plugin: remote method become more generic

src/fluentbit_wendelin.go

@@ -85,7 +85,7 @@ func FLBPluginFlushCtx(ctx, data unsafe.Pointer, length C.int, tag *C.char) int
 	if err != nil {
           fmt.Fprintf(os.Stderr, "server: loadkey %s", err.Error())
 	}
-        uri := fmt.Sprintf("%s/uploadComputerFileMetadata?reference=%s", dict["streamtool_uri"], dict["reference"])
+        uri := fmt.Sprintf("%s/ingestData?ingestion_policy=metadata_upload&reference=%s", dict["streamtool_uri"], dict["reference"])
         client := &http.Client{
           Transport: &http.Transport{
             TLSClientConfig: &tls.Config{