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test_conductor.py
2409 lines (2137 loc) · 114 KB
/
test_conductor.py
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# Copyright 2012 IBM Corp.
# Copyright 2013 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.
"""Tests for the conductor service."""
import copy
import mock
from mox3 import mox
import oslo_messaging as messaging
from oslo_utils import timeutils
from oslo_versionedobjects import exception as ovo_exc
import six
from nova import block_device
from nova.compute import flavors
from nova.compute import rpcapi as compute_rpcapi
from nova.compute import task_states
from nova.compute import vm_states
from nova.conductor import api as conductor_api
from nova.conductor import manager as conductor_manager
from nova.conductor import rpcapi as conductor_rpcapi
from nova.conductor.tasks import live_migrate
from nova.conductor.tasks import migrate
from nova import conf
from nova import context
from nova import db
from nova import exception as exc
from nova.image import api as image_api
from nova import objects
from nova.objects import base as obj_base
from nova.objects import fields
from nova import rpc
from nova.scheduler import client as scheduler_client
from nova.scheduler import utils as scheduler_utils
from nova import test
from nova.tests import fixtures
from nova.tests.unit.api.openstack import fakes
from nova.tests.unit import cast_as_call
from nova.tests.unit.compute import test_compute
from nova.tests.unit import fake_build_request
from nova.tests.unit import fake_instance
from nova.tests.unit import fake_notifier
from nova.tests.unit import fake_request_spec
from nova.tests.unit import fake_server_actions
from nova.tests.unit import utils as test_utils
from nova.tests import uuidsentinel as uuids
from nova import utils
CONF = conf.CONF
class FakeContext(context.RequestContext):
def elevated(self):
"""Return a consistent elevated context so we can detect it."""
if not hasattr(self, '_elevated'):
self._elevated = super(FakeContext, self).elevated()
return self._elevated
class _BaseTestCase(object):
def setUp(self):
super(_BaseTestCase, self).setUp()
self.user_id = fakes.FAKE_USER_ID
self.project_id = fakes.FAKE_PROJECT_ID
self.context = FakeContext(self.user_id, self.project_id)
fake_notifier.stub_notifier(self)
self.addCleanup(fake_notifier.reset)
def fake_deserialize_context(serializer, ctxt_dict):
self.assertEqual(self.context.user_id, ctxt_dict['user_id'])
self.assertEqual(self.context.project_id, ctxt_dict['project_id'])
return self.context
self.stubs.Set(rpc.RequestContextSerializer, 'deserialize_context',
fake_deserialize_context)
self.useFixture(fixtures.SpawnIsSynchronousFixture())
class ConductorTestCase(_BaseTestCase, test.TestCase):
"""Conductor Manager Tests."""
def setUp(self):
super(ConductorTestCase, self).setUp()
self.conductor = conductor_manager.ConductorManager()
self.conductor_manager = self.conductor
def _test_object_action(self, is_classmethod, raise_exception):
class TestObject(obj_base.NovaObject):
def foo(self, raise_exception=False):
if raise_exception:
raise Exception('test')
else:
return 'test'
@classmethod
def bar(cls, context, raise_exception=False):
if raise_exception:
raise Exception('test')
else:
return 'test'
obj_base.NovaObjectRegistry.register(TestObject)
obj = TestObject()
# NOTE(danms): After a trip over RPC, any tuple will be a list,
# so use a list here to make sure we can handle it
fake_args = []
if is_classmethod:
versions = {'TestObject': '1.0'}
result = self.conductor.object_class_action_versions(
self.context, TestObject.obj_name(), 'bar', versions,
fake_args, {'raise_exception': raise_exception})
else:
updates, result = self.conductor.object_action(
self.context, obj, 'foo', fake_args,
{'raise_exception': raise_exception})
