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How to use Convert2Avro method of kafka Package

Best Venom code snippet using kafka.Convert2Avro

kafka.go

Source:kafka.go

...221			return nil, fmt.Errorf("can't get latest schema for subject %s-value: %w", m.Topic, err)222		}223	}224	// 2. Encode Value with schema225	avroMsg, err := Convert2Avro(value, string(schema))226	if err != nil {227		return nil, fmt.Errorf("can't convert value 2 avro with schema: %w", err)228	}229	// 3. Create Kafka message with magic byte and schema ID230	encodedAvroMsg, err := CreateMessage(avroMsg, schemaID)231	if err != nil {232		return nil, fmt.Errorf("can't encode avro message with schemaID: %s", err)233	}234	return encodedAvroMsg, nil235}236func (e Executor) getRAWMessageValue(m *Message, workdir string) ([]byte, error) {237	// We have 2 fields Value and ValueFile from where we can get value, we prefer Value238	if len(m.Value) != 0 {239		// Most easiest scenario - Value is present...

avro.go

Source:avro.go

...8const (9	magicByte    byte  = 0x010	schemaIDSize int32 = 411)12// Convert2Avro will convert value to Avro encoded binary with help of schema13func Convert2Avro(value []byte, schema string) ([]byte, error) {14	// https://github.com/linkedin/goavro15	codec, err := goavro.NewCodec(string(schema))16	if err != nil {17		return nil, fmt.Errorf("failed to create Avro schema: %w", err)18	}19	// Convert textual Avro data (in Avro JSON format) to native Go form20	native, _, err := codec.NativeFromTextual(value)21	if err != nil {22		return nil, fmt.Errorf("failed to convert value %s 2 native Avro: %w", value, err)23	}24	// Convert native Go form to binary Avro data25	binary, err := codec.BinaryFromNative(nil, native)26	if err != nil {27		return nil, fmt.Errorf("failed to convert 2 native Avro: %w", err)...

Convert2Avro

Using AI Code Generation

1import (2func main() {3	kafka := Kafka{}4	kafkaConfig := KafkaConfig{}5	kafkaConfig.readConfig()6	kafka.createProducer(kafkaConfig)7	kafka.createConsumer(kafkaConfig)8	kafka.createTopic(kafkaConfig)9	kafka.createSchema()10	kafka.Convert2Avro()11}12type KafkaConfig struct {13}14type Kafka struct {15}16func (kafkaConfig *KafkaConfig) readConfig() {17	config := make(map[string]string)18	file, err := os.Open("config.yaml")19	if err != nil {20		log.Fatalf("Error opening config file: %s", err)21	}

Convert2Avro

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 producer.Close()8	if err != nil {9		panic(err)10	}11	schema := `{12			{"name": "id", "type": "int"},13			{"name": "name", "type": "string"}14	}`15	avroProducer.RegisterSchema("User", schema)16	record := map[string]interface{}{17	}18	avroRecord, err := avroProducer.Convert2Avro("User", record)19	if err != nil {20		panic(err)21	}22	message := &AvroMessage{23	}24	partition, offset, err := avroProducer.Send(message)25	if err != nil {26		panic(err)27	}28	fmt.Printf("Message sent to partition %d at offset %d\n", partition, offset)29}

Convert2Avro

Using AI Code Generation

1import (2func main() {3	r := kafka.NewReader(kafka.ReaderConfig{4		Brokers: []string{"localhost:9092"},5	})6	defer r.Close()7	w := kafka.NewWriter(kafka.WriterConfig{8		Brokers: []string{"localhost:9092"},9		Balancer: &kafka.LeastBytes{},10	})11	defer w.Close()12	codec, err := goavro.NewCodec(`13		{14				{"name": "name", "type": "string"},15				{"name": "id", "type": "int"}16		}17	if err != nil {18		fmt.Println(err)19	}20	for {21		m, err := r.ReadMessage(r.Context())22		if err != nil {23			fmt.Println(err)24		}25		fmt.Println(m)26		avro, err := kafka.Convert2Avro(m.Value, codec)27		if err != nil {28			fmt.Println(err)29		}30		fmt.Println(avro)31		err = w.WriteMessages(r.Context(), kafka.Message{32		})33		if err != nil {34			fmt.Println(err)35		}36	}37}38import (39func main() {40	r := kafka.NewReader(kafka.ReaderConfig{41		Brokers: []string{"localhost:9092"},42	})43	defer r.Close()

