nova/nova/tests/unit/compute/test_compute_cells.py

738 lines
32 KiB
Python

# Copyright (c) 2012 Rackspace Hosting
# All Rights Reserved.
#
# 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 Compute w/ Cells
"""
import copy
import functools
import inspect
import mock
from oslo_utils import timeutils
from nova import block_device
from nova.cells import manager
from nova.compute import api as compute_api
from nova.compute import cells_api as compute_cells_api
from nova.compute import flavors
from nova.compute import power_state
from nova.compute import utils as compute_utils
from nova.compute import vm_states
import nova.conf
from nova import context
from nova import db
from nova.db.sqlalchemy import api as db_api
from nova.db.sqlalchemy import api_models
from nova import exception
from nova import objects
from nova.objects import fields as obj_fields
from nova import quota
from nova import test
from nova.tests.unit.compute import test_compute
from nova.tests.unit.compute import test_shelve
from nova.tests.unit import fake_instance
from nova.tests.unit.objects import test_flavor
from nova.tests import uuidsentinel as uuids
ORIG_COMPUTE_API = None
CONF = nova.conf.CONF
FAKE_IMAGE_REF = uuids.image_ref
NODENAME = 'fakenode1'
NODENAME2 = 'fakenode2'
def stub_call_to_cells(context, instance, method, *args, **kwargs):
fn = getattr(ORIG_COMPUTE_API, method)
original_instance = kwargs.pop('original_instance', None)
if original_instance:
instance = original_instance
# Restore this in 'child cell DB'
db.instance_update(context, instance['uuid'],
dict(vm_state=instance['vm_state'],
task_state=instance['task_state']))
# Use NoopQuotaDriver in child cells.
saved_quotas = quota.QUOTAS
quota.QUOTAS = quota.QuotaEngine(
quota_driver_class=quota.NoopQuotaDriver())
compute_api.QUOTAS = quota.QUOTAS
try:
return fn(context, instance, *args, **kwargs)
finally:
quota.QUOTAS = saved_quotas
compute_api.QUOTAS = saved_quotas
def stub_cast_to_cells(context, instance, method, *args, **kwargs):
fn = getattr(ORIG_COMPUTE_API, method)
original_instance = kwargs.pop('original_instance', None)
if original_instance:
instance = original_instance
# Restore this in 'child cell DB'
db.instance_update(context, instance['uuid'],
dict(vm_state=instance['vm_state'],
task_state=instance['task_state']))
# Use NoopQuotaDriver in child cells.
saved_quotas = quota.QUOTAS
quota.QUOTAS = quota.QuotaEngine(
quota_driver_class=quota.NoopQuotaDriver())
compute_api.QUOTAS = quota.QUOTAS
try:
fn(context, instance, *args, **kwargs)
finally:
quota.QUOTAS = saved_quotas
compute_api.QUOTAS = saved_quotas
def deploy_stubs(stubs, api, original_instance=None):
call = stub_call_to_cells
cast = stub_cast_to_cells
if original_instance:
kwargs = dict(original_instance=original_instance)
call = functools.partial(stub_call_to_cells, **kwargs)
cast = functools.partial(stub_cast_to_cells, **kwargs)
stubs.Set(api, '_call_to_cells', call)
stubs.Set(api, '_cast_to_cells', cast)
class CellsComputeAPITestCase(test_compute.ComputeAPITestCase):
def setUp(self):
self.flags(use_neutron=False)
super(CellsComputeAPITestCase, self).setUp()
global ORIG_COMPUTE_API
ORIG_COMPUTE_API = self.compute_api
self.flags(enable=True, group='cells')
def _fake_validate_cell(*args, **kwargs):
return
self.compute_api = compute_cells_api.ComputeCellsAPI()
self.stubs.Set(self.compute_api, '_validate_cell',
_fake_validate_cell)
deploy_stubs(self.stubs, self.compute_api)
def tearDown(self):
global ORIG_COMPUTE_API
self.compute_api = ORIG_COMPUTE_API
super(CellsComputeAPITestCase, self).tearDown()
def test_instance_metadata(self):
self.skipTest("Test is incompatible with cells.")
