How to use CreateMessage method of kafka Package

Best Venom code snippet using kafka.CreateMessage

redeliverer_test.go

Source:redeliverer_test.go

1package redelivery_test2import (3	"errors"4	"fmt"5	"github.com/splunk/kafka-mq-go/queue/internal/mocks"6	kafkamq "github.com/splunk/kafka-mq-go/queue/proto"7	. "github.com/splunk/kafka-mq-go/queue/redelivery"8	"github.com/cenkalti/backoff"9	confluentKafka "github.com/confluentinc/confluent-kafka-go/kafka"10	. "github.com/onsi/ginkgo"11	. "github.com/onsi/gomega"12)13var _ = Describe("Redeliverer", func() {14	const (15		partition  = 116		numRetries = 1617	)18	var (19		r                  Redeliverer20		messageSender      *mocks.MessageSender21		markerProducer     *mocks.MarkerProducer22		exponentialBackoff backoff.BackOff23	)24	BeforeEach(func() {25		r = nil26		messageSender = &mocks.MessageSender{}27		markerProducer = &mocks.MarkerProducer{}28		exponentialBackoff = backoff.NewExponentialBackOff()29	})30	AfterEach(func() {31		messageSender.AssertExpectations(GinkgoT())32		markerProducer.AssertExpectations(GinkgoT())33	})34	Describe("NewRedeliverer", func() {35		JustBeforeEach(func() {36			r = NewRedeliverer(partition, messageSender, markerProducer, exponentialBackoff)37		})38		Context("Happy path", func() {39			It("should return a Redeliverer", func() {40				Expect(r).ShouldNot(BeNil())41			})42		})43	})44	Describe("Redeliver", func() {45		var (46			markers       []*kafkamq.Marker47			queueID       = "test-queue"48			criticalError = errors.New("oops")49			expectedMsg   *confluentKafka.Message50		)51		BeforeEach(func() {52			r = NewRedeliverer(partition, messageSender, markerProducer, exponentialBackoff)53			Expect(r).ShouldNot(BeNil())54		})55		AfterEach(func() {56			expectedMsg = nil57		})58		JustBeforeEach(func() {59			r.Redeliver(markers)60		})61		When("the redelivery list is empty", func() {62			BeforeEach(func() {63				markers = createRedeliveryList(queueID, partition, 0)64			})65			It("should not attempt any redeliveries", func() {66				// assertions are made on the calls to message and marker producers67			})68		})69		When("the redelivery list contains a single end marker", func() {70			BeforeEach(func() {71				markers = []*kafkamq.Marker{72					&kafkamq.Marker{73						Type: kafkamq.Marker_END,74						MessageId: &kafkamq.MessageID{75							Partition: int32(partition),76							Offset:    int64(0),77						},78					},79				}80			})81			It("should not attempt any redeliveries", func() {82				// assertions are made on the calls to message and marker producers83			})84		})85		When("the redelivery list contains a single keep-alive marker", func() {86			BeforeEach(func() {87				markers = []*kafkamq.Marker{88					&kafkamq.Marker{89						Type: kafkamq.Marker_KEEPALIVE,90						MessageId: &kafkamq.MessageID{91							Partition: int32(partition),92							Offset:    int64(0),93						},94					},95				}96			})97			It("should not attempt any redeliveries", func() {98				// assertions are made on the calls to message and marker producers99			})100		})101		When("the redelivery list contains a single start marker", func() {102			BeforeEach(func() {103				markers = createRedeliveryList(queueID, partition, 1)104				expectedMsg = createMessage(partition, 0, []byte(queueID), []byte(fmt.Sprint(0)))105				messageSender.On("SendMessage", queueID, expectedMsg.Value).Return(nil).Once()106				markerProducer.On("SendEndMarker", queueID, expectedMsg).Return(nil).Once()107			})108			It("should redeliver the message", func() {109				// assertions are made on the calls to message and marker producers110				Eventually(func() bool {111					return methodWasCalled(&messageSender.Mock, "SendMessage", queueID, expectedMsg.Value) &&112						methodWasCalled(&markerProducer.Mock, "SendEndMarker", queueID, expectedMsg)113				}).Should(BeTrue())114			})115		})116		When("the redelivery list contains a more than one start marker", func() {117			var (118				expectedMsg1 *confluentKafka.Message119				expectedMsg2 *confluentKafka.Message120				expectedMsg3 *confluentKafka.Message121			)122			BeforeEach(func() {123				markers = createRedeliveryList(queueID, partition, 3)124				expectedMsg1 = createMessage(partition, 