func DuMetrics() (L []*model.MetricValue) {
paths := g.DuPaths()
for _, path := range paths {
out, err := sys.CmdOutNoLn("du", "-bs", path)
if err != nil {
log.Println("du -bs", path, "fail", err)
continue
}
arr := strings.Fields(out)
if len(arr) == 1 {
continue
}
size, err := strconv.ParseUint(arr[0], 10, 64)
if err != nil {
log.Println("cannot parse du -bs", path, "output")
continue
}
L = append(L, GaugeValue(g.DU_BS, size, "path="+path))
}
return
}
func configKernelRoutes() {
http.HandleFunc("/proc/kernel/hostname", func(w http.ResponseWriter, r *http.Request) {
data, err := g.Hostname()
AutoRender(w, data, err)
})
http.HandleFunc("/proc/kernel/maxproc", func(w http.ResponseWriter, r *http.Request) {
data, err := nux.KernelMaxProc()
AutoRender(w, data, err)
})
http.HandleFunc("/proc/kernel/maxfiles", func(w http.ResponseWriter, r *http.Request) {
data, err := nux.KernelMaxFiles()
AutoRender(w, data, err)
})
http.HandleFunc("/proc/kernel/version", func(w http.ResponseWriter, r *http.Request) {
data, err := sys.CmdOutNoLn("uname", "-r")
AutoRender(w, data, err)
})
}