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resilient.js
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resilient.js
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var cluster = require('cluster')
var chokidar = require('chokidar')
var touch = require('touch')
module.exports = function(deps) {
var flag = deps.restartFile();
return {
restart: function() {
touch.sync(flag)
console.log('touched '+flag)
},
spawn: function (work, noCluster) {
if (noCluster) return work();
if(cluster.isMaster){
watcher = chokidar.watch(flag)
cluster.on('online', function(worker) {
console.log(worker.process.pid +' forked')
watcher.removeAllListeners().on('change', function() {
console.log('restart flag touched')
worker.kill()
})
});
cluster.on('exit', function(worker, code, signal) {
console.log(worker.process.pid + ' died', code, signal);
cluster.fork()
});
cluster.fork();
} else {
work()
}
}
}
}