def __call__(self, *args, **kwargs):
stacktrace = "".join(traceback.format_stack())
LOG.error(
'No db access allowed in %(service_name)s: '
'%(stacktrace)s',
dict(service_name=service_name, stacktrace=stacktrace))
raise exception.DBNotAllowed(service_name)
def __call__(self, *args, **kwargs):
stacktrace = "".join(traceback.format_stack())
LOG = logging.getLogger('nova.network')
LOG.error(_LE('No db access allowed in nova-network: %s'),
stacktrace)
raise exception.DBNotAllowed('nova-network')
def _explode(resource, op):
raise exception.DBNotAllowed(
'Operation %s.%s() is not allowed in a database migration' %
(resource, op))
def __call__(self, *args, **kwargs):
stacktrace = "".join(traceback.format_stack())
LOG.error(_('No db access allowed in nova-dhcpbridge: %s'),
stacktrace)
raise exception.DBNotAllowed('nova-dhcpbridge')
class ComputeRpcAPITestCase(test.NoDBTestCase):
def setUp(self):
super(ComputeRpcAPITestCase, self).setUp()
self.context = context.get_admin_context()
self.fake_flavor_obj = fake_flavor.fake_flavor_obj(self.context)
self.fake_flavor = jsonutils.to_primitive(self.fake_flavor_obj)
instance_attr = {'host': 'fake_host',
'instance_type_id': self.fake_flavor_obj['id'],
'instance_type': self.fake_flavor_obj}
self.fake_instance_obj = fake_instance.fake_instance_obj(self.context,
**instance_attr)
self.fake_instance = jsonutils.to_primitive(self.fake_instance_obj)
self.fake_volume_bdm = objects_block_dev.BlockDeviceMapping(
**fake_block_device.FakeDbBlockDeviceDict(
{'source_type': 'volume', 'destination_type': 'volume',
'instance_uuid': self.fake_instance_obj.uuid,
'volume_id': 'fake-volume-id'}))
self.fake_request_spec_obj = fake_request_spec.fake_spec_obj()
# FIXME(melwitt): Temporary while things have no mappings
self.patcher1 = mock.patch('nova.objects.InstanceMapping.'
'get_by_instance_uuid')
self.patcher2 = mock.patch('nova.objects.HostMapping.get_by_host')
mock_inst_mapping = self.patcher1.start()
mock_host_mapping = self.patcher2.start()
mock_inst_mapping.side_effect = exception.InstanceMappingNotFound(
uuid=self.fake_instance_obj.uuid)
mock_host_mapping.side_effect = exception.HostMappingNotFound(
name=self.fake_instance_obj.host)
def tearDown(self):
super(ComputeRpcAPITestCase, self).tearDown()
self.patcher1.stop()
self.patcher2.stop()
@mock.patch('nova.objects.service.get_minimum_version_all_cells')
def test_auto_pin(self, mock_get_min):
mock_get_min.return_value = 1
self.flags(compute='auto', group='upgrade_levels')
compute_rpcapi.LAST_VERSION = None
rpcapi = compute_rpcapi.ComputeAPI()
self.assertEqual('4.4', rpcapi.router.version_cap)
mock_get_min.assert_called_once_with(mock.ANY, ['nova-compute'])
@mock.patch('nova.objects.service.get_minimum_version_all_cells')
def test_auto_pin_fails_if_too_old(self, mock_get_min):
mock_get_min.return_value = 1955
self.flags(compute='auto', group='upgrade_levels')
self.assertRaises(exception.ServiceTooOld,
compute_rpcapi.ComputeAPI()._determine_version_cap,
mock.Mock)
@mock.patch('nova.objects.service.get_minimum_version_all_cells')
def test_auto_pin_with_service_version_zero(self, mock_get_min):
mock_get_min.return_value = 0
self.flags(compute='auto', group='upgrade_levels')
compute_rpcapi.LAST_VERSION = None
rpcapi = compute_rpcapi.ComputeAPI()
history = service_obj.SERVICE_VERSION_HISTORY
current_version = history[service_obj.SERVICE_VERSION]['compute_rpc']
self.assertEqual(current_version, rpcapi.router.version_cap)
mock_get_min.assert_called_once_with(mock.ANY, ['nova-compute'])
self.assertIsNone(compute_rpcapi.LAST_VERSION)
@mock.patch('nova.objects.service.get_minimum_version_all_cells')
def test_auto_pin_caches(self, mock_get_min):
mock_get_min.return_value = 1
self.flags(compute='auto', group='upgrade_levels')