self.assertEqual('test', result)
def test_object_action(self):
self._test_object_action(False, False)
def test_object_action_on_raise(self):
self.assertRaises(messaging.ExpectedException,
self._test_object_action, False, True)
def test_object_class_action(self):
self._test_object_action(True, False)
def test_object_class_action_on_raise(self):
self.assertRaises(messaging.ExpectedException,
self._test_object_action, True, True)
def test_object_action_copies_object(self):
class TestObject(obj_base.NovaObject):
fields = {'dict': fields.DictOfStringsField()}
def touch_dict(self):
self.dict['foo'] = 'bar'
self.obj_reset_changes()
obj_base.NovaObjectRegistry.register(TestObject)
obj = TestObject()
obj.dict = {}
obj.obj_reset_changes()
updates, result = self.conductor.object_action(
self.context, obj, 'touch_dict', tuple(), {})
# NOTE(danms): If conductor did not properly copy the object, then
# the new and reference copies of the nested dict object will be
# the same, and thus 'dict' will not be reported as changed
self.assertIn('dict', updates)
self.assertEqual({'foo': 'bar'}, updates['dict'])
def test_object_class_action_versions(self):
@obj_base.NovaObjectRegistry.register
class TestObject(obj_base.NovaObject):
VERSION = '1.10'
@classmethod
def foo(cls, context):
return cls()
versions = {
'TestObject': '1.2',
'OtherObj': '1.0',
}
with mock.patch.object(self.conductor_manager,
'_object_dispatch') as m:
m.return_value = TestObject()
m.return_value.obj_to_primitive = mock.MagicMock()
self.conductor.object_class_action_versions(
self.context, TestObject.obj_name(), 'foo', versions,
tuple(), {})
m.return_value.obj_to_primitive.assert_called_once_with(
target_version='1.2', version_manifest=versions)
def test_object_class_action_versions_old_object(self):
# Make sure we return older than requested objects unmodified,
# see bug #1596119.
@obj_base.NovaObjectRegistry.register
class TestObject(obj_base.NovaObject):
VERSION = '1.10'
@classmethod
def foo(cls, context):
return cls()
versions = {
'TestObject': '1.10',
'OtherObj': '1.0',
}
with mock.patch.object(self.conductor_manager,
'_object_dispatch') as m:
m.return_value = TestObject()
m.return_value.VERSION = '1.9'
m.return_value.obj_to_primitive = mock.MagicMock()
obj = self.conductor.object_class_action_versions(
self.context, TestObject.obj_name(), 'foo', versions,
tuple(), {})
self.assertFalse(m.return_value.obj_to_primitive.called)
self.assertEqual('1.9', obj.VERSION)
def test_object_class_action_versions_major_version_diff(self):
@obj_base.NovaObjectRegistry.register
class TestObject(obj_base.NovaObject):
VERSION = '2.10'
@classmethod
def foo(cls, context):
return cls()
versions = {
'TestObject': '2.10',
'OtherObj': '1.0',
}
with mock.patch.object(self.conductor_manager,
'_object_dispatch') as m:
m.return_value = TestObject()
m.return_value.VERSION = '1.9'
self.assertRaises(
ovo_exc.InvalidTargetVersion,
self.conductor.object_class_action_versions,
self.context, TestObject.obj_name(), 'foo', versions,
tuple(), {})
def test_reset(self):
with mock.patch.object(objects.Service, 'clear_min_version_cache'
) as mock_clear_cache:
self.conductor.reset()
mock_clear_cache.assert_called_once_with()
def test_provider_fw_rule_get_all(self):
result = self.conductor.provider_fw_rule_get_all(self.context)
self.assertEqual([], result)
class ConductorRPCAPITestCase(_BaseTestCase, test.TestCase):
"""Conductor RPC API Tests."""
def setUp(self):
super(ConductorRPCAPITestCase, self).setUp()
self.conductor_service = self.start_service(
'conductor', manager='nova.conductor.manager.ConductorManager')
self.conductor_manager = self.conductor_service.manager
self.conductor = conductor_rpcapi.ConductorAPI()
class ConductorAPITestCase(_BaseTestCase, test.TestCase):
"""Conductor API Tests."""
