83 lines
2.7 KiB
Python
83 lines
2.7 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 httplib
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from oslo.config import cfg
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from oslo.serialization import jsonutils
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import webob.dec
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from glance.common import wsgi
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versions_opts = [
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cfg.StrOpt('public_endpoint', default=None,
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help=_('Public url to use for versions endpoint. The default '
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'is None, which will use the request\'s host_url '
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'attribute to populate the URL base. If Glance is '
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'operating behind a proxy, you will want to change '
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'this to represent the proxy\'s URL.')),
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]
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CONF = cfg.CONF
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CONF.register_opts(versions_opts)
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class Controller(object):
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"""A wsgi controller that reports which API versions are supported."""
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def index(self, req):
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"""Respond to a request for all OpenStack API versions."""
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def build_version_object(version, path, status):
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url = CONF.public_endpoint or req.host_url
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return {
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'id': 'v%s' % version,
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'status': status,
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'links': [
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{
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'rel': 'self',
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'href': '%s/%s/' % (url, path),
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},
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],
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}
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version_objs = []
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if CONF.enable_v2_api:
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version_objs.extend([
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build_version_object(2.2, 'v2', 'CURRENT'),
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build_version_object(2.1, 'v2', 'SUPPORTED'),
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build_version_object(2.0, 'v2', 'SUPPORTED'),
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])
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if CONF.enable_v1_api:
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version_objs.extend([
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build_version_object(1.1, 'v1', 'CURRENT'),
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build_version_object(1.0, 'v1', 'SUPPORTED'),
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])
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response = webob.Response(request=req,
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status=httplib.MULTIPLE_CHOICES,
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content_type='application/json')
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response.body = jsonutils.dumps(dict(versions=version_objs))
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return response
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@webob.dec.wsgify(RequestClass=wsgi.Request)
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def __call__(self, req):
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return self.index(req)
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def create_resource(conf):
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return wsgi.Resource(Controller())
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