code: func GenerateRandomID() string {
  	for {
  		id := make([]byte, 32)
  		if _, err := io.ReadFull(rand.Reader, id); err != nil {
  			panic(err) // This shouldn't happen
  		}
  		value := hex.EncodeToString(id)
  		// if we try to parse the truncated for as an int and we don't have
  		// an error then the value is all numeric and causes issues when
  		// used as a hostname. ref #3869
  		if _, err := strconv.ParseInt(TruncateID(value), 10, 64); err == nil {
  			continue
  		}
  		return value
  	}
  }
docs: // GenerateRandomID returns an unique id