0, []byte(queueID), []byte(fmt.Sprint(0)))125				expectedMsg2 = createMessage(partition, 1, []byte(queueID), []byte(fmt.Sprint(1)))126				expectedMsg3 = createMessage(partition, 2, []byte(queueID), []byte(fmt.Sprint(2)))127				messageSender.On("SendMessage", queueID, expectedMsg1.Value).Return(nil).Once()128				messageSender.On("SendMessage", queueID, expectedMsg2.Value).Return(nil).Once()129				messageSender.On("SendMessage", queueID, expectedMsg3.Value).Return(nil).Once()130				markerProducer.On("SendEndMarker", queueID, expectedMsg1).Return(nil).Once()131				markerProducer.On("SendEndMarker", queueID, expectedMsg2).Return(nil).Once()132				markerProducer.On("SendEndMarker", queueID, expectedMsg3).Return(nil).Once()133			})134			It("should redeliver the messages", func() {135				// assertions are made on the calls to message and marker producers136				Eventually(func() bool {137					return methodWasCalled(&messageSender.Mock, "SendMessage", queueID, expectedMsg1.Value) &&138						methodWasCalled(&messageSender.Mock, "SendMessage", queueID, expectedMsg2.Value) &&139						methodWasCalled(&messageSender.Mock, "SendMessage", queueID, expectedMsg3.Value) &&140						methodWasCalled(&markerProducer.Mock, "SendEndMarker", queueID, expectedMsg1) &&141						methodWasCalled(&markerProducer.Mock, "SendEndMarker", queueID, expectedMsg2) &&142						methodWasCalled(&markerProducer.Mock, "SendEndMarker", queueID, expectedMsg3)143				}).Should(BeTrue())144			})145		})146		When("the message cannot be redelivered", func() {147			BeforeEach(func() {148				markers = createRedeliveryList(queueID, partition, 1)149				expectedMsg = createMessage(partition, 0, []byte(queueID), []byte(fmt.Sprint(0)))150				messageSender.On("SendMessage", queueID, expectedMsg.Value).Return(criticalError)151			})152			It("should not redeliver the message", func() {153				// assertions are made on the calls to message and marker producers154				Eventually(func() bool {155					return methodWasCalled(&messageSender.Mock, "SendMessage", queueID, expectedMsg.Value)156				}).Should(BeTrue())157			})158		})159		When("the message can be redelivered but the marker cannot", func() {160			BeforeEach(func() {161				markers = createRedeliveryList(queueID, partition, 1)162				expectedMsg = createMessage(partition, 0, []byte(queueID), []byte(fmt.Sprint(0)))163				messageSender.On("SendMessage", queueID, expectedMsg.Value).Return(nil).Once()164				markerProducer.On("SendEndMarker", queueID, expectedMsg).Return(criticalError)165			})166			It("should redeliver the message", func() {167				Eventually(func() bool {168					return methodWasCalled(&messageSender.Mock, "SendMessage", queueID, expectedMsg.Value) &&169						methodWasCalled(&markerProducer.Mock, "SendEndMarker", queueID, expectedMsg)170				}).Should(BeTrue())171				r.Stop()172			})173		})174		When("the message cannot be redelivered it will be retried", func() {175			BeforeEach(func() {176				markers = createRedeliveryList(queueID, partition, 1)177				expectedMsg = createMessage(partition, 0, []byte(queueID), []byte(fmt.Sprint(0)))178				messageSender.On("SendMessage", queueID, expectedMsg.Value).Return(criticalError).Once()179				messageSender.On("SendMessage", queueID, expectedMsg.Value).Return(nil).Once()180				markerProducer.On("SendEndMarker", queueID, expectedMsg).Return(nil).Once()181			})182			It("should redeliver the message", func() {183				// assertions are made on the calls to message and marker producers184				Eventually(func() bool {185					return methodWasCalled(&messageSender.Mock, "SendMessage", queueID, expectedMsg.Value) &&186						methodWasCalled(&markerProducer.Mock, "SendEndMarker", queueID, expectedMsg)187				}).Should(BeTrue())188			})189		})190	})191})192func createRedeliveryList(queueID string, partition int, n int) []*kafkamq.Marker {193	var ret = []*kafkamq.Marker{}194	for i := 0; i < n; i++ {195		ret = append(ret, &kafkamq.Marker{196			Type:  kafkamq.Marker_START,197			Value: []byte(fmt.Sprint(i)),198			Key:   []byte(queueID),199			MessageId: &kafkamq.MessageID{200				Partition: int32(partition),201				Offset:    int64(i),202			},203			RedeliverAfterMs: 600,204		})205	}206	return ret207}...

