fix(pkg/daemon): turn on red rgb-led if something goes wrong in other cases

pkg/daemon/daemon.go

@@ -51,8 +51,15 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
 	for {
 		select {
 		case err, _ := <-errorChannel:
+			err = rgbled.Red(rgbLEDs)
+			if err != nil {
+				logger.Error("Can not turn on red info light: %v", err)
+			}
+
 			logger.Error("%v", err)
 
+			time.Sleep(time.Second * 2)
+
 		case <-ticker:
 			err := rgbled.Blue(rgbLEDs)
 			if err != nil {
@@ -63,6 +70,12 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
 
 			err = logfile.AppendTemperatures(temperatureLogfile, compression, temperatureCache)
 			if err != nil {
+
+				err = rgbled.Red(rgbLEDs)
+				if err != nil {
+					logger.Error("Can not turn on red info light: %v", err)
+				}
+
 				cancel()
 				logger.Fatal("Can not save temperatures: %v", err)
 			}