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 ProcMetrics() (L []*model.MetricValue) {
reportProcs := g.ReportProcs()
sz := len(reportProcs)
if sz == 0 {
return
}
ps, err := nux.AllProcs()
if err != nil {
log.Println(err)
return
}
pslen := len(ps)
for tags, m := range reportProcs {
cnt := 0
for i := 0; i < pslen; i++ {
if is_a(ps[i], m) {
cnt++
}
}
L = append(L, GaugeValue("proc.num", cnt, tags))
}
return
}
func ProcMetrics() (L []*model.MetricValue) {
reportProcs := g.ReportProcs()
sz := len(reportProcs)
if sz == 0 {
return
}
ps, err := nux.AllProcs()
if err != nil {
log.Println(err)
return
}
pslen := len(ps)
for tags, preProc := range reportProcs {
cnt := 0
pids := map[int]struct{}{}
for i := 0; i < pslen; i++ {
if is_a(ps[i], preProc) {
cnt++
pids[ps[i].Pid] = struct{}{}
}
}
if cnt > 0 && is_restart_proc(pids, preProc) {
//此进程发生了重启,将进程数置为0
cnt = 0
}
L = append(L, GaugeValue(g.PROC_NUM, cnt, tags))
}
return
}