mongo-metrics/scripts/dummy-data.js

Tracking Metrics with MongoDb

/*
	{
		name: "String",
		source: "String",
		value: "Number",
		date: Date
	}
*/

var metrics = {

	"chunk-streams": ["box1", "box2"],
	"mp3": ["box1", "box2"]
};


for(var metricName in metrics) {

	var startDate = new Date("2013 01 01 10:00");
	var sources = metrics[metricName];
	for(var lc=0; lc<1000; lc++) {

		sources.forEach(function(source) {

			var date = new Date(startDate.getTime()  + (1000 * 2 * (lc + 1)));
			var resolution = {
				y: date.getUTCFullYear(),
				mo: date.getUTCMonth(),
				d: date.getUTCDate(),
				h: date.getUTCHours(),
				m: date.getUTCMinutes(),
				s: roundToNear(date.getUTCSeconds(), 5) //with 5 sec resolution
			};

			var metric = {
				name: metricName,
				source: source,
				resolution: resolution,
				date: date,
				value: getRandom(10, 40, true)
			};

			db.metrics.insert(metric);

		})
	}
}

function getRandom(min, max, isInt) {

    var rand = Math.random() * (max-min);
    var val = min + rand;

    return (isInt)? Math.ceil(val): val;
}

function roundToNear (value, roundVal) {
	
	return ((value - (value % roundVal)) / roundVal) * roundVal;
}