Files
service-common/db/kafka/producer.go

49 lines
1.0 KiB
Go

package kafka
import (
"context"
"encoding/json"
"errors"
"github.com/IBM/sarama"
"go.opentelemetry.io/otel"
otelcodes "go.opentelemetry.io/otel/codes"
"strconv"
)
var ProduceTimeoutError = errors.New("kafka producer timeout")
func NewProducer(key int64) *Producer {
return &Producer{
key: key,
}
}
type Producer struct {
key int64
}
func (c *Producer) Produce(ctx context.Context, data Topic) error {
marshal, _ := json.Marshal(data)
msg := &sarama.ProducerMessage{
Topic: data.Name(),
Key: sarama.StringEncoder(strconv.FormatInt(c.key, 10)),
Value: sarama.ByteEncoder(marshal),
Headers: NewCarrier().Inject(ctx),
}
select {
case client.producer.Input() <- msg:
return nil
case <-ctx.Done():
return ProduceTimeoutError
}
}
func producerError() {
for err := range client.producer.Errors() {
ctx := NewCarrier().ExtractProducer(err.Msg.Headers)
_, span := otel.Tracer("common.db.kafka").Start(ctx, "kafka.producer.error")
span.SetStatus(otelcodes.Error, err.Error())
span.End()
}
}