reorganize exporters and simplify their use

example/main.go

@@ -10,8 +10,7 @@ import (
 
 	"git.ma-al.com/gora_filip/observer/pkg/tracer"
 	"git.ma-al.com/gora_filip/pkg/attr"
-	"git.ma-al.com/gora_filip/pkg/combined_exporter"
-	"git.ma-al.com/gora_filip/pkg/console_exporter"
+	"git.ma-al.com/gora_filip/pkg/exporters"
 	"git.ma-al.com/gora_filip/pkg/fiber_tracing"
 	"git.ma-al.com/gora_filip/pkg/level"
 	"github.com/gofiber/fiber/v2"
@@ -26,19 +25,17 @@ func main() {
 		StreamRequestBody: true,
 	})
 
-	lvl := level.DEBUG
-	exporter := combined_exporter.NewExporter(
-		console_exporter.NewExporter(
-			console_exporter.ExporterOptions{
-				FilterOnLevel: &lvl,
-				//EmitOnlyOnError: true,
-			},
-		))
+	exps := make([]exporters.ExporterWithConfig, 2)
+	exps = append(exps, exporters.DevConsoleExporter())
+	gelfExp, err := exporters.GelfExporter()
+	if err == nil {
+		exps = append(exps, gelfExp)
+	}
 	main.Use(fiber_tracing.NewMiddleware(fiber_tracing.Config{
 		AppName:         "example",
 		Version:         "0.0.0",
 		ServiceProvider: "maal",
-		Exporter:        exporter,
+		Exporters:       exps,
 	}))
 	defer fiber_tracing.ShutdownTracer()