| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| # |
| |
| from skywalking import Layer, Component, config |
| from skywalking.trace.carrier import Carrier |
| from skywalking.trace.context import get_context, NoopContext |
| from skywalking.trace.span import NoopSpan |
| from skywalking.trace.tags import TagHttpMethod, TagHttpURL, TagHttpStatusCode, TagHttpParams |
| |
| link_vector = ['https://www.djangoproject.com/'] |
| support_matrix = { |
| 'django': { |
| '>=3.7': ['3.2'], |
| # ">=3.8": ["4.0a1"] # expected Dec 2021 |
| } |
| } |
| note = """""" |
| |
| |
| def install(): |
| from django.core.handlers.base import BaseHandler |
| from django.core.handlers import exception |
| |
| _get_response = BaseHandler.get_response |
| _handle_uncaught_exception = exception.handle_uncaught_exception |
| |
| def _sw_get_response(this, request): |
| if request is None: |
| resp = _get_response(this, request) |
| return resp |
| |
| carrier = Carrier() |
| method = request.method |
| |
| for item in carrier: |
| # Any HTTP headers in the request are converted to META keys by converting all characters to uppercase, |
| # replacing any hyphens with underscores and adding an HTTP_ prefix to the name. |
| # https://docs.djangoproject.com/en/3.0/ref/request-response/#django.http.HttpRequest.META |
| sw_http_header_key = f"HTTP_{item.key.upper().replace('-', '_')}" |
| if sw_http_header_key in request.META: |
| item.val = request.META[sw_http_header_key] |
| |
| span = NoopSpan(NoopContext()) if config.ignore_http_method_check(method) \ |
| else get_context().new_entry_span(op=request.path, carrier=carrier) |
| |
| with span: |
| span.layer = Layer.Http |
| span.component = Component.Django |
| span.peer = f"{request.META.get('REMOTE_ADDR')}:{request.META.get('REMOTE_PORT') or '80'}" |
| |
| span.tag(TagHttpMethod(method)) |
| span.tag(TagHttpURL(request.build_absolute_uri().split('?')[0])) |
| |
| # you can get request parameters by `request.GET` even though client are using POST or other methods |
| if config.plugin_django_collect_http_params and request.GET: |
| span.tag(TagHttpParams(params_tostring(request.GET)[0:config.plugin_http_http_params_length_threshold])) |
| |
| resp = _get_response(this, request) |
| span.tag(TagHttpStatusCode(resp.status_code)) |
| if resp.status_code >= 400: |
| span.error_occurred = True |
| return resp |
| |
| def _sw_handle_uncaught_exception(request, resolver, exc_info): |
| if exc_info is not None: |
| entry_span = get_context().active_span |
| if entry_span is not None: |
| entry_span.raised() |
| |
| return _handle_uncaught_exception(request, resolver, exc_info) |
| |
| BaseHandler.get_response = _sw_get_response |
| exception.handle_uncaught_exception = _sw_handle_uncaught_exception |
| |
| |
| def params_tostring(params): |
| return '\n'.join([f"{k}=[{','.join(params.getlist(k))}]" for k, _ in params.items()]) |