| # |
| # 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.context import get_context |
| from skywalking.trace.tags import TagDbType, TagDbInstance, TagDbStatement, TagDbSqlParameters |
| |
| link_vector = ['https://mysqlclient.readthedocs.io/'] |
| support_matrix = { |
| 'mysqlclient': { |
| '>=3.7': ['2.1.*'] |
| } |
| } |
| note = """""" |
| |
| |
| def install(): |
| import wrapt |
| import MySQLdb |
| |
| _connect = MySQLdb.connect |
| |
| def _sw_connect(*args, **kwargs): |
| con = _connect(*args, **kwargs) |
| con.host = kwargs['host'] |
| if 'db' in kwargs: |
| con.db = kwargs['db'] |
| else: |
| con.db = kwargs['database'] |
| return ProxyConnection(con) |
| |
| class ProxyCursor(wrapt.ObjectProxy): |
| def __init__(self, cur): |
| wrapt.ObjectProxy.__init__(self, cur) |
| |
| self._self_cur = cur |
| |
| def __enter__(self): |
| return ProxyCursor(wrapt.ObjectProxy.__enter__(self)) |
| |
| def execute(self, query, args=None): |
| peer = f'{self.connection.host}:{self.connection.port}' |
| with get_context().new_exit_span(op='Mysql/MysqlClient/execute', peer=peer, |
| component=Component.MysqlClient) as span: |
| span.layer = Layer.Database |
| span.tag(TagDbType('mysql')) |
| span.tag(TagDbInstance((self.connection.db or ''))) |
| span.tag(TagDbStatement(query)) |
| |
| if config.plugin_sql_parameters_max_length and args: |
| parameter = ','.join([str(arg) for arg in args]) |
| max_len = config.plugin_sql_parameters_max_length |
| parameter = f'{parameter[0:max_len]}...' if len(parameter) > max_len else parameter |
| span.tag(TagDbSqlParameters(f'[{parameter}]')) |
| |
| return self._self_cur.execute(query, args) |
| |
| class ProxyConnection(wrapt.ObjectProxy): |
| def __init__(self, conn): |
| wrapt.ObjectProxy.__init__(self, conn) |
| |
| self._self_conn = conn |
| |
| def __enter__(self): |
| return ProxyConnection(wrapt.ObjectProxy.__enter__(self)) |
| |
| def cursor(self, cursorclass=None): |
| return ProxyCursor(self._self_conn.cursor(cursorclass)) |
| |
| MySQLdb.connect = _sw_connect |