def setUp(self):
super(ConductorAPITestCase, self).setUp()
self.conductor_service = self.start_service(
'conductor', manager='nova.conductor.manager.ConductorManager')
self.conductor = conductor_api.API()
self.conductor_manager = self.conductor_service.manager
def test_wait_until_ready(self):
timeouts = []
calls = dict(count=0)
def fake_ping(context, message, timeout):
timeouts.append(timeout)
calls['count'] += 1
if calls['count'] < 15:
raise messaging.MessagingTimeout("fake")
self.stubs.Set(self.conductor.base_rpcapi, 'ping', fake_ping)
self.conductor.wait_until_ready(self.context)
self.assertEqual(timeouts.count(10), 10)
self.assertIn(None, timeouts)
class _BaseTaskTestCase(object):
def setUp(self):
super(_BaseTaskTestCase, self).setUp()
self.user_id = fakes.FAKE_USER_ID
self.project_id = fakes.FAKE_PROJECT_ID
self.context = FakeContext(self.user_id, self.project_id)
fake_server_actions.stub_out_action_events(self)
def fake_deserialize_context(serializer, ctxt_dict):
self.assertEqual(self.context.user_id, ctxt_dict['user_id'])
self.assertEqual(self.context.project_id, ctxt_dict['project_id'])
return self.context
self.stubs.Set(rpc.RequestContextSerializer, 'deserialize_context',
fake_deserialize_context)
self.useFixture(fixtures.SpawnIsSynchronousFixture())
def _prepare_rebuild_args(self, update_args=None):
# Args that don't get passed in to the method but do get passed to RPC
migration = update_args and update_args.pop('migration', None)
node = update_args and update_args.pop('node', None)
limits = update_args and update_args.pop('limits', None)
rebuild_args = {'new_pass': 'admin_password',
'injected_files': 'files_to_inject',
'image_ref': 'image_ref',
'orig_image_ref': 'orig_image_ref',
'orig_sys_metadata': 'orig_sys_meta',
'bdms': {},
'recreate': False,
'on_shared_storage': False,
'preserve_ephemeral': False,
'host': 'compute-host',
'request_spec': None}
if update_args:
rebuild_args.update(update_args)
compute_rebuild_args = copy.deepcopy(rebuild_args)
compute_rebuild_args['migration'] = migration
compute_rebuild_args['node'] = node
compute_rebuild_args['limits'] = limits
# Args that are passed in to the method but don't get passed to RPC
compute_rebuild_args.pop('request_spec')
return rebuild_args, compute_rebuild_args
@mock.patch.object(objects.InstanceMapping, 'get_by_instance_uuid')
@mock.patch.object(objects.RequestSpec, 'save')
@mock.patch.object(migrate.MigrationTask, 'execute')
@mock.patch.object(utils, 'get_image_from_system_metadata')
@mock.patch.object(objects.RequestSpec, 'from_components')
def _test_cold_migrate(self, spec_from_components, get_image_from_metadata,
migration_task_execute, spec_save, get_im,
clean_shutdown=True):
get_im.return_value.cell_mapping = (
objects.CellMappingList.get_all(self.context)[0])
get_image_from_metadata.return_value = 'image'
inst = fake_instance.fake_db_instance(image_ref='image_ref')
inst_obj = objects.Instance._from_db_object(
self.context, objects.Instance(), inst, [])
inst_obj.system_metadata = {'image_hw_disk_bus': 'scsi'}
flavor = flavors.get_default_flavor()
flavor.extra_specs = {'extra_specs': 'fake'}
inst_obj.flavor = flavor
fake_spec = fake_request_spec.fake_spec_obj()
spec_from_components.return_value = fake_spec
scheduler_hint = {'filter_properties': {}}
if isinstance(self.conductor, conductor_api.ComputeTaskAPI):
