OpenStack Block Storage (Cinder)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
cinder/cinder/tests/unit/glance/stubs.py

145 lines
4.5 KiB

# Copyright (c) 2011 Citrix Systems, Inc.
#
# 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 glanceclient.exc
NOW_GLANCE_FORMAT = "2010-10-11T10:30:22"
IMAGE_ATTRIBUTES = ['size', 'disk_format', 'owner',
'container_format', 'checksum', 'id',
'name', 'created_at', 'updated_at',
'deleted', 'status',
'min_disk', 'min_ram', 'is_public']
class StubGlanceClient(object):
def __init__(self, images=None):
self._images = []
_images = images or []
map(lambda image: self.create(**image), _images)
# NOTE(bcwaldon): HACK to get client.images.* to work
self.images = lambda: None
for fn in ('list', 'get', 'data', 'create', 'update', 'upload',
'delete'):
setattr(self.images, fn, getattr(self, fn))
self.schemas = lambda: None
setattr(self.schemas, 'get', getattr(self, 'schemas_get'))
# TODO(bcwaldon): implement filters
def list(self, filters=None, marker=None, limit=30):
if marker is None:
index = 0
else:
for index, image in enumerate(self._images):
if image.id == str(marker):
index += 1
break
else:
raise glanceclient.exc.BadRequest('Marker not found')
return self._images[index:index + limit]
def get(self, image_id):
for image in self._images:
if image.id == str(image_id):
return image
raise glanceclient.exc.NotFound(image_id)
def data(self, image_id):
image = self.get(image_id)
if getattr(image, 'size', 0):
return ['*' * image.size]
else:
return []
def create(self, **metadata):
metadata['created_at'] = NOW_GLANCE_FORMAT
metadata['updated_at'] = NOW_GLANCE_FORMAT
self._images.append(FakeImage(metadata))
try:
image_id = str(metadata['id'])
except KeyError:
# auto-generate an id if one wasn't provided
image_id = str(len(self._images))
self._images[-1].id = image_id
return self._images[-1]
def update(self, image_id, **metadata):
for i, image in enumerate(self._images):
if image.id == str(image_id):
for k, v in metadata.items():
if k == 'data':
setattr(self._images[i], 'size', len(v))
else:
setattr(self._images[i], k, v)
return self._images[i]
raise glanceclient.exc.NotFound(image_id)
def delete(self, image_id):
for i, image in enumerate(self._images):
if image.id == image_id:
del self._images[i]
return
raise glanceclient.exc.NotFound(image_id)
def upload(self, image_id, data):
for i, image in enumerate(self._images):
if image.id == image_id:
setattr(self._images[i], 'size', len(data))
return
raise glanceclient.exc.NotFound(image_id)
def schemas_get(self, schema_name):
if schema_name != 'image':
raise glanceclient.exc.NotFound()
return FakeSchema()
class FakeImage(object):
def __init__(self, metadata):
raw = dict.fromkeys(IMAGE_ATTRIBUTES)
raw.update(metadata)
self.__dict__['raw'] = raw
def __getattr__(self, key):
try:
return self.__dict__['raw'][key]
except KeyError:
raise AttributeError(key)
def __setattr__(self, key, value):
try:
self.__dict__['raw'][key] = value
except KeyError:
raise AttributeError(key)
def keys(self):
return self.__dict__['raw'].keys()
class FakeSchema(object):
def is_base_property(self, key):
if key in IMAGE_ATTRIBUTES:
return True
else:
return False