def _test_evacuate(self, force=None):
@mock.patch.object(compute_api.API, 'evacuate')
def _test(mock_evacuate):
instance = objects.Instance(uuid=uuids.evacuate_instance,
cell_name='fake_cell_name')
dest_host = 'fake_cell_name@fakenode2'
self.compute_api.evacuate(self.context, instance, host=dest_host,
force=force)
mock_evacuate.assert_called_once_with(
self.context, instance, 'fakenode2', force=force)
_test()
def test_error_evacuate(self):
self.skipTest("Test is incompatible with cells.")
def test_create_instance_sets_system_metadata(self):
self.skipTest("Test is incompatible with cells.")
def test_create_saves_flavor(self):
self.skipTest("Test is incompatible with cells.")
def test_create_instance_associates_security_groups(self):
self.skipTest("Test is incompatible with cells.")
@mock.patch('nova.objects.quotas.Quotas.check_deltas')
def test_create_instance_over_quota_during_recheck(
self, check_deltas_mock):
self.stub_out('nova.tests.unit.image.fake._FakeImageService.show',
self.fake_show)
# Simulate a race where the first check passes and the recheck fails.
fake_quotas = {'instances': 5, 'cores': 10, 'ram': 4096}
fake_headroom = {'instances': 5, 'cores': 10, 'ram': 4096}
fake_usages = {'instances': 5, 'cores': 10, 'ram': 4096}
exc = exception.OverQuota(overs=['instances'], quotas=fake_quotas,
headroom=fake_headroom, usages=fake_usages)
check_deltas_mock.side_effect = [None, exc]
inst_type = flavors.get_default_flavor()
# Try to create 3 instances.
self.assertRaises(exception.QuotaError, self.compute_api.create,
self.context, inst_type, self.fake_image['id'], min_count=3)
project_id = self.context.project_id
self.assertEqual(2, check_deltas_mock.call_count)
call1 = mock.call(self.context,
{'instances': 3, 'cores': inst_type.vcpus * 3,
'ram': inst_type.memory_mb * 3},
project_id, user_id=None,
check_project_id=project_id, check_user_id=None)
call2 = mock.call(self.context, {'instances': 0, 'cores': 0, 'ram': 0},
project_id, user_id=None,
check_project_id=project_id, check_user_id=None)
check_deltas_mock.assert_has_calls([call1, call2])
# Verify we removed the artifacts that were added after the first
# quota check passed.
instances = objects.InstanceList.get_all(self.context)
self.assertEqual(0, len(instances))
build_requests = objects.BuildRequestList.get_all(self.context)
self.assertEqual(0, len(build_requests))
@db_api.api_context_manager.reader
def request_spec_get_all(context):
return context.session.query(api_models.RequestSpec).all()
request_specs = request_spec_get_all(self.context)
self.assertEqual(0, len(request_specs))
instance_mappings = objects.InstanceMappingList.get_by_project_id(
self.context, project_id)
self.assertEqual(0, len(instance_mappings))
@mock.patch('nova.objects.quotas.Quotas.check_deltas')
def test_create_instance_no_quota_recheck(
self, check_deltas_mock):
self.stub_out('nova.tests.unit.image.fake._FakeImageService.show',
self.fake_show)
# Disable recheck_quota.
self.flags(recheck_quota=False, group='quota')
inst_type = flavors.get_default_flavor()
(refs, resv_id) = self.compute_api.create(self.context,
inst_type,
self.fake_image['id'])
self.assertEqual(1, len(refs))
