uriel/app/monitors/diskio.js

A NodeJS statsd agent to push memory, cpu, network, swap, diskio, and disk usage over UDP

// app/monitors/diskio.js

const si = require('systeminformation');
const Monitor = require('../lib/monitor');

class DiskIOMonitor extends Monitor {
  constructor(statsFactory) {
    super('diskio', statsFactory);
  }

  collect() {
    si
      .disksIO()
      .then((data) => {
        this.setStats(this.bundleStats({
          io_time: data.ms,
          iops_in_progress: data.tIO,
          weighted_io_time: data.tIO_sec,
          read_bytes: data.rIO,
          read_time: data.rIO_sec,
          write_bytes: data.wIO,
          write_time: data.wIO_sec
        }));
      })
      .catch((err) => {
        this.log.error(err.stack || err);
      });
  }
}

module.exports = DiskIOMonitor;