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express-aliyun-log

v0.3.0

Published

Aliyun Log Service middleware for Express.js

Downloads

8

Readme

express-aliyun-log

阿里云日志服务的express中间件,快速配置express应用接入阿里云日志服务

基本用法

const express = require('express');
const bodyParser = require('body-parser');
const logger = require('express-aliyun-log');

const app = express();
app.use(bodyParser.json());
logger(app, options);   // options见下文说明

app.get('/get', function (req, res) {
    res.send('Hello World!');
});

app.post('/post', function (req, res) {
    res.json({
        foo: 'bar'
    });
});

配置

const options = {
    accessKeyId: 'LTAxxxxxxxxd62',
    secretAccessKey: '09r8xxxxxxxxxxxoFKeC',
    endpoint: 'http://us-west-1.log.aliyuncs.com',  // 见下面的详细说明
    project: 'projectName', // 日志服务的project
    store: 'storeName',   // 日志服务的store
    outputError: false, // 是否显示日志推送失败的错误消息,默认false,
    maxBodyLength: 1000,    // 最大的body长度,默认1000字符(response)
    outputMode: 'standard', // 日志输出模式,standard默认,向阿里云日志服务提交,可选debug,由console显示,none不显示
}

查看endpoint列表

记录值

一次请求最多可能包含4条日志,用topic区分,并且拥有相同的requestId

  1. BASIC 基本的请求记录
  2. QUERY 链接上的参数,为方便索引,单独拉出一条
  3. BODY 请求body,需要自行通过bodyParser等中间件解析,没有的话不记录
  4. RESPONSE 请求的返回值(只有通过res.json的返回才会记录)
__source__:  
__topic__:  BASIC
method:  POST
path:  /post
remoteAddress:  ::ffff:127.0.0.1
requestId:  cf71e53c-86bb-4c2d-9b94-61cdc6aca8f8
responseStatus:  200
responseTime:  2.137ms
time:  2018-09-28T07:08:10.544Z

__source__:  
__topic__:  BODY
foo:  bar
nested:  {"foz":"baz"}
requestId:  cf71e53c-86bb-4c2d-9b94-61cdc6aca8f8

__source__:  
__topic__:  QUERY
foo:  bar
foz:  baz
requestId:  cf71e53c-86bb-4c2d-9b94-61cdc6aca8f8

__source__:  
__topic__:  RESPONSE
foo:  bar
requestId:  cf71e53c-86bb-4c2d-9b94-61cdc6aca8f8

License

MIT © Wang Sijie