def _shelve_offload(self, mock_notify, mock_notify_instance_usage,
mock_get_power_state, mock_update_resource_tracker,
mock_delete_alloc, mock_terminate, mock_get_bdms,
clean_shutdown=True):
host = 'fake-mini'
instance = self._create_fake_instance_obj(params={'host': host})
instance.task_state = task_states.SHELVING
instance.save()
self.useFixture(utils_fixture.TimeFixture())
fake_bdms = objects.BlockDeviceMappingList()
mock_get_bdms.return_value = fake_bdms
with mock.patch.object(instance, 'save'):
self.compute.shelve_offload_instance(self.context, instance,
clean_shutdown=clean_shutdown)
mock_notify.assert_has_calls([
mock.call(self.context, instance, 'fake-mini',
action='shelve_offload', phase='start',
bdms=fake_bdms),
mock.call(self.context, instance, 'fake-mini',
action='shelve_offload', phase='end',
bdms=fake_bdms)])
self.assertEqual(vm_states.SHELVED_OFFLOADED, instance.vm_state)
self.assertIsNone(instance.task_state)
self.assertTrue(mock_terminate.called)
# prepare expect call lists
mock_notify_instance_usage_call_list = [
mock.call(self.context, instance, 'shelve_offload.start'),
mock.call(self.context, instance, 'shelve_offload.end')]
mock_notify_instance_usage.assert_has_calls(
mock_notify_instance_usage_call_list)
# instance.host is replaced with host because
# original instance.host is clear after
# ComputeManager.shelve_offload_instance execute
mock_get_power_state.assert_called_once_with(
self.context, instance)
mock_update_resource_tracker.assert_called_once_with(self.context,
instance)
mock_delete_alloc.assert_called_once_with(instance)
return instance
def fake_db_req(**updates):
ctxt = context.RequestContext('fake-user', 'fake-project')
instance_uuid = uuidutils.generate_uuid()
instance = fake_instance.fake_instance_obj(ctxt, objects.Instance,
uuid=instance_uuid)
# This will always be set this way for an instance at build time
instance.host = None
block_devices = objects.BlockDeviceMappingList(
objects=[fake_block_device.fake_bdm_object(
context,
fake_block_device.FakeDbBlockDeviceDict(
source_type='blank', destination_type='local',
guest_format='foo', device_type='disk', disk_bus='',
boot_index=1, device_name='xvda', delete_on_termination=False,
snapshot_id=None, volume_id=None, volume_size=0,
image_id='bar', no_device=False, connection_info=None,
tag='', instance_uuid=uuids.instance))])
db_build_request = {
'id': 1,
'project_id': 'fake-project',
'instance_uuid': instance_uuid,
'instance': jsonutils.dumps(instance.obj_to_primitive()),
'block_device_mappings': jsonutils.dumps(
block_devices.obj_to_primitive()),
'created_at': datetime.datetime(2016, 1, 16),
'updated_at': datetime.datetime(2016, 1, 16),
}
for name, field in objects.BuildRequest.fields.items():
if name in db_build_request:
continue
if field.nullable:
db_build_request[name] = None
elif field.default != fields.UnspecifiedDefault:
db_build_request[name] = field.default
else:
raise Exception('fake_db_req needs help with %s' % name)
if updates:
db_build_request.update(updates)
return db_build_request
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 _shelve_instance(self, shelved_offload_time, mock_notify,
mock_notify_instance_usage, mock_get_power_state,
mock_snapshot, mock_power_off, mock_terminate,
mock_get_bdms, clean_shutdown=True):
mock_get_power_state.return_value = 123
CONF.set_override('shelved_offload_time', shelved_offload_time)
host = 'fake-mini'
instance = self._create_fake_instance_obj(params={'host': host})
image_id = 'fake_image_id'
host = 'fake-mini'
self.useFixture(utils_fixture.TimeFixture())
instance.task_state = task_states.SHELVING
instance.save()
fake_bdms = None
if shelved_offload_time == 0:
fake_bdms = objects.BlockDeviceMappingList()
mock_get_bdms.return_value = fake_bdms
tracking = {'last_state': instance.vm_state}
def check_save(expected_task_state=None):
self.assertEqual(123, instance.power_state)
if tracking['last_state'] == vm_states.ACTIVE:
if CONF.shelved_offload_time == 0:
self.assertEqual(task_states.SHELVING_OFFLOADING,
instance.task_state)
else:
self.assertIsNone(instance.task_state)
self.assertEqual(vm_states.SHELVED, instance.vm_state)
self.assertEqual([task_states.SHELVING,
task_states.SHELVING_IMAGE_UPLOADING],
expected_task_state)
self.assertIn('shelved_at', instance.system_metadata)
self.assertEqual(image_id,
instance.system_metadata['shelved_image_id'])
self.assertEqual(host,
instance.system_metadata['shelved_host'])
tracking['last_state'] = instance.vm_state
elif (tracking['last_state'] == vm_states.SHELVED and
CONF.shelved_offload_time == 0):
self.assertIsNone(instance.task_state)
self.assertEqual(vm_states.SHELVED_OFFLOADED,
instance.vm_state)
self.assertEqual([task_states.SHELVING,
task_states.SHELVING_OFFLOADING],
expected_task_state)
tracking['last_state'] = instance.vm_state
elif (tracking['last_state'] == vm_states.SHELVED_OFFLOADED and
CONF.shelved_offload_time == 0):
self.assertIsNone(instance.host)
self.assertIsNone(instance.node)
self.assertIsNone(expected_task_state)
else:
self.fail('Unexpected save!')
