OpenStack Compute (Nova)
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# Copyright 2012, Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Unit Tests for nova.compute.rpcapi
"""
import copy
import mock
from oslo_serialization import jsonutils
from nova.compute import rpcapi as compute_rpcapi
import nova.conf
from nova import context
from nova import exception
from nova import objects
from nova.objects import block_device as objects_block_dev
from nova.objects import migrate_data as migrate_data_obj
from nova.objects import migration as migration_obj
from nova import test
from nova.tests.unit import fake_block_device
from nova.tests.unit import fake_flavor
from nova.tests.unit import fake_instance
from nova.tests import uuidsentinel as uuids
CONF = nova.conf.CONF
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'}))
# 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')
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')
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')
compute_rpcapi.LAST_VERSION = None
self.assertRaises(exception.ServiceTooOld,
compute_rpcapi.ComputeAPI)
@mock.patch('nova.objects.Service.get_minimum_version')
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()
self.assertEqual('4.11', 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')
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
compute_rpcapi.ComputeAPI()
compute_rpcapi.ComputeAPI()
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)
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
elif method == 'prep_resize' and 'migration' not in expected_args:
del expected_kwargs['migration']
if 'host' in kwargs:
host = kwargs['host']
elif 'instances' in kwargs:
host = kwargs['instances'][0]['host']
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)
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='4.0')
def test_attach_interface(self):
self._test_compute_api('attach_interface', 'call',
instance=self.fake_instance_obj, network_id='id',
port_id='id2', version='4.16', requested_ip='192.168.1.50',
tag='foo')
def test_attach_interface_raises(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = self.fake_instance_obj
rpcapi = compute_rpcapi.ComputeAPI()
cctxt_mock = mock.Mock()
mock_client = mock.Mock()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
with test.nested(
mock.patch.object(mock_client, 'can_send_version',
return_value=False),
mock.patch.object(mock_client, 'prepare',
return_value=cctxt_mock)
) as (
can_send_mock, prepare_mock
):
self.assertRaises(exception.TaggedAttachmentNotSupported,
rpcapi.attach_interface, ctxt, instance,
'fake_network', 'fake_port', 'fake_requested_ip',
tag='foo')
can_send_mock.assert_called_once_with('4.16')
def test_attach_interface_downgrades_version(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = self.fake_instance_obj
rpcapi = compute_rpcapi.ComputeAPI()
call_mock = mock.Mock()
cctxt_mock = mock.Mock(call=call_mock)
mock_client = mock.Mock()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
with test.nested(
mock.patch.object(mock_client, 'can_send_version',
return_value=False),
mock.patch.object(mock_client, 'prepare',
return_value=cctxt_mock)
) as (
can_send_mock, prepare_mock
):
rpcapi.attach_interface(ctxt, instance, 'fake_network',
'fake_port', 'fake_requested_ip')
can_send_mock.assert_called_once_with('4.16')
prepare_mock.assert_called_once_with(server=instance['host'],
version='4.0')
call_mock.assert_called_once_with(ctxt, 'attach_interface',
instance=instance,
network_id='fake_network',
port_id='fake_port',
requested_ip='fake_requested_ip')
def test_attach_volume(self):
self._test_compute_api('attach_volume', 'cast',
instance=self.fake_instance_obj, bdm=self.fake_volume_bdm,
version='4.0')
def test_change_instance_metadata(self):
self._test_compute_api('change_instance_metadata', 'cast',
instance=self.fake_instance_obj, diff={}, version='4.0')
def test_check_instance_shared_storage(self):
self._test_compute_api('check_instance_shared_storage', 'call',
instance=self.fake_instance_obj, data='foo',
version='4.0')
def test_confirm_resize_cast(self):
self._test_compute_api('confirm_resize', 'cast',
instance=self.fake_instance_obj, migration={'id': 'foo'},
host='host', reservations=list('fake_res'))
def test_confirm_resize_call(self):
self._test_compute_api('confirm_resize', 'call',
