117 lines
3.8 KiB
Python
117 lines
3.8 KiB
Python
# Copyright (c) 2011 Citrix Systems, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from glanceclient import exc as glance_exc
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NOW_GLANCE_FORMAT = "2010-10-11T10:30:22"
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class StubGlanceClient(object):
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def __init__(self, images=None):
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self._images = []
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_images = images or []
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map(lambda image: self.create(**image), _images)
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# NOTE(bcwaldon): HACK to get client.images.* to work
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self.images = lambda: None
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for fn in ('list', 'get', 'data', 'create', 'update', 'delete'):
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setattr(self.images, fn, getattr(self, fn))
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# TODO(bcwaldon): implement filters
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def list(self, filters=None, marker=None, limit=30):
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if marker is None:
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index = 0
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else:
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for index, image in enumerate(self._images):
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if image.id == str(marker):
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index += 1
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break
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else:
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raise glance_exc.BadRequest('Marker not found')
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return self._images[index:index + limit]
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def get(self, image_id):
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for image in self._images:
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if image.id == str(image_id):
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return image
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raise glance_exc.NotFound(image_id)
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def data(self, image_id):
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self.get(image_id)
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return []
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def create(self, **metadata):
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metadata['created_at'] = NOW_GLANCE_FORMAT
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metadata['updated_at'] = NOW_GLANCE_FORMAT
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self._images.append(FakeImage(metadata))
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try:
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image_id = str(metadata['id'])
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except KeyError:
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# auto-generate an id if one wasn't provided
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image_id = str(len(self._images))
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self._images[-1].id = image_id
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return self._images[-1]
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def update(self, image_id, **metadata):
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for i, image in enumerate(self._images):
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if image.id == str(image_id):
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for k, v in metadata.items():
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setattr(self._images[i], k, v)
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return self._images[i]
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raise glance_exc.NotFound(image_id)
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def delete(self, image_id):
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for i, image in enumerate(self._images):
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if image.id == image_id:
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# When you delete an image from glance, it sets the status to
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# DELETED. If you try to delete a DELETED image, it raises
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# HTTPForbidden.
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image_data = self._images[i]
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if image_data.deleted:
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raise glance_exc.Forbidden()
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image_data.deleted = True
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return
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raise glance_exc.NotFound(image_id)
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class FakeImage(object):
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def __init__(self, metadata):
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IMAGE_ATTRIBUTES = ['size', 'disk_format', 'owner',
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'container_format', 'checksum', 'id',
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'name', 'created_at', 'updated_at',
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'deleted', 'status',
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'min_disk', 'min_ram', 'is_public']
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raw = dict.fromkeys(IMAGE_ATTRIBUTES)
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raw.update(metadata)
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self.__dict__['raw'] = raw
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def __getattr__(self, key):
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try:
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return self.__dict__['raw'][key]
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except KeyError:
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raise AttributeError(key)
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def __setattr__(self, key, value):
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try:
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self.__dict__['raw'][key] = value
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except KeyError:
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raise AttributeError(key)
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