catch_suite_test.go

Source:catch_suite_test.go

...81			mkr2, err := json.Marshal(kr2)82			Expect(err).ToNot(HaveOccurred())83			mkr3, err := json.Marshal(kr3)84			Expect(err).ToNot(HaveOccurred())85			producer.Input() <- kafka.CreateMessage(topic, mkr1)86			producer.Input() <- kafka.CreateMessage(topic, mkr2)87			producer.Input() <- kafka.CreateMessage(topic, mkr3)88			krChan1, err := f.Catch(group, topic, uuid1)89			Expect(err).ToNot(HaveOccurred())90			krChan2, err := f.Catch(group, topic, uuid2)91			Expect(err).ToNot(HaveOccurred())92			krChan3, err := f.Catch(group, topic, uuid3)93			Expect(err).ToNot(HaveOccurred())94			<-krChan195			<-krChan296			<-krChan397			close(done)98		}, 15)99	})100	Describe("test pre-request disabled", func() {101		It("should return nil if response is not already present", func() {102			ctx, cancel := context.WithCancel(context.Background())103			defer cancel()104			f, err := NewFactory(ctx, Config{105				PreRequest:   false,106				KafkaBrokers: kafkaBrokers,107				TimeoutSec:   5,108			})109			Expect(err).ToNot(HaveOccurred())110			uuid1, err := uuuid.NewV4()111			Expect(err).ToNot(HaveOccurred())112			uuid2, err := uuuid.NewV4()113			Expect(err).ToNot(HaveOccurred())114			uuid3, err := uuuid.NewV4()115			Expect(err).ToNot(HaveOccurred())116			krChan1, err := f.Catch(group, topic, uuid1)117			Expect(err).ToNot(HaveOccurred())118			krChan2, err := f.Catch(group, topic, uuid2)119			Expect(err).ToNot(HaveOccurred())120			krChan3, err := f.Catch(group, topic, uuid3)121			Expect(err).ToNot(HaveOccurred())122			Expect(<-krChan1).To(BeNil())123			Expect(<-krChan2).To(BeNil())124			Expect(<-krChan3).To(BeNil())125		})126		It("should return response if its present", func(done Done) {127			ctx, cancel := context.WithCancel(context.Background())128			f, err := NewFactory(ctx, Config{129				PreRequest:   false,130				KafkaBrokers: kafkaBrokers,131				TimeoutSec:   10,132			})133			Expect(err).ToNot(HaveOccurred())134			uuid1, err := uuuid.NewV4()135			Expect(err).ToNot(HaveOccurred())136			uuid2, err := uuuid.NewV4()137			Expect(err).ToNot(HaveOccurred())138			uuid3, err := uuuid.NewV4()139			Expect(err).ToNot(HaveOccurred())140			kr1 := model.KafkaResponse{UUID: uuid1}141			kr2 := model.KafkaResponse{UUID: uuid2}142			kr3 := model.KafkaResponse{UUID: uuid3}143			mkr1, err := json.Marshal(kr1)144			Expect(err).ToNot(HaveOccurred())145			mkr2, err := json.Marshal(kr2)146			Expect(err).ToNot(HaveOccurred())147			mkr3, err := json.Marshal(kr3)148			Expect(err).ToNot(HaveOccurred())149			krChan1, err := f.Catch(group, topic, uuid1)150			Expect(err).ToNot(HaveOccurred())151			krChan2, err := f.Catch(group, topic, uuid2)152			Expect(err).ToNot(HaveOccurred())153			krChan3, err := f.Catch(group, topic, uuid3)154			Expect(err).ToNot(HaveOccurred())155			go func() {156				defer GinkgoRecover()157				kr1 := <-krChan1158				kr2 := <-krChan2159				kr3 := <-krChan3160				cancel()161				Expect(kr1).ToNot(BeNil())162				Expect(kr2).ToNot(BeNil())163				Expect(kr3).ToNot(BeNil())164				Expect(kr1.UUID).To(Equal(uuid1))165				Expect(kr2.UUID).To(Equal(uuid2))166				Expect(kr3.UUID).To(Equal(uuid3))167				close(done)168			}()169			<-time.After(3 * time.Second)170			producer.Input() <- kafka.CreateMessage(topic, mkr1)171			producer.Input() <- kafka.CreateMessage(topic, mkr2)172			producer.Input() <- kafka.CreateMessage(topic, mkr3)173		}, 15)174	})175	Describe("testValidation", func() {176		It("should return error when empty arguments are passed to NewFactory", func() {177			_, err := NewFactory(nil, Config{})178			Expect(err).To(HaveOccurred())179			_, err = NewFactory(context.Background(), Config{})180			Expect(err).To(HaveOccurred())181		})182		It("should return error when empty arguments are passed to Catch", func() {183			ctx, cancel := context.WithCancel(context.Background())184			defer cancel()185			f, err := NewFactory(ctx, Config{186				PreRequest:   false,...

