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OpenStack Study: versions.py**** CubicPower OpenStack Study ****
# Copyright 2012 OpenStack Foundation. # All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import httplib from oslo.config import cfg import webob.dec from glance.common import wsgi from glance.openstack.common import jsonutils CONF = cfg.CONF
**** CubicPower OpenStack Study **** class Controller(object): """A wsgi controller that reports which API versions are supported."""
**** CubicPower OpenStack Study **** def index(self, req): """Respond to a request for all OpenStack API versions.""" def build_version_object(version, path, status): return { 'id': 'v%s' % version, 'status': status, 'links': [ { 'rel': 'self', 'href': '%s/%s/' % (req.host_url, path), }, ], } version_objs = [] if CONF.enable_v2_api: version_objs.extend([ build_version_object(2.2, 'v2', 'CURRENT'), build_version_object(2.1, 'v2', 'SUPPORTED'), build_version_object(2.0, 'v2', 'SUPPORTED'), ]) if CONF.enable_v1_api: version_objs.extend([ build_version_object(1.1, 'v1', 'CURRENT'), build_version_object(1.0, 'v1', 'SUPPORTED'), ]) response = webob.Response(request=req, status=httplib.MULTIPLE_CHOICES, content_type='application/json') response.body = jsonutils.dumps(dict(versions=version_objs)) return response @webob.dec.wsgify(RequestClass=wsgi.Request)
**** CubicPower OpenStack Study **** def build_version_object(version, path, status): return { 'id': 'v%s' % version, 'status': status, 'links': [ { 'rel': 'self', 'href': '%s/%s/' % (req.host_url, path), }, ], } version_objs = [] if CONF.enable_v2_api: version_objs.extend([ build_version_object(2.2, 'v2', 'CURRENT'), build_version_object(2.1, 'v2', 'SUPPORTED'), build_version_object(2.0, 'v2', 'SUPPORTED'), ]) if CONF.enable_v1_api: version_objs.extend([ build_version_object(1.1, 'v1', 'CURRENT'), build_version_object(1.0, 'v1', 'SUPPORTED'), ]) response = webob.Response(request=req, status=httplib.MULTIPLE_CHOICES, content_type='application/json') response.body = jsonutils.dumps(dict(versions=version_objs)) return response @webob.dec.wsgify(RequestClass=wsgi.Request)
**** CubicPower OpenStack Study **** def __call__(self, req): return self.index(req) def create_resource(conf): return wsgi.Resource(Controller())
**** CubicPower OpenStack Study **** def create_resource(conf): return wsgi.Resource(Controller())
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