compute_rpcapi.LAST_VERSION = None
api = compute_rpcapi.ComputeAPI()
for x in range(2):
api._determine_version_cap(mock.Mock())
mock_get_min.assert_called_once_with(mock.ANY, ['nova-compute'])
self.assertEqual('4.4', compute_rpcapi.LAST_VERSION)
def _test_compute_api(self, method, rpc_method,
expected_args=None, **kwargs):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = kwargs.pop('rpcapi_class', compute_rpcapi.ComputeAPI)()
self.assertIsNotNone(rpcapi.router)
self.assertEqual(rpcapi.router.target.topic,
compute_rpcapi.RPC_TOPIC)
# This test wants to run the real prepare function, so must use
# a real client object
default_client = rpcapi.router.default_client
orig_prepare = default_client.prepare
base_version = rpcapi.router.target.version
expected_version = kwargs.pop('version', base_version)
prepare_extra_kwargs = {}
cm_timeout = kwargs.pop('call_monitor_timeout', None)
timeout = kwargs.pop('timeout', None)
if cm_timeout:
prepare_extra_kwargs['call_monitor_timeout'] = cm_timeout
if timeout:
prepare_extra_kwargs['timeout'] = timeout
expected_kwargs = kwargs.copy()
if expected_args:
expected_kwargs.update(expected_args)
if 'host_param' in expected_kwargs:
expected_kwargs['host'] = expected_kwargs.pop('host_param')
else:
expected_kwargs.pop('host', None)
cast_and_call = ['confirm_resize', 'stop_instance']
if rpc_method == 'call' and method in cast_and_call:
if method == 'confirm_resize':
kwargs['cast'] = False
else:
kwargs['do_cast'] = False
if 'host' in kwargs:
host = kwargs['host']
elif 'instances' in kwargs:
host = kwargs['instances'][0]['host']
elif 'destination' in kwargs:
host = expected_kwargs.pop('destination')
else:
host = kwargs['instance']['host']
if method == 'rebuild_instance' and 'node' in expected_kwargs:
expected_kwargs['scheduled_node'] = expected_kwargs.pop('node')
with test.nested(
mock.patch.object(default_client, rpc_method),
mock.patch.object(default_client, 'prepare'),
mock.patch.object(default_client, 'can_send_version'),
) as (
rpc_mock, prepare_mock, csv_mock
):
prepare_mock.return_value = default_client
if '_return_value' in kwargs:
rpc_mock.return_value = kwargs.pop('_return_value')
del expected_kwargs['_return_value']
elif rpc_method == 'call':
rpc_mock.return_value = 'foo'
else:
rpc_mock.return_value = None
csv_mock.side_effect = (
lambda v: orig_prepare(version=v).can_send_version())
retval = getattr(rpcapi, method)(ctxt, **kwargs)
self.assertEqual(retval, rpc_mock.return_value)
prepare_mock.assert_called_once_with(version=expected_version,
server=host,
**prepare_extra_kwargs)
rpc_mock.assert_called_once_with(ctxt, method, **expected_kwargs)
def test_add_aggregate_host(self):
self._test_compute_api('add_aggregate_host', 'cast',
aggregate={'id': 'fake_id'}, host_param='host', host='host',
slave_info={})
def test_add_fixed_ip_to_instance(self):
self._test_compute_api('add_fixed_ip_to_instance', 'cast',
instance=self.fake_instance_obj, network_id='id',
version='5.0')
def test_attach_interface(self):
self._test_compute_api('attach_interface', 'call',
instance=self.fake_instance_obj, network_id='id',
port_id='id2', version='5.0', requested_ip='192.168.1.50',
tag='foo')
def test_attach_volume(self):
self._test_compute_api('attach_volume', 'cast',
instance=self.fake_instance_obj, bdm=self.fake_volume_bdm,
version='5.0')
def test_change_instance_metadata(self):
self._test_compute_api('change_instance_metadata', 'cast',
instance=self.fake_instance_obj, diff={}, version='5.0')
def test_check_instance_shared_storage(self):
self._test_compute_api('check_instance_shared_storage', 'call',
instance=self.fake_instance_obj, data='foo',
version='5.0')
def test_confirm_resize_cast(self):
self._test_compute_api('confirm_resize', 'cast',
