// ReadSpecFile reads the REX-Ray host address from the spec file.
func ReadSpecFile() (string, error) {
host, err := gotil.ReadFileToString(SpecFilePath())
if err != nil {
return "", err
}
return gotil.Trim(host), nil
}
// ReadPidFile reads the REX-Ray PID from the PID file.
func ReadPidFile() (int, error) {
pidStr, pidStrErr := gotil.ReadFileToString(PidFilePath())
if pidStrErr != nil {
return -1, pidStrErr
}
pid, atoiErr := strconv.Atoi(pidStr)
if atoiErr != nil {
return -1, atoiErr
}
return pid, nil
}