1 # Copyright (c) 2017-2018 VMware, 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.
15 from onaplogging.mdcContext import MDC
16 from multivimbroker.pub.config.config import SERVICE_NAME
17 from multivimbroker.pub.config.config import FORWARDED_FOR_FIELDS
20 class LogContextMiddleware(object):
22 # the last IP behind multiple proxies, if no exist proxies
24 def _getLastIp(self, request):
28 for field in FORWARDED_FOR_FIELDS:
29 if field in request.META:
30 if ',' in request.META[field]:
31 parts = request.META[field].split(',')
32 ip = parts[-1].strip().split(":")[0]
34 ip = request.META[field].split(":")[0]
37 ip = request.META.get("HTTP_HOST").split(":")[0]
44 def process_request(self, request):
46 # Fetch TRANSACTIONID Id and pass to plugin server
47 ReqeustID = request.META.get("HTTP_X_TRANSACTIONID", None)
49 ReqeustID = str(uuid.uuid3(uuid.NAMESPACE_URL, SERVICE_NAME))
50 request.META["HTTP_X_TRANSACTIONID"] = ReqeustID
51 MDC.put("requestID", ReqeustID)
52 # generate the unique id
53 InovocationID = str(uuid.uuid4())
54 MDC.put("invocationID", InovocationID)
55 MDC.put("serviceName", SERVICE_NAME)
57 MDC.put("serviceIP", self._getLastIp(request))
61 def process_response(self, request, response):