instance=self.fake_instance_obj, migration={'id': 'foo'},
host='host')
def test_confirm_resize_call(self):
self._test_compute_api('confirm_resize', 'call',
instance=self.fake_instance_obj, migration={'id': 'foo'},
host='host')
def test_detach_interface(self):
self._test_compute_api('detach_interface', 'cast',
version='5.0', instance=self.fake_instance_obj,
port_id='fake_id')
def test_detach_volume(self):
self._test_compute_api('detach_volume', 'cast',
instance=self.fake_instance_obj, volume_id='id',
attachment_id='fake_id', version='5.0')
def test_finish_resize(self):
self._test_compute_api('finish_resize', 'cast',
instance=self.fake_instance_obj, migration={'id': 'foo'},
image='image', disk_info='disk_info', host='host',
request_spec=self.fake_request_spec_obj, version='5.2')
def test_finish_resize_old_compute(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
mock_client = mock.MagicMock()
rpcapi.router.client.return_value = mock_client
# So we expect that the messages is backported therefore the
# request_spec is dropped
mock_client.can_send_version.return_value = False
mock_cctx = mock.MagicMock()
mock_client.prepare.return_value = mock_cctx
rpcapi.finish_resize(
ctxt, instance=self.fake_instance_obj,
migration=mock.sentinel.migration, image='image',
disk_info='disk_info', host='host',
request_spec=self.fake_request_spec_obj)
mock_client.can_send_version.assert_called_once_with('5.2')
mock_client.prepare.assert_called_with(
server='host', version='5.0')
mock_cctx.cast.assert_called_with(
ctxt, 'finish_resize', instance=self.fake_instance_obj,
migration=mock.sentinel.migration, image='image',
disk_info='disk_info')
def test_finish_revert_resize(self):
self._test_compute_api('finish_revert_resize', 'cast',
instance=self.fake_instance_obj, migration={'id': 'fake_id'},
host='host', request_spec=self.fake_request_spec_obj,
version='5.2')
def test_finish_revert_resize_old_compute(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
mock_client = mock.MagicMock()
rpcapi.router.client.return_value = mock_client
# So we expect that the messages is backported therefore the
# request_spec is dropped
mock_client.can_send_version.return_value = False
mock_cctx = mock.MagicMock()
mock_client.prepare.return_value = mock_cctx
rpcapi.finish_revert_resize(
ctxt, instance=self.fake_instance_obj,
migration=mock.sentinel.migration, host='host',
request_spec=self.fake_request_spec_obj)
mock_client.can_send_version.assert_called_once_with('5.2')
mock_client.prepare.assert_called_with(
server='host', version='5.0')
mock_cctx.cast.assert_called_with(
ctxt, 'finish_revert_resize', instance=self.fake_instance_obj,
migration=mock.sentinel.migration)
def test_get_console_output(self):
self._test_compute_api('get_console_output', 'call',
instance=self.fake_instance_obj, tail_length='tl',
version='5.0')
def test_get_console_pool_info(self):
self._test_compute_api('get_console_pool_info', 'call',
console_type='type', host='host')
def test_get_console_topic(self):
self._test_compute_api('get_console_topic', 'call', host='host')
def test_get_diagnostics(self):
self._test_compute_api('get_diagnostics', 'call',
instance=self.fake_instance_obj, version='5.0')
def test_get_instance_diagnostics(self):
expected_args = {'instance': self.fake_instance_obj}
self._test_compute_api('get_instance_diagnostics', 'call',
expected_args, instance=self.fake_instance_obj,
version='5.0')
def test_get_vnc_console(self):
self._test_compute_api('get_vnc_console', 'call',
instance=self.fake_instance_obj, console_type='type',
version='5.0')
def test_get_spice_console(self):
self._test_compute_api('get_spice_console', 'call',
instance=self.fake_instance_obj, console_type='type',
version='5.0')
