nova/nova/tests/unit/objects/test_instance_action.py

441 lines
20 KiB
Python

# Copyright 2013 IBM Corp.
#
# 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.
import copy
import traceback
import mock
from oslo_utils import fixture as utils_fixture
from oslo_utils.fixture import uuidsentinel as uuids
from oslo_utils import timeutils
import six
from nova.db import api as db
from nova import exception
from nova import objects
from nova.objects import instance_action
from nova import test
from nova.tests.unit.objects import test_objects
NOW = timeutils.utcnow().replace(microsecond=0)
fake_action = {
'created_at': NOW,
'deleted_at': None,
'updated_at': None,
'deleted': False,
'id': 123,
'action': 'fake-action',
'instance_uuid': uuids.instance,
'request_id': 'fake-request',
'user_id': 'fake-user',
'project_id': 'fake-project',
'start_time': NOW,
'finish_time': None,
'message': 'foo',
}
fake_event = {
'created_at': NOW,
'deleted_at': None,
'updated_at': None,
'deleted': False,
'id': 123,
'event': 'fake-event',
'action_id': 123,
'start_time': NOW,
'finish_time': None,
'result': 'fake-result',
'traceback': 'fake-tb',
'host': 'fake-host',
'details': None
}
class _TestInstanceActionObject(object):
@mock.patch.object(db, 'action_get_by_request_id')
def test_get_by_request_id(self, mock_get):
context = self.context
mock_get.return_value = fake_action
action = instance_action.InstanceAction.get_by_request_id(
context, 'fake-uuid', 'fake-request')
self.compare_obj(action, fake_action)
mock_get.assert_called_once_with(context,
'fake-uuid', 'fake-request')
def test_pack_action_start(self):
values = instance_action.InstanceAction.pack_action_start(
self.context, 'fake-uuid', 'fake-action')
self.assertEqual(values['request_id'], self.context.request_id)
self.assertEqual(values['user_id'], self.context.user_id)
self.assertEqual(values['project_id'], self.context.project_id)
self.assertEqual(values['instance_uuid'], 'fake-uuid')
self.assertEqual(values['action'], 'fake-action')
self.assertEqual(values['start_time'].replace(tzinfo=None),
self.context.timestamp)
def test_pack_action_finish(self):
self.useFixture(utils_fixture.TimeFixture(NOW))
values = instance_action.InstanceAction.pack_action_finish(
self.context, 'fake-uuid')
self.assertEqual(values['request_id'], self.context.request_id)
self.assertEqual(values['instance_uuid'], 'fake-uuid')
self.assertEqual(values['finish_time'].replace(tzinfo=None), NOW)
@mock.patch.object(db, 'action_start')
def test_action_start(self, mock_start):
test_class = instance_action.InstanceAction
expected_packed_values = test_class.pack_action_start(
self.context, 'fake-uuid', 'fake-action')
mock_start.return_value = fake_action
action = instance_action.InstanceAction.action_start(
self.context, 'fake-uuid', 'fake-action', want_result=True)
mock_start.assert_called_once_with(self.context,
expected_packed_values)
self.compare_obj(action, fake_action)
@mock.patch.object(db, 'action_start')
def test_action_start_no_result(self, mock_start):
test_class = instance_action.InstanceAction
expected_packed_values = test_class.pack_action_start(
self.context, 'fake-uuid', 'fake-action')
mock_start.return_value = fake_action
action = instance_action.InstanceAction.action_start(
self.context, 'fake-uuid', 'fake-action', want_result=False)
mock_start.assert_called_once_with(self.context,
expected_packed_values)
self.assertIsNone(action)
@mock.patch.object(db, 'action_finish')
def test_action_finish(self, mock_finish):
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceAction
expected_packed_values = test_class.pack_action_finish(
self.context, 'fake-uuid')
mock_finish.return_value = fake_action
action = instance_action.InstanceAction.action_finish(
self.context, 'fake-uuid', want_result=True)
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.compare_obj(action, fake_action)
