add labels to lokiwritter after initialisation

logs/lokiwriter.go

@@ -55,6 +55,15 @@ func (w *LokiWriter) Write(p []byte) (n int, err error) {
 	}
 	labels["level"] = level
 
+	// Add label that have been added to the event
+
+	for k,v := range(event){
+		if k != "level" && k != "time" && k != "message"{
+			data := v.(map[string]string)
+			labels[k] = data["data"]
+		}
+	}
+
 	// Format the timestamp in nanoseconds
 	timestamp := fmt.Sprintf("%d000000", time.Now().UnixNano()/int64(time.Millisecond))