用nodejs写一个ddns服务

// https://hpdell.github.io/%E7%BC%96%E7%A8%8B/nodejs-ddns/index.html
// Node.js 实现阿里云域名的动态解析

const Core = require('@alicloud/pop-core');
const moment = require('moment');

let newIP = "127.0.0.1";
const RecordId = ''//对应域名的RecordId 通过OpenAPI Explorer（https://api.aliyun.com/#/）-云解析-DescribeDomainRecords直接获取即可
const RR = ''//对应域名前缀 如aaa.example.com的aaa
const accessKeyId = ''//调用阿里云api所需，请自行前往控制台获取
const accessKeySecret = ''//调用阿里云api所需，请自行前往控制台获取

let client = new Core({
  accessKeyId,
  accessKeySecret,
  endpoint: 'https://alidns.aliyuncs.com',
  apiVersion: '2015-01-09'
});

let describeDomainRecordInfoParams = {
  RecordId
};

let updateDomainRecordParams = {
  RecordId,
  RR, //需要更改的域名记录
  Type: "A" //更改的类型
}

let requestOption = {
  method: 'POST'
}
const publicIp = require('public-ip');
const t = 3600000
console.log(`动态域名解析服务启动成功！检测间隔:${t / 1000 / 60}min`);
console.log(`现在时间:${moment().format("YYYY-MM-DD HH:mm:ss")}，开始第一次更新`);
if (!accessKeyId || !accessKeySecret) {
  console.log('请填写accessKeyId和accessKeySecret后再运行本程序！');
  return
}
if (!RecordId) {
  console.log('请填写RecordId后再运行本程序！');
  return
}
if (!RR) {
  console.log('请填写需要更改的域名记录后再运行本程序！');
  return
}
check()
// 一小时查询一次3600000
clearInterval(timer)
var timer = setInterval(() => {
  console.log(`本次检测时间:${moment().format("YYYY-MM-DD HH:mm:ss")}`);
  check()
}, t);

function check() {
  publicIp.v4().then(ip => {
    if (ip) {
      newIP = ip
      console.log('本机IP:' + ip);
      client.request("DescribeDomainRecordInfo", describeDomainRecordInfoParams, requestOption).then((result) => {
        var oldIP = result.Value;
        console.log('当前域名IP为:' + oldIP);
        if (oldIP != newIP) {
          console.log(`检测到IP不一致!旧：${oldIP}，新：${newIP}，开始更新`);
          updateDomainRecordParams = {
            ...updateDomainRecordParams,
            "Value": newIP
          };
          client.request("UpdateDomainRecord", updateDomainRecordParams, requestOption).then(() => {
            console.log('更新成功，新IP为:' + newIP);
            // process.exit(0);
          }).catch((reason) => {
            console.error("更新IP失败，原因:", reason);
            // process.exit(1);
          });
        } else {
          console.log(`IP无更改，本次跳过`);
        }
      }).catch((reason) => {
        console.error("获取域名IP失败，原因:", reason);
        // process.exit(1);
      })
    }
  });
}

{
  "name": "ddns",
  "version": "1.0.0",
  "description": "ddns",
  "main": "index.js",
  "scripts": {
    "start": "cross-env NODE_ENV=dev nodemon index.js ",
    "build": "npm i  && cross-env NODE_ENV=prod pm2 start index.js -n ddns && pm2 logs ddns",
    "rebuild":"pm2 delete ddns && npm i  && cross-env NODE_ENV=prod pm2 start index.js -n ddns && pm2 logs ddns",
    "reload":"pm2 reload ddns && pm2 logs ddns"
  },
  "author": "sola",
  "license": "ISC",
  "dependencies": {
    "@alicloud/pop-core": "^1.7.7",
    "axios": "^0.19.0",
    "moment": "^2.24.0",
    "public-ip": "^3.2.0"
  },
  "devDependencies": {
    "cross-env": "^6.0.0",
    "nodemon": "^1.19.2"
  }
}