instance=self.fake_instance_obj, migration={'id': 'foo'},
host='host', reservations=list('fake_res'))
def test_detach_interface(self):
self._test_compute_api('detach_interface', 'cast',
version='4.0', 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='4.7')
def test_detach_volume_no_attachment_id(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = self.fake_instance_obj
rpcapi = compute_rpcapi.ComputeAPI()
cast_mock = mock.Mock()
cctxt_mock = mock.Mock(cast=cast_mock)
rpcapi.router.client = mock.Mock()
mock_client = mock.Mock()
rpcapi.router.client.return_value = mock_client
with test.nested(
mock.patch.object(mock_client, 'can_send_version',
return_value=False),
mock.patch.object(mock_client, 'prepare',
return_value=cctxt_mock)
) as (
can_send_mock, prepare_mock
):
rpcapi.detach_volume(ctxt, instance=instance,
volume_id='id', attachment_id='fake_id')
# assert our mocks were called as expected
can_send_mock.assert_called_once_with('4.7')
prepare_mock.assert_called_once_with(server=instance['host'],
version='4.0')
cast_mock.assert_called_once_with(ctxt, 'detach_volume',
instance=instance,
volume_id='id')
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',
reservations=list('fake_res'))
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', reservations=list('fake_res'))
def test_get_console_output(self):
self._test_compute_api('get_console_output', 'call',
instance=self.fake_instance_obj, tail_length='tl',
version='4.0')
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='4.0')
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='4.14')
def test_get_vnc_console(self):
self._test_compute_api('get_vnc_console', 'call',
instance=self.fake_instance_obj, console_type='type',
version='4.0')
def test_get_spice_console(self):
self._test_compute_api('get_spice_console', 'call',
instance=self.fake_instance_obj, console_type='type',
version='4.0')
def test_get_rdp_console(self):
self._test_compute_api('get_rdp_console', 'call',
instance=self.fake_instance_obj, console_type='type',
version='4.0')
def test_get_serial_console(self):
self._test_compute_api('get_serial_console', 'call',
instance=self.fake_instance_obj, console_type='serial',
version='4.0')
def test_get_mks_console(self):
self._test_compute_api('get_mks_console', 'call',
instance=self.fake_instance_obj, console_type='webmks',
version='4.3')
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='4.0')
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='4.8')
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 = '4.12'
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_force_complete_backward_compatibility(self):
migration = migration_obj.Migration()
migration.id = 1
migration.source_compute = 'fake'
version = '4.9'
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
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,
migration_id=migration.id)
def test_live_migration_abort(self):
self._test_compute_api('live_migration_abort', 'cast',
instance=self.fake_instance_obj,
migration_id='1', version='4.10')
def test_post_live_migration_at_destination(self):
self._test_compute_api('post_live_migration_at_destination', 'call',
instance=self.fake_instance_obj,
block_migration='block_migration', host='host', version='4.0')
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,
reservations=['uuid1', 'uuid2'])
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='4.17')
def test_swap_volume_cannot_send_version_4_17(self):
"""Tests that if the RPC client cannot send version 4.17 we drop back
to version 4.0 and don't send the new_attachment_id kwarg.
"""
rpcapi = compute_rpcapi.ComputeAPI()
fake_context = mock.Mock()
fake_client = mock.Mock()
fake_client.can_send_version.return_value = False
fake_client.prepare.return_value = fake_context
with mock.patch.object(rpcapi.router, 'client',
return_value=fake_client):
rpcapi.swap_volume(self.context, self.fake_instance_obj,
uuids.old_volume_id, uuids.new_volume_id,
uuids.new_attachment_id)
fake_client.prepare.assert_called_once_with(
server=self.fake_instance_obj.host, version='4.0')
fake_context.cast.assert_called_once_with(
self.context, 'swap_volume', instance=self.fake_instance_obj,
old_volume_id=uuids.old_volume_id,
new_volume_id=uuids.new_volume_id)
def test_restore_instance(self):
self._test_compute_api('restore_instance', 'cast',
instance=self.fake_instance_obj, version='4.0')