# The API method is actually 'resize_instance'. It gets
# converted into 'migrate_server' when doing RPC.
self.conductor.resize_instance(
self.context, inst_obj, {}, scheduler_hint, flavor, [],
clean_shutdown)
else:
self.conductor.migrate_server(
self.context, inst_obj, scheduler_hint,
False, False, flavor, None, None, [],
clean_shutdown)
get_image_from_metadata.assert_called_once_with(
inst_obj.system_metadata)
migration_task_execute.assert_called_once_with()
spec_save.assert_called_once_with()
def test_cold_migrate(self):
self._test_cold_migrate()
def test_cold_migrate_forced_shutdown(self):
self._test_cold_migrate(clean_shutdown=False)
@mock.patch('nova.objects.BuildRequest.get_by_instance_uuid')
@mock.patch('nova.availability_zones.get_host_availability_zone')
@mock.patch('nova.objects.Instance.save')
def test_build_instances(self, mock_save, mock_getaz, mock_buildreq):
instance_type = flavors.get_default_flavor()
# NOTE(danms): Avoid datetime timezone issues with converted flavors
instance_type.created_at = None
instances = [objects.Instance(context=self.context,
id=i,
uuid=uuids.fake,
flavor=instance_type) for i in range(2)]
instance_type_p = obj_base.obj_to_primitive(instance_type)
instance_properties = obj_base.obj_to_primitive(instances[0])
instance_properties['system_metadata'] = flavors.save_flavor_info(
{}, instance_type)
self.mox.StubOutWithMock(self.conductor_manager, '_schedule_instances')
self.mox.StubOutWithMock(db,
'block_device_mapping_get_all_by_instance')
self.mox.StubOutWithMock(self.conductor_manager.compute_rpcapi,
'build_and_run_instance')
spec = {'image': {'fake_data': 'should_pass_silently'},
'instance_properties': instance_properties,
'instance_type': instance_type_p,
'num_instances': 2}
filter_properties = {'retry': {'num_attempts': 1, 'hosts': []}}
self.conductor_manager._schedule_instances(self.context,
spec, filter_properties, [uuids.fake, uuids.fake]).AndReturn(
[{'host': 'host1', 'nodename': 'node1', 'limits': []},
{'host': 'host2', 'nodename': 'node2', 'limits': []}])
db.block_device_mapping_get_all_by_instance(self.context,
instances[0].uuid).AndReturn([])
self.conductor_manager.compute_rpcapi.build_and_run_instance(
self.context,
instance=mox.IgnoreArg(),
host='host1',
image={'fake_data': 'should_pass_silently'},
request_spec={
'image': {'fake_data': 'should_pass_silently'},
'instance_properties': instance_properties,
'instance_type': instance_type_p,
'num_instances': 2},
filter_properties={'retry': {'num_attempts': 1,
'hosts': [['host1', 'node1']]},
'limits': []},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping=mox.IgnoreArg(),
node='node1', limits=[])
db.block_device_mapping_get_all_by_instance(self.context,
instances[1].uuid).AndReturn([])
self.conductor_manager.compute_rpcapi.build_and_run_instance(
self.context,
instance=mox.IgnoreArg(),
host='host2',
image={'fake_data': 'should_pass_silently'},
request_spec={
'image': {'fake_data': 'should_pass_silently'},
'instance_properties': instance_properties,
'instance_type': instance_type_p,
'num_instances': 2},
filter_properties={'limits': [],
'retry': {'num_attempts': 1,
'hosts': [['host2', 'node2']]}},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping=mox.IgnoreArg(),
node='node2', limits=[])
self.mox.ReplayAll()
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
mock_getaz.return_value = 'myaz'
self.conductor.build_instances(self.context,
instances=instances,
image={'fake_data': 'should_pass_silently'},
filter_properties={},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
mock_getaz.assert_has_calls([
mock.call(self.context, 'host1'),
mock.call(self.context, 'host2')])
@mock.patch.object(scheduler_utils, 'build_request_spec')
@mock.patch.object(scheduler_utils, 'setup_instance_group')
@mock.patch.object(scheduler_utils, 'set_vm_state_and_notify')
@mock.patch.object(scheduler_client.SchedulerClient,
'select_destinations')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_cleanup_allocated_networks')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_destroy_build_request')
def test_build_instances_scheduler_failure(
self, dest_build_req_mock, cleanup_mock, sd_mock, state_mock,
sig_mock, bs_mock):
