368 lines
16 KiB
Python
368 lines
16 KiB
Python
# Copyright (c) 2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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import mock
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from oslo_utils import timeutils
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from nova import exception
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from nova import objects
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from nova.tests.unit.objects import test_objects
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from nova.tests.unit import utils as test_utils
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from nova.tests import uuidsentinel as uuids
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_TS_NOW = timeutils.utcnow(with_timezone=True)
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# o.vo.fields.DateTimeField converts to tz-aware and
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# in process we lose microsecond resolution.
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_TS_NOW = _TS_NOW.replace(microsecond=0)
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_DB_UUID = uuids.fake
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_INST_GROUP_DB = {
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'id': 1,
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'uuid': _DB_UUID,
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'user_id': 'fake_user',
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'project_id': 'fake_project',
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'name': 'fake_name',
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'policies': ['policy1', 'policy2'],
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'members': ['instance_id1', 'instance_id2'],
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'deleted': False,
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'created_at': _TS_NOW,
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'updated_at': _TS_NOW,
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'deleted_at': None,
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}
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class _TestInstanceGroupObject(object):
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@mock.patch('nova.db.instance_group_get', return_value=_INST_GROUP_DB)
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@mock.patch('nova.objects.InstanceGroup._get_from_db_by_uuid',
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side_effect=exception.InstanceGroupNotFound(group_uuid=_DB_UUID))
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def test_get_by_uuid_main(self, mock_api_get, mock_db_get):
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obj = objects.InstanceGroup.get_by_uuid(self.context,
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_DB_UUID)
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mock_db_get.assert_called_once_with(self.context, _DB_UUID)
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self.assertEqual(_INST_GROUP_DB['members'], obj.members)
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self.assertEqual(_INST_GROUP_DB['policies'], obj.policies)
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self.assertEqual(_DB_UUID, obj.uuid)
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self.assertEqual(_INST_GROUP_DB['project_id'], obj.project_id)
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self.assertEqual(_INST_GROUP_DB['user_id'], obj.user_id)
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self.assertEqual(_INST_GROUP_DB['name'], obj.name)
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@mock.patch('nova.db.instance_group_get_by_instance',
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return_value=_INST_GROUP_DB)
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@mock.patch('nova.objects.InstanceGroup._get_from_db_by_instance')
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def test_get_by_instance_uuid_main(self, mock_api_get, mock_db_get):
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error = exception.InstanceGroupNotFound(group_uuid='')
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mock_api_get.side_effect = error
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objects.InstanceGroup.get_by_instance_uuid(
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self.context, mock.sentinel.instance_uuid)
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mock_db_get.assert_called_once_with(
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self.context, mock.sentinel.instance_uuid)
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@mock.patch('nova.db.instance_group_get')
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def test_refresh(self, mock_db_get):
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changed_group = copy.deepcopy(_INST_GROUP_DB)
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changed_group['name'] = 'new_name'
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mock_db_get.side_effect = [_INST_GROUP_DB, changed_group]
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obj = objects.InstanceGroup.get_by_uuid(self.context,
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_DB_UUID)
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self.assertEqual(_INST_GROUP_DB['name'], obj.name)
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obj.refresh()
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self.assertEqual('new_name', obj.name)
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self.assertEqual(set([]), obj.obj_what_changed())
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@mock.patch('nova.compute.utils.notify_about_server_group_update')
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@mock.patch('nova.db.instance_group_update')
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@mock.patch('nova.db.instance_group_get')
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def test_save_main(self, mock_db_get, mock_db_update, mock_notify):
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changed_group = copy.deepcopy(_INST_GROUP_DB)
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changed_group['name'] = 'new_name'
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mock_db_get.side_effect = [_INST_GROUP_DB, changed_group]
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obj = objects.InstanceGroup.get_by_uuid(self.context,
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_DB_UUID)
