Quick&Dirty script to get total disk usages of each account by crawling the Alwaysdata web administration

diskusage.js

/**
 * run:
 *   $ casperjs diskusage.js --user=myaccount --password=mypassword
 *
 * This script can lookup for env variables:
 *   ALWAYSDATA_USER
 *   ALWAYSDATA_PASSWORD
 */
var casper = require('casper').create({
    //verbose: true,
    //logLevel: "debug"
});
var system = require('system');
var utils = require('utils');

var user = casper.cli.has('user') ? casper.cli.get('user') : system.env.ALWAYSDATA_USER;
var password = casper.cli.has('password') ? casper.cli.get('password') : system.env.ALWAYSDATA_PASSWORD;

var accounts = [];
var diskUsages = [];

if (!user || !password) {
    casper.echo("Usage: casperjs diskusage.js --user=myaccount --password=mypassword");
    casper.exit();
}

function convertToMegaBytes(totalString) {
    var totalDiskSpace = totalString.replace('Total : ', '');
    var totals = totalDiskSpace.match(/([0-9,]+)\s([a-z]+)/i);

    if (totals.length > 0) {
        value = totals[1].replace(',', '.');
        value = parseFloat(value);

        units = totals[2];
        switch(units) {
            case 'Mio':
                totalDiskSpace = value;
                break;
            case 'octet':
                totalDiskSpace = value / 1024.0 / 1024.0;
                break;
            case 'Gio':
                totalDiskSpace = value * 1024.0;
                break;
        }
    } else {

       return 0;
    }

    return totalDiskSpace;
}

function getAccounts() {
    var accounts = document.querySelectorAll('#change-object optgroup[label="Comptes"] option');

    return Array.prototype.map.call(accounts, function(a) {
        return a.getAttribute('value');
    });
}

casper.start('https://admin.alwaysdata.com/login/', function() {
    this.echo('login...');

    this.fill('form[action="/login/"]', {
        login: user,
        password: password,
        alive: false
    }, true);
});

casper.thenOpen('https://admin.alwaysdata.com/usage/storage/', function() {
    this.echo("authenticated. Calculating total disk usage...");
    accounts = this.evaluate(getAccounts);

    casper.eachThen(accounts, function forEachAccountDo(response) {
        var account = response.data;

        // self.echo("calculating disk usage for " + account + " ...");
        casper.fill('#object-choice', {
            "change-object": account
        }, true);

        casper.then(function() {
            var totalDiskSpaceText = this.evaluate(function() {
                // there is jQuery on the page, so use it :)
                return $(".contentmenu.left ul li").last().text();
            });

            var totalDiskSpace = convertToMegaBytes(totalDiskSpaceText);

            diskUsages.push([account, totalDiskSpace]);
        });
    });
});

casper.run(function() {
    var self = this;
    // echo results in some pretty fashion
    this.echo(accounts.length + ' accounts found:');

    sorted = diskUsages.sort(function(a, b) { return b[1] - a[1]; });

    this.echo("List of account ordered:");
    this.echo("------------------------");

    var total = 0;
    sorted.forEach(function(item) {
        casper.echo(item[0] + ": " + item[1] + " MB");
        total = total + item[1];
    });

    this.echo('');
    this.echo('Total: '+ total + ' MB');
    this.echo('Total: '+ (total/1024) + ' GB');

    this.exit();
});