__                __           __                                       _ __
   ____  ____  ____/ /__        _____/ /_  _______/ /____  _____      ___  ____ ___  ____ _(_) /
  / __ \/ __ \/ __  / _ \______/ ___/ / / / / ___/ __/ _ \/ ___/_____/ _ \/ __ `__ \/ __ `/ / /
 / / / / /_/ / /_/ /  __/_____/ /__/ / /_/ (__  ) /_/  __/ /  /_____/  __/ / / / / / /_/ / / /
/_/ /_/\____/\__,_/\___/      \___/_/\__,_/____/\__/\___/_/         \___/_/ /_/ /_/\__,_/_/_/

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

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

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

const cluster = require('cluster')
const cpu = require ('os').cpus().length
const mail = require('node-cluster-mail')

/**
 * [if description]
 * @param  {[type]} cluster.isMaster [description]
 * @return {[type]}                  [description]
 */
if (cluster.isMaster) {
  // Fork workers.
  for (let i = 0; i < cpu; i++) {
    cluster.fork();
  }

  cluster.on('exit', function(worker, code, signal) {
    mail('[email protected]',{'from':'[email protected]','cc':'[email protected]'})
    console.log('worker ' + worker.process.pid + ' died');
  });

  cluster.on('fork', function(worker) {
  console.log(`workers: ${worker.id} worker.process.pid :${worker.process.pid}`)
});
} else {
  // Workers can share any TCP connection
  // In this service its a restify server
  require('./app')
}

License

MIT License

Copyright (c) 2016 Jack Sun

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.