init consumer and producer on 1 client

Signed-off-by: myan <[email protected]>

protocol/kafka_confluent/v2/protocol.go

@@ -53,19 +53,22 @@ func New(opts ...Option) (*Protocol, error) {
 		return nil, err
 	}
 
-	if p.consumerTopics != nil && p.consumer == nil && p.kafkaConfigMap != nil {
-		consumer, err := kafka.NewConsumer(p.kafkaConfigMap)
-		if err != nil {
-			return nil, err
+	if p.kafkaConfigMap != nil {
+		if p.consumerTopics != nil && p.consumer == nil {
+			consumer, err := kafka.NewConsumer(p.kafkaConfigMap)
+			if err != nil {
+				return nil, err
+			}
+			p.consumer = consumer
 		}
-		p.consumer = consumer
-	} else if p.producer == nil && p.kafkaConfigMap != nil {
-		producer, err := kafka.NewProducer(p.kafkaConfigMap)
-		if err != nil {
-			return nil, err
+		if p.producerDefaultTopic != "" && p.producer == nil {
+			producer, err := kafka.NewProducer(p.kafkaConfigMap)
+			if err != nil {
+				return nil, err
+			}
+			p.producer = producer
+			p.producerDeliveryChan = make(chan kafka.Event)
 		}
-		p.producer = producer
-		p.producerDeliveryChan = make(chan kafka.Event)
 	}
 
 	if p.kafkaConfigMap == nil && p.producer == nil && p.consumer == nil {