instances = [fake_instance.fake_instance_obj(self.context)
for i in range(2)]
image = {'fake-data': 'should_pass_silently'}
spec = {'fake': 'specs',
'instance_properties': instances[0]}
exception = exc.NoValidHost(reason='fake-reason')
dest_build_req_mock.side_effect = (
exc.BuildRequestNotFound(uuid='fake'),
None)
bs_mock.return_value = spec
sd_mock.side_effect = exception
updates = {'vm_state': vm_states.ERROR, 'task_state': None}
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
self.conductor.build_instances(
self.context,
instances=instances,
image=image,
filter_properties={},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
set_state_calls = []
cleanup_network_calls = []
dest_build_req_calls = []
for instance in instances:
set_state_calls.append(mock.call(
self.context, instance.uuid, 'compute_task', 'build_instances',
updates, exception, spec))
cleanup_network_calls.append(mock.call(
self.context, mock.ANY, None))
dest_build_req_calls.append(
mock.call(self.context, test.MatchType(type(instance))))
state_mock.assert_has_calls(set_state_calls)
cleanup_mock.assert_has_calls(cleanup_network_calls)
dest_build_req_mock.assert_has_calls(dest_build_req_calls)
def test_build_instances_retry_exceeded(self):
instances = [fake_instance.fake_instance_obj(self.context)]
image = {'fake-data': 'should_pass_silently'}
filter_properties = {'retry': {'num_attempts': 10, 'hosts': []}}
updates = {'vm_state': vm_states.ERROR, 'task_state': None}
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_cleanup_allocated_networks')
@mock.patch.object(scheduler_utils, 'set_vm_state_and_notify')
@mock.patch.object(scheduler_utils, 'build_request_spec')
@mock.patch.object(scheduler_utils, 'populate_retry')
def _test(populate_retry, build_spec,
set_vm_state_and_notify, cleanup_mock):
# build_instances() is a cast, we need to wait for it to
# complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
populate_retry.side_effect = exc.MaxRetriesExceeded(
reason="Too many try")
self.conductor.build_instances(
self.context,
instances=instances,
image=image,
filter_properties=filter_properties,
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
populate_retry.assert_called_once_with(
filter_properties, instances[0].uuid)
set_vm_state_and_notify.assert_called_once_with(
self.context, instances[0].uuid, 'compute_task',
'build_instances', updates, mock.ANY, build_spec.return_value)
cleanup_mock.assert_called_once_with(self.context, mock.ANY, None)
_test()
@mock.patch.object(scheduler_utils, 'build_request_spec')
@mock.patch.object(scheduler_utils, 'setup_instance_group')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_set_vm_state_and_notify')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_cleanup_allocated_networks')
def test_build_instances_scheduler_group_failure(
self, cleanup_mock, state_mock, sig_mock, bs_mock):
instances = [fake_instance.fake_instance_obj(self.context)
for i in range(2)]
image = {'fake-data': 'should_pass_silently'}
spec = {'fake': 'specs',
'instance_properties': instances[0]}
bs_mock.return_value = spec
exception = exc.UnsupportedPolicyException(reason='fake-reason')
sig_mock.side_effect = exception
updates = {'vm_state': vm_states.ERROR, 'task_state': None}
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
self.conductor.build_instances(
context=self.context,
instances=instances,
image=image,
filter_properties={},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
set_state_calls = []
cleanup_network_calls = []
for instance in instances:
set_state_calls.append(mock.call(
self.context, instance.uuid, 'build_instances', updates,
exception, spec))
cleanup_network_calls.append(mock.call(
self.context, mock.ANY, None))
state_mock.assert_has_calls(set_state_calls)
cleanup_mock.assert_has_calls(cleanup_network_calls)
@mock.patch.object(objects.BuildRequest, 'get_by_instance_uuid')
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(objects.InstanceMapping, 'get_by_instance_uuid',
side_effect=exc.InstanceMappingNotFound(uuid='fake'))
@mock.patch.object(objects.HostMapping, 'get_by_host')
@mock.patch.object(scheduler_client.SchedulerClient,
'select_destinations')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_set_vm_state_and_notify')
