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Linux 使用笔记

腾讯云轻量服务器定时创建快照

把下面的实例ID和secretId、secretKey替换就行了,这里是查询快照然后删除快照并新建一个快照。

由于腾讯云一个轻量只能有两个快照,我这里直接删除第二个快照,所以设置定时任务时,设置多久创建一次新快照都行。

// Depends on tencentcloud-sdk-nodejs version 4.0.3 or higher
const tencentcloud = require("tencentcloud-sdk-nodejs");

const LighthouseClient = tencentcloud.lighthouse.v20200324.Client;

const clientConfig = {
  credential: {
    secretId: "更改为账号secretId",
    secretKey: "更改为账号secretKey",
  },
  region: "ap-guangzhou",
  profile: {
    httpProfile: {
      endpoint: "lighthouse.tencentcloudapi.com",
    },
  },
};

const client = new LighthouseClient(clientConfig);

const chakan = {
  "Filters": [
    {
      "Name": "instance-id",
      "Values": [
        "更改为实例id"
      ]
    }
  ]
};

client.DescribeSnapshots(chakan).then(

  (data) => {

    shanchu_id = data.SnapshotSet[1].SnapshotId //数组的第二个

    const shanchu = {
      "SnapshotIds": [
        shanchu_id
      ]
    };

    client.DeleteSnapshots(shanchu).then(
      (data) => {

        console.log('删除一个旧快照成功');
        console.log(data);

        // 创建快照

        const chuangjian = {
          "InstanceId": "更改为实例id"
        };
        client.CreateInstanceSnapshot(chuangjian).then(
          (data) => {
            console.log('创建一个新快照成功');
            console.log(data);
          },
          (err) => {
            console.error("error", err);
          }
        );

      },
      (err) => {

        console.log('删除一个旧快照失败~~~~必须已有两个快照,才能删除第二个快照并创建新快照');
        console.error("error", err);
      }
    );

  },
  (err) => {

    console.log('查询旧快照失败');
    console.error("error", err);
  }
);

这里是查询一个轻量的流量使用情况,然后发邮件通知我。这里除了实例id和密钥要替换外,还要设置smtp信息。

// Depends on tencentcloud-sdk-nodejs version 4.0.3 or higher
const tencentcloud = require("tencentcloud-sdk-nodejs");

const LighthouseClient = tencentcloud.lighthouse.v20200324.Client;

const nodemailer = require('nodemailer'); //发送邮件的


function bytesToSize(bytes) {
  var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
  if (bytes == 0) return '0 Byte';
  var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
  return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
}

function sendEmail(data) {
  let transporter = nodemailer.createTransport({
    service: 'QQex', // 发送者的邮箱厂商,支持列表:https://nodemailer.com/smtp/well-known/ 如果是qq邮箱,就填QQ, QQex是腾讯企业邮
    port: 465, // SMTP 端口
    secureConnection: true, // SSL安全链接
    auth: {   //发送者的账户密码
      user: '账户', //账户
      pass: 'smtp授权码,到邮箱设置下获取', //smtp授权码,到邮箱设置下获取
    }
  });
  let mailOptions = {
    from: '"腾讯云轻量流量通知" <i@zuoridangnian.com>', // 发送者昵称和地址
    to: data.email, // 接收者的邮箱地址
    subject: data.subject, // 邮件主题
    html: data.content
  };
  //发送邮件
  transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
      return console.log(error);
    }
    console.log('邮件发送成功 ID:', info.messageId);
  });
}

const clientConfig = {
  credential: {
    secretId: "更改为账号secretId",
    secretKey: "更改为账号secretKey",
  },
  region: "ap-guangzhou",
  profile: {
    httpProfile: {
      endpoint: "lighthouse.tencentcloudapi.com",
    },
  },
};

const client = new LighthouseClient(clientConfig);
const params = {
  "InstanceIds": [
    "更改为实例id"
  ]
};

let Traffic

client.DescribeInstancesTrafficPackages(params).then(
  (data) => {
    Traffic = `使用了${bytesToSize(data.InstanceTrafficPackageSet[0].TrafficPackageSet[0].TrafficUsed)},总共有1000GB。`

    let mail = {
      email: '收件邮箱@qq.com', //收件邮箱
      content: `腾讯云轻量应用服务器 流量使用情况:${Traffic}`,
      subject: Traffic
    }

    sendEmail(mail)

  },
  (err) => {
    console.error("error", err);
  }
)

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