| # |
| # 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. |
| # |
| import logging |
| |
| 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 |
| |
| logger = logging.getLogger(__name__) |
| |
| # version_rule = { |
| # "name": "sanic", |
| # "rules": [">=20.3.0 <21.0.0"] |
| # } |
| |
| link_vector = ['https://sanic.readthedocs.io/en/latest'] |
| support_matrix = { |
| 'sanic': { |
| '>=3.10': [], # not supporting any version yet |
| '>=3.7': ['20.12'], # 21.9 Future LTS - Not supported by SW yet |
| } # TODO: add instrumentation for 21.9 (method signature change) remove - write_callback, stream_callback |
| } |
| note = """""" |
| |
| |
| def install(): |
| from sanic import Sanic, handlers, response |
| # TODO: format_http1_response is removed from response in later versions. |
| |
| _format_http1_response = response.format_http1_response |
| _handle_request = Sanic.handle_request |
| _handlers_ErrorHandler_response = handlers.ErrorHandler.response # noqa |
| |
| def _sw_format_http1_response(status: int, headers, body=b''): |
| if status is not None: |
| entry_span = get_context().active_span |
| if entry_span is not None and type(entry_span) is not NoopSpan: |
| if status >= 400: |
| entry_span.error_occurred = True |
| entry_span.tag(TagHttpStatusCode(status)) |
| |
| return _format_http1_response(status, headers, body) |
| |
| def _sw_handlers_ErrorHandler_response(self: handlers.ErrorHandler, req, e): # noqa |
| if e is not None: |
| entry_span = get_context().active_span |
| if entry_span is not None and type(entry_span) is not NoopSpan: |
| entry_span.raised() |
| |
| return _handlers_ErrorHandler_response(self, req, e) |
| |
| response.format_http1_response = _sw_format_http1_response |
| Sanic.handle_request = _gen_sw_handle_request(_handle_request) |
| handlers.ErrorHandler.response = _sw_handlers_ErrorHandler_response |
| |
| |
| def _gen_sw_handle_request(_handle_request): |
| from inspect import isawaitable |
| |
| def params_tostring(params): |
| return '\n'.join([f"{k}=[{','.join(params.getlist(k))}]" for k, _ in params.items()]) |
| |
| async def _sw_handle_request(self, request, write_callback, stream_callback): |
| req = request |
| carrier = Carrier() |
| method = req.method |
| |
| for item in carrier: |
| if item.key.capitalize() in req.headers: |
| item.val = req.headers[item.key.capitalize()] |
| |
| span = NoopSpan(NoopContext()) if config.ignore_http_method_check(method) \ |
| else get_context().new_entry_span(op=req.path, carrier=carrier) |
| |
| with span: |
| span.layer = Layer.Http |
| span.component = Component.Sanic |
| span.peer = f'{req.remote_addr or req.ip}:{req.port}' |
| span.tag(TagHttpMethod(method)) |
| span.tag(TagHttpURL(req.url.split('?')[0])) |
| if config.plugin_sanic_collect_http_params and req.args: |
| span.tag(TagHttpParams(params_tostring(req.args)[0:config.plugin_http_http_params_length_threshold])) |
| resp = _handle_request(self, request, write_callback, stream_callback) |
| if isawaitable(resp): |
| result = await resp |
| |
| return result |
| |
| return _sw_handle_request |