def test_build_instances_no_instance_mapping(self, _mock_set_state,
mock_select_dests, mock_get_by_host, mock_get_inst_map_by_uuid,
_mock_save, _mock_buildreq):
mock_select_dests.return_value = [
{'host': 'host1', 'nodename': 'node1', 'limits': []},
{'host': 'host2', 'nodename': 'node2', 'limits': []}]
instances = [fake_instance.fake_instance_obj(self.context)
for i in range(2)]
image = {'fake-data': 'should_pass_silently'}
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
with mock.patch.object(self.conductor_manager.compute_rpcapi,
'build_and_run_instance'):
self.conductor.build_instances(
context=self.context,
instances=instances,
image=image,
filter_properties={},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
mock_get_inst_map_by_uuid.assert_has_calls([
mock.call(self.context, instances[0].uuid),
mock.call(self.context, instances[1].uuid)])
self.assertFalse(mock_get_by_host.called)
@mock.patch.object(objects.BuildRequest, 'get_by_instance_uuid')
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(objects.InstanceMapping, 'get_by_instance_uuid')
@mock.patch.object(objects.HostMapping, 'get_by_host',
side_effect=exc.HostMappingNotFound(name='fake'))
@mock.patch.object(scheduler_client.SchedulerClient,
'select_destinations')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_set_vm_state_and_notify')
def test_build_instances_no_host_mapping(self, _mock_set_state,
mock_select_dests, mock_get_by_host, mock_get_inst_map_by_uuid,
_mock_save, mock_buildreq):
mock_select_dests.return_value = [
{'host': 'host1', 'nodename': 'node1', 'limits': []},
{'host': 'host2', 'nodename': 'node2', 'limits': []}]
num_instances = 2
instances = [fake_instance.fake_instance_obj(self.context)
for i in range(num_instances)]
inst_mapping_mocks = [mock.Mock() for i in range(num_instances)]
mock_get_inst_map_by_uuid.side_effect = inst_mapping_mocks
image = {'fake-data': 'should_pass_silently'}
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
with mock.patch.object(self.conductor_manager.compute_rpcapi,
'build_and_run_instance'):
self.conductor.build_instances(
context=self.context,
instances=instances,
image=image,
filter_properties={},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
for instance in instances:
mock_get_inst_map_by_uuid.assert_any_call(self.context,
instance.uuid)
for inst_mapping in inst_mapping_mocks:
inst_mapping.destroy.assert_called_once_with()
mock_get_by_host.assert_has_calls([mock.call(self.context, 'host1'),
mock.call(self.context, 'host2')])
@mock.patch.object(objects.BuildRequest, 'get_by_instance_uuid')
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(objects.InstanceMapping, 'get_by_instance_uuid')
@mock.patch.object(objects.HostMapping, 'get_by_host')
@mock.patch.object(scheduler_client.SchedulerClient,
'select_destinations')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_set_vm_state_and_notify')
def test_build_instances_update_instance_mapping(self, _mock_set_state,
mock_select_dests, mock_get_by_host, mock_get_inst_map_by_uuid,
_mock_save, _mock_buildreq):
mock_select_dests.return_value = [
{'host': 'host1', 'nodename': 'node1', 'limits': []},
{'host': 'host2', 'nodename': 'node2', 'limits': []}]
mock_get_by_host.side_effect = [
objects.HostMapping(cell_mapping=objects.CellMapping(id=1)),
objects.HostMapping(cell_mapping=objects.CellMapping(id=2))]
num_instances = 2
instances = [fake_instance.fake_instance_obj(self.context)
for i in range(num_instances)]
inst_mapping_mocks = [mock.Mock() for i in range(num_instances)]
mock_get_inst_map_by_uuid.side_effect = inst_mapping_mocks
image = {'fake-data': 'should_pass_silently'}
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
with mock.patch.object(self.conductor_manager.compute_rpcapi,
'build_and_run_instance'):
self.conductor.build_instances(
context=self.context,
instances=instances,
image=image,
filter_properties={},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
for instance in instances:
mock_get_inst_map_by_uuid.assert_any_call(self.context,
instance.uuid)
for inst_mapping in inst_mapping_mocks:
inst_mapping.save.assert_called_once_with()
