Example #1
0
func DiskIOMetrics() (L []*model.MetricValue) {

	dsList, err := nux.ListDiskStats()
	if err != nil {
		log.Println(err)
		return
	}

	for _, ds := range dsList {
		if !ShouldHandleDevice(ds.Device) {
			continue
		}

		device := "device=" + ds.Device

		L = append(L, CounterValue("disk.io.read_requests", ds.ReadRequests, device))
		L = append(L, CounterValue("disk.io.read_merged", ds.ReadMerged, device))
		L = append(L, CounterValue("disk.io.read_sectors", ds.ReadSectors, device))
		L = append(L, CounterValue("disk.io.msec_read", ds.MsecRead, device))
		L = append(L, CounterValue("disk.io.write_requests", ds.WriteRequests, device))
		L = append(L, CounterValue("disk.io.write_merged", ds.WriteMerged, device))
		L = append(L, CounterValue("disk.io.write_sectors", ds.WriteSectors, device))
		L = append(L, CounterValue("disk.io.msec_write", ds.MsecWrite, device))
		L = append(L, CounterValue("disk.io.ios_in_progress", ds.IosInProgress, device))
		L = append(L, CounterValue("disk.io.msec_total", ds.MsecTotal, device))
		L = append(L, CounterValue("disk.io.msec_weighted_total", ds.MsecWeightedTotal, device))
	}
	return
}
Example #2
0
func CheckCollector() {

	output := make(map[string]bool)

	_, procStatErr := nux.CurrentProcStat()
	_, listDiskErr := nux.ListDiskStats()
	ports, listeningPortsErr := nux.ListeningPorts()
	procs, psErr := nux.AllProcs()

	_, duErr := sys.CmdOut("du", "--help")

	output["kernel  "] = len(KernelMetrics()) > 0
	output["df.bytes"] = len(DeviceMetrics()) > 0
	output["net.if  "] = len(CoreNetMetrics([]string{})) > 0
	output["loadavg "] = len(LoadAvgMetrics()) > 0
	output["cpustat "] = procStatErr == nil
	output["disk.io "] = listDiskErr == nil
	output["memory  "] = len(MemMetrics()) > 0
	output["netstat "] = len(NetstatMetrics()) > 0
	output["ss -s   "] = len(SocketStatSummaryMetrics()) > 0
	output["ss -tln "] = listeningPortsErr == nil && len(ports) > 0
	output["ps aux  "] = psErr == nil && len(procs) > 0
	output["du -bs  "] = duErr == nil

	for k, v := range output {
		status := "fail"
		if v {
			status = "ok"
		}
		fmt.Println(k, "...", status)
	}
}
Example #3
0
func UpdateDiskStats() error {
	dsList, err := nux.ListDiskStats()
	if err != nil {
		return err
	}

	dsLock.Lock()
	defer dsLock.Unlock()
	for i := 0; i < len(dsList); i++ {
		device := dsList[i].Device
		diskStatsMap[device] = [2]*nux.DiskStats{dsList[i], diskStatsMap[device][0]}
	}
	return nil
}