feat kafka

db/kafka/producer.go

@@ -0,0 +1,37 @@
+package kafka
+
+import (
+	"context"
+	"git.hlsq.asia/mmorpg/service-common/log"
+	"github.com/IBM/sarama"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/propagation"
+)
+
+func NewProducer() *Producer {
+	return &Producer{}
+}
+
+type Producer struct {
+}
+
+func (c *Producer) Produce(ctx context.Context, topic, value string) {
+	msg := &sarama.ProducerMessage{
+		Topic:   topic,
+		Value:   sarama.StringEncoder(value),
+		Headers: make([]sarama.RecordHeader, 0),
+	}
+	// 注入链路信息
+	carrier := propagation.MapCarrier{}
+	otel.GetTextMapPropagator().Inject(ctx, carrier)
+	for k, v := range carrier {
+		msg.Headers = append(msg.Headers, sarama.RecordHeader{Key: []byte(k), Value: []byte(v)})
+	}
+	client.producer.Input() <- msg
+}
+
+func producerError() {
+	for err := range client.producer.Errors() {
+		log.Errorf("kafka producer error: %v", err)
+	}
+}