diff options
| -rw-r--r-- | newton/newton/middleware.py | 65 | ||||
| -rw-r--r-- | newton/newton/settings.py | 1 | ||||
| -rw-r--r-- | newton/requirements.txt | 2 |
3 files changed, 67 insertions, 1 deletions
diff --git a/newton/newton/middleware.py b/newton/newton/middleware.py new file mode 100644 index 00000000..f2618e06 --- /dev/null +++ b/newton/newton/middleware.py @@ -0,0 +1,65 @@ +# Copyright (c) 2017-2018 Wind River Systems, Inc. +# +# 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. + +import uuid +from django.conf import settings +from onaplogging.mdcContext import MDC + +FORWARDED_FOR_FIELDS = ["HTTP_X_FORWARDED_FOR", "HTTP_X_FORWARDED_HOST", + "HTTP_X_FORWARDED_SERVER"] + +class LogContextMiddleware(object): + + # the last IP behind multiple proxies, if no exist proxies + # get local host ip. + def _getLastIp(self, request): + + ip = "" + try: + for field in FORWARDED_FOR_FIELDS: + if field in request.META: + if ',' in request.META[field]: + parts = request.META[field].split(',') + ip = parts[-1].strip().split(":")[0] + else: + ip = request.META[field].split(":")[0] + + if ip == "": + ip = request.META.get("HTTP_HOST").split(":")[0] + + except Exception: + pass + + return ip + + + def process_request(self, request): + # fetch propageted Id from other component. if do not fetch id, + # generate one. + ReqeustID = request.META.get("HTTP_X_TRANSACTIONID", None) + if ReqeustID is None: + ReqeustID = str(uuid.uuid3(uuid.NAMESPACE_URL, settings.MULTIVIM_VERSION)) + MDC.put("requestID", ReqeustID) + # generate the reqeust id + InvocationID = str(uuid.uuid4()) + MDC.put("invocationID", InvocationID) + MDC.put("serviceName", settings.MULTIVIM_VERSION) + MDC.put("serviceIP", self._getLastIp(request)) + return None + + def process_response(self, request, response): + + MDC.clear() + return response + diff --git a/newton/newton/settings.py b/newton/newton/settings.py index a3fb9b41..2e004f1f 100644 --- a/newton/newton/settings.py +++ b/newton/newton/settings.py @@ -62,6 +62,7 @@ MIDDLEWARE_CLASSES = [ 'django.contrib.auth.middleware.SessionAuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', + 'newton.middleware.LogContextMiddleware', ] ROOT_URLCONF = 'newton.urls' diff --git a/newton/requirements.txt b/newton/requirements.txt index 5eb0f365..e90fefbe 100644 --- a/newton/requirements.txt +++ b/newton/requirements.txt @@ -22,5 +22,5 @@ mock==2.0.0 unittest_xml_reporting==1.12.0 # for onap logging -onappylog>=1.0.5 +onappylog>=1.0.6 |