fix: fixed exporter not return as result

server/ingester/flow_log/exporter/exporter.go

@@ -3,8 +3,11 @@ package exporter
 import (
 	"github.com/deepflowio/deepflow/server/ingester/config"
 	otlp_exporter "github.com/deepflowio/deepflow/server/ingester/flow_log/exporter/otlp_exporter"
+	"github.com/op/go-logging"
 )
 
+var log = logging.MustGetLogger("exporter")
+
 type Exporter interface {
 	// Start starts an exporter worker
 	Start()
@@ -19,11 +22,12 @@ type Exporter interface {
 }
 
 func NewExporters(exportersCfg []ExporterCfg, baseCfg *config.Config) []Exporter {
+	log.Infof("Init Exporters: %v", exportersCfg)
 	exporters := make([]Exporter, 0, len(exportersCfg))
 	for i := range exportersCfg {
 		switch exportersCfg[i].Type {
 		case OtlpExporter:
-			otlp_exporter.NewOtlpExporter(&exportersCfg[i].OtlpExporter, baseCfg)
+			exporters = append(exporters, otlp_exporter.NewOtlpExporter(&exportersCfg[i].OtlpExporter, baseCfg))
 		default:
 
 		}