def test_pre_live_migration(self):
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='4.8')
def test_prep_resize(self):
expected_args = {'migration': 'migration'}
self._test_compute_api('prep_resize', 'cast', expected_args,
instance=self.fake_instance_obj,
instance_type=self.fake_flavor_obj,
image='fake_image', host='host',
reservations=list('fake_res'),
request_spec='fake_spec',
filter_properties={'fakeprop': 'fakeval'},
migration='migration',
node='node', clean_shutdown=True, host_list=None,
version='4.21')
self.flags(compute='4.0', group='upgrade_levels')
expected_args = {'instance_type': self.fake_flavor}
self._test_compute_api('prep_resize', 'cast', expected_args,
instance=self.fake_instance_obj,
instance_type=self.fake_flavor_obj,
image='fake_image', host='host',
reservations=list('fake_res'),
request_spec='fake_spec',
filter_properties={'fakeprop': 'fakeval'},
migration='migration',
node='node', clean_shutdown=True, version='4.0')
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='None',
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='4.22')
def test_rebuild_instance_remove_request_spec(self):
self.flags(group='upgrade_levels', compute='4.21')
self._test_compute_api('rebuild_instance', 'cast', new_pass='None',
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, version='4.5')
def test_rebuild_instance_downgrade(self):
self.flags(group='upgrade_levels', compute='4.0')
self._test_compute_api('rebuild_instance', 'cast', new_pass='None',
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, version='4.0')
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='4.20',
_return_value=objects_block_dev.BlockDeviceMapping())
def test_reserve_block_device_name_raises(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = self.fake_instance_obj
rpcapi = compute_rpcapi.ComputeAPI()
cctxt_mock = mock.Mock()
mock_client = mock.Mock()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
with test.nested(
mock.patch.object(mock_client, 'can_send_version',
side_effect=[False, False]),
mock.patch.object(mock_client, 'prepare',
return_value=cctxt_mock)
) as (
can_send_mock, prepare_mock
):
self.assertRaises(exception.TaggedAttachmentNotSupported,
rpcapi.reserve_block_device_name, ctxt, instance,
'fake_device', 'fake_volume_id', tag='foo')
can_send_calls = [mock.call('4.20'), mock.call('4.15')]
can_send_mock.assert_has_calls(can_send_calls)
def test_reserve_block_device_name_downgrades_version(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = self.fake_instance_obj
rpcapi = compute_rpcapi.ComputeAPI()
call_mock = mock.Mock()
cctxt_mock = mock.Mock(call=call_mock)
mock_client = mock.Mock()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
with test.nested(
mock.patch.object(mock_client, 'can_send_version',
side_effect=[False, False]),
mock.patch.object(mock_client, 'prepare',
return_value=cctxt_mock)
) as (
can_send_mock, prepare_mock
):
rpcapi.reserve_block_device_name(ctxt, instance, 'fake_device',
'fake_volume_id')
can_send_calls = [mock.call('4.20'), mock.call('4.15')]
can_send_mock.assert_has_calls(can_send_calls)
prepare_mock.assert_called_once_with(server=instance['host'],
version='4.0')
call_mock.assert_called_once_with(ctxt, 'reserve_block_device_name',
instance=instance,
device='fake_device',
volume_id='fake_volume_id',
disk_bus=None, device_type=None)
def test_reserve_block_device_name_raises_no_multiattach(self):
"""Tests that if multiattach=True but the compute service is too
old for the multiattach argument, an error is raised from the RPC
client.
"""
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = self.fake_instance_obj
rpcapi = compute_rpcapi.ComputeAPI()
cctxt_mock = mock.Mock()
mock_client = mock.Mock()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
with test.nested(
mock.patch.object(mock_client, 'can_send_version',
return_value=False),
mock.patch.object(mock_client, 'prepare',
return_value=cctxt_mock)
) as (
can_send_mock, prepare_mock
):
self.assertRaises(exception.MultiattachSupportNotYetAvailable,
rpcapi.reserve_block_device_name, ctxt, instance,
'fake_device', 'fake_volume_id',
multiattach=True)
can_send_mock.assert_called_once_with('4.20')
def test_reserve_block_device_name_downgrades_version_multiattach(self):
"""Tests that if multiattach=False and the compute service is too
old for the multiattach argument, it's removed from the RPC call.