project_id = self.context.project_id
# check_deltas should have been called only once.
check_deltas_mock.assert_called_once_with(self.context,
{'instances': 1,
'cores': inst_type.vcpus,
'ram': inst_type.memory_mb},
project_id, user_id=None,
check_project_id=project_id,
check_user_id=None)
@mock.patch.object(compute_api.API, '_local_delete')
@mock.patch.object(compute_api.API, '_lookup_instance',
return_value=(None, None))
def test_delete_instance_no_cell_instance_disappear(self, mock_lookup,
mock_local_delete):
inst = self._create_fake_instance_obj()
@mock.patch.object(self.compute_api.cells_rpcapi,
'instance_delete_everywhere')
def test(mock_inst_del):
self.compute_api.delete(self.context, inst)
mock_lookup.assert_called_once_with(self.context, inst.uuid)
mock_inst_del.assert_called_once_with(self.context, inst, 'hard')
self.assertFalse(mock_local_delete.called)
test()
@mock.patch.object(compute_api.API, '_local_delete')
def _test_delete_instance_no_cell(self, method_name, mock_local_delete):
cells_rpcapi = self.compute_api.cells_rpcapi
inst = self._create_fake_instance_obj()
delete_type = method_name == 'soft_delete' and 'soft' or 'hard'
@mock.patch.object(cells_rpcapi,
'instance_delete_everywhere')
@mock.patch.object(compute_api.API, '_lookup_instance',
return_value=(None, inst))
def test(mock_lookup, mock_inst_del):
self.stub_out('nova.network.api.deallocate_for_instance',
lambda *a, **kw: None)
getattr(self.compute_api, method_name)(self.context, inst)
mock_lookup.assert_called_once_with(self.context, inst.uuid)
mock_local_delete.assert_called_once_with(self.context, inst,
mock.ANY, method_name,
mock.ANY)
mock_inst_del.assert_called_once_with(self.context,
inst, delete_type)
test()
def test_delete_instance_no_cell_constraint_failure_does_not_loop(self):
inst = self._create_fake_instance_obj()
inst.cell_name = None
inst.destroy = mock.MagicMock()
inst.destroy.side_effect = exception.ObjectActionError(action='',
reason='')
inst.refresh = mock.MagicMock()
@mock.patch.object(self.compute_api.cells_rpcapi,
'instance_delete_everywhere')
@mock.patch.object(compute_api.API, '_lookup_instance',
return_value=(None, inst))
def _test(_mock_lookup_inst, _mock_delete_everywhere):
self.assertRaises(exception.ObjectActionError,
self.compute_api.delete, self.context, inst)
inst.destroy.assert_called_once_with()
_test()
def test_delete_instance_no_cell_constraint_failure_corrects_itself(self):
def add_cell_name(context, instance, delete_type):
instance.cell_name = 'fake_cell_name'
inst = self._create_fake_instance_obj()
inst.cell_name = None
inst.destroy = mock.MagicMock()
inst.destroy.side_effect = exception.ObjectActionError(action='',
reason='')
inst.refresh = mock.MagicMock()
@mock.patch.object(compute_api.API, 'delete')
@mock.patch.object(self.compute_api.cells_rpcapi,
'instance_delete_everywhere', side_effect=add_cell_name)
@mock.patch.object(compute_api.API, '_lookup_instance',
return_value=(None, inst))
def _test(_mock_lookup_inst, mock_delete_everywhere,
mock_compute_delete):
self.compute_api.delete(self.context, inst)
inst.destroy.assert_called_once_with()
mock_compute_delete.assert_called_once_with(self.context, inst)
_test()
def test_delete_instance_no_cell_destroy_fails_already_deleted(self):
# If the instance.destroy() is reached during _local_delete,
# it will raise ObjectActionError if the instance has already
# been deleted by a instance_destroy_at_top, and instance.refresh()
# will raise InstanceNotFound
instance = objects.Instance(context=self.context,
uuid=uuids.destroy_instance,
cell_name=None, host=None)
actionerror = exception.ObjectActionError(action='destroy', reason='')
notfound = exception.InstanceNotFound(instance_id=instance.uuid)