def test_get_rdp_console(self):
self._test_compute_api('get_rdp_console', 'call',
instance=self.fake_instance_obj, console_type='type',
version='5.0')
def test_get_serial_console(self):
self._test_compute_api('get_serial_console', 'call',
instance=self.fake_instance_obj, console_type='serial',
version='5.0')
def test_get_mks_console(self):
self._test_compute_api('get_mks_console', 'call',
instance=self.fake_instance_obj, console_type='webmks',
version='5.0')
def test_validate_console_port(self):
self._test_compute_api('validate_console_port', 'call',
instance=self.fake_instance_obj, port="5900",
console_type="novnc", version='5.0')
def test_host_maintenance_mode(self):
self._test_compute_api('host_maintenance_mode', 'call',
host_param='param', mode='mode', host='host')
def test_host_power_action(self):
self._test_compute_api('host_power_action', 'call', action='action',
host='host')
def test_inject_network_info(self):
self._test_compute_api('inject_network_info', 'cast',
instance=self.fake_instance_obj)
def test_live_migration(self):
self._test_compute_api('live_migration', 'cast',
instance=self.fake_instance_obj, dest='dest',
block_migration='blockity_block', host='tsoh',
migration='migration',
migrate_data={}, version='5.0')
def test_live_migration_force_complete(self):
migration = migration_obj.Migration()
migration.id = 1
migration.source_compute = 'fake'
ctxt = context.RequestContext('fake_user', 'fake_project')
version = '5.0'
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
mock_client = mock.MagicMock()
rpcapi.router.client.return_value = mock_client
mock_client.can_send_version.return_value = True
mock_cctx = mock.MagicMock()
mock_client.prepare.return_value = mock_cctx
rpcapi.live_migration_force_complete(ctxt, self.fake_instance_obj,
migration)
mock_client.prepare.assert_called_with(server=migration.source_compute,
version=version)
mock_cctx.cast.assert_called_with(ctxt,
'live_migration_force_complete',
instance=self.fake_instance_obj)
def test_live_migration_abort(self):
self._test_compute_api('live_migration_abort', 'cast',
instance=self.fake_instance_obj,
migration_id='1', version='5.0')
def test_post_live_migration_at_destination(self):
self.flags(long_rpc_timeout=1234)
self._test_compute_api('post_live_migration_at_destination', 'call',
instance=self.fake_instance_obj,
block_migration='block_migration', host='host', version='5.0',
timeout=1234, call_monitor_timeout=60)
def test_pause_instance(self):
self._test_compute_api('pause_instance', 'cast',
instance=self.fake_instance_obj)
def test_soft_delete_instance(self):
self._test_compute_api('soft_delete_instance', 'cast',
instance=self.fake_instance_obj)
def test_swap_volume(self):
self._test_compute_api('swap_volume', 'cast',
instance=self.fake_instance_obj, old_volume_id='oldid',
new_volume_id='newid', new_attachment_id=uuids.attachment_id,
version='5.0')
def test_restore_instance(self):
self._test_compute_api('restore_instance', 'cast',
instance=self.fake_instance_obj, version='5.0')
def test_pre_live_migration(self):
self.flags(long_rpc_timeout=1234)
self._test_compute_api('pre_live_migration', 'call',
instance=self.fake_instance_obj,
block_migration='block_migration', disk='disk', host='host',
migrate_data=None, version='5.0',
call_monitor_timeout=60, timeout=1234)
def test_supports_numa_live_migration(self):
mock_client = mock.MagicMock()
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
ctxt = context.RequestContext('fake_user', 'fake_project'),
mock_client.can_send_version.return_value = False
self.assertFalse(rpcapi.supports_numa_live_migration(ctxt))
mock_client.can_send_version.return_value = True
self.assertTrue(rpcapi.supports_numa_live_migration(ctxt))
mock_client.can_send_version.assert_has_calls(