"""
ctxt = context.RequestContext('fake_user', 'fake_project')
instance = self.fake_instance_obj
rpcapi = compute_rpcapi.ComputeAPI()
call_mock = mock.Mock()
cctxt_mock = mock.Mock(call=call_mock)
mock_client = mock.Mock()
rpcapi.router.client = mock.Mock()
rpcapi.router.client.return_value = mock_client
with test.nested(
mock.patch.object(mock_client, 'can_send_version',
side_effect=[False, True]),
mock.patch.object(mock_client, 'prepare',
return_value=cctxt_mock)
) as (
can_send_mock, prepare_mock
):
rpcapi.reserve_block_device_name(
ctxt, instance, 'fake_device', 'fake_volume_id', tag='foo')
can_send_calls = [mock.call('4.20'), mock.call('4.15')]
can_send_mock.assert_has_calls(can_send_calls)
prepare_mock.assert_called_once_with(server=instance['host'],
version='4.15')
call_mock.assert_called_once_with(
ctxt, 'reserve_block_device_name', instance=instance,
device='fake_device', volume_id='fake_volume_id', disk_bus=None,
device_type=None, tag='foo')
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='4.4')
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='4.0')
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='4.0')
def test_rescue_instance(self):
self._test_compute_api('rescue_instance', 'cast',
instance=self.fake_instance_obj, rescue_password='pw',
rescue_image_ref='fake_image_ref',
clean_shutdown=True, version='4.0')
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,
reservations=list('fake_res'),
clean_shutdown=True, version='4.1')
self.flags(compute='4.0', group='upgrade_levels')
expected_args = {'instance_type': self.fake_flavor}
self._test_compute_api('resize_instance', 'cast', expected_args,
instance=self.fake_instance_obj, migration={'id': 'fake_id'},
image='image', instance_type=self.fake_flavor_obj,
reservations=list('fake_res'),
clean_shutdown=True, version='4.0')
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', reservations=list('fake_res'))
def test_set_admin_password(self):
self._test_compute_api('set_admin_password', 'call',
instance=self.fake_instance_obj, new_pass='pw',
version='4.0')
def test_set_host_enabled(self):
self._test_compute_api('set_host_enabled', 'call',
enabled='enabled', host='host')
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='4.0')
def test_stop_instance_call(self):
self._test_compute_api('stop_instance', 'call',
instance=self.fake_instance_obj,
clean_shutdown=True, version='4.0')
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=[],
reservations=['uuid1', 'uuid2'], version='4.0')
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='4.0')
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='4.0')
def test_shelve_offload_instance(self):
self._test_compute_api('shelve_offload_instance', 'cast',
instance=self.fake_instance_obj,
clean_shutdown=True, version='4.0')
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',
version='4.0')
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='4.0')
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='4.0')
def test_external_instance_event(self):
self._test_compute_api('external_instance_event', 'cast',
instances=[self.fake_instance_obj],
events=['event'],
version='4.0')
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='passwd', injected_files=None,
requested_networks=['network1'], security_groups=None,
block_device_mapping=None, node='node', limits=[],
host_list=None, version='4.19')
def test_build_and_run_instance_4_18(self):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = compute_rpcapi.ComputeAPI()
mock_client = mock.Mock()
rpcapi.router.client = mock.Mock(return_value=mock_client)
mock_client.can_send_version = mock.Mock(return_value=False)
prepare_mock = mock.Mock()
prepare_mock.cast = mock.Mock()
mock_client.prepare.return_value = prepare_mock
fake_limit = {"memory_mb": 1024, "disk_gb": 100, "vcpus": 2,
"numa_topology": None}
fake_limit_obj = objects.SchedulerLimits.from_dict(fake_limit)
args = (self.fake_instance_obj, "host", "image", "request_spec",
"filter_properties")
kwargs = {
"admin_password": 'passwd',
"injected_files": None,
"requested_networks": ['network1'],
"security_groups": None,
"block_device_mapping": None,
"node": 'node',
"limits": fake_limit_obj,
"host_list": ["host"],
}
expected_kwargs = copy.deepcopy(kwargs)