Convert2Avro

Using AI Code Generation

1import (2type Event struct {3}4func main() {5	config := sarama.NewConfig()6	producer, err := sarama.NewSyncProducer([]string{broker}, config)7	if err != nil {8		log.Fatal(err)9	}10	defer func() {11		if err := producer.Close(); err != nil {12			log.Fatal(err)13		}14	}()15	schema := `{16			{"name": "id", "type": "int"},17			{"name": "name", "type": "string"},18			{"name": "timestamp", "type": "long"},19			{"name": "data", "type": "string"}20	}`21	codec, err := goavro.NewCodec(schema)22	if err != nil {23		log.Fatal(err)24	}25	for i := 0; i < 10; i++ {26		event := Event{27			Name:      fmt.Sprintf("Event %d", i),28			Timestamp: time.Now().Unix(),29			Data:      fmt.Sprintf("Data %d", i),30		}31		avroBytes, err := json.Marshal(event)32		if err != nil {33			log.Fatal(err)34		}35		msg := &sarama.ProducerMessage{

Convert2Avro

Using AI Code Generation

1import (2type Kafka struct {3}4type KafkaAvro struct {5}6type KafkaAvroData struct {7}8type KafkaAvroData2 struct {9	Value map[string]interface{}10}11type KafkaAvroData3 struct {12	Value map[string]interface{}13}14type KafkaAvroData4 struct {15	Value map[string]interface{}16}17type KafkaAvroData5 struct {18	Value map[string]interface{}19}20type KafkaAvroData6 struct {21	Value map[string]interface{}22}23type KafkaAvroData7 struct {24	Value map[string]interface{}25}26type KafkaAvroData8 struct {27	Value map[string]interface{}28}29type KafkaAvroData9 struct {30	Value map[string]interface{}31}32type KafkaAvroData10 struct {33	Value map[string]interface{}34}35type KafkaAvroData11 struct {36	Value map[string]interface{}37}38type KafkaAvroData12 struct {39	Value map[string]interface{}40}41type KafkaAvroData13 struct {42	Value map[string]interface{}43}44type KafkaAvroData14 struct {45	Value map[string]interface{}46}47type KafkaAvroData15 struct {48	Value map[string]interface{}49}50type KafkaAvroData16 struct {51	Value map[string]interface{}52}53type KafkaAvroData17 struct {54	Value map[string]interface{}55}56type KafkaAvroData18 struct {57	Value map[string]interface{}58}59type KafkaAvroData19 struct {60	Value map[string]interface{}61}

Convert2Avro

Using AI Code Generation

1import (2func main() {3	k := kafka{}4	k.Convert2Avro()5}6type kafka struct {7}8func (k *kafka) Convert2Avro() {9	schema, err := goavro.NewCodec(schemaPath)10	if err != nil {11		fmt.Println("error in reading avro schema", err)12	}13	producer, err := sarama.NewSyncProducer([]string{"localhost:9092"}, nil)14	if err != nil {15		fmt.Println("error in creating kafka producer", err)16	}17	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, nil)18	if err != nil {19		fmt.Println("error in creating kafka consumer", err)20	}21	partition := int32(0)22	msg := &sarama.ProducerMessage{23		Value:     sarama.StringEncoder("test"),24	}25	_, _, err = producer.SendMessage(msg)26	if err != nil {27		fmt.Println("error in sending message to kafka", err)28	}29	pc, err := consumer.ConsumePartition(topic, partition, sarama.OffsetOldest)30	if err != nil {31		fmt.Println("error in creating partition consumer", err)32	}33	msgs := make(chan *sarama.ConsumerMessage)34	errs := make(chan error)35	go func() {36		for msg := range pc.Messages() {37		}38	}()

Convert2Avro

Using AI Code Generation

1import (2func main() {3	k := kafka.Kafka{}4	err := k.Convert2Avro("test", "test", "test", "test", "test")5	if err != nil {6		fmt.Println(err)7	}8}

Convert2Avro

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	if err != nil {16		panic(err)17	}18	partition, offset, err := producer.SendMessage(avroMsg)19	if err != nil {20		panic(err)21	}22	fmt.Printf("Message is stored in topic(%s)/partition(%d)/offset(%d)\n", "test", partition, offset)23}24import (25func main() {26	producer, err := sarama.NewSyncProducer([]string{"localhost:9092"}, nil)27	if err != nil {28		panic(err)29	}30	defer func() {31		if err := producer.Close(); err != nil {32			panic(err)33		}34	}()35	msg := &sarama.ProducerMessage{36		Value: sarama.StringEncoder("testing 123"),37	}38	if err != nil {39		panic(err)40	}41	partition, offset, err := producer.SendMessage(avroMsg)42	if err != nil {43		panic(err)44	}45	fmt.Printf("Message is stored in topic(%s)/partition(%d)/offset(%d)\n", "test", partition, offset)46}

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