56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
# Copyright 2013 Red Hat, Inc.
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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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"""
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RPC Controller
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"""
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from oslo.config import cfg
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from glance.common import rpc
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from glance.common import wsgi
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import glance.db
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import glance.openstack.common.log as logging
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class Controller(rpc.Controller):
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def __init__(self, raise_exc=False):
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super(Controller, self).__init__(raise_exc)
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# NOTE(flaper87): Avoid using registry's db
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# driver for the registry service. It would
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# end up in an infinite loop.
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if CONF.data_api == "glance.db.registry.api":
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msg = _("Registry service can't use %s") % CONF.data_api
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raise RuntimeError(msg)
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# NOTE(flaper87): Register the
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# db_api as a resource to expose.
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db_api = glance.db.get_api()
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self.register(glance.db.unwrap(db_api))
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def create_resource():
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"""Images resource factory method."""
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deserializer = rpc.RPCJSONDeserializer()
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serializer = rpc.RPCJSONSerializer()
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return wsgi.Resource(Controller(), deserializer, serializer)
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