Adds logging for transformer start, log conversions, log persistance

cmd/compose.go

@@ -143,6 +143,7 @@ func prepConfig() {
 	names := viper.GetStringSlice("exporter.transformerNames")
 	transformers := make(map[string]config.Transformer)
 	for _, name := range names {
+		LogWithCommand.Debug("Configuring " + name + " transformer")
 		transformer := viper.GetStringMapString("exporter." + name)
 		p, pOK := transformer["path"]
 		if !pOK || p == "" {

libraries/shared/factories/event/transformer.go

@@ -54,6 +54,7 @@ func (transformer Transformer) Execute(logs []core.HeaderSyncLog) error {
 		logrus.Errorf("error persisting %v record: %v", transformerName, err)
 		return err
 	}
+	log.Debug("Persisted log for " + transformerName)
 
 	return nil
 }