# Since we're failing the 'can_send_version' check, the host_list
# should be removed, and the limits objects should be converted to the
# older dict format.
expected_kwargs.pop("host_list")
expected_kwargs["limits"] = fake_limit_obj.to_dict()
# Add in the args, which will be added to the kwargs dict in the RPC
# call
expected_kwargs["instance"] = self.fake_instance_obj
expected_kwargs["image"] = "image"
expected_kwargs["request_spec"] = "request_spec"
expected_kwargs["filter_properties"] = "filter_properties"
rpcapi.build_and_run_instance(ctxt, *args, **kwargs)
prepare_mock.cast.assert_called_once_with(ctxt,
"build_and_run_instance", **expected_kwargs)
def test_quiesce_instance(self):
self._test_compute_api('quiesce_instance', 'call',
instance=self.fake_instance_obj, version='4.0')
def test_unquiesce_instance(self):
self._test_compute_api('unquiesce_instance', 'cast',
instance=self.fake_instance_obj, mapping=None, version='4.0')
def test_trigger_crash_dump(self):
self._test_compute_api('trigger_crash_dump', 'cast',
instance=self.fake_instance_obj, version='4.6')
def test_trigger_crash_dump_incompatible(self):
self.flags(compute='4.0', group='upgrade_levels')
self.assertRaises(exception.TriggerCrashDumpNotSupported,
self._test_compute_api,
'trigger_crash_dump', 'cast',
instance=self.fake_instance_obj, version='4.6')
def _test_simple_call(self, method, inargs, callargs, callret,
calltype='call', can_send=False):
rpc = compute_rpcapi.ComputeAPI()
mock_client = mock.Mock()
rpc.router.client = mock.Mock()
rpc.router.client.return_value = mock_client
@mock.patch.object(compute_rpcapi, '_compute_host')
def _test(mock_ch):
mock_client.can_send_version.return_value = can_send
call = getattr(mock_client.prepare.return_value, calltype)
call.return_value = callret
ctxt = context.RequestContext()
result = getattr(rpc, method)(ctxt, **inargs)
call.assert_called_once_with(ctxt, method, **callargs)
rpc.router.client.assert_called_once_with(ctxt)
return result
return _test()
def test_check_can_live_migrate_source_converts_objects(self):
obj = migrate_data_obj.LiveMigrateData()
inst = self.fake_instance_obj
result = self._test_simple_call('check_can_live_migrate_source',
inargs={'instance': inst,
'dest_check_data': obj},
callargs={'instance': inst,
'dest_check_data': {}},
callret=obj)
self.assertEqual(obj, result)
result = self._test_simple_call('check_can_live_migrate_source',
inargs={'instance': inst,
'dest_check_data': obj},
callargs={'instance': inst,
'dest_check_data': {}},
callret={'foo': 'bar'})
self.assertIsInstance(result, migrate_data_obj.LiveMigrateData)
@mock.patch('nova.objects.migrate_data.LiveMigrateData.'
'detect_implementation')
def test_check_can_live_migrate_destination_converts_dict(self,
mock_det):
inst = self.fake_instance_obj
result = self._test_simple_call('check_can_live_migrate_destination',
inargs={'instance': inst,
'destination': 'bar',
'block_migration': False,
'disk_over_commit': False},
callargs={'instance': inst,
'block_migration': False,
'disk_over_commit': False},
callret={'foo': 'bar'})
self.assertEqual(mock_det.return_value, result)
def test_live_migration_converts_objects(self):
obj = migrate_data_obj.LiveMigrateData()
inst = self.fake_instance_obj
self._test_simple_call('live_migration',
inargs={'instance': inst,
'dest': 'foo',
'block_migration': False,
'host': 'foo',
'migration': None,
'migrate_data': obj},
callargs={'instance': inst,
'dest': 'foo',
'block_migration': False,
'migrate_data': {
'pre_live_migration_result': {}}},
callret=None,
calltype='cast')
@mock.patch('nova.objects.migrate_data.LiveMigrateData.from_legacy_dict')
def test_pre_live_migration_converts_objects(self, mock_fld):
obj = migrate_data_obj.LiveMigrateData()
inst = self.fake_instance_obj
result = self._test_simple_call('pre_live_migration',
inargs={'instance': inst,
'block_migration': False,
'disk': None,
'host': 'foo',
'migrate_data': obj},
callargs={'instance': inst,
'block_migration': False,
'disk': None,
'migrate_data': {}},
callret=obj)
self.assertFalse(mock_fld.called)
self.assertEqual(obj, result)
result = self._test_simple_call('pre_live_migration',
inargs={'instance': inst,
'block_migration': False,
'disk': None,
'host': 'foo',
'migrate_data': obj},
callargs={'instance': inst,
'block_migration': False,
'disk': None,
'migrate_data': {}},
callret={'foo': 'bar'})
mock_fld.assert_called_once_with(
{'pre_live_migration_result': {'foo': 'bar'}})
self.assertIsInstance(result, migrate_data_obj.LiveMigrateData)
def test_rollback_live_migration_at_destination_converts_objects(self):
obj = migrate_data_obj.LiveMigrateData()
inst = self.fake_instance_obj
method = 'rollback_live_migration_at_destination'
self._test_simple_call(method,
inargs={'instance': inst,
'host': 'foo',
'destroy_disks': False,
'migrate_data': obj},
callargs={'instance': inst,
'destroy_disks': False,
'migrate_data': {}},
callret=None,
calltype='cast')
def test_check_can_live_migrate_destination_old_compute(self):
self.flags(compute='4.10', group='upgrade_levels')
self.assertRaises(exception.LiveMigrationWithOldNovaNotSupported,
self._test_compute_api,
'check_can_live_migrate_destination', 'call',
instance=self.fake_instance_obj,
block_migration=None,
destination='dest',
disk_over_commit=None, version='4.11')