with test.nested(
mock.patch.object(instance, 'save'),
mock.patch.object(self.compute.network_api,
'cleanup_instance_network_on_host')) as (
mock_save, mock_cleanup
):
mock_save.side_effect = check_save
self.compute.shelve_instance(self.context, instance,
image_id=image_id,
clean_shutdown=clean_shutdown)
mock_notify.assert_has_calls([
mock.call(self.context, instance, 'fake-mini',
action='shelve', phase='start', bdms=fake_bdms),
mock.call(self.context, instance, 'fake-mini',
action='shelve', phase='end', bdms=fake_bdms)])
# prepare expect call lists
mock_notify_instance_usage_call_list = [
mock.call(self.context, instance, 'shelve.start'),
mock.call(self.context, instance, 'shelve.end')]
mock_power_off_call_list = []
mock_get_power_state_call_list = [
mock.call(self.context, instance)]
mock_cleanup_call_list = []
if clean_shutdown:
mock_power_off_call_list.append(
mock.call(instance, CONF.shutdown_timeout,
self.compute.SHUTDOWN_RETRY_INTERVAL))
else:
mock_power_off_call_list.append(mock.call(instance, 0, 0))
if CONF.shelved_offload_time == 0:
mock_notify_instance_usage_call_list.extend([
mock.call(self.context, instance, 'shelve_offload.start'),
mock.call(self.context, instance, 'shelve_offload.end')])
mock_power_off_call_list.append(mock.call(instance, 0, 0))
mock_get_power_state_call_list.append(mock.call(self.context,
instance))
# instance.host is replaced with host because
# original instance.host is clear after
# ComputeManager.shelve_instance execute with
# shelved_offload_time == 0
mock_cleanup_call_list.append(mock.call(self.context, instance,
host))
mock_notify_instance_usage.assert_has_calls(
mock_notify_instance_usage_call_list)
mock_power_off.assert_has_calls(mock_power_off_call_list)
mock_cleanup.assert_has_calls(mock_cleanup_call_list)
mock_snapshot.assert_called_once_with(self.context, instance,
'fake_image_id', mock.ANY)
mock_get_power_state.assert_has_calls(mock_get_power_state_call_list)
if CONF.shelved_offload_time == 0:
self.assertTrue(mock_terminate.called)
def _shelve_offload(self,
mock_notify,
mock_notify_instance_usage,
mock_get_power_state,
mock_update_resource_tracker,
mock_delete_alloc,
mock_terminate,
mock_get_bdms,
mock_event,
clean_shutdown=True):
host = 'fake-mini'
instance = self._create_fake_instance_obj(params={'host': host})
instance.task_state = task_states.SHELVING
instance.save()
self.useFixture(utils_fixture.TimeFixture())
fake_bdms = objects.BlockDeviceMappingList()
mock_get_bdms.return_value = fake_bdms
def stub_instance_save(inst, *args, **kwargs):
# If the vm_state is changed to SHELVED_OFFLOADED make sure we
# have already freed up allocations in placement.
if inst.vm_state == vm_states.SHELVED_OFFLOADED:
self.assertTrue(
mock_delete_alloc.called,
'Allocations must be deleted before the '
'vm_status can change to shelved_offloaded.')
self.stub_out('nova.objects.Instance.save', stub_instance_save)
self.compute.shelve_offload_instance(self.context,
instance,
clean_shutdown=clean_shutdown)
mock_notify.assert_has_calls([
mock.call(self.context,
instance,
'fake-mini',
action='shelve_offload',
phase='start',
bdms=fake_bdms),
mock.call(self.context,
instance,
'fake-mini',
action='shelve_offload',
phase='end',
bdms=fake_bdms)
])
self.assertEqual(vm_states.SHELVED_OFFLOADED, instance.vm_state)
self.assertIsNone(instance.task_state)
self.assertTrue(mock_terminate.called)
# prepare expect call lists
mock_notify_instance_usage_call_list = [
mock.call(self.context, instance, 'shelve_offload.start'),
mock.call(self.context, instance, 'shelve_offload.end')
]
mock_notify_instance_usage.assert_has_calls(
mock_notify_instance_usage_call_list)
# instance.host is replaced with host because
# original instance.host is clear after
# ComputeManager.shelve_offload_instance execute
mock_get_power_state.assert_called_once_with(self.context, instance)
mock_update_resource_tracker.assert_called_once_with(
self.context, instance)
mock_delete_alloc.assert_called_once_with(self.context, instance)
mock_event.assert_called_once_with(self.context,
'compute_shelve_offload_instance',
CONF.host, instance.uuid)
return instance
def block_device_make_list(context, db_list, **extra_args):
return base.obj_make_list(context, objects.BlockDeviceMappingList(context),
objects.BlockDeviceMapping, db_list,
**extra_args)
def _validate_device(self, device=None):
bdms = base.obj_make_list(self.context,
objects.BlockDeviceMappingList(),
objects.BlockDeviceMapping, self.data)
return compute_utils.get_device_name_for_instance(
self.instance, bdms, device)
def test_convert_block_devices(self):
bdms = objects.BlockDeviceMappingList(
objects=[self.volume_bdm, self.ephemeral_bdm])
converted = driver_block_device._convert_block_devices(
self.driver_classes['volume'], bdms)
self.assertEqual(converted, [self.volume_driver_bdm])
def test_list_with_additional_filter(self, mock_get):
fake_bdms = objects.BlockDeviceMappingList()
mock_get.return_value = fake_bdms
req = fakes.HTTPRequest.blank(
'/servers/id/os-volume_attachments?limit=1&additional=something')
self.attachments.index(req, FAKE_UUID)