Submit multiple http promised requests with retry

multi_request_retry.js

//demonstrates how to submit multiple http requests, while making sure each is resilient to transient errors using retries

var Promise = require('bluebird');
var rp = require('request-promise');
var retry = require('bluebird-retry');

var createPromise = function(i) {
	return retry(function () {
            return rp('http://localhost:8000?q='+i).promise();
        }, {
            max_tries: 5,
            interval: 1000,
	    backoff: 2,
	    predicate: function(err) {
                return err.statusCode == 503;
            }
        }).reflect();
};

var requests = [];
for (var i = 0; i < 3; i++) {
    requests.push(createPromise(i));
}


Promise.all(requests).each(function(i) {
    if (i.isFulfilled()) {
        console.log('Success!');
    }
    else {
        console.log('Fail...');
    }
});