Munin DataLog API
var Munin = require('munin-log');
var munin = new Munin('munin-node.example.com');
munin.log('cpu').then(function(stats){
console.log(stats);
});
option = {
dir: '/var/lib/munin/com',
start: 'now-1day',
end: 'now',
type: 'MAX'
}
munin.log('cpu',option).then(function(stats){
console.log(stats);
});