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)
}
}
func UpdateCpuStat() error {
ps, err := nux.CurrentProcStat()
if err != nil {
return err
}
psLock.Lock()
defer psLock.Unlock()
for i := historyCount - 1; i > 0; i-- {
procStatHistory[i] = procStatHistory[i-1]
}
procStatHistory[0] = ps
return nil
}