httpha is a simple client-side load balance and HA module.
var httpha = require('httpha');
var ha = httpha.create({
'interval' : 1000,
}, httpha.httpStatusChecker('/status', {
'timeout' : 1000,
}));
ha.add({'hostname' : '127.0.0.1', 'port' : 8080});
ha.add({'hostname' : '127.0.0.2', 'port' : 8080});
ha.add({'hostname' : '127.0.0.1', 'port' : 8081});
console.log(ha.fetch());
console.log(ha.fetch());MIT