| /*! |
| * |
| * 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 PluginInstaller from '../core/PluginInstaller'; |
| import SwPlugin, { wrapPromise } from '../core/SwPlugin'; |
| import { SpanLayer } from '../proto/language-agent/Tracing_pb'; |
| import Tag from '../Tag'; |
| import { Component } from '../trace/Component'; |
| import ContextManager from '../trace/context/ContextManager'; |
| |
| class IORedisPlugin implements SwPlugin { |
| readonly module = 'ioredis'; |
| readonly versions = '*'; |
| |
| install(installer: PluginInstaller): void { |
| const Redis = installer.require('ioredis'); |
| |
| this.interceptOperation(Redis, 'sendCommand'); |
| } |
| |
| interceptOperation(Cls: any, operation: string): void { |
| const _original = Cls.prototype[operation]; |
| |
| if (!_original) return; |
| |
| Cls.prototype[operation] = function (...args: any[]) { |
| const command = args[0]; |
| const host = `${this.options.host}:${this.options.port}`; |
| const span = ContextManager.current.newExitSpan(`redis/${command?.name}`, Component.REDIS); |
| |
| span.start(); |
| span.component = Component.REDIS; |
| span.layer = SpanLayer.CACHE; |
| span.peer = host; |
| span.tag(Tag.dbType('Redis')); |
| span.tag(Tag.dbInstance(`${this.condition.select}`)); |
| |
| try { |
| const ret = wrapPromise(span, _original.apply(this, args)); |
| span.async(); |
| return ret; |
| } catch (err) { |
| span.error(err); |
| span.stop(); |
| |
| throw err; |
| } |
| }; |
| } |
| } |
| |
| export default new IORedisPlugin(); |