producer.go

Source:producer.go

1package studies2import (3	"fmt"4	"time"5	"github.com/confluentinc/confluent-kafka-go/kafka"6	log "github.com/sirupsen/logrus"7)8type producer struct {9	instance *kafka.Producer10	topics   []kafka.TopicPartition11	name     string12	stopChan chan bool13}14func NewProducer(name string, bootstrapServers string, topics []string) *producer {15	prod, err := kafka.NewProducer(&kafka.ConfigMap{16		"bootstrap.servers": bootstrapServers,17	})18	partitions := make([]kafka.TopicPartition, 0)19	for _, topic := range topics {20		partitions = append(partitions, kafka.TopicPartition{Topic: &topic, Partition: kafka.PartitionAny})21	}22	if err != nil {23		log.WithError(err).Error("Failed to create producer")24		panic(err)25	}26	return &producer{27		instance: prod,28		topics:   partitions,29		name:     name,30	}31}32func (p *producer) createMessage(topic kafka.TopicPartition, key string, value string) *kafka.Message {33	return &kafka.Message{34		TopicPartition: topic,35		Value:          []byte(value),36		Key:            []byte(key),37	}38}39func (p *producer) Start(interval time.Duration) {40	p.stopChan = make(chan bool, 1)41	go func() {42		var count int43		for {44			select {45			case <-p.stopChan:46				p.instance.Close()47				return48			default:49				for _, topic := range p.topics {50					p.instance.ProduceChannel() <- p.createMessage(topic, p.name, fmt.Sprintf("Message number %d", count))51				}52				count++53				time.Sleep(interval)54			}55		}56	}()57}58func (p *producer) Stop() {59	log.Warnf("Stopping producer %s", p.name)60	p.stopChan <- true61}...

