123 lines
4.6 KiB
Python
123 lines
4.6 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 http.client as http
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import glance_store
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from oslo_log import log as logging
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from oslo_utils import encodeutils
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import webob.exc
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from glance.api import policy
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from glance.api.v2 import images as v2_api
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from glance.api.v2 import policy as api_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.gateway
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from glance.i18n import _
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import glance.notifier
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LOG = logging.getLogger(__name__)
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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.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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api_policy.ImageAPIPolicy(req.context, image,
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self.policy).modify_image()
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image.tags.add(tag_value)
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image_repo.save(image)
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except exception.NotFound:
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msg = _("Image %s not found.") % image_id
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LOG.warning(msg)
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raise webob.exc.HTTPNotFound(explanation=msg)
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except exception.Forbidden:
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msg = _("Not allowed to update tags for image %s.") % image_id
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LOG.warning(msg)
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raise webob.exc.HTTPForbidden(explanation=msg)
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except exception.Invalid as e:
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msg = (_("Could not update image: %s")
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% encodeutils.exception_to_unicode(e))
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LOG.warning(msg)
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raise webob.exc.HTTPBadRequest(explanation=msg)
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except exception.ImageTagLimitExceeded as e:
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msg = (_("Image tag limit exceeded for image %(id)s: %(e)s:")
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% {"id": image_id,
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"e": encodeutils.exception_to_unicode(e)})
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LOG.warning(msg)
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raise webob.exc.HTTPRequestEntityTooLarge(explanation=msg)
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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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api_policy.ImageAPIPolicy(req.context, image,
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self.policy).modify_image()
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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:
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msg = _("Image %s not found.") % image_id
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LOG.warning(msg)
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raise webob.exc.HTTPNotFound(explanation=msg)
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except exception.Forbidden:
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msg = _("Not allowed to delete tags for image %s.") % image_id
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LOG.warning(msg)
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raise webob.exc.HTTPForbidden(explanation=msg)
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class ResponseSerializer(wsgi.JSONResponseSerializer):
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def update(self, response, result):
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response.status_int = http.NO_CONTENT
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def delete(self, response, result):
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response.status_int = http.NO_CONTENT
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class RequestDeserializer(wsgi.JSONRequestDeserializer):
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def update(self, request):
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try:
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schema = v2_api.get_schema()
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schema_format = {"tags": [request.urlvars.get('tag_value')]}
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schema.validate(schema_format)
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except exception.InvalidObject as e:
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raise webob.exc.HTTPBadRequest(explanation=e.msg)
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return super(RequestDeserializer, self).default(request)
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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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deserializer = RequestDeserializer()
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controller = Controller()
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return wsgi.Resource(controller, deserializer, serializer)
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