ing

external/kafka/kafka.go

@@ -10,17 +10,36 @@ import (
 )
 
 var (
-	kafkaWriter *kafka.Writer
+	kafkaWriters map[string]*kafka.Writer
 )
 
 func InitPackage(config *occe.Kafka) {
+	if nil == config {
+		return
+	}
+	if nil == config.Producers || 0 == len(config.Producers) {
+		return
+	}
 
-	kafkaWriter = kafka.NewWriter(kafka.WriterConfig{
-		Brokers:  []string{"192.168.1.50:9092"},
-		Topic:    "overflow-metric-topic",
-		Balancer: &kafka.LeastBytes{},
-	})
+	kafkaWriters = make(map[string]*kafka.Writer)
 
+	for n, c := range config.Producers {
+		wc := kafka.WriterConfig{
+			Brokers:           c.Brokers,
+			Topic:             c.Topic,
+			Balancer:          &kafka.LeastBytes{},
+			MaxAttempts:       c.MaxAttempts,
+			QueueCapacity:     c.QueueCapacity,
+			BatchSize:         c.BatchSize,
+			BatchTimeout:      c.BatchTimeout,
+			ReadTimeout:       c.ReadTimeout,
+			WriteTimeout:      c.WriteTimeout,
+			RebalanceInterval: c.RebalanceInterval,
+			RequiredAcks:      c.RequiredAcks,
+			Async:             c.Async,
+		}
+		kafkaWriters[n] = kafka.NewWriter(wc)
+	}
 }
 
 func StartPackage(config *occe.Kafka) {
@@ -42,17 +61,24 @@ func DestroyPackage(config *occe.Kafka) {
 		return
 	}
 
-	if err := kafkaWriter.Close(); nil != err {
-		logging.Logger().Errorf("%v", err)
+	for _, w := range kafkaWriters {
+		if err := w.Close(); nil != err {
+			logging.Logger().Errorf("%v", err)
+		}
 	}
 }
 
-func Write(key []byte, value []byte) error {
-	if nil == kafkaWriter {
+func Write(name string, key []byte, value []byte) error {
+	if nil == kafkaWriters {
 		return fmt.Errorf("Kafka client is not valid")
 	}
 
-	err := kafkaWriter.WriteMessages(context.Background(),
+	w, ok := kafkaWriters[name]
+	if !ok {
+		return fmt.Errorf("Kafka client is not valid")
+	}
+
+	err := w.WriteMessages(context.Background(),
 		kafka.Message{
 			Key:   key,
 			Value: value,