worker.js

#!/usr/bin/env node

// load in the actionHero class
var actionHero = require(__dirname + "/../api.js").actionHero; // normally if installed by npm: var actionHero = require("actionHero").actionHero;
var cluster = require('cluster');

// if there is no config.js file in the application's root, then actionHero will load in a collection of default params.  You can overwrite them with params.configChanges
var params = {};
params.configChanges = {};

// any additional functions you might wish to define to be globally accessable can be added as part of params.initFunction.  The api object will be availalbe.
params.initFunction = function(api, next){
  next();
}

// start the server!
var startServer = function(next){
  if(cluster.isWorker){ process.send("starting"); }
  actionHero.start(params, function(api_from_callback){
    api = api_from_callback;
    api.log("Boot Sucessful @ worker #" + process.pid, "green");
    if(typeof next == "function"){
      if(cluster.isWorker){ process.send("started"); }
      next(api);
    }
  });
}

// handle signals from master if running in cluster
if(cluster.isWorker){
  process.on('message', function(msg) {
    if(msg == "start"){
      process.send("starting");
      startServer(function(){
        process.send("started");
      });
    }
    if(msg == "stop"){
      process.send("stopping");
      actionHero.stop(function(){
        api = null;
        process.send("stopped");
        process.exit();
      });
    }
    if(msg == "restart"){
      process.send("restarting");
      actionHero.restart(function(success, api_from_callback){
        api = api_from_callback;
        process.send("restarted");
      });
    }
  });
}

// start the server!
startServer(function(api){
  api.log("Successfully Booted!", ["green", "bold"]);
});