vmware-nsx/neutron/openstack/common/middleware/request_id.py
Akihiro Motoki 5ae3e72c1f Return request-id in API response
Import RequestIdMiddleware from oslo which ensures to request-id
in API response. CatchErrorsMiddleware is also imported to ensure
all internal exceptions are caught outermost.
api-paste.ini is updated to use them.

KeystonAuthContext middleware is updated so that it uses
request-id generated by RequestIdMiddleware.

Add middleware to openstack.conf and import all modules
under middleware directory from oslo.

DocImpact UpgradeImpact
This patch adds new WSGI middlewares "request_id" and "catch_errors".
They needs to be added to api-paste.ini when upgrading.

Change-Id: Icf01b7de697ef50bef53212da2cf520d1ff78b88
Closes-Bug: #1239923
2014-02-10 04:58:38 +09:00

39 lines
1.3 KiB
Python

# Copyright (c) 2013 NEC Corporation
# 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.
"""Middleware that ensures request ID.
It ensures to assign request ID for each API request and set it to
request environment. The request ID is also added to API response.
"""
from neutron.openstack.common import context
from neutron.openstack.common.middleware import base
ENV_REQUEST_ID = 'openstack.request_id'
HTTP_RESP_HEADER_REQUEST_ID = 'x-openstack-request-id'
class RequestIdMiddleware(base.Middleware):
def process_request(self, req):
self.req_id = context.generate_request_id()
req.environ[ENV_REQUEST_ID] = self.req_id
def process_response(self, response):
response.headers.add(HTTP_RESP_HEADER_REQUEST_ID, self.req_id)
return response