49 lines
2.0 KiB
Python
49 lines
2.0 KiB
Python
# Copyright 2013 Rackspace Hosting
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# All Rights Reserved.
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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 nova.api.openstack import wsgi
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from nova.policies import image_size as is_policies
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class ImageSizeController(wsgi.Controller):
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def _extend_image(self, image, image_cache):
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# NOTE(mriedem): The OS-EXT-* prefix should not be used for new
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# attributes after v2.1. They are only in v2.1 for backward compat
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# with v2.0.
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key = "OS-EXT-IMG-SIZE:size"
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image[key] = image_cache['size']
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@wsgi.extends
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def show(self, req, resp_obj, id):
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context = req.environ["nova.context"]
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if context.can(is_policies.BASE_POLICY_NAME, fatal=False):
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image_resp = resp_obj.obj['image']
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# image guaranteed to be in the cache due to the core API adding
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# it in its 'show' method
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image_cached = req.get_db_item('images', image_resp['id'])
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self._extend_image(image_resp, image_cached)
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@wsgi.extends
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def detail(self, req, resp_obj):
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context = req.environ['nova.context']
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if context.can(is_policies.BASE_POLICY_NAME, fatal=False):
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images_resp = list(resp_obj.obj['images'])
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# images guaranteed to be in the cache due to the core API adding
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# it in its 'detail' method
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for image in images_resp:
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image_cached = req.get_db_item('images', image['id'])
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self._extend_image(image, image_cached)
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