[mock.call('5.3'), mock.call('5.3')])
def test_check_can_live_migrate_destination(self):
self.flags(long_rpc_timeout=1234)
self._test_compute_api('check_can_live_migrate_destination', 'call',
instance=self.fake_instance_obj,
destination='dest',
block_migration=False,
disk_over_commit=False,
version='5.3', call_monitor_timeout=60,
migration='migration',
limits='limits',
timeout=1234)
def test_check_can_live_migrate_destination_backlevel(self):
mock_cctxt = mock.MagicMock()
mock_client = mock.MagicMock()
mock_client.can_send_version.return_value = False
mock_client.prepare.return_value = mock_cctxt
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
ctxt = context.RequestContext('fake_user', 'fake_project'),
rpcapi.check_can_live_migrate_destination(
ctxt, instance=self.fake_instance_obj,
destination='dest',
block_migration=False,
disk_over_commit=False,
migration='migration',
limits='limits')
mock_client.prepare.assert_called_with(server='dest', version='5.0',
call_monitor_timeout=mock.ANY,
timeout=mock.ANY)
mock_cctxt.call.assert_called_once_with(
ctxt, 'check_can_live_migrate_destination',
instance=self.fake_instance_obj, block_migration=False,
disk_over_commit=False)
def test_drop_move_claim_at_destination(self):
self._test_compute_api('drop_move_claim_at_destination', 'call',
instance=self.fake_instance_obj, host='host',
version='5.3', _return_value=None)
def test_prep_resize(self):
self._test_compute_api('prep_resize', 'cast',
instance=self.fake_instance_obj,
instance_type=self.fake_flavor_obj,
image='fake_image', host='host',
request_spec='fake_spec',
filter_properties={'fakeprop': 'fakeval'},
migration='migration',
node='node', clean_shutdown=True, host_list=None,
version='5.1')
def test_prep_snapshot_based_resize_at_dest(self):
"""Tests happy path for prep_snapshot_based_resize_at_dest rpc call"""
self.flags(long_rpc_timeout=1234)
self._test_compute_api(
'prep_snapshot_based_resize_at_dest', 'call',
# compute method kwargs
instance=self.fake_instance_obj,
flavor=self.fake_flavor_obj,
nodename='node',
migration=migration_obj.Migration(),
limits={},
request_spec=objects.RequestSpec(),
destination='dest',
# client.prepare kwargs
version='5.5', call_monitor_timeout=60, timeout=1234,
# assert the expected return value
_return_value=mock.sentinel.migration_context)
@mock.patch('nova.rpc.ClientRouter.client')
def test_prep_snapshot_based_resize_at_dest_old_compute(self, mock_client):
"""Tests when the destination compute service is too old to call
prep_snapshot_based_resize_at_dest so MigrationPreCheckError is
raised.
"""
mock_client.return_value.can_send_version.return_value = False
rpcapi = compute_rpcapi.ComputeAPI()
ex = self.assertRaises(
exception.MigrationPreCheckError,
rpcapi.prep_snapshot_based_resize_at_dest,
self.context,
instance=self.fake_instance_obj,
flavor=self.fake_flavor_obj,
nodename='node',
migration=migration_obj.Migration(),
limits={},
request_spec=objects.RequestSpec(),
destination='dest')
self.assertIn('Compute too old', six.text_type(ex))
def test_prep_snapshot_based_resize_at_source(self):
"""Tests happy path for prep_snapshot_based_resize_at_source rpc call
"""
self.flags(long_rpc_timeout=1234)
self._test_compute_api(
'prep_snapshot_based_resize_at_source', 'call',
# compute method kwargs
instance=self.fake_instance_obj,
migration=migration_obj.Migration(),
snapshot_id=uuids.snapshot_id,
# client.prepare kwargs
version='5.6', call_monitor_timeout=60, timeout=1234)
@mock.patch('nova.rpc.ClientRouter.client')
def test_prep_snapshot_based_resize_at_source_old_compute(
self, mock_client):
"""Tests when the source compute service is too old to call
prep_snapshot_based_resize_at_source so MigrationError is raised.