self.assertEqual(1, inst_mapping_mocks[0].cell_mapping.id)
self.assertEqual(2, inst_mapping_mocks[1].cell_mapping.id)
mock_get_by_host.assert_has_calls([mock.call(self.context, 'host1'),
mock.call(self.context, 'host2')])
@mock.patch.object(objects.Instance, 'save', new=mock.MagicMock())
@mock.patch.object(objects.BuildRequest, 'get_by_instance_uuid')
@mock.patch.object(scheduler_client.SchedulerClient,
'select_destinations')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_set_vm_state_and_notify', new=mock.MagicMock())
def test_build_instances_destroy_build_request(self, mock_select_dests,
mock_build_req_get):
mock_select_dests.return_value = [
{'host': 'host1', 'nodename': 'node1', 'limits': []},
{'host': 'host2', 'nodename': 'node2', 'limits': []}]
num_instances = 2
instances = [fake_instance.fake_instance_obj(self.context)
for i in range(num_instances)]
build_req_mocks = [mock.Mock() for i in range(num_instances)]
mock_build_req_get.side_effect = build_req_mocks
image = {'fake-data': 'should_pass_silently'}
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
@mock.patch.object(self.conductor_manager.compute_rpcapi,
'build_and_run_instance', new=mock.MagicMock())
@mock.patch.object(self.conductor_manager,
'_populate_instance_mapping', new=mock.MagicMock())
def do_test():
self.conductor.build_instances(
context=self.context,
instances=instances,
image=image,
filter_properties={},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
do_test()
for build_req in build_req_mocks:
build_req.destroy.assert_called_once_with()
@mock.patch.object(objects.Instance, 'save', new=mock.MagicMock())
@mock.patch.object(scheduler_client.SchedulerClient,
'select_destinations')
@mock.patch.object(conductor_manager.ComputeTaskManager,
'_set_vm_state_and_notify', new=mock.MagicMock())
def test_build_instances_reschedule_ignores_build_request(self,
mock_select_dests):
# This test calls build_instances as if it was a reschedule. This means
# that the exc.BuildRequestNotFound() exception raised by
# conductor_manager._destroy_build_request() should not cause the
# build to stop.
mock_select_dests.return_value = [
{'host': 'host1', 'nodename': 'node1', 'limits': []}]
instance = fake_instance.fake_instance_obj(self.context)
image = {'fake-data': 'should_pass_silently'}
# build_instances() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
@mock.patch.object(self.conductor_manager.compute_rpcapi,
'build_and_run_instance')
@mock.patch.object(self.conductor_manager,
'_populate_instance_mapping')
@mock.patch.object(self.conductor_manager,
'_destroy_build_request',
side_effect=exc.BuildRequestNotFound(uuid='fake'))
def do_test(mock_destroy_build_req, mock_pop_inst_map,
mock_build_and_run):
self.conductor.build_instances(
context=self.context,
instances=[instance],
image=image,
filter_properties={'retry': {'num_attempts': 1, 'hosts': []}},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping='block_device_mapping',
legacy_bdm=False)
mock_build_and_run.assert_called_once_with(
self.context,
instance=mock.ANY,
host='host1',
image=image,
request_spec=mock.ANY,
filter_properties={'retry': {'num_attempts': 2,
'hosts': [['host1', 'node1']]},
'limits': []},
admin_password='admin_password',
injected_files='injected_files',
requested_networks=None,
security_groups='security_groups',
block_device_mapping=test.MatchType(
objects.BlockDeviceMappingList),
node='node1', limits=[])
mock_pop_inst_map.assert_not_called()
mock_destroy_build_req.assert_not_called()
do_test()
def test_unshelve_instance_on_host(self):
instance = self._create_fake_instance_obj()
instance.vm_state = vm_states.SHELVED
instance.task_state = task_states.UNSHELVING
instance.save()
system_metadata = instance.system_metadata
self.mox.StubOutWithMock(self.conductor_manager.compute_rpcapi,
'start_instance')
self.mox.StubOutWithMock(self.conductor_manager.compute_rpcapi,
'unshelve_instance')
self.conductor_manager.compute_rpcapi.start_instance(self.context,
instance)
self.mox.ReplayAll()
system_metadata['shelved_at'] = timeutils.utcnow()
system_metadata['shelved_image_id'] = 'fake_image_id'
system_metadata['shelved_host'] = 'fake-mini'
self.conductor_manager.unshelve_instance(self.context, instance)
