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1                    __                __           __                                       _ __

2   ____  ____  ____/ /__        _____/ /_  _______/ /____  _____      ___  ____ ___  ____ _(_) /

3  / __ \/ __ \/ __  / _ \______/ ___/ / / / / ___/ __/ _ \/ ___/_____/ _ \/ __ `__ \/ __ `/ / /

4 / / / / /_/ / /_/ /  __/_____/ /__/ / /_/ (__  ) /_/  __/ /  /_____/  __/ / / / / / /_/ / / /

5/_/ /_/\____/\__,_/\___/      \___/_/\__,_/____/\__/\___/_/         \___/_/ /_/ /_/\__,_/_/_/

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A module for taking advantage of the built-in cluster module in node v0.8 and above.send email if cluster exception,you will recieve a detail email about worker exception.

Installation

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1npm install https://github.com/sunNode/node-cluster-email

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Usage

Initialize mail plugin with the given email(s), with the given options.

Options:

• from sender email
• timeout sendmail timeout in milliseconds
• subject defaulting to "cluster({worker}) exception: {message}"
• template function called with local variables (usually jade / ejs template etc)

Example

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1const cluster = require('cluster')

2const cpu = require ('os').cpus().length

3const mail = require('node-cluster-mail')

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5/**

6 * [if description]

7 * @param  {[type]} cluster.isMaster [description]

8 * @return {[type]}                  [description]

9 */

10if (cluster.isMaster) {

11  // Fork workers.

12  for (let i = 0; i < cpu; i++) {

13    cluster.fork();

14  }

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16  cluster.on('exit', function(worker, code, signal) {

17    mail('phonenix@gmail.com',{'from':'phonenix-test@gmail.com','cc':'phonenix-test2@gmail.com'})

18    console.log('worker ' + worker.process.pid + ' died');

19  });

20

21  cluster.on('fork', function(worker) {

22  console.log(`workers: ${worker.id} worker.process.pid :${worker.process.pid}`)

23});

24} else {

25  // Workers can share any TCP connection

26  // In this service its a restify server

27  require('./app')

28}

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Reference

node-cluster-email