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# 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 mock
from oslo_utils.fixture import uuidsentinel as uuids
from oslo_versionedobjects import fixture as ovo_fixture
from nova import context
from nova.db.api import models as api_models
from nova import exception
from nova import objects
from nova.objects import base
from nova import test
class InstanceGroupObjectTestCase(test.TestCase):
def setUp(self):
super(InstanceGroupObjectTestCase, self).setUp()
self.context = context.RequestContext('fake-user', 'fake-project')
def _api_group(self, **values):
group = objects.InstanceGroup(context=self.context,
user_id=self.context.user_id,
project_id=self.context.project_id,
name='foogroup',
policy='anti-affinity',
rules={'max_server_per_host': 1},
members=['memberfoo'])
group.update(values)
group.create()
return group
def test_create(self):
create_group = self._api_group()
db_group = create_group._get_from_db_by_uuid(self.context,
create_group.uuid)
self.assertIsInstance(db_group.policy, api_models.InstanceGroupPolicy)
self.assertEqual(create_group.policies[0], db_group.policy.policy)
self.assertEqual(create_group.id, db_group.policy.group_id)
ovo_fixture.compare_obj(
self, create_group, db_group,
comparators={'policy': lambda a, b: b == a.policy},
allow_missing=('deleted', 'deleted_at', 'policies', '_rules'))
self.assertEqual({'max_server_per_host': 1}, create_group.rules)
def test_destroy(self):
create_group = self._api_group()
create_group.destroy()
self.assertRaises(exception.InstanceGroupNotFound,
create_group._get_from_db_by_uuid, self.context,
create_group.uuid)
@mock.patch('nova.compute.utils.notify_about_server_group_update')
def test_save(self, _mock_notify):
create_group = self._api_group()
create_group.members = ['memberbar1', 'memberbar2']
create_group.name = 'anewname'
create_group.save()
db_group = create_group._get_from_db_by_uuid(self.context,
create_group.uuid)
ovo_fixture.compare_obj(
self, create_group, db_group,
comparators={'policy': lambda a, b: b == a.policy},
allow_missing=('deleted', 'deleted_at', 'policies', '_rules'))
self.assertEqual({'max_server_per_host': 1}, create_group.rules)
def test_add_members(self):
create_group = self._api_group()
new_member = ['memberbar']
objects.InstanceGroup.add_members(self.context, create_group.uuid,
new_member)
db_group = create_group._get_from_db_by_uuid(self.context,
create_group.uuid)
self.assertEqual(create_group.members + new_member, db_group.members)
def test_add_members_to_group_with_no_members(self):
create_group = self._api_group(members=[])
new_member = ['memberbar']
objects.InstanceGroup.add_members(self.context, create_group.uuid,
new_member)
db_group = create_group._get_from_db_by_uuid(self.context,
create_group.uuid)
self.assertEqual(new_member, db_group.members)
def test_remove_members(self):
create_group = self._api_group(members=[])
# Add new members.
new_members = [uuids.instance1, uuids.instance2, uuids.instance3]
objects.InstanceGroup.add_members(self.context, create_group.uuid,
new_members)
# We already have tests for adding members, so we don't have to
# verify they were added.
# Remove the first two members we added.
objects.InstanceGroup._remove_members_in_db(self.context,
create_group.id,
new_members[:2])
# Refresh the group from the database.
db_group = create_group._get_from_db_by_uuid(self.context,
create_group.uuid)
# We should have one new member left.
self.assertEqual([uuids.instance3], db_group.members)
def test_get_by_uuid(self):
create_group = self._api_group()
get_group = objects.InstanceGroup.get_by_uuid(self.context,
create_group.uuid)
self.assertTrue(base.obj_equal_prims(create_group, get_group))
def test_get_by_name(self):
create_group = self._api_group()
get_group = objects.InstanceGroup.get_by_name(self.context,
create_group.name)
self.assertTrue(base.obj_equal_prims(create_group, get_group))
def test_get_by_instance_uuid(self):
create_group = self._api_group(members=[uuids.instance])
get_group = objects.InstanceGroup.get_by_instance_uuid(self.context,
uuids.instance)
self.assertTrue(base.obj_equal_prims(create_group, get_group))
def test_get_by_project_id(self):
create_group = self._api_group()
get_groups = objects.InstanceGroupList.get_by_project_id(
self.context, self.context.project_id)
self.assertEqual(1, len(get_groups))
self.assertTrue(base.obj_equal_prims(create_group, get_groups[0]))
ovo_fixture.compare_obj(self, get_groups[0], create_group)
def test_get_all(self):
create_group = self._api_group()
get_groups = objects.InstanceGroupList.get_all(self.context)
self.assertEqual(1, len(get_groups))
self.assertTrue(base.obj_equal_prims(create_group, get_groups[0]))
ovo_fixture.compare_obj(self, get_groups[0], create_group)
def test_get_counts(self):
# _api_group() creates a group with project_id and user_id from
# self.context by default
self._api_group()
self._api_group(project_id='foo')
self._api_group(user_id='bar')
# Count only across a project
counts = objects.InstanceGroupList.get_counts(self.context, 'foo')
self.assertEqual(1, counts['project']['server_groups'])
self.assertNotIn('user', counts)
# Count across a project and a user
counts = objects.InstanceGroupList.get_counts(
self.context, self.context.project_id,
user_id=self.context.user_id)
self.assertEqual(2, counts['project']['server_groups'])
self.assertEqual(1, counts['user']['server_groups'])
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