@mock.patch.object(db, 'action_finish')
def test_action_finish_no_result(self, mock_finish):
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceAction
expected_packed_values = test_class.pack_action_finish(
self.context, 'fake-uuid')
mock_finish.return_value = fake_action
action = instance_action.InstanceAction.action_finish(
self.context, 'fake-uuid', want_result=False)
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.assertIsNone(action)
@mock.patch.object(db, 'action_finish')
@mock.patch.object(db, 'action_start')
def test_finish(self, mock_start, mock_finish):
self.useFixture(utils_fixture.TimeFixture(NOW))
expected_packed_action_start = {
'request_id': self.context.request_id,
'user_id': self.context.user_id,
'project_id': self.context.project_id,
'instance_uuid': uuids.instance,
'action': 'fake-action',
'start_time': self.context.timestamp,
'updated_at': self.context.timestamp,
}
expected_packed_action_finish = {
'request_id': self.context.request_id,
'instance_uuid': uuids.instance,
'finish_time': NOW,
'updated_at': NOW,
}
mock_start.return_value = fake_action
mock_finish.return_value = fake_action
action = instance_action.InstanceAction.action_start(
self.context, uuids.instance, 'fake-action')
action.finish()
mock_start.assert_called_once_with(self.context,
expected_packed_action_start)
mock_finish.assert_called_once_with(self.context,
expected_packed_action_finish)
self.compare_obj(action, fake_action)
@mock.patch.object(db, 'actions_get')
def test_get_list(self, mock_get):
fake_actions = [dict(fake_action, id=1234),
dict(fake_action, id=5678)]
mock_get.return_value = fake_actions
obj_list = instance_action.InstanceActionList.get_by_instance_uuid(
self.context, 'fake-uuid')
for index, action in enumerate(obj_list):
self.compare_obj(action, fake_actions[index])
mock_get.assert_called_once_with(self.context, 'fake-uuid', None,
None, None)
def test_create_id_in_updates_error(self):
action = instance_action.InstanceAction(self.context, id=1)
ex = self.assertRaises(exception.ObjectActionError, action.create)
self.assertIn('already created', six.text_type(ex))
@mock.patch('nova.db.api.action_start')
def test_create(self, mock_action_start):
mock_action_start.return_value = fake_action
action = instance_action.InstanceAction(self.context)
expected_updates = action.obj_get_changes()
action.create()
mock_action_start.assert_called_once_with(
self.context, expected_updates)
self.compare_obj(action, fake_action)
class TestInstanceActionObject(test_objects._LocalTest,
_TestInstanceActionObject):
pass
class TestRemoteInstanceActionObject(test_objects._RemoteTest,
_TestInstanceActionObject):
pass
class _TestInstanceActionEventObject(object):
@mock.patch.object(db, 'action_event_get_by_id')
def test_get_by_id(self, mock_get):
mock_get.return_value = fake_event
event = instance_action.InstanceActionEvent.get_by_id(
self.context, 'fake-action-id', 'fake-event-id')
self.compare_obj(event, fake_event)
mock_get.assert_called_once_with(self.context,
'fake-action-id', 'fake-event-id')
@mock.patch.object(db, 'action_event_start')
def test_event_start(self, mock_start):
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
expected_packed_values = test_class.pack_action_event_start(
self.context, 'fake-uuid', 'fake-event')
mock_start.return_value = fake_event
event = instance_action.InstanceActionEvent.event_start(
self.context, 'fake-uuid', 'fake-event', want_result=True)
mock_start.assert_called_once_with(self.context,
expected_packed_values)
self.compare_obj(event, fake_event)
@mock.patch.object(db, 'action_event_start')
def test_event_start_no_result(self, mock_start):
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
expected_packed_values = test_class.pack_action_event_start(
self.context, 'fake-uuid', 'fake-event')
