Container Infrastructure Management Service for OpenStack
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# 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.
from oslo_serialization import jsonutils
from webob import exc
class HTTPNotAcceptableAPIVersion(exc.HTTPNotAcceptable):
# subclass of :class:`~HTTPNotAcceptable`
#
# This indicates the resource identified by the request is only
# capable of generating response entities which have content
# characteristics not acceptable according to the accept headers
# sent in the request.
#
# code: 406, title: Not Acceptable
#
# differences from webob.exc.HTTPNotAcceptable:
#
# - additional max and min version parameters
# - additional error info for code, title, and links
code = 406
title = 'Not Acceptable'
max_version = ''
min_version = ''
def __init__(self, detail=None, headers=None, comment=None,
body_template=None, max_version='', min_version='', **kw):
super(HTTPNotAcceptableAPIVersion, self).__init__(
detail=detail, headers=headers, comment=comment,
body_template=body_template, **kw)
self.max_version = max_version
self.min_version = min_version
def __call__(self, environ, start_response):
for err_str in self.app_iter:
err = {}
try:
err = jsonutils.loads(err_str.decode('utf-8'))
except ValueError:
pass
links = {'rel': 'help', 'href': 'http://docs.openstack.org'
'/api-guide/compute/microversions.html'}
err['max_version'] = self.max_version
err['min_version'] = self.min_version
err['code'] = "magnum.microversion-unsupported"
err['links'] = [links]
err['title'] = "Requested microversion is unsupported"
self.app_iter = [jsonutils.dump_as_bytes(err)]
self.headers['Content-Length'] = str(len(self.app_iter[0]))
return super(HTTPNotAcceptableAPIVersion, self).__call__(
environ, start_response)