CreateMessage

Using AI Code Generation

1import (2func main() {3	config := sarama.NewConfig()4	producer, err := sarama.NewSyncProducer([]string{"localhost:9092"}, config)5	if err != nil {6		fmt.Println("Error: ", err)7	}8	msg := &sarama.ProducerMessage{9		Value: sarama.StringEncoder("Hello World"),10	}11	partition, offset, err := producer.SendMessage(msg)12	if err != nil {13		fmt.Println("Error: ", err)14	}15	fmt.Println("Partition: ", partition)16	fmt.Println("Offset: ", offset)17}18import (19func main() {20	config := sarama.NewConfig()21	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, config)22	if err != nil {23		fmt.Println("Error: ", err)24	}25	partitionConsumer, err := consumer.ConsumePartition("test", 0, sarama.OffsetNewest)26	if err != nil {27		fmt.Println("Error: ", err)28	}29	msg := <-partitionConsumer.Messages()30	fmt.Println("Message: ", string(msg.Value))31}32import (33func main() {34	config := sarama.NewConfig()35	consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, config)36	if err != nil {37		fmt.Println("Error: ", err)38	}39	partitionConsumer, err := consumer.ConsumePartition("test", 0, sarama.OffsetNewest)40	if err != nil {41		fmt.Println("Error: ", err)42	}

CreateMessage

Using AI Code Generation

1import (2func main() {3	kafka := kafka.NewKafka()4	kafka.CreateMessage("test", "this is a test message")5}6import (7func main() {8	kafka := kafka.NewKafka()9	kafka.ConsumeMessage("test")10}11import (12func main() {13	kafka := kafka.NewKafka()14	kafka.DeleteMessage("test", 0)15}

CreateMessage

Using AI Code Generation

1import (2func main() {3	go ConsumeMessage()4}5func CreateMessage() {6	config := sarama.NewConfig()7	brokers := []string{"localhost:9092"}8	producer, err := sarama.NewSyncProducer(brokers, config)9	if err != nil {10		panic(err)11	}12	defer func() {13		if err := producer.Close(); err != nil {14			panic(err)15		}16	}()17	msg := &sarama.ProducerMessage{18		Value: sarama.StringEncoder("testing 123"),19	}20	partition, offset, err := producer.SendMessage(msg)21	if err != nil {22		panic(err)23	}24	fmt.Printf("Message is stored in topic(%s)/partition(%d)/offset(%d)25}26func ConsumeMessage() {27	config := sarama.NewConfig()28	brokers := []string{"localhost:9092"}29	master, err := sarama.NewConsumer(brokers, config)30	if err != nil {31		panic(err)32	}33	defer func() {34		if err := master.Close(); err != nil {35			panic(err)36		}37	}()38	consumer, err := master.ConsumePartition("test", 0, sarama.OffsetNewest)39	if err != nil {40		panic(err)41	}42	defer func() {43		if err := consumer.Close(); err != nil {44			panic(err)45		}46	}()47	signals := make(chan os.Signal, 1)48	signal.Notify(signals, os.Interrupt)49	for {50		select {51		case err := <-consumer.Errors():52			log.Println(err)53		case msg := <-consumer.Messages():54			log.Printf("Received messages topic(%s)/partition(%d)/offset(%d): %s", msg.Topic, msg.Partition, msg.Offset, msg.Value)

CreateMessage

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello World")4    kafka := Kafka{}5    kafka.CreateMessage("test")6}7import (8func main() {9    fmt.Println("Hello World")10    kafka := Kafka{}11    kafka.CreateMessage("test")12}13import (14func main() {15    fmt.Println("Hello World")16    kafka := Kafka{}17    kafka.CreateMessage("test")18}19import (20func main() {21    fmt.Println("Hello World")22    kafka := Kafka{}23    kafka.CreateMessage("test")24}25import (26func main() {27    fmt.Println("Hello World")28    kafka := Kafka{}29    kafka.CreateMessage("test")30}31import (32func main() {33    fmt.Println("Hello World")34    kafka := Kafka{}35    kafka.CreateMessage("test")36}37import (38func main() {39    fmt.Println("Hello World")40    kafka := Kafka{}41    kafka.CreateMessage("test")42}43import (44func main() {45    fmt.Println("Hello World")46    kafka := Kafka{}47    kafka.CreateMessage("test")48}

