close(target.quitCh)

	if target.producer != nil {
		target.producer.Close()
		return target.client.Close()
	}

	return nil
}

func (target *KafkaTarget) init() error {
	return target.initOnce.Do(target.initKafka)
}

func (target *KafkaTarget) initKafka() error {
	args := target.args

	config := sarama.NewConfig()
	if args.Version != "" {
		kafkaVersion, err := sarama.ParseKafkaVersion(args.Version)

	if err := h.validate(); err != nil {
		return err
	}
	if h.kconfig.QueueDir != "" {
		if err := h.initQueueStoreOnce.DoWithContext(ctx, h.initQueueStore); err != nil {
			return err
		}
		return h.initKafkaOnce.Do(h.init)
	}
	if err := h.init(); err != nil {
		return err
	}
	go h.startKafkaLogger()
	return nil
}

func (h *Target) initQueueStore(ctx context.Context) (err error) {