[Live Now] Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Join for FREE! Join TestMu Conference

How to use produceMessages method of kafka Package

Best Venom code snippet using kafka.produceMessages

producer.go

Source:producer.go

...23	}24	// Trap SIGINT to trigger a graceful shutdown.25	signals := make(chan os.Signal, 1)26	signal.Notify(signals, os.Interrupt)27	produceMessages(producer, signals)28	log.Printf("Kafka AsyncProducer finished with %d messages produced.", enqueued)29}30// setupProducer will create a AsyncProducer and returns it31func setupProducer() (sarama.AsyncProducer, error) {32	config := sarama.NewConfig()33	sarama.Logger = log.New(os.Stderr, "[sarama_logger]", log.LstdFlags)34	return sarama.NewAsyncProducer(kafkaBrokers, config)35}36// produceMessages will send 'testing 123' to KafkaTopic each second, until receive a os signal to stop e.g. control + c37// by the user in terminal38func produceMessages(producer sarama.AsyncProducer, signals chan os.Signal) {39	for {40		time.Sleep(time.Second)41		valueBytes := []byte(time.Now().Format("15:04:05.000"))42		valueHash := sha256.Sum256(valueBytes)43		valueString := hex.EncodeToString(valueHash[:])44		message := &sarama.ProducerMessage{Topic: KafkaTopic, Value: sarama.StringEncoder(valueString)}45		select {46		case producer.Input() <- message:47			enqueued++48			log.Println("New Message produced")49		case <-signals:50			producer.AsyncClose() // Trigger a shutdown of the producer.51			return52		}...

produceMessages

Using AI Code Generation

1import (2func main() {3	producer, err := sarama.NewSyncProducer([]string{"localhost:9092"}, nil)4	if err != nil {5		panic(err)6	}7	defer func() {8		if err := producer.Close(); err != nil {9			panic(err)10		}11	}()12	msg := &sarama.ProducerMessage{13		Value: sarama.StringEncoder("testing 123"),14	}15	partition, offset, err := producer.SendMessage(msg)16	if err != nil {17		panic(err)18	}19	fmt.Printf("Message is stored in topic(%s)/partition(%d)/offset(%d)20}21import (22func main() {23	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, nil)24	if err != nil {25		panic(err)26	}27	partitionList, err := consumer.Partitions("test")28	if err != nil {29		panic(err)30	}31	for partition := range partitionList {32		pc, err := consumer.ConsumePartition("test", int32(partition), sarama.OffsetNewest)33		if err != nil {34			panic(err)35		}36		defer func() {37			if err := pc.Close(); err != nil {38				panic(err)39			}40		}()41		signals := make(chan os.Signal, 1)42		signal.Notify(signals, os.Interrupt)43		for {44			select {45			case msg := <-pc.Messages():46				fmt.Printf("Partition:%d Offset:%d Key:%v Value:%v47", msg.Partition, msg.Offset, msg.Key, string(msg.Value))48			}49		}50	}51	consumer.Close()52}

produceMessages

Using AI Code Generation

1import (2func main() {3	kafka := kafka{4	}5	kafka.produceMessages()6}7import (8func main() {9	kafka := kafka{10	}11	kafka.consumeMessages()12}13import (14func main() {15    kafka := kafka{16    }17    kafka.produceMessages()18}19type kafka struct {20}21func (k *kafka) produceMessages() {22    config := sarama.NewConfig()23    producer, err := sarama.NewAsyncProducer(k.brokers, config)24    if err != nil {25        panic(err)26    }27    defer producer.Close()28    go func() {29        for err := range producer.Errors() {

produceMessages

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, World")4}5import "fmt"6func produceMessages() {7    fmt.Println("Hello, World")8}

produceMessages

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello")4}5import (6type Kafka struct {7}8func NewKafka() (*Kafka, error) {9	config := sarama.NewConfig()10	producer, err := sarama.NewSyncProducer([]string{"localhost:9092"}, config)11	if err != nil {12	}13	return &Kafka{14	}, nil15}16func (k *Kafka) ProduceMessages(ctx context.Context, messages ...*sarama.ProducerMessage) error {17	for _, message := range messages {18		_, _, err := k.Producer.SendMessage(message)19		if err != nil {20		}21	}22}23func main() {24	k, err := NewKafka()25	if err != nil {26		panic(err)27	}28	defer k.Producer.Close()29	msg := &sarama.ProducerMessage{30		Value: sarama.StringEncoder("test message"),31	}32	err = k.ProduceMessages(context.Background(), msg)33	if err != nil {34		panic(err)35	}36}

produceMessages

Using AI Code Generation

1func main() {2    kafka := Kafka{}3    kafka.produceMessages("Message from Go")4}5func main() {6    kafka := Kafka{}7    kafka.consumeMessages()8}9func main() {10    kafka := Kafka{}11    kafka.produceMessages("Message from Go")12    kafka.consumeMessages()13}14func main() {15    kafka := Kafka{}16    kafka.produceMessages("Message from Go")17}18func main() {19    kafka := Kafka{}20    kafka.consumeMessages()21}22func main() {23    kafka := Kafka{}24    kafka.produceMessages("Message from Go")25    kafka.consumeMessages()26}27func main() {28    kafka := Kafka{}29    kafka.produceMessages("Message from Go")30}31func main() {32    kafka := Kafka{}33    kafka.consumeMessages()34}35func main() {36    kafka := Kafka{}37    kafka.produceMessages("Message from Go")38    kafka.consumeMessages()39}40func main() {41    kafka := Kafka{}42    kafka.produceMessages("Message from Go")43}44func main() {45    kafka := Kafka{}46    kafka.consumeMessages()47}48func main() {49    kafka := Kafka{}50    kafka.produceMessages("Message from Go")51    kafka.consumeMessages()52}

produceMessages

Using AI Code Generation

1import (2func main() {3	config := sarama.NewConfig()4	producer, err := sarama.NewAsyncProducer([]string{"localhost:9092"}, config)5	if err != nil {6		panic(err)7	}8	message := &sarama.ProducerMessage{9		Value: sarama.StringEncoder("Hello World"),10	}11	producer.Input() <- message12	select {13	case confirmation := <-producer.Successes():14		fmt.Printf("Message %d successfully written to topic %s at offset %d15	case err := <-producer.Errors():16		fmt.Println("Failed to write message:", err)17	}18	producer.Close()19}20import (21func main() {22	config := sarama.NewConfig()23	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, config)24	if err != nil {25		panic(err)26	}27	partition, err := consumer.ConsumePartition("test", 0, sarama.OffsetNewest)28	if err != nil {29		panic(err)30	}31	for message := range partition.Messages() {32		fmt.Printf("Message received: %s33", string(message.Value))34	}35	consumer.Close()36}37import (38func main() {

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.