stacksight/core_modules/sessions.js

stacksight node support

'use strict';

var os = require('os');

module.exports = function(StackSight, sts) {

    function Sessions() {
        // this.git = 'http://......',
        // this.
    };

    Sessions.prototype.up = function() {

        sts.index('sessions/session', {
            action: 'up',
            loadavg: os.loadavg(),
            freemem: os.freemem(),
            totalmem: os.totalmem(),
            cpus: os.cpus()
        });
    };

    function exitHandler(options, err) {

        sts.index('sessions/session', {
            action: 'down',
            err: err
        });
        setTimeout(function() {
            if (options.cleanup) console.log('clean');
            if (err) console.log(err.stack);
            if (options.exit) process.exit();
        }, 100);
    }

    //do something when app is closing
    process.on('exit', exitHandler.bind(null, { cleanup: true }));
    process.on('error', exitHandler.bind(null, { cleanup: true }));


    //catches ctrl+c event
    process.on('SIGINT', exitHandler.bind(null, { exit: true }));

    //catches uncaught exceptions
    process.on('uncaughtException', exitHandler.bind(null, { exit: true }));

    StackSight.prototype.sessions = new Sessions();
};