package lxc import ( "bufio" "errors" "strconv" "strings" ) var ( ErrCannotParse = errors.New("cannot parse raw input") ) type lxcInfo struct { Running bool Pid int } func parseLxcInfo(raw string) (*lxcInfo, error) { if raw == "" { return nil, ErrCannotParse } var ( err error s = bufio.NewScanner(strings.NewReader(raw)) info = &lxcInfo{} ) for s.Scan() { text := s.Text() if s.Err() != nil { return nil, s.Err() } parts := strings.Split(text, ":") if len(parts) < 2 { continue } switch strings.TrimSpace(parts[0]) { case "state": info.Running = strings.TrimSpace(parts[1]) == "RUNNING" case "pid": info.Pid, err = strconv.Atoi(strings.TrimSpace(parts[1])) if err != nil { return nil, err } } } return info, nil }