@mock.patch.object(compute_api.API, 'delete')
@mock.patch.object(self.compute_api.cells_rpcapi,
'instance_delete_everywhere')
@mock.patch.object(compute_api.API, '_local_delete',
side_effect=actionerror)
@mock.patch.object(instance, 'refresh', side_effect=notfound)
@mock.patch.object(compute_api.API, '_lookup_instance',
return_value=(None, instance))
def _test(_mock_lookup_instance, mock_refresh, mock_local_delete,
mock_delete_everywhere, mock_compute_delete):
self.compute_api.delete(self.context, instance)
mock_delete_everywhere.assert_called_once_with(self.context,
instance, 'hard')
mock_local_delete.assert_called_once_with(self.context,
instance, mock.ANY, 'delete', self.compute_api._do_delete)
mock_refresh.assert_called_once_with()
self.assertFalse(mock_compute_delete.called)
_test()
def test_delete_instance_no_cell_instance_not_found_already_deleted(self):
# If anything in _local_delete accesses the instance causing a db
# lookup before instance.destroy() is reached, if the instance has
# already been deleted by a instance_destroy_at_top,
# InstanceNotFound will be raised
instance = objects.Instance(context=self.context,
uuid=uuids.delete_instance, cell_name=None,
host=None)
notfound = exception.InstanceNotFound(instance_id=instance.uuid)
@mock.patch.object(compute_api.API, 'delete')
@mock.patch.object(self.compute_api.cells_rpcapi,
'instance_delete_everywhere')
@mock.patch.object(compute_api.API, '_lookup_instance',
return_value=(None, instance))
@mock.patch.object(compute_api.API, '_local_delete',
side_effect=notfound)
def _test(mock_local_delete, _mock_lookup, mock_delete_everywhere,
mock_compute_delete):
self.compute_api.delete(self.context, instance)
mock_delete_everywhere.assert_called_once_with(self.context,
instance, 'hard')
mock_local_delete.assert_called_once_with(self.context,
instance, mock.ANY, 'delete', self.compute_api._do_delete)
self.assertFalse(mock_compute_delete.called)
_test()
def test_soft_delete_instance_no_cell(self):
self._test_delete_instance_no_cell('soft_delete')
def test_delete_instance_no_cell(self):
self._test_delete_instance_no_cell('delete')
def test_force_delete_instance_no_cell(self):
self._test_delete_instance_no_cell('force_delete')
@mock.patch.object(compute_api.API, '_delete_while_booting',
side_effect=exception.ObjectActionError(
action='delete', reason='host now set'))
@mock.patch.object(compute_api.API, '_local_delete')
@mock.patch.object(compute_api.API, '_lookup_instance')
@mock.patch.object(compute_api.API, 'delete')
def test_delete_instance_no_cell_then_cell(self, mock_delete,
mock_lookup_instance,
mock_local_delete,
mock_delete_while_booting):
# This checks the case where initially an instance has no cell_name,
# and therefore no host, set but instance.destroy fails because
# there is now a host.
instance = self._create_fake_instance_obj()
instance_with_cell = copy.deepcopy(instance)
instance_with_cell.cell_name = 'foo'
mock_lookup_instance.return_value = None, instance_with_cell
cells_rpcapi = self.compute_api.cells_rpcapi
@mock.patch.object(cells_rpcapi, 'instance_delete_everywhere')
def test(mock_inst_delete_everywhere):
self.compute_api.delete(self.context, instance)
mock_local_delete.assert_not_called()
mock_delete.assert_called_once_with(self.context,
instance_with_cell)
test()
@mock.patch.object(compute_api.API, '_delete_while_booting',
side_effect=exception.ObjectActionError(
action='delete', reason='host now set'))
@mock.patch.object(compute_api.API, '_local_delete')
@mock.patch.object(compute_api.API, '_lookup_instance')
@mock.patch.object(compute_api.API, 'delete')
def test_delete_instance_no_cell_then_no_instance(self,
mock_delete, mock_lookup_instance, mock_local_delete,
mock_delete_while_booting):