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self.assertEqual(obj.name, 'fake_name')
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obj.name = 'new_name'
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obj.policies = ['policy1'] # Remove policy 2
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obj.members = ['instance_id1'] # Remove member 2
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obj.save()
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mock_db_update.assert_called_once_with(self.context, _DB_UUID,
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{'name': 'new_name',
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'members': ['instance_id1'],
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'policies': ['policy1']})
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mock_notify.assert_called_once_with(self.context, "update",
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{'name': 'new_name',
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'members': ['instance_id1'],
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'policies': ['policy1'],
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'server_group_id': _DB_UUID})
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@mock.patch('nova.compute.utils.notify_about_server_group_update')
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@mock.patch('nova.db.instance_group_update')
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@mock.patch('nova.db.instance_group_get')
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def test_save_without_hosts_main(self, mock_db_get, mock_db_update,
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mock_notify):
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mock_db_get.side_effect = [_INST_GROUP_DB, _INST_GROUP_DB]
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obj = objects.InstanceGroup.get_by_uuid(self.context, _DB_UUID)
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obj.hosts = ['fake-host1']
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self.assertRaises(exception.InstanceGroupSaveException,
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obj.save)
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# make sure that we can save by removing hosts from what is updated
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obj.obj_reset_changes(['hosts'])
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obj.save()
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# since hosts was the only update, there is no actual call
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self.assertFalse(mock_db_update.called)
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self.assertFalse(mock_notify.called)
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@mock.patch('nova.compute.utils.notify_about_server_group_action')
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@mock.patch('nova.compute.utils.notify_about_server_group_update')
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@mock.patch('nova.objects.InstanceGroup._create_in_db',
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return_value=_INST_GROUP_DB)
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def test_create(self, mock_db_create, mock_notify, mock_notify_action):
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obj = objects.InstanceGroup(context=self.context)
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obj.uuid = _DB_UUID
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obj.name = _INST_GROUP_DB['name']
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obj.user_id = _INST_GROUP_DB['user_id']
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obj.project_id = _INST_GROUP_DB['project_id']
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obj.members = _INST_GROUP_DB['members']
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obj.policies = _INST_GROUP_DB['policies']
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obj.updated_at = _TS_NOW
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obj.created_at = _TS_NOW
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obj.deleted_at = None
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obj.deleted = False
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obj.create()
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mock_db_create.assert_called_once_with(
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self.context,
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{'uuid': _DB_UUID,
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'name': _INST_GROUP_DB['name'],
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'user_id': _INST_GROUP_DB['user_id'],
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'project_id': _INST_GROUP_DB['project_id'],
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'created_at': _TS_NOW,
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'updated_at': _TS_NOW,
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'deleted_at': None,
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'deleted': False,
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},
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members=_INST_GROUP_DB['members'],
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policies=_INST_GROUP_DB['policies'])
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mock_notify.assert_called_once_with(
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self.context, "create",
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{'uuid': _DB_UUID,
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'name': _INST_GROUP_DB['name'],
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'user_id': _INST_GROUP_DB['user_id'],
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'project_id': _INST_GROUP_DB['project_id'],
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'created_at': _TS_NOW,
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'updated_at': _TS_NOW,
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'deleted_at': None,
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'deleted': False,
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'members': _INST_GROUP_DB['members'],
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'policies': _INST_GROUP_DB['policies'],
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'server_group_id': _DB_UUID})
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def _group_matcher(group):
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"""Custom mock call matcher method."""
