{ [Error: connect ECONNREFUSED 127.0.0.1:3306]
  code: 'ECONNREFUSED',
  errno: 'ECONNREFUSED',
  syscall: 'connect',
  address: '127.0.0.1',
  port: 3306,
  fatal: true }

var mysqlHost = process.env.OPENSHIFT_MYSQL_DB_HOST || 'localhost';
var mysqlPort = process.env.OPENSHIFT_MYSQL_DB_PORT || 3306;
var mysqlUser = '***'; //mysql username
var mysqlPass = '***'; //mysql password
var mysqlDb   = 'node'; //mysql database name
var mysqlString = 'mysql://'   + mysqlUser + ':' + mysqlPass + '@' + mysqlHost + ':' + mysqlPort + '/' + mysqlDb;

var mysqlClient = mysql.createConnection(mysqlString);
mysqlClient.connect(function(err){
  if (err) console.log(err);
  else console.log("Connected");
});