# This checks the case where initially an instance has no cell_name,
# and therefore no host, set but instance.destroy fails because
# there is now a host. And then the instance can't be looked up.
instance = self._create_fake_instance_obj()
mock_lookup_instance.return_value = None, None
cells_rpcapi = self.compute_api.cells_rpcapi
@mock.patch.object(cells_rpcapi, 'instance_delete_everywhere')
def test(mock_inst_delete_everywhere):
self.compute_api.delete(self.context, instance)
mock_local_delete.assert_not_called()
mock_delete.assert_not_called()
test()
def test_get_migrations(self):
filters = {'cell_name': 'ChildCell', 'status': 'confirmed'}
migrations = {'migrations': [{'id': 1234}]}
@mock.patch.object(self.compute_api.cells_rpcapi, 'get_migrations',
return_value=migrations)
def test(mock_cell_get_migrations):
response = self.compute_api.get_migrations(self.context,
filters)
mock_cell_get_migrations.assert_called_once_with(self.context,
filters)
self.assertEqual(migrations, response)
test()
def test_create_block_device_mapping(self):
instance_type = {'swap': 1, 'ephemeral_gb': 1}
instance = self._create_fake_instance_obj()
bdms = [block_device.BlockDeviceDict({'source_type': 'image',
'destination_type': 'local',
'image_id': 'fake-image',
'boot_index': 0})]
self.compute_api._create_block_device_mapping(
instance_type, instance.uuid, bdms)
bdms = db.block_device_mapping_get_all_by_instance(
self.context, instance['uuid'])
self.assertEqual(0, len(bdms))
def test_create_bdm_from_flavor(self):
self.skipTest("Test is incompatible with cells.")
@mock.patch('nova.cells.messaging._TargetedMessage')
def test_rebuild_sig(self, mock_msg):
# TODO(belliott) Cells could benefit from better testing to ensure API
# and manager signatures stay up to date
def wire(version):
# wire the rpc cast directly to the manager method to make sure
# the signature matches
cells_mgr = manager.CellsManager()
def cast(context, method, *args, **kwargs):
fn = getattr(cells_mgr, method)
fn(context, *args, **kwargs)
cells_mgr.cast = cast
return cells_mgr
cells_rpcapi = self.compute_api.cells_rpcapi
client = cells_rpcapi.client
with mock.patch.object(client, 'prepare', side_effect=wire):
inst = self._create_fake_instance_obj()
inst.cell_name = 'mycell'
cells_rpcapi.rebuild_instance(self.context, inst, 'pass', None,
None, None, None, None,
recreate=False,
on_shared_storage=False, host='host',
preserve_ephemeral=True, kwargs=None)
# one targeted message should have been created
self.assertEqual(1, mock_msg.call_count)
def test_populate_instance_for_create(self):
super(CellsComputeAPITestCase, self).test_populate_instance_for_create(
num_instances=2)
def test_multi_instance_display_name_default(self):
self._multi_instance_display_name_default(cells_enabled=True)
def test_multi_instance_display_name_template(self):
super(CellsComputeAPITestCase,
self).test_multi_instance_display_name_template(
cells_enabled=True)
class CellsShelveComputeAPITestCase(test_shelve.ShelveComputeAPITestCase):
def setUp(self):
super(CellsShelveComputeAPITestCase, self).setUp()
global ORIG_COMPUTE_API
ORIG_COMPUTE_API = self.compute_api
self.compute_api = compute_cells_api.ComputeCellsAPI()
def _fake_validate_cell(*args, **kwargs):
return
self.stub_out('nova.compute.api.API._validate_cell',
_fake_validate_cell)
def _create_fake_instance_obj(self, params=None, type_name='m1.tiny',
services=False, context=None):
