我正在尝试使用 aws-xray-sdk 来获取我的应用程序的痕迹,
我写了三个API,
1. 调用 AWS S3 服务 (/traceS3)
2. 对外部端点进行 HTTP 调用,即。 google.com (/traceHttp)
3. 对本地安装的 MySql 数据库进行数据库调用 (/traceMysql)
还安装了 AWS X-Ray Daemon locally
并使用 aws-cli
进行 AWS 配置,然后使用以下命令运行守护程序(我使用的是 Ubuntu)-
/usr/bin/xray -o -n ap-southeast-2
我指的是以下资源 -
1.aws x-ray tracing breaks on outgoing requests in Node.js
2.https://docs.aws.amazon.com/xray/latest/devguide/xray-sdk-nodejs-httpclients.html
守护进程成功运行,但未发送所有 API 的数据,
它仅发送 /traceS3
和 /traceMysql
API 的数据。
以下是运行代码-
var AWSXRay = require('aws-xray-sdk');
var AWS = AWSXRay.captureAWS(require('aws-sdk'));
var mysql = AWSXRay.captureMySQL(require('mysql'));
var express = require('express');
var app = express();
var http = AWSXRay.captureHTTPs(require('http'));
app.use(AWSXRay.express.openSegment('X-Ray-Node-Example'));
AWS.config.update({region: 'ap-southeast-2'});
s3 = new AWS.S3({apiVersion: '2006-03-01'});
var con = mysql.createConnection({
host: "localhost",
user: "root",
password: "root",
database: "nodejs",
port: 3306
});
con.connect(function (err) {
if (err) throw err
});
app.get('/traceS3', function(req,res){
// Call S3 to list current buckets
s3.listBuckets(function(err, data) {
if (err) {
console.log("Error", err);
res.send(err);
} else {
res.send(data.Buckets);
}
});
});
app.get('/traceHttp', function (req, res) {
console.log("traceHttp called!\n"+req);
http.get("http://jsonplaceholder.typicode.com/todos/1", (resp) => {
console.log(resp);
res.send("googlefetched")
});
});
app.get('/traceMysql', function (req, res) {
console.log("traceMysql called!\n"+req);
var start = Date.now();
var query = con.query('SELECT * FROM customer', function (err, rows, fields) {
if (err) {
console.log("Error Selecting : %s ", err);
}
else {
var resp = [];
function Person(id, name) {
this.id = id;
this.name = name;
}
for (var i = 0; i < rows.length; i++) {
var id = rows[i].id;
var name = rows[i].name;
resp.push(new Person(id, name));
}
var end = Date.now();
res.send(JSON.stringify({ "status": 200, "error": null, "response": resp, "requestTime": end - start }));
}
});
});
app.use(AWSXRay.express.closeSegment());
var server = app.listen(8085, function () {
var host = server.address().address
var port = server.address().port
console.log("Example app listening at http://%s:%s", host, port)
});
有人可以帮忙修复代码吗?
最佳答案
这些症状似乎与据报道在 v1.2.0 中修复的错误类似
HTTP Patcher leaks response & stalls segments if no other response listener is supplied
关于node.js - 如何在 NodeJs 中使用 AWS X-Ray?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53315914/