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return (group.uuid == _DB_UUID and
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group.name == _INST_GROUP_DB['name'] and
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group.user_id == _INST_GROUP_DB['user_id'] and
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group.project_id == _INST_GROUP_DB['project_id'] and
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group.created_at == _TS_NOW and
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group.updated_at == _TS_NOW and
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group.deleted_at is None and
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group.deleted is False and
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group.members == _INST_GROUP_DB['members'] and
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group.policies == _INST_GROUP_DB['policies'] and
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group.id == 1)
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group_matcher = test_utils.CustomMockCallMatcher(_group_matcher)
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self.assertRaises(exception.ObjectActionError, obj.create)
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mock_notify_action.assert_called_once_with(context=self.context,
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group=group_matcher,
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action='create')
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@mock.patch('nova.compute.utils.notify_about_server_group_update')
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@mock.patch('nova.objects.InstanceGroup._destroy_in_db')
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def test_destroy(self, mock_db_delete, mock_notify):
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obj = objects.InstanceGroup(context=self.context)
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obj.uuid = _DB_UUID
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obj.destroy()
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mock_db_delete.assert_called_once_with(self.context, _DB_UUID)
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mock_notify.assert_called_once_with(self.context, "delete",
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{'server_group_id': _DB_UUID})
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@mock.patch('nova.compute.utils.notify_about_server_group_update')
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@mock.patch('nova.objects.InstanceGroup._add_members_in_db')
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def test_add_members(self, mock_members_add_db, mock_notify):
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fake_member_models = [{'instance_uuid': mock.sentinel.uuid}]
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fake_member_uuids = [mock.sentinel.uuid]
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mock_members_add_db.return_value = fake_member_models
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members = objects.InstanceGroup.add_members(self.context,
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_DB_UUID,
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fake_member_uuids)
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self.assertEqual(fake_member_uuids, members)
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mock_members_add_db.assert_called_once_with(
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self.context,
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_DB_UUID,
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fake_member_uuids)
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mock_notify.assert_called_once_with(
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self.context, "addmember",
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{'instance_uuids': fake_member_uuids,
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'server_group_id': _DB_UUID})
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@mock.patch('nova.objects.InstanceList.get_by_filters')
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@mock.patch('nova.objects.InstanceGroup._get_from_db_by_uuid',
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return_value=_INST_GROUP_DB)
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def test_count_members_by_user(self, mock_get_db, mock_il_get):
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mock_il_get.return_value = [mock.ANY]
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obj = objects.InstanceGroup.get_by_uuid(self.context, _DB_UUID)
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expected_filters = {
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'uuid': ['instance_id1', 'instance_id2'],
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'user_id': 'fake_user',
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'deleted': False
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}
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self.assertEqual(1, obj.count_members_by_user('fake_user'))
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mock_il_get.assert_called_once_with(self.context,
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filters=expected_filters)
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@mock.patch('nova.objects.InstanceList.get_by_filters')
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@mock.patch('nova.objects.InstanceGroup._get_from_db_by_uuid',
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return_value=_INST_GROUP_DB)
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def test_get_hosts(self, mock_get_db, mock_il_get):
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mock_il_get.return_value = [objects.Instance(host='host1'),
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objects.Instance(host='host2'),
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objects.Instance(host=None)]
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obj = objects.InstanceGroup.get_by_uuid(self.context, _DB_UUID)
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hosts = obj.get_hosts()
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self.assertEqual(['instance_id1', 'instance_id2'], obj.members)
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expected_filters = {
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'uuid': ['instance_id1', 'instance_id2'],
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'deleted': False
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}
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mock_il_get.assert_called_once_with(self.context,
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filters=expected_filters)
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self.assertEqual(2, len(hosts))
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self.assertIn('host1', hosts)
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self.assertIn('host2', hosts)
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# Test manual exclusion
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mock_il_get.reset_mock()
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hosts = obj.get_hosts(exclude=['instance_id1'])
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expected_filters = {
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'uuid': set(['instance_id2']),
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'deleted': False
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}
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mock_il_get.assert_called_once_with(self.context,
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filters=expected_filters)
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def test_obj_make_compatible(self):
