1 # Copyright (c) 2017-2018 ZTE, Inc.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at:
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 from onaplogging.mdcContext import MDC
16 from lcm.pub.config.config import FORWARDED_FOR_FIELDS, SERVICE_NAME
19 class LogContextMiddleware(object):
20 # the last IP behind multiple proxies, if no exist proxies
22 def _getLastIp(self, request):
26 for field in FORWARDED_FOR_FIELDS:
27 if field in request.META:
28 if ',' in request.META[field]:
29 parts = request.META[field].split(',')
30 ip = parts[-1].strip().split(":")[0]
32 ip = request.META[field].split(":")[0]
35 ip = request.META.get("HTTP_HOST").split(":")[0]
42 def process_request(self, request):
43 # Fetch TRANSACTIONID Id and pass to plugin server
44 ReqeustID = request.META.get("HTTP_X_TRANSACTIONID", None)
46 ReqeustID = uuid.uuid3(uuid.NAMESPACE_URL, SERVICE_NAME)
47 request.META["HTTP_X_TRANSACTIONID"] = ReqeustID
48 MDC.put("requestID", ReqeustID)
49 # generate the unique id
50 InovocationID = uuid.uuid3(uuid.NAMESPACE_DNS, SERVICE_NAME)
51 MDC.put("invocationID", InovocationID)
52 MDC.put("serviceName", SERVICE_NAME)
54 MDC.put("serviceIP", self._getLastIp(request))
58 def process_response(self, request, response):