patchers = []
self.patchers.append(
mock.patch.object(objects.BlockDeviceMapping, 'save'))
self.patchers.append(
mock.patch.object(
flavors, 'extract_flavor',
new=mock.Mock(side_effect=fake_extract_flavor)))
self.patchers.append(
mock.patch.object(driver,
'compute_driver_matches',
new=mock.Mock(
side_effect=fake_driver_matches)))
for patcher in self.patchers:
patcher.start()