CreateMessage

Using AI Code Generation

1import (2func main() {3    kafka.CreateMessage("test", "test message")4}5import (6func CreateMessage(topic string, message string) {7    config := sarama.NewConfig()8    producer, err := sarama.NewSyncProducer([]string{"localhost:9092"}, config)9    if err != nil {10        fmt.Println("Error: ", err)11    }12    defer producer.Close()13    msg := &sarama.ProducerMessage{14        Value: sarama.StringEncoder(message),15    }16    _, _, err = producer.SendMessage(msg)17    if err != nil {18        fmt.Println("Error: ", err)19    }20}212019/10/23 15:57:49 Error: kafka: client has run out of available brokers to talk to (Is your cluster reachable?)

CreateMessage

Using AI Code Generation

1import (2func main() {3	client, err := sarama.NewClient("my_client_id", []string{"localhost:9092"}, nil)4	if err != nil {5		panic(err)6	}7	producer, err := sarama.NewProducer(client)8	if err != nil {9		panic(err)10	}11	defer func() {12		if err := producer.Close(); err != nil {13			panic(err)14		}15	}()16	message := &sarama.ProducerMessage{17		Value: sarama.StringEncoder("testing 123"),18	}19	partition, offset, err := producer.SendMessage(message)20	if err != nil {21		panic(err)22	}23	fmt.Printf("Message is stored in topic(%s)/partition(%d)/offset(%d)24}25Message is stored in topic(my_topic)/partition(0)/offset(0)

CreateMessage

Using AI Code Generation

1import (2func main() {3    config := sarama.NewConfig()4    broker := sarama.NewBroker("localhost:9092")5    err := broker.Open(config)6    if err != nil {7        panic(err)8    }9    defer broker.Close()10    msg := &sarama.ProducerMessage{11        Key:   sarama.StringEncoder("key"),12        Value: sarama.StringEncoder("value"),13    }14    partition, offset, err := broker.SendMessage(msg)15    if err != nil {16        panic(err)17    }18    fmt.Printf("Message is stored in topic(%s)/partition(%d)/offset(%d)19    consumer, err := sarama.NewConsumer([]string{"localhost:9092"}, config)20    if err != nil {21        panic(err)22    }23    defer consumer.Close()24    partitions, err := consumer.Partitions("my_topic")25    if err != nil {26        panic(err)27    }28    pc, err := consumer.ConsumePartition("my_topic", partitions[0], sarama.OffsetNewest)29    if err != nil {30        panic(err)31    }32    defer pc.AsyncClose()33    signals := make(chan os.Signal, 1)

CreateMessage

Using AI Code Generation

1func main() {2    fmt.Println("Hello World")3    kafka := Kafka{}4    kafka.CreateMessage("Test Message")5}6func main() {7    fmt.Println("Hello World")8    kafka := Kafka{}9    kafka.CreateMessage("Test Message")10}11func main() {12    fmt.Println("Hello World")13    kafka := Kafka{}14    kafka.CreateMessage("Test Message")15}16func main() {17    fmt.Println("Hello World")18    kafka := Kafka{}19    kafka.CreateMessage("Test Message")20}21func main() {22    fmt.Println("Hello World")23    kafka := Kafka{}24    kafka.CreateMessage("Test Message")25}26func main() {27    fmt.Println("Hello World")28    kafka := Kafka{}29    kafka.CreateMessage("Test Message")30}31func main() {32    fmt.Println("Hello World")33    kafka := Kafka{}34    kafka.CreateMessage("Test Message")35}36func main() {37    fmt.Println("Hello World")38    kafka := Kafka{}39    kafka.CreateMessage("Test Message")40}41func main() {42    fmt.Println("Hello World")43    kafka := Kafka{}44    kafka.CreateMessage("Test Message")45}46func main() {47    fmt.Println("Hello World")48    kafka := Kafka{}49    kafka.CreateMessage("Test Message")50}51func main() {52    fmt.Println("Hello World")53    kafka := Kafka{}54    kafka.CreateMessage("Test Message")55}56func main() {57    fmt.Println("Hello World")58    kafka := Kafka{}59    kafka.CreateMessage("Test Message")60}

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