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obj = objects.InstanceGroup(self.context, **_INST_GROUP_DB)
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obj_primitive = obj.obj_to_primitive()
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self.assertNotIn('metadetails', obj_primitive)
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obj.obj_make_compatible(obj_primitive, '1.6')
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self.assertEqual({}, obj_primitive['metadetails'])
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@mock.patch.object(objects.InstanceList, 'get_by_filters')
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def test_load_hosts(self, mock_get_by_filt):
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mock_get_by_filt.return_value = [objects.Instance(host='host1'),
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objects.Instance(host='host2')]
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obj = objects.InstanceGroup(self.context, members=['uuid1'])
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self.assertEqual(2, len(obj.hosts))
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self.assertIn('host1', obj.hosts)
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self.assertIn('host2', obj.hosts)
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self.assertNotIn('hosts', obj.obj_what_changed())
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def test_load_anything_else_but_hosts(self):
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obj = objects.InstanceGroup(self.context)
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self.assertRaises(exception.ObjectActionError, getattr, obj, 'members')
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class TestInstanceGroupObject(test_objects._LocalTest,
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_TestInstanceGroupObject):
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pass
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class TestRemoteInstanceGroupObject(test_objects._RemoteTest,
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_TestInstanceGroupObject):
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pass
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def _mock_db_list_get(*args):
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instances = [(uuids.f1, 'f1', 'p1'),
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(uuids.f2, 'f2', 'p1'),
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(uuids.f3, 'f3', 'p2'),
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(uuids.f4, 'f4', 'p2')]
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result = []
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for instance in instances:
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values = copy.deepcopy(_INST_GROUP_DB)
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values['uuid'] = instance[0]
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values['name'] = instance[1]
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values['project_id'] = instance[2]
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result.append(values)
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return result
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class _TestInstanceGroupListObject(object):
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@mock.patch('nova.db.instance_group_get_all')
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@mock.patch('nova.objects.InstanceGroupList._get_from_db')
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def test_list_all_main(self, mock_api_get, mock_db_get):
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mock_api_get.return_value = []
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mock_db_get.side_effect = _mock_db_list_get
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inst_list = objects.InstanceGroupList.get_all(self.context)
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self.assertEqual(4, len(inst_list.objects))
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mock_db_get.assert_called_once_with(self.context)
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@mock.patch('nova.db.instance_group_get_all_by_project_id')
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@mock.patch('nova.objects.InstanceGroupList._get_from_db')
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def test_list_by_project_id_main(self, mock_api_get, mock_db_get):
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mock_api_get.return_value = []
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mock_db_get.side_effect = _mock_db_list_get
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objects.InstanceGroupList.get_by_project_id(
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self.context, mock.sentinel.project_id)
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mock_db_get.assert_called_once_with(
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self.context, mock.sentinel.project_id)
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@mock.patch('nova.db.instance_group_get_all_by_project_id')
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@mock.patch('nova.objects.InstanceGroup._get_from_db_by_name')
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def test_get_by_name_main(self, mock_api_get, mock_db_get):
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error = exception.InstanceGroupNotFound(group_uuid='f1')
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mock_api_get.side_effect = error
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mock_db_get.side_effect = _mock_db_list_get
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# Need the project_id value set, otherwise we'd use mock.sentinel
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mock_ctx = mock.MagicMock()
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mock_ctx.project_id = 'fake_project'
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ig = objects.InstanceGroup.get_by_name(mock_ctx, 'f1')
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mock_db_get.assert_called_once_with(mock_ctx, 'fake_project')
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self.assertEqual('f1', ig.name)
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self.assertRaises(exception.InstanceGroupNotFound,
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objects.InstanceGroup.get_by_name,
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mock_ctx, 'unknown')
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@mock.patch('nova.objects.InstanceGroup.get_by_uuid')
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@mock.patch('nova.objects.InstanceGroup.get_by_name')
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def test_get_by_hint(self, mock_name, mock_uuid):
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objects.InstanceGroup.get_by_hint(self.context, _DB_UUID)
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mock_uuid.assert_called_once_with(self.context, _DB_UUID)
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objects.InstanceGroup.get_by_hint(self.context, 'name')
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mock_name.assert_called_once_with(self.context, 'name')
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class TestInstanceGroupListObject(test_objects._LocalTest,
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_TestInstanceGroupListObject):
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pass
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class TestRemoteInstanceGroupListObject(test_objects._RemoteTest,
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_TestInstanceGroupListObject):
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pass
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