97 lines
3.3 KiB
Python
97 lines
3.3 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_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 glare.api.v1 import api_version_request
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from glare.i18n import _
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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/Glare versions response.
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This is the public url endpoint that will appear in the Glance/Glare
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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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Services which consume this:
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* glare
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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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class Controller(object):
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"""A controller that reports which API versions are supported."""
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@staticmethod
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def index(req, is_multi):
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"""Respond to a request for all OpenStack API versions.
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:param is_multi: defines if multiple choices should be response status
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or not
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:param req: user request object
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:return list of supported API versions
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"""
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def build_version_object(max_version, min_version, status, path=None):
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url = CONF.public_endpoint or req.host_url
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return {
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'id': 'v%s' % max_version,
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'links': [
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{
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'rel': 'self',
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'href': '%s/%s/' % (url, path) if path else
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'%s/' % url,
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},
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],
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'status': status,
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'min_version': min_version,
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'version': max_version
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}
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microv_max = api_version_request.APIVersionRequest.max_version()
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microv_min = api_version_request.APIVersionRequest.min_version()
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version_objs = [build_version_object(0.1, 0.1, 'EXPERIMENTAL', 'v0.1'),
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build_version_object(microv_max.get_string(),
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microv_min.get_string(),
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'EXPERIMENTAL')]
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return_status = (http_client.MULTIPLE_CHOICES if is_multi else
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http_client.OK)
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response = webob.Response(request=req,
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status=return_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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