"""
mock_client.return_value.can_send_version.return_value = False
rpcapi = compute_rpcapi.ComputeAPI()
ex = self.assertRaises(
exception.MigrationError,
rpcapi.prep_snapshot_based_resize_at_source,
self.context,
instance=self.fake_instance_obj,
migration=migration_obj.Migration(),
snapshot_id=uuids.snapshot_id)
self.assertIn('Compute too old', six.text_type(ex))
def test_reboot_instance(self):
self.maxDiff = None
self._test_compute_api('reboot_instance', 'cast',
instance=self.fake_instance_obj,
block_device_info={},
reboot_type='type')
def test_rebuild_instance(self):
self._test_compute_api('rebuild_instance', 'cast', new_pass='******',
injected_files='None', image_ref='None', orig_image_ref='None',
bdms=[], instance=self.fake_instance_obj, host='new_host',
orig_sys_metadata=None, recreate=True, on_shared_storage=True,
preserve_ephemeral=True, migration=None, node=None,
limits=None, request_spec=None, version='5.0')
def test_reserve_block_device_name(self):
self._test_compute_api('reserve_block_device_name', 'call',
instance=self.fake_instance_obj, device='device',
volume_id='id', disk_bus='ide', device_type='cdrom',
tag='foo', multiattach=True, version='5.0',
_return_value=objects_block_dev.BlockDeviceMapping())
def test_refresh_instance_security_rules(self):
expected_args = {'instance': self.fake_instance_obj}
self._test_compute_api('refresh_instance_security_rules', 'cast',
expected_args, host='fake_host',
instance=self.fake_instance_obj, version='5.0')
def test_remove_aggregate_host(self):
self._test_compute_api('remove_aggregate_host', 'cast',
aggregate={'id': 'fake_id'}, host_param='host', host='host',
slave_info={})
def test_remove_fixed_ip_from_instance(self):
self._test_compute_api('remove_fixed_ip_from_instance', 'cast',
instance=self.fake_instance_obj, address='addr',
version='5.0')
def test_remove_volume_connection(self):
self._test_compute_api('remove_volume_connection', 'call',
instance=self.fake_instance_obj, volume_id='id', host='host',
version='5.0')
def test_rescue_instance(self):
self._test_compute_api('rescue_instance', 'cast',
instance=self.fake_instance_obj, rescue_password='******',
rescue_image_ref='fake_image_ref',
clean_shutdown=True, version='5.0')
def test_reset_network(self):
self._test_compute_api('reset_network', 'cast',
instance=self.fake_instance_obj)
def test_resize_instance(self):
self._test_compute_api('resize_instance', 'cast',
instance=self.fake_instance_obj, migration={'id': 'fake_id'},
image='image', instance_type=self.fake_flavor_obj,
clean_shutdown=True, request_spec=self.fake_request_spec_obj,
version='5.2')
def test_resize_instance_old_compute(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
mock_client = mock.MagicMock()
rpcapi.router.client.return_value = mock_client
# So we expect that the messages is backported therefore the
# request_spec is dropped
mock_client.can_send_version.return_value = False
mock_cctx = mock.MagicMock()
mock_client.prepare.return_value = mock_cctx
rpcapi.resize_instance(
ctxt, instance=self.fake_instance_obj,
migration=mock.sentinel.migration, image='image',
instance_type='instance_type', clean_shutdown=True,
request_spec=self.fake_request_spec_obj)
mock_client.can_send_version.assert_called_once_with('5.2')
mock_client.prepare.assert_called_with(
server=self.fake_instance_obj.host, version='5.0')
mock_cctx.cast.assert_called_with(
ctxt, 'resize_instance', instance=self.fake_instance_obj,
migration=mock.sentinel.migration, image='image',
instance_type='instance_type', clean_shutdown=True)
def test_resume_instance(self):
self._test_compute_api('resume_instance', 'cast',
instance=self.fake_instance_obj)
def test_revert_resize(self):
self._test_compute_api('revert_resize', 'cast',
instance=self.fake_instance_obj, migration={'id': 'fake_id'},
host='host', request_spec=self.fake_request_spec_obj,
version='5.2')
def test_revert_resize_old_compute(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
mock_client = mock.MagicMock()
rpcapi.router.client.return_value = mock_client
