/*───────────────────────────────────────────────────────────────────────────*\
│ Copyright (C) 2014 eBay Software Foundation │
│ │
│hh ,'""`. │
│ / _ _ \ Licensed under the Apache License, Version 2.0 (the "License"); │
│ |(@)(@)| you may not use this file except in compliance with the License. │
│ ) __ ( You may obtain a copy of the License at │
│ /,'))((`.\ │
│(( (( )) )) http://www.apache.org/licenses/LICENSE-2.0 │
│ `\ `)(' /' │
│ │
│ Unless required by applicable law or agreed to in writing, software │
│ distributed under the License is distributed on an "AS IS" BASIS, │
│ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. │
│ See the License for the specific language governing permissions and │
│ limitations under the License. │
\*───────────────────────────────────────────────────────────────────────────*/
'use strict';
var Os = require('os');
var Util = require('./util');
// XXX: This is NOT built to be used in a clustered scenario just yet.
var OS_STATS = ['hostname', 'loadavg', 'totalmem', 'freemem'];
var data = {
counters: {}
};
/**
* The HAPI request handler for serving stats.
* @param req
* @param reply
*/
exports.handler = function (req, reply) {
reply(data);
};
exports.increment = Util.init(data.counters, function (obj, prop) {
obj[prop] += 1;
});
exports.decrement = Util.maybe(data.counters, function (obj, prop) {
obj[prop] -= 1;
});
/**
* Manages aggregating all the relevant info
*/
(function calculate() {
OS_STATS.reduce(function (data, stat) {
data[stat] = Os[stat]();
return data;
}, data);
data.memoryUsage = process.memoryUsage();
setTimeout(calculate, 5000).unref();
})();
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