flavor = flavors.get_flavor_by_name(type_name)
inst = objects.Instance(context=context or self.context)
inst.cell_name = 'api!child'
inst.vm_state = vm_states.ACTIVE
inst.task_state = None
inst.power_state = power_state.RUNNING
inst.image_ref = FAKE_IMAGE_REF
inst.reservation_id = 'r-fakeres'
inst.user_id = self.user_id
inst.project_id = self.project_id
inst.host = self.compute.host
inst.node = NODENAME
inst.instance_type_id = flavor.id
inst.ami_launch_index = 0
inst.memory_mb = 0
inst.vcpus = 0
inst.root_gb = 0
inst.ephemeral_gb = 0
inst.architecture = obj_fields.Architecture.X86_64
inst.os_type = 'Linux'
inst.system_metadata = (
params and params.get('system_metadata', {}) or {})
inst.locked = False
inst.created_at = timeutils.utcnow()
inst.updated_at = timeutils.utcnow()
inst.launched_at = timeutils.utcnow()
inst.security_groups = objects.SecurityGroupList(objects=[])
inst.flavor = flavor
inst.old_flavor = None
inst.new_flavor = None
if params:
inst.flavor.update(params.pop('flavor', {}))
inst.update(params)
inst.create()
return inst
def _test_shelve(self, vm_state=vm_states.ACTIVE,
boot_from_volume=False, clean_shutdown=True):
params = dict(task_state=None, vm_state=vm_state,
display_name='fake-name')
instance = self._create_fake_instance_obj(params=params)
with mock.patch.object(self.compute_api,
'_cast_to_cells') as cast_to_cells:
self.compute_api.shelve(self.context, instance,
clean_shutdown=clean_shutdown)
cast_to_cells.assert_called_once_with(self.context,
instance, 'shelve',
clean_shutdown=clean_shutdown
)
def test_unshelve(self):
# Ensure instance can be unshelved on cell environment.
# The super class tests nova-shelve.
instance = self._create_fake_instance_obj()
self.assertIsNone(instance['task_state'])
self.compute_api.shelve(self.context, instance)
instance.task_state = None
instance.vm_state = vm_states.SHELVED
instance.save()
with mock.patch.object(self.compute_api,
'_cast_to_cells') as cast_to_cells:
self.compute_api.unshelve(self.context, instance)
cast_to_cells.assert_called_once_with(self.context,
instance, 'unshelve')
def tearDown(self):
global ORIG_COMPUTE_API
self.compute_api = ORIG_COMPUTE_API
super(CellsShelveComputeAPITestCase, self).tearDown()
class CellsConductorAPIRPCRedirect(test.NoDBTestCase):
def setUp(self):
super(CellsConductorAPIRPCRedirect, self).setUp()
self.compute_api = compute_cells_api.ComputeCellsAPI()
self.cells_rpcapi = mock.MagicMock()
self.compute_api.compute_task_api.cells_rpcapi = self.cells_rpcapi
self.context = context.RequestContext('fake', 'fake')
@mock.patch.object(compute_api.API, '_record_action_start')
@mock.patch.object(compute_api.API, '_provision_instances')
@mock.patch.object(compute_api.API, '_check_and_transform_bdm')
@mock.patch.object(compute_api.API, '_get_image')
@mock.patch.object(compute_api.API, '_validate_and_build_base_options')
@mock.patch.object(compute_api.API, '_checks_for_create_and_rebuild')
def test_build_instances(self, _checks_for_create_and_rebuild,
_validate, _get_image, _check_bdm,
_provision, _record_action_start):
_get_image.return_value = (None, 'fake-image')
_validate.return_value = ({}, 1, None, ['default'])
_check_bdm.return_value = objects.BlockDeviceMappingList()
_provision.return_value = []
with mock.patch.object(self.compute_api.compute_task_api,
'schedule_and_build_instances') as sbi:
self.compute_api.create(self.context, 'fake-flavor', 'fake-image')