# So we expect that the messages is backported therefore the
# request_spec is dropped
mock_client.can_send_version.return_value = False
mock_cctx = mock.MagicMock()
mock_client.prepare.return_value = mock_cctx
rpcapi.revert_resize(
ctxt, instance=self.fake_instance_obj,
migration=mock.sentinel.migration, host='host',
request_spec=self.fake_request_spec_obj)
mock_client.can_send_version.assert_called_once_with('5.2')
mock_client.prepare.assert_called_with(
server='host', version='5.0')
mock_cctx.cast.assert_called_with(
ctxt, 'revert_resize', instance=self.fake_instance_obj,
migration=mock.sentinel.migration)
def test_set_admin_password(self):
self._test_compute_api('set_admin_password', 'call',
instance=self.fake_instance_obj, new_pass='******',
version='5.0')
def test_set_host_enabled(self):
self.flags(long_rpc_timeout=600, rpc_response_timeout=120)
self._test_compute_api('set_host_enabled', 'call',
enabled='enabled', host='host',
call_monitor_timeout=120, timeout=600)
def test_get_host_uptime(self):
self._test_compute_api('get_host_uptime', 'call', host='host')
def test_backup_instance(self):
self._test_compute_api('backup_instance', 'cast',
instance=self.fake_instance_obj, image_id='id',
backup_type='type', rotation='rotation')
def test_snapshot_instance(self):
self._test_compute_api('snapshot_instance', 'cast',
instance=self.fake_instance_obj, image_id='id')
def test_start_instance(self):
self._test_compute_api('start_instance', 'cast',
instance=self.fake_instance_obj)
def test_stop_instance_cast(self):
self._test_compute_api('stop_instance', 'cast',
instance=self.fake_instance_obj,
clean_shutdown=True, version='5.0')
def test_stop_instance_call(self):
self._test_compute_api('stop_instance', 'call',
instance=self.fake_instance_obj,
clean_shutdown=True, version='5.0')
def test_suspend_instance(self):
self._test_compute_api('suspend_instance', 'cast',
instance=self.fake_instance_obj)
def test_terminate_instance(self):
self._test_compute_api('terminate_instance', 'cast',
instance=self.fake_instance_obj, bdms=[],
version='5.0')
def test_unpause_instance(self):
self._test_compute_api('unpause_instance', 'cast',
instance=self.fake_instance_obj)
def test_unrescue_instance(self):
self._test_compute_api('unrescue_instance', 'cast',
instance=self.fake_instance_obj, version='5.0')
def test_shelve_instance(self):
self._test_compute_api('shelve_instance', 'cast',
instance=self.fake_instance_obj, image_id='image_id',
clean_shutdown=True, version='5.0')
def test_shelve_offload_instance(self):
self._test_compute_api('shelve_offload_instance', 'cast',
instance=self.fake_instance_obj,
clean_shutdown=True, version='5.0')
def test_unshelve_instance(self):
self._test_compute_api('unshelve_instance', 'cast',
instance=self.fake_instance_obj, host='host', image='image',
filter_properties={'fakeprop': 'fakeval'}, node='node',
request_spec=self.fake_request_spec_obj,
version='5.2')
def test_cache_image(self):
self._test_compute_api('cache_images', 'call',
host='host', image_ids=['image'],
call_monitor_timeout=60, timeout=1800,
version='5.4')
def test_cache_image_pinned(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
mock_client = mock.MagicMock()
rpcapi.router.client.return_value = mock_client
mock_client.can_send_version.return_value = False
self.assertRaises(exception.NovaException,
rpcapi.cache_images, ctxt, 'host', ['image'])
def test_unshelve_instance_old_compute(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = compute_rpcapi.ComputeAPI()
rpcapi.router.client = mock.Mock()
mock_client = mock.MagicMock()
rpcapi.router.client.return_value = mock_client
# So we expect that the messages is backported therefore the
# request_spec is dropped
mock_client.can_send_version.return_value = False
mock_cctx = mock.MagicMock()
mock_client.prepare.return_value = mock_cctx
rpcapi.unshelve_instance(
ctxt, instance=self.fake_instance_obj,
host='host', request_spec=self.fake_request_spec_obj,
image='image')
mock_client.can_send_version.assert_called_once_with('5.2')
