b6c4489960
Ensure each exported class has a docstring. Add API to the sphinx docs. Fix a few formatting issues so the rendered docs look OK. Change-Id: Ieef7bae3783a084249169fe9b80ab17518eee15f
28 lines
991 B
Python
28 lines
991 B
Python
# Copyright (c) 2013 Rackspace Hosting
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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 uuid
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from oslo.middleware import base
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class CorrelationId(base.Middleware):
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"Middleware that attaches a correlation id to WSGI request"
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def process_request(self, req):
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correlation_id = (req.headers.get("X_CORRELATION_ID") or
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str(uuid.uuid4()))
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req.headers['X_CORRELATION_ID'] = correlation_id
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