heat/heat/tests/openstack/cinder/test_volume_utils.py

142 lines
5.5 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 unittest import mock
from cinderclient.v2 import client as cinderclient
from heat.engine.clients.os import cinder
from heat.engine.clients.os import nova
from heat.engine.resources.aws.ec2 import volume as aws_vol
from heat.engine.resources.openstack.cinder import volume as os_vol
from heat.engine import scheduler
from heat.engine import stk_defn
from heat.tests import common
from heat.tests.openstack.nova import fakes as fakes_nova
from heat.tests import utils
class VolumeTestCase(common.HeatTestCase):
def setUp(self):
super(VolumeTestCase, self).setUp()
self.fc = fakes_nova.FakeClient()
self.cinder_fc = cinderclient.Client('username', 'password')
self.cinder_fc.volume_api_version = 2
self.patchobject(cinder.CinderClientPlugin, '_create',
return_value=self.cinder_fc)
self.patchobject(nova.NovaClientPlugin, 'client',
return_value=self.fc)
self.cinder_fc.volumes = mock.Mock(spec=self.cinder_fc.volumes)
self.fc.volumes = mock.Mock()
self.use_cinder = False
self.m_backups = mock.Mock(spec=self.cinder_fc.backups)
self.m_restore = mock.Mock(spec=self.cinder_fc.restores.restore)
self.cinder_fc.backups = self.m_backups
self.cinder_fc.restores.restore = self.m_restore
def _mock_delete_volume(self, fv):
self.cinder_fc.volumes.delete.return_value = True
def validate_mock_create_server_volume_script(self):
self.fc.volumes.create_server_volume.assert_called_once_with(
device=u'/dev/vdc', server_id=u'WikiDatabase', volume_id='vol-123')
def _mock_create_server_volume_script(self, fva,
final_status='in-use',
update=False,
extra_create_server_volume_mocks=[]):
if not update:
nova.NovaClientPlugin.client.return_value = self.fc
result = [fva]
for m in extra_create_server_volume_mocks:
result.append(m)
prev = self.fc.volumes.create_server_volume.side_effect or []
self.fc.volumes.create_server_volume.side_effect = list(prev) + result
fv_ready = FakeVolume(final_status, id=fva.id)
return fv_ready
def get_volume(self, t, stack, resource_name):
if self.use_cinder:
Volume = os_vol.CinderVolume
else:
data = t['Resources'][resource_name]
data['Properties']['AvailabilityZone'] = 'nova'
Volume = aws_vol.Volume
vol = Volume(resource_name,
stack.defn.resource_definition(resource_name),
stack)
return vol
def create_volume(self, t, stack, resource_name, az='nova',
validate=True, no_create=False):
rsrc = self.get_volume(t, stack, resource_name)
if isinstance(rsrc, os_vol.CinderVolume):
self.patchobject(rsrc, '_store_config_default_properties')
self.assertIsNone(rsrc.validate())
scheduler.TaskRunner(rsrc.create)()
self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
stk_defn.update_resource_data(stack.defn, resource_name,
rsrc.node_data())
if validate:
if no_create:
self.cinder_fc.volumes.create.assert_not_called()
else:
self.vol_name = utils.PhysName(self.stack_name, 'DataVolume')
self.cinder_fc.volumes.create.assert_called_once_with(
size=1, availability_zone=az,
description=self.vol_name,
name=self.vol_name,
metadata={u'Usage': u'Wiki Data Volume'})
return rsrc
def create_attachment(self, t, stack, resource_name):
if self.use_cinder:
Attachment = os_vol.CinderVolumeAttachment
else:
Attachment = aws_vol.VolumeAttachment
rsrc = Attachment(resource_name,
stack.defn.resource_definition(resource_name),
stack)
self.assertIsNone(rsrc.validate())
scheduler.TaskRunner(rsrc.create)()
self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
stk_defn.update_resource_data(stack.defn, resource_name,
rsrc.node_data())
return rsrc
class FakeVolume(object):
_ID = 'vol-123'
def __init__(self, status, **attrs):
self.status = status
self.multiattach = True
for key, value in attrs.items():
setattr(self, key, value)
if 'id' not in attrs:
self.id = self._ID
if 'attachments' not in attrs:
self.attachments = [{'server_id': 'WikiDatabase'}]
class FakeBackup(FakeVolume):
_ID = 'backup-123'
class FakeBackupRestore(object):
def __init__(self, volume_id='vol-123'):
self.volume_id = volume_id