func ReadContainerFromProc(pid int, fullpath string) (string, error) {
b, err := ue.ExecShCommand(`cat ` + procPath + `/` + strconv.Itoa(pid) + `/root` + fullpath)
if err != nil {
return "", err
}
bstr := strings.TrimRight(string(b), "\n")
if strings.Contains(bstr, "Cannot run exec command") ||
strings.Contains(bstr, "No such exec") ||
strings.Contains(bstr, "Failed") ||
strings.Contains(bstr, "invalid argument") ||
bstr == "" {
return "", errors.New("Invalid path")
}
return bstr, nil
}
func listLocalNetInt(pid string) ([]string, error) {
log.Debug("")
stdout, err := ue.ExecShCommand(`ls /proc/` + pid + `/root` + netStatsBasePath)
if err != nil {
return nil, err
}
stdoutstr := string(stdout)
var interfaces []string
if len(stdoutstr) != 0 {
if strings.Contains(stdoutstr, "executable file not found") {
log.Debug("stdout %s", stdout)
return nil, errors.New("Doesn't support network statistics")
}
for _, inter := range strings.Split(stdoutstr, "\n") {
if len(inter) != 0 {
interfaces = append(interfaces, inter)
}
}
}
return interfaces, nil
}