func tryToStartDaemon() {
_, _, thisAbsPath := util.GetThisPathParts()
fmt.Print("Starting REX-Ray...")
signal := make(chan byte)
client := fmt.Sprintf("%s/%s.sock", os.TempDir(), util.RandomString(32))
log.WithField("client", client).Debug("trying to start service")
l, lErr := net.Listen("unix", client)
failOnError(lErr)
go func() {
conn, acceptErr := l.Accept()
if acceptErr != nil {
fmt.Printf("FAILED!\n %v\n", acceptErr)
panic(acceptErr)
}
defer conn.Close()
defer os.Remove(client)
log.Debug("accepted connection")
buff := make([]byte, 1)
conn.Read(buff)
log.Debug("received data")
signal <- buff[0]
}()
cmdArgs := []string{
"start",
fmt.Sprintf("--client=%s", client),
fmt.Sprintf("--logLevel=%v", r.Config.LogLevel)}
if r.Config.Host != "" {
cmdArgs = append(cmdArgs, fmt.Sprintf("--host=%s", r.Config.Host))
}
cmd := exec.Command(thisAbsPath, cmdArgs...)
cmd.Stderr = os.Stderr
cmdErr := cmd.Start()
failOnError(cmdErr)
sigVal := <-signal
if sigVal != 0 {
fmt.Println("FAILED!")
panic(1)
}
pid, _ := util.ReadPidFile()
fmt.Printf("SUCESS!\n\n")
fmt.Printf(" The REX-Ray daemon is now running at PID %d. To\n", pid)
fmt.Printf(" shutdown the daemon execute the following command:\n\n")
fmt.Printf(" sudo %s stop\n\n", thisAbsPath)
}
func TestNewWithBadConfigFilePath(t *testing.T) {
if _, err := rexray.NewWithConfigFile(util.RandomString(10)); err == nil {
t.Fatal("expected error from bad config file path")
}
}