129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
# Copyright 2012 OpenStack Foundation
|
|
# 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.
|
|
|
|
import uuid
|
|
|
|
from oslo.config import cfg
|
|
import six
|
|
|
|
#NOTE(bcwaldon): importing this to get the default_store option
|
|
import glance.api.v1.images
|
|
from glance.common import exception
|
|
|
|
import glance.store.location
|
|
|
|
CONF = cfg.CONF
|
|
|
|
|
|
class BaseTestCase(object):
|
|
"""
|
|
Basic test cases for glance image stores.
|
|
|
|
To run these tests on a new store X, create a test case like
|
|
|
|
class TestXStore(BaseTestCase, testtools.TestCase):
|
|
(MULTIPLE INHERITANCE REQUIRED)
|
|
|
|
def get_store(...):
|
|
(STORE SPECIFIC)
|
|
|
|
def stash_image(...):
|
|
(STORE SPECIFIC)
|
|
"""
|
|
|
|
def setUp(self):
|
|
super(BaseTestCase, self).setUp()
|
|
|
|
def tearDown(self):
|
|
CONF.reset()
|
|
super(BaseTestCase, self).tearDown()
|
|
|
|
def config(self, **kw):
|
|
for k, v in kw.iteritems():
|
|
CONF.set_override(k, v, group=None)
|
|
|
|
def get_store(self, **kwargs):
|
|
raise NotImplementedError('get_store() must be implemented')
|
|
|
|
def stash_image(self, image_id, image_data):
|
|
"""Store image data in the backend manually
|
|
|
|
:param image_id: image identifier
|
|
:param image_data: string representing image data fixture
|
|
:return URI referencing newly-created backend object
|
|
"""
|
|
raise NotImplementedError('stash_image is not implemented')
|
|
|
|
def test_create_store(self):
|
|
self.config(known_stores=[self.store_cls_path])
|
|
count = glance.store.create_stores()
|
|
self.assertEqual(count, 1)
|
|
|
|
def test_lifecycle(self):
|
|
"""Add, get and delete an image"""
|
|
store = self.get_store()
|
|
|
|
image_id = str(uuid.uuid4())
|
|
image_data = six.StringIO('XXX')
|
|
image_checksum = 'bc9189406be84ec297464a514221406d'
|
|
try:
|
|
uri, add_size, add_checksum, _ = store.add(image_id, image_data, 3)
|
|
except NotImplementedError:
|
|
msg = 'Configured store can not add images'
|
|
self.skipTest(msg)
|
|
|
|
self.assertEqual(3, add_size)
|
|
self.assertEqual(image_checksum, add_checksum)
|
|
|
|
store = self.get_store()
|
|
location = glance.store.location.Location(
|
|
self.store_name,
|
|
store.get_store_location_class(),
|
|
uri=uri,
|
|
image_id=image_id)
|
|
|
|
(get_iter, get_size) = store.get(location)
|
|
self.assertEqual(3, get_size)
|
|
self.assertEqual('XXX', ''.join(get_iter))
|
|
|
|
image_size = store.get_size(location)
|
|
self.assertEqual(3, image_size)
|
|
|
|
store.delete(location)
|
|
|
|
self.assertRaises(exception.NotFound, store.get, location)
|
|
|
|
def test_get_remote_image(self):
|
|
"""Get an image that was created externally to Glance"""
|
|
image_id = str(uuid.uuid4())
|
|
try:
|
|
image_uri = self.stash_image(image_id, 'XXX')
|
|
except NotImplementedError:
|
|
msg = 'Configured store can not stash images'
|
|
self.skipTest(msg)
|
|
|
|
store = self.get_store()
|
|
location = glance.store.location.Location(
|
|
self.store_name,
|
|
store.get_store_location_class(),
|
|
uri=image_uri)
|
|
|
|
(get_iter, get_size) = store.get(location)
|
|
self.assertEqual(3, get_size)
|
|
self.assertEqual('XXX', ''.join(get_iter))
|
|
|
|
image_size = store.get_size(location)
|
|
self.assertEqual(3, image_size)
|