Add name, time, path and string field options to JSON parser (#4351)

plugins/inputs/kafka_consumer/kafka_consumer_test.go

@@ -125,7 +125,10 @@ func TestRunParserAndGatherJSON(t *testing.T) {
 	k.acc = &acc
 	defer close(k.done)
 
-	k.parser, _ = parsers.NewJSONParser("kafka_json_test", []string{}, nil)
+	k.parser, _ = parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "kafka_json_test",
+	})
 	go k.receiver()
 	in <- saramaMsg(testMsgJSON)
 	acc.Wait(1)