80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
# Copyright 2012 OpenStack Foundation
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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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import webob.exc
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from glance.api import policy
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from glance.common import exception
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from glance.common import utils
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from glance.common import wsgi
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import glance.db
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import glance.domain
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import glance.gateway
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import glance.notifier
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import glance.store
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class Controller(object):
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def __init__(self, db_api=None, policy_enforcer=None, notifier=None,
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store_api=None):
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self.db_api = db_api or glance.db.get_api()
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self.db_api.setup_db_env()
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self.policy = policy_enforcer or policy.Enforcer()
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self.notifier = notifier or glance.notifier.Notifier()
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self.store_api = store_api or glance.store
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self.gateway = glance.gateway.Gateway(self.db_api, self.store_api,
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self.notifier, self.policy)
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@utils.mutating
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def update(self, req, image_id, tag_value):
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image_repo = self.gateway.get_repo(req.context)
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try:
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image = image_repo.get(image_id)
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image.tags.add(tag_value)
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image_repo.save(image)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=unicode(e))
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=unicode(e))
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@utils.mutating
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def delete(self, req, image_id, tag_value):
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image_repo = self.gateway.get_repo(req.context)
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try:
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image = image_repo.get(image_id)
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if tag_value not in image.tags:
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raise webob.exc.HTTPNotFound()
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image.tags.remove(tag_value)
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image_repo.save(image)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=unicode(e))
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=unicode(e))
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class ResponseSerializer(wsgi.JSONResponseSerializer):
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def update(self, response, result):
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response.status_int = 204
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def delete(self, response, result):
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response.status_int = 204
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def create_resource():
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"""Images resource factory method"""
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serializer = ResponseSerializer()
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controller = Controller()
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return wsgi.Resource(controller, serializer=serializer)
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