mock_start.return_value = fake_event
event = instance_action.InstanceActionEvent.event_start(
self.context, 'fake-uuid', 'fake-event', want_result=False)
mock_start.assert_called_once_with(self.context,
expected_packed_values)
self.assertIsNone(event)
@mock.patch.object(db, 'action_event_finish')
def test_event_finish(self, mock_finish):
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
expected_packed_values = test_class.pack_action_event_finish(
self.context, 'fake-uuid', 'fake-event')
expected_packed_values['finish_time'] = NOW
self.assertNotIn('details', expected_packed_values)
mock_finish.return_value = fake_event
event = instance_action.InstanceActionEvent.event_finish(
self.context, 'fake-uuid', 'fake-event', want_result=True)
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.compare_obj(event, fake_event)
@mock.patch.object(db, 'action_event_finish')
def test_event_finish_no_result(self, mock_finish):
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
expected_packed_values = test_class.pack_action_event_finish(
self.context, 'fake-uuid', 'fake-event')
expected_packed_values['finish_time'] = NOW
mock_finish.return_value = fake_event
event = instance_action.InstanceActionEvent.event_finish(
self.context, 'fake-uuid', 'fake-event', want_result=False)
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.assertIsNone(event)
@mock.patch.object(traceback, 'format_tb')
@mock.patch.object(db, 'action_event_finish')
def test_event_finish_with_failure(self, mock_finish, mock_tb):
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
# The NovaException message will get formatted for the 'details' field.
exc_val = exception.NoValidHost(reason='some error')
expected_packed_values = test_class.pack_action_event_finish(
self.context, 'fake-uuid', 'fake-event', exc_val, 'fake-tb')
expected_packed_values['finish_time'] = NOW
self.assertEqual(exc_val.format_message(),
expected_packed_values['details'])
fake_event_with_details = copy.deepcopy(fake_event)
fake_event_with_details['details'] = expected_packed_values['details']
mock_finish.return_value = fake_event_with_details
event = test_class.event_finish_with_failure(
self.context, 'fake-uuid', 'fake-event', exc_val, 'fake-tb',
want_result=True)
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.compare_obj(event, fake_event_with_details)
mock_tb.assert_not_called()
@mock.patch.object(traceback, 'format_tb')
@mock.patch.object(db, 'action_event_finish')
def test_event_finish_with_failure_legacy(self, mock_finish, mock_tb):
# Tests that exc_tb is serialized when it's not a string type.
mock_tb.return_value = 'fake-tb'
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
# A non-NovaException will use the exception class name for
# the 'details' field.
exc_val = test.TestingException('non-nova-error')
expected_packed_values = test_class.pack_action_event_finish(
self.context, 'fake-uuid', 'fake-event', exc_val, 'fake-tb')
expected_packed_values['finish_time'] = NOW
self.assertEqual('TestingException', expected_packed_values['details'])
fake_event_with_details = copy.deepcopy(fake_event)
fake_event_with_details['details'] = expected_packed_values['details']
mock_finish.return_value = fake_event_with_details
fake_tb = mock.sentinel.fake_tb
event = test_class.event_finish_with_failure(
self.context, 'fake-uuid', 'fake-event', exc_val=exc_val,
exc_tb=fake_tb, want_result=True)
# When calling event_finish_with_failure and using exc_val as a kwarg
# serialize_args will convert exc_val to non-nova exception class name
# form before it reaches event_finish_with_failure.
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.compare_obj(event, fake_event_with_details)
mock_tb.assert_called_once_with(fake_tb)
@mock.patch.object(db, 'action_event_finish')
def test_event_finish_with_failure_legacy_unicode(self, mock_finish):
