114 lines
4.0 KiB
Python
114 lines
4.0 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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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_serialization import jsonutils
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from six.moves import http_client
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import webob.dec
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from glance.common import wsgi
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from glance.i18n import _, _LW
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versions_opts = [
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cfg.StrOpt('public_endpoint',
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help=_("""
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Public url endpoint to use for Glance versions response.
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This is the public url endpoint that will appear in the Glance
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"versions" response. If no value is specified, the endpoint that is
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displayed in the version's response is that of the host running the
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API service. Change the endpoint to represent the proxy URL if the
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API service is running behind a proxy. If the service is running
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behind a load balancer, add the load balancer's URL for this value.
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Possible values:
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* None
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* Proxy URL
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* Load balancer URL
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Related options:
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* None
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""")),
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]
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CONF = cfg.CONF
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CONF.register_opts(versions_opts)
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LOG = logging.getLogger(__name__)
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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, explicit=False):
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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(2.6, 'v2', 'CURRENT'),
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build_version_object(2.5, 'v2', 'SUPPORTED'),
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build_version_object(2.4, 'v2', 'SUPPORTED'),
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build_version_object(2.3, 'v2', 'SUPPORTED'),
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build_version_object(2.2, 'v2', 'SUPPORTED'),
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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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LOG.warn(_LW('The Images (Glance) v1 API is deprecated and will '
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'be removed on or after the Pike release, following '
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'the standard OpenStack deprecation policy. '
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'Currently, the solution is to set '
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'enable_v1_api=False and enable_v2_api=True in your '
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'glance-api.conf file. Once those options are '
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'removed from the code, Images (Glance) v2 API will '
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'be switched on by default and will be the only '
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'option to deploy and use.'))
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version_objs.extend([
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build_version_object(1.1, 'v1', 'DEPRECATED'),
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build_version_object(1.0, 'v1', 'DEPRECATED'),
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])
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status = explicit and http_client.OK or http_client.MULTIPLE_CHOICES
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response = webob.Response(request=req,
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status=status,
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content_type='application/json')
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response.body = jsonutils.dump_as_bytes(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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