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distributed-trace-for-nodejs

v1.0.5

Published

this is a inner module of nodejs, record express route to zipkin

Downloads

7

Readme

本包用来对node的express项目进行zipkin跟踪。

使用方法:

1.添加npm包依赖

"distributed-trace-for-nodejs":"1.0.4"

2.添加代码

var zipkin = require("distributed-trace-for-nodejs");
zipkin.init({
    zipkinUrl : "http://172.19.100.22:9001",
    serviceName : "eageye_rest"
});

3.在合适的位置添加express路由

app.all("*" , zipkin.trace);

4.在向外部发送rest请求的请求头中添加spanid和traceid

requestHeaders = zipkin.toRequestHeader(req , requestHeaders);

其中req是express的request对象,requestHeaders是请求头对象

特殊说明:

init中支持的选项:

//服务器端口号,不传的时候使用 req.socket.localPort 获取
port : 80,
//是否在控制台上打印,方便调试
debugTrace : false,
//记录到zipkin的项目标识,一般写作xxx_rest,其中xxx是项目名
serviceName : "rest",
//zipkin的post接口地址
zipkinUrl : "http://172.19.100.22:9001"