# Subsequent tests in class are verifying the hooking. We
# don't check args since this is verified in compute test
# code.
self.assertTrue(sbi.called)
@mock.patch.object(objects.RequestSpec, 'get_by_instance_uuid')
@mock.patch.object(compute_api.API, '_record_action_start')
@mock.patch.object(compute_api.API, '_resize_cells_support')
@mock.patch.object(compute_utils, 'reserve_quota_delta')
@mock.patch.object(compute_utils, 'upsize_quota_delta')
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(flavors, 'extract_flavor')
@mock.patch.object(compute_api.API, '_check_auto_disk_config')
@mock.patch.object(objects.BlockDeviceMappingList, 'get_by_instance_uuid')
def test_resize_instance(self, _bdms, _check, _extract, _save, _upsize,
_reserve, _cells, _record, _spec_get_by_uuid):
flavor = objects.Flavor(**test_flavor.fake_flavor)
_extract.return_value = flavor
orig_system_metadata = {}
instance = fake_instance.fake_instance_obj(self.context,
vm_state=vm_states.ACTIVE, cell_name='fake-cell',
launched_at=timeutils.utcnow(),
system_metadata=orig_system_metadata,
expected_attrs=['system_metadata'])
instance.flavor = flavor
instance.old_flavor = instance.new_flavor = None
self.compute_api.resize(self.context, instance)
self.assertTrue(self.cells_rpcapi.resize_instance.called)
@mock.patch.object(objects.ComputeNodeList, 'get_all_by_host')
@mock.patch.object(objects.RequestSpec, 'get_by_instance_uuid')
@mock.patch.object(compute_api.API, '_record_action_start')
@mock.patch.object(objects.Instance, 'save')
def test_live_migrate_instance(self, instance_save, _record, _get_spec,
mock_nodelist):
orig_system_metadata = {}
instance = fake_instance.fake_instance_obj(self.context,
vm_state=vm_states.ACTIVE, cell_name='fake-cell',
launched_at=timeutils.utcnow(),
system_metadata=orig_system_metadata,
expected_attrs=['system_metadata'])
self.compute_api.live_migrate(self.context, instance,
True, True, 'fake_dest_host')
self.assertTrue(self.cells_rpcapi.live_migrate_instance.called)
@mock.patch.object(objects.RequestSpec, 'get_by_instance_uuid')
@mock.patch.object(objects.Instance, 'save')
@mock.patch.object(objects.Instance, 'get_flavor')
@mock.patch.object(objects.BlockDeviceMappingList, 'get_by_instance_uuid')
@mock.patch.object(compute_api.API, '_get_image')
@mock.patch.object(compute_api.API, '_check_auto_disk_config')
@mock.patch.object(compute_api.API, '_checks_for_create_and_rebuild')
@mock.patch.object(compute_api.API, '_record_action_start')
def test_rebuild_instance(self, _record_action_start,
_checks_for_create_and_rebuild, _check_auto_disk_config,
_get_image, bdm_get_by_instance_uuid, get_flavor, instance_save,
_req_spec_get_by_inst_uuid):
orig_system_metadata = {}
instance = fake_instance.fake_instance_obj(self.context,
vm_state=vm_states.ACTIVE, cell_name='fake-cell',
launched_at=timeutils.utcnow(), image_ref=uuids.image_id,
system_metadata=orig_system_metadata,
expected_attrs=['system_metadata'])
get_flavor.return_value = ''
# The API request schema validates that a UUID is passed for the
# imageRef parameter so we need to provide an image.
image_href = uuids.image_id
image = {"min_ram": 10, "min_disk": 1,
"properties": {'architecture': 'x86_64'},
"id": uuids.image_id}
admin_pass = ''
files_to_inject = []
bdms = objects.BlockDeviceMappingList()
_get_image.return_value = (None, image)
bdm_get_by_instance_uuid.return_value = bdms
self.compute_api.rebuild(self.context, instance, image_href,
admin_pass, files_to_inject)
self.assertTrue(self.cells_rpcapi.rebuild_instance.called)
def test_check_equal(self):
task_api = self.compute_api.compute_task_api
tests = set()
for (name, value) in inspect.getmembers(self, inspect.ismethod):
if name.startswith('test_') and name != 'test_check_equal':
tests.add(name[5:])
if tests != set(task_api.cells_compatible):
self.fail("Testcases not equivalent to cells_compatible list")