Bhavin GandhiandVishal
37f37c0b8b
Added support for Kafka headers to be passed and retrieved from functions. The headers and supported and work only for Kafka version 0.11.0.0 and higher.
37 lines
1.0 KiB
Go
37 lines
1.0 KiB
Go
package main
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import (
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"fmt"
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"net/http"
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sarama "github.com/Shopify/sarama"
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)
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// Handler posts a message to Kafka Topic
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func Handler(w http.ResponseWriter, r *http.Request) {
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brokers := []string{"broker.kafka.svc.cluster.local:9092"}
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producerConfig := sarama.NewConfig()
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producerConfig.Producer.RequiredAcks = sarama.WaitForAll
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producerConfig.Producer.Retry.Max = 10
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producerConfig.Producer.Return.Successes = true
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producerConfig.Version = sarama.V0_11_0_0
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producer, err := sarama.NewSyncProducer(brokers, producerConfig)
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fmt.Println("Created a new producer ", producer)
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if err != nil {
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panic(err)
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}
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headers := []sarama.RecordHeader{{Key: []byte("Z-Custom-Name"), Value: []byte("Kafka-Header-test")}}
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_, _, err = producer.SendMessage(&sarama.ProducerMessage{
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Topic: "testtopic",
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Value: sarama.StringEncoder("{\"name\": \"testvalue\"}"),
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Headers: headers,
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})
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if err != nil {
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w.Write([]byte(fmt.Sprintf("Failed to publish message to topic %s: %v", "testtopic", err)))
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return
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}
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w.Write([]byte("Successfully sent to testtopic"))
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}
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