mock_client.prepare.assert_called_with(
server='host', version='5.0')
mock_cctx.cast.assert_called_with(
ctxt, 'unshelve_instance', instance=self.fake_instance_obj,
image='image', filter_properties=None, node=None)
def test_volume_snapshot_create(self):
self._test_compute_api('volume_snapshot_create', 'cast',
instance=self.fake_instance_obj, volume_id='fake_id',
create_info={}, version='5.0')
def test_volume_snapshot_delete(self):
self._test_compute_api('volume_snapshot_delete', 'cast',
instance=self.fake_instance_obj, volume_id='fake_id',
snapshot_id='fake_id2', delete_info={}, version='5.0')
def test_external_instance_event(self):
self._test_compute_api('external_instance_event', 'cast',
instances=[self.fake_instance_obj],
events=['event'],
version='5.0')
def test_build_and_run_instance(self):
self._test_compute_api('build_and_run_instance', 'cast',
instance=self.fake_instance_obj, host='host', image='image',
request_spec={'request': 'spec'}, filter_properties=[],
admin_password='******', injected_files=None,
requested_networks=['network1'], security_groups=None,
block_device_mapping=None, node='node', limits=[],
host_list=None, version='5.0')
def test_quiesce_instance(self):
self._test_compute_api('quiesce_instance', 'call',
instance=self.fake_instance_obj, version='5.0')
def test_unquiesce_instance(self):
self._test_compute_api('unquiesce_instance', 'cast',
instance=self.fake_instance_obj, mapping=None, version='5.0')
def test_trigger_crash_dump(self):
self._test_compute_api('trigger_crash_dump', 'cast',
instance=self.fake_instance_obj, version='5.0')
@mock.patch('nova.compute.rpcapi.LOG')
@mock.patch('nova.objects.Service.get_minimum_version')
@mock.patch('nova.objects.service.get_minimum_version_all_cells')
def test_version_cap_no_computes_log_once(self, mock_allcells, mock_minver,
mock_log):
self.flags(connection=None, group='api_database')
self.flags(compute='auto', group='upgrade_levels')
mock_minver.return_value = 0
api = compute_rpcapi.ComputeAPI()
for x in range(2):
api._determine_version_cap(mock.Mock())
mock_allcells.assert_not_called()
mock_minver.assert_has_calls([
mock.call(mock.ANY, 'nova-compute'),
mock.call(mock.ANY, 'nova-compute')])
@mock.patch('nova.objects.Service.get_minimum_version')
@mock.patch('nova.objects.service.get_minimum_version_all_cells')
def test_version_cap_all_cells(self, mock_allcells, mock_minver):
self.flags(connection='sqlite:///', group='api_database')
self.flags(compute='auto', group='upgrade_levels')
mock_allcells.return_value = 0
compute_rpcapi.ComputeAPI()._determine_version_cap(mock.Mock())
mock_allcells.assert_called_once_with(mock.ANY, ['nova-compute'])
mock_minver.assert_not_called()
@mock.patch('nova.compute.rpcapi.LOG.error')
@mock.patch('nova.objects.Service.get_minimum_version')
@mock.patch('nova.objects.service.get_minimum_version_all_cells',
side_effect=exception.DBNotAllowed(binary='nova-compute'))
def test_version_cap_all_cells_no_access(self, mock_allcells, mock_minver,
mock_log_error):
"""Tests a scenario where nova-compute is configured with a connection
to the API database and fails trying to get the minium nova-compute
service version across all cells because nova-compute is configured to
not allow direct database access.
"""
self.flags(connection='sqlite:///', group='api_database')
self.assertRaises(exception.DBNotAllowed,
compute_rpcapi.ComputeAPI()._determine_version_cap,
mock.Mock())
mock_allcells.assert_called_once_with(mock.ANY, ['nova-compute'])
mock_minver.assert_not_called()
# Make sure the expected error was logged.
mock_log_error.assert_called_once_with(
'This service is configured for access to the '
'API database but is not allowed to directly '
'access the database. You should run this '
'service without the [api_database]/connection '
'config option.')
def __call__(self, *args, **kwargs):
stacktrace = "".join(traceback.format_stack())
LOG = logging.getLogger('nova.compute')
LOG.error('No db access allowed in nova-compute: %s' % stacktrace)
raise exception.DBNotAllowed('nova-compute')