def test_unshelve_offload_instance_on_host_with_request_spec(self):
instance = self._create_fake_instance_obj()
instance.vm_state = vm_states.SHELVED_OFFLOADED
instance.task_state = task_states.UNSHELVING
instance.save()
system_metadata = instance.system_metadata
system_metadata['shelved_at'] = timeutils.utcnow()
system_metadata['shelved_image_id'] = 'fake_image_id'
system_metadata['shelved_host'] = 'fake-mini'
fake_spec = fake_request_spec.fake_spec_obj()
# FIXME(sbauza): Modify the fake RequestSpec object to either add a
# non-empty SchedulerRetries object or nullify the field
fake_spec.retry = None
# FIXME(sbauza): Modify the fake RequestSpec object to either add a
# non-empty SchedulerLimits object or nullify the field
fake_spec.limits = None
# FIXME(sbauza): Modify the fake RequestSpec object to either add a
# non-empty InstanceGroup object or nullify the field
fake_spec.instance_group = None
filter_properties = fake_spec.to_legacy_filter_properties_dict()
request_spec = fake_spec.to_legacy_request_spec_dict()
host = {'host': 'host1', 'nodename': 'node1', 'limits': []}
# unshelve_instance() is a cast, we need to wait for it to complete
self.useFixture(cast_as_call.CastAsCall(self.stubs))
@mock.patch.object(self.conductor_manager.compute_rpcapi,
'unshelve_instance')
@mock.patch.object(scheduler_utils, 'populate_filter_properties')
@mock.patch.object(scheduler_utils, 'populate_retry')
@mock.patch.object(self.conductor_manager, '_schedule_instances')
@mock.patch.object(objects.RequestSpec, 'to_legacy_request_spec_dict')
@mock.patch.object(objects.RequestSpec,
'to_legacy_filter_properties_dict')
@mock.patch.object(objects.RequestSpec, 'reset_forced_destinations')
def do_test(reset_forced_destinations,
to_filtprops, to_reqspec, sched_instances,
populate_retry, populate_filter_properties,
unshelve_instance):
to_filtprops.return_value = filter_properties
to_reqspec.return_value = request_spec
sched_instances.return_value = [host]
self.conductor.unshelve_instance(self.context, instance, fake_spec)
reset_forced_destinations.assert_called_once_with()
sched_instances.assert_called_once_with(self.context, request_spec,
filter_properties, [instance.uuid])
# NOTE(sbauza): Since the instance is dehydrated when passing
# through the RPC API, we can only assert mock.ANY for it
unshelve_instance.assert_called_once_with(
self.context, mock.ANY, host['host'], image=mock.ANY,
filter_properties=filter_properties, node=host['nodename']
)
do_test()
def test_unshelve_offloaded_instance_glance_image_not_found(self):
shelved_image_id = "image_not_found"
instance = self._create_fake_instance_obj()
instance.vm_state = vm_states.SHELVED_OFFLOADED
instance.task_state = task_states.UNSHELVING
instance.save()
system_metadata = instance.system_metadata
self.mox.StubOutWithMock(self.conductor_manager.image_api, 'get')
e = exc.ImageNotFound(image_id=shelved_image_id)
self.conductor_manager.image_api.get(
self.context, shelved_image_id, show_deleted=False).AndRaise(e)
self.mox.ReplayAll()
system_metadata['shelved_at'] = timeutils.utcnow()
system_metadata['shelved_host'] = 'fake-mini'
system_metadata['shelved_image_id'] = shelved_image_id
self.assertRaises(
exc.UnshelveException,
self.conductor_manager.unshelve_instance,
self.context, instance)
self.assertEqual(instance.vm_state, vm_states.ERROR)
def test_unshelve_offloaded_instance_image_id_is_none(self):
instance = self._create_fake_instance_obj()
instance.vm_state = vm_states.SHELVED_OFFLOADED
instance.task_state = task_states.UNSHELVING
# 'shelved_image_id' is None for volumebacked instance
instance.system_metadata['shelved_image_id'] = None
with test.nested(
mock.patch.object(self.conductor_manager,
'_schedule_instances'),
mock.patch.object(self.conductor_manager.compute_rpcapi,
'unshelve_instance'),
) as (schedule_mock, unshelve_mock):
schedule_mock.return_value = [{'host': 'fake_host',
'nodename': 'fake_node',
'limits': {}}]
self.conductor_manager.unshelve_instance(self.context, instance)
self.assertEqual(1, unshelve_mock.call_count)
def test_unshelve_instance_schedule_and_rebuild(self):
instance = self._create_fake_instance_obj()
instance.vm_state = vm_states.SHELVED_OFFLOADED