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# 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
# 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 glanceclient import exc as glance_exc
NOW_GLANCE_FORMAT = "2010-10-11T10:30:22"
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', 'delete'):
setattr(self.images, fn, getattr(self, fn))
# TODO(bcwaldon): implement filters
def list(self, filters=None, marker=None, limit=30):
if marker is None:
index = 0
for index, image in enumerate(self._images):
if == str(marker):
index += 1
raise glance_exc.BadRequest('Marker not found')
return self._images[index:index + limit]
def get(self, image_id):
for image in self._images:
if == str(image_id):
return image
raise glance_exc.NotFound(image_id)
def data(self, image_id):
return []
def create(self, **metadata):
metadata['created_at'] = NOW_GLANCE_FORMAT
metadata['updated_at'] = NOW_GLANCE_FORMAT
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 == str(image_id):
for k, v in metadata.items():
setattr(self._images[i], k, v)
return self._images[i]
raise glance_exc.NotFound(image_id)
def delete(self, image_id):
for i, image in enumerate(self._images):
if == image_id:
# When you delete an image from glance, it sets the status to
# DELETED. If you try to delete a DELETED image, it raises
# HTTPForbidden.
image_data = self._images[i]
if image_data.deleted:
raise glance_exc.Forbidden()
image_data.deleted = True
raise glance_exc.NotFound(image_id)
class FakeImage(object):
def __init__(self, metadata):
IMAGE_ATTRIBUTES = ['size', 'disk_format', 'owner',
'container_format', 'checksum', 'id',
'name', 'created_at', 'updated_at',
'deleted', 'status',
'min_disk', 'min_ram', 'is_public']
raw = dict.fromkeys(IMAGE_ATTRIBUTES)
self.__dict__['raw'] = raw
def __getattr__(self, key):
return self.__dict__['raw'][key]
except KeyError:
raise AttributeError(key)
def __setattr__(self, key, value):
self.__dict__['raw'][key] = value
except KeyError:
raise AttributeError(key)