nova/nova/tests/functional/db/test_instance_mapping.py

150 lines
5.8 KiB
Python

# 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.
from oslo_utils import uuidutils
from nova import context
from nova import exception
from nova.objects import cell_mapping
from nova.objects import instance_mapping
from nova import test
from nova.tests import fixtures
sample_mapping = {'instance_uuid': '',
'cell_id': 3,
'project_id': 'fake-project'}
sample_cell_mapping = {'id': 3,
'uuid': '',
'name': 'fake-cell',
'transport_url': 'rabbit:///',
'database_connection': 'mysql:///'}
def create_cell_mapping(**kwargs):
args = sample_cell_mapping.copy()
if 'uuid' not in kwargs:
args['uuid'] = uuidutils.generate_uuid()
args.update(kwargs)
ctxt = context.RequestContext('fake-user', 'fake-project')
return cell_mapping.CellMapping._create_in_db(ctxt, args)
def create_mapping(**kwargs):
args = sample_mapping.copy()
if 'instance_uuid' not in kwargs:
args['instance_uuid'] = uuidutils.generate_uuid()
args.update(kwargs)
ctxt = context.RequestContext('fake-user', 'fake-project')
return instance_mapping.InstanceMapping._create_in_db(ctxt, args)
class InstanceMappingTestCase(test.NoDBTestCase):
USES_DB_SELF = True
def setUp(self):
super(InstanceMappingTestCase, self).setUp()
self.useFixture(fixtures.Database(database='api'))
self.context = context.RequestContext('fake-user', 'fake-project')
self.mapping_obj = instance_mapping.InstanceMapping()
def test_get_by_instance_uuid(self):
cell_mapping = create_cell_mapping()
mapping = create_mapping()
db_mapping = self.mapping_obj._get_by_instance_uuid_from_db(
self.context, mapping['instance_uuid'])
for key in [key for key in self.mapping_obj.fields.keys()
if key != 'cell_mapping']:
self.assertEqual(db_mapping[key], mapping[key])
self.assertEqual(db_mapping['cell_mapping']['id'], cell_mapping['id'])
def test_get_by_instance_uuid_not_found(self):
self.assertRaises(exception.InstanceMappingNotFound,
self.mapping_obj._get_by_instance_uuid_from_db, self.context,
uuidutils.generate_uuid())
def test_save_in_db(self):
mapping = create_mapping()
cell_mapping = create_cell_mapping()
self.mapping_obj._save_in_db(self.context, mapping['instance_uuid'],
{'cell_id': cell_mapping['id']})
db_mapping = self.mapping_obj._get_by_instance_uuid_from_db(
self.context, mapping['instance_uuid'])
for key in [key for key in self.mapping_obj.fields.keys()
if key not in ['cell_id', 'cell_mapping', 'updated_at']]:
self.assertEqual(db_mapping[key], mapping[key])
self.assertEqual(db_mapping['cell_id'], cell_mapping['id'])
def test_destroy_in_db(self):
mapping = create_mapping()
self.mapping_obj._get_by_instance_uuid_from_db(self.context,
mapping['instance_uuid'])
self.mapping_obj._destroy_in_db(self.context, mapping['instance_uuid'])
self.assertRaises(exception.InstanceMappingNotFound,
self.mapping_obj._get_by_instance_uuid_from_db, self.context,
mapping['instance_uuid'])
def test_cell_id_nullable(self):
# Just ensure this doesn't raise
create_mapping(cell_id=None)
def test_modify_cell_mapping(self):
inst_mapping = instance_mapping.InstanceMapping(context=self.context)
inst_mapping.instance_uuid = uuidutils.generate_uuid()
inst_mapping.project_id = self.context.project_id
inst_mapping.cell_mapping = None
inst_mapping.create()
c_mapping = cell_mapping.CellMapping(
self.context,
uuid=uuidutils.generate_uuid(),
name="cell0",
transport_url="none:///",
database_connection="fake:///")
c_mapping.create()
inst_mapping.cell_mapping = c_mapping
inst_mapping.save()
result_mapping = instance_mapping.InstanceMapping.get_by_instance_uuid(
self.context, inst_mapping.instance_uuid)
self.assertEqual(result_mapping.cell_mapping.id,
c_mapping.id)
class InstanceMappingListTestCase(test.NoDBTestCase):
USES_DB_SELF = True
def setUp(self):
super(InstanceMappingListTestCase, self).setUp()
self.useFixture(fixtures.Database(database='api'))
self.context = context.RequestContext('fake-user', 'fake-project')
self.list_obj = instance_mapping.InstanceMappingList()
def test_get_by_project_id_from_db(self):
project_id = 'fake-project'
mappings = {}
mapping = create_mapping(project_id=project_id)
mappings[mapping['instance_uuid']] = mapping
mapping = create_mapping(project_id=project_id)
mappings[mapping['instance_uuid']] = mapping
db_mappings = self.list_obj._get_by_project_id_from_db(
self.context, project_id)
for db_mapping in db_mappings:
mapping = mappings[db_mapping.instance_uuid]
for key in instance_mapping.InstanceMapping.fields.keys():
self.assertEqual(db_mapping[key], mapping[key])