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# Copyright 2021 RedHat Inc.
# All Rights Reserved.
#
# 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
import uuid
from cinderclient.apiclient import exceptions as apiclient_exception
from cinderclient import exceptions as cinder_exception
from oslo_config import cfg
from oslotest import base
from glance_store.common import cinder_utils
CONF = cfg.CONF
class FakeObject(object):
def __init__(self, **kwargs):
for name, value in kwargs.items():
setattr(self, name, value)
class CinderUtilsTestCase(base.BaseTestCase):
def setUp(self):
super(CinderUtilsTestCase, self).setUp()
CONF.register_opt(cfg.DictOpt('enabled_backends'))
CONF.set_override('enabled_backends', 'fake:cinder')
self.volume_api = cinder_utils.API()
self.fake_client = FakeObject(attachments=FakeObject(
create=mock.MagicMock(), delete=mock.MagicMock(),
complete=mock.MagicMock(), update=mock.MagicMock(),
show=mock.MagicMock()))
self.fake_vol_id = uuid.uuid4()
self.fake_attach_id = uuid.uuid4()
self.fake_connector = {
'platform': 'x86_64', 'os_type': 'linux', 'ip': 'fake_ip',
'host': 'fake_host', 'multipath': False,
'initiator': 'fake_initiator', 'do_local_attach': False,
'uuid': '3e1a7217-104e-41c1-b177-a37c491129a0',
'system uuid': '98755544-c749-40ed-b30a-a1cb27b2a46d',
'nqn': 'fake_nqn'}
def test_attachment_create(self):
self.volume_api.attachment_create(self.fake_client, self.fake_vol_id)
self.fake_client.attachments.create.assert_called_once_with(
self.fake_vol_id, None, mode=None)
def test_attachment_create_with_connector_and_mountpoint(self):
self.volume_api.attachment_create(
self.fake_client, self.fake_vol_id,
connector=self.fake_connector, mountpoint='fake_mountpoint')
self.fake_connector['mountpoint'] = 'fake_mountpoint'
self.fake_client.attachments.create.assert_called_once_with(
self.fake_vol_id, self.fake_connector, mode=None)
def test_attachment_create_client_exception(self):
self.fake_client.attachments.create.side_effect = (
cinder_exception.ClientException(code=1))
self.assertRaises(
cinder_exception.ClientException,
self.volume_api.attachment_create,
self.fake_client, self.fake_vol_id)
@mock.patch('time.sleep', new=mock.Mock())
def test_attachment_create_retries(self):
fake_attach_id = 'fake-attach-id'
# Make create fail two times and succeed on the third attempt.
self.fake_client.attachments.create.side_effect = [
cinder_exception.BadRequest(400),
cinder_exception.BadRequest(400),
fake_attach_id]
# Make sure we get a clean result.
fake_attachment_id = self.volume_api.attachment_create(
self.fake_client, self.fake_vol_id)
self.assertEqual(fake_attach_id, fake_attachment_id)
# Assert that we called attachment create three times due to the retry
# decorator.
self.fake_client.attachments.create.assert_has_calls([
mock.call(self.fake_vol_id, None, mode=None),
mock.call(self.fake_vol_id, None, mode=None),
mock.call(self.fake_vol_id, None, mode=None)])
def test_attachment_get(self):
self.volume_api.attachment_get(self.fake_client, self.fake_attach_id)
self.fake_client.attachments.show.assert_called_once_with(
self.fake_attach_id)
def test_attachment_get_client_exception(self):
self.fake_client.attachments.show.side_effect = (
cinder_exception.ClientException(code=1))
self.assertRaises(
cinder_exception.ClientException,
self.volume_api.attachment_get,
self.fake_client, self.fake_attach_id)
def test_attachment_update(self):
self.volume_api.attachment_update(self.fake_client,
self.fake_attach_id,
self.fake_connector)
self.fake_client.attachments.update.assert_called_once_with(
self.fake_attach_id, self.fake_connector)
def test_attachment_update_with_connector_and_mountpoint(self):
self.volume_api.attachment_update(
self.fake_client, self.fake_attach_id, self.fake_connector,
mountpoint='fake_mountpoint')
self.fake_connector['mountpoint'] = 'fake_mountpoint'
self.fake_client.attachments.update.assert_called_once_with(
self.fake_attach_id, self.fake_connector)
def test_attachment_update_client_exception(self):
self.fake_client.attachments.update.side_effect = (
cinder_exception.ClientException(code=1))
self.assertRaises(
cinder_exception.ClientException,
self.volume_api.attachment_update,
self.fake_client, self.fake_attach_id, self.fake_connector)
def test_attachment_complete(self):
self.volume_api.attachment_complete(self.fake_client,
self.fake_attach_id)
self.fake_client.attachments.complete.assert_called_once_with(
self.fake_attach_id)
def test_attachment_complete_client_exception(self):
self.fake_client.attachments.complete.side_effect = (
cinder_exception.ClientException(code=1))
self.assertRaises(
cinder_exception.ClientException,
self.volume_api.attachment_complete,
self.fake_client, self.fake_attach_id)
def test_attachment_delete(self):
self.volume_api.attachment_delete(self.fake_client,
self.fake_attach_id)
self.fake_client.attachments.delete.assert_called_once_with(
self.fake_attach_id)
def test_attachment_delete_client_exception(self):
self.fake_client.attachments.delete.side_effect = (
cinder_exception.ClientException(code=1))
self.assertRaises(
cinder_exception.ClientException,
self.volume_api.attachment_delete,
self.fake_client, self.fake_attach_id)
def test_attachment_delete_retries(self):
# Make delete fail two times and succeed on the third attempt.
self.fake_client.attachments.delete.side_effect = [
apiclient_exception.InternalServerError(),
apiclient_exception.InternalServerError(),
lambda aid: 'foo']
# Make sure we get a clean result.
self.assertIsNone(self.volume_api.attachment_delete(
self.fake_client, self.fake_attach_id))
# Assert that we called delete three times due to the retry
# decorator.
self.fake_client.attachments.delete.assert_has_calls([
mock.call(self.fake_attach_id),
mock.call(self.fake_attach_id),
mock.call(self.fake_attach_id)])
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