# Tests that traceback.format_tb is not called when exc_tb is unicode.
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
expected_packed_values = test_class.pack_action_event_finish(
self.context, 'fake-uuid', 'fake-event', 'val',
six.text_type('fake-tb'))
expected_packed_values['finish_time'] = NOW
mock_finish.return_value = fake_event
event = test_class.event_finish_with_failure(
self.context, 'fake-uuid', 'fake-event', exc_val='val',
exc_tb=six.text_type('fake-tb'), want_result=True)
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.compare_obj(event, fake_event)
@mock.patch.object(traceback, 'format_tb')
@mock.patch.object(db, 'action_event_finish')
def test_event_finish_with_failure_no_result(self, mock_finish, mock_tb):
# Tests that traceback.format_tb is not called when exc_tb is a str
# and want_result is False, so no event should come back.
mock_tb.return_value = 'fake-tb'
self.useFixture(utils_fixture.TimeFixture(NOW))
test_class = instance_action.InstanceActionEvent
expected_packed_values = test_class.pack_action_event_finish(
self.context, 'fake-uuid', 'fake-event', 'val', 'fake-tb')
expected_packed_values['finish_time'] = NOW
mock_finish.return_value = fake_event
event = test_class.event_finish_with_failure(
self.context, 'fake-uuid', 'fake-event', 'val', 'fake-tb',
want_result=False)
mock_finish.assert_called_once_with(self.context,
expected_packed_values)
self.assertIsNone(event)
self.assertFalse(mock_tb.called)
@mock.patch.object(db, 'action_events_get')
def test_get_by_action(self, mock_get):
fake_events = [dict(fake_event, id=1234),
dict(fake_event, id=5678)]
mock_get.return_value = fake_events
obj_list = instance_action.InstanceActionEventList.get_by_action(
self.context, 'fake-action-id')
for index, event in enumerate(obj_list):
self.compare_obj(event, fake_events[index])
mock_get.assert_called_once_with(self.context, 'fake-action-id')
@mock.patch('nova.objects.instance_action.InstanceActionEvent.'
'pack_action_event_finish')
@mock.patch('traceback.format_tb')
def test_event_finish_with_failure_serialized(self, mock_format,
mock_pack):
mock_format.return_value = 'traceback'
mock_pack.side_effect = test.TestingException
exc = exception.NotFound()
self.assertRaises(
test.TestingException,
instance_action.InstanceActionEvent.event_finish_with_failure,
self.context, 'fake-uuid', 'fake-event',
exc_val=exc,
exc_tb=mock.sentinel.exc_tb)
mock_pack.assert_called_once_with(self.context, 'fake-uuid',
'fake-event',
exc_val=exc.format_message(),
exc_tb='traceback')
mock_format.assert_called_once_with(mock.sentinel.exc_tb)
def test_create_id_in_updates_error(self):
event = instance_action.InstanceActionEvent(self.context, id=1)
ex = self.assertRaises(
exception.ObjectActionError, event.create,
fake_action['instance_uuid'], fake_action['request_id'])
self.assertIn('already created', six.text_type(ex))
@mock.patch('nova.db.api.action_event_start')
def test_create(self, mock_action_event_start):
mock_action_event_start.return_value = fake_event
event = instance_action.InstanceActionEvent(self.context)
expected_updates = event.obj_get_changes()
expected_updates['instance_uuid'] = fake_action['instance_uuid']
expected_updates['request_id'] = fake_action['request_id']
event.create(fake_action['instance_uuid'], fake_action['request_id'])
mock_action_event_start.assert_called_once_with(
self.context, expected_updates)
self.compare_obj(event, fake_event)
def test_obj_make_compatible(self):
action_event_obj = objects.InstanceActionEvent(
details=None, # added in 1.4
host='fake-host' # added in 1.2
)
data = lambda x: x['nova_object.data']
primitive = data(action_event_obj.obj_to_primitive(
target_version='1.3'))
self.assertIn('host', primitive)
self.assertNotIn('details', primitive)
class TestInstanceActionEventObject(test_objects._LocalTest,
_TestInstanceActionEventObject):
pass
class TestRemoteInstanceActionEventObject(test_objects._RemoteTest,
_TestInstanceActionEventObject):
pass