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async_producer_test.go
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async_producer_test.go
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package sarama
import (
"errors"
"log"
"os"
"os/signal"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/fortytw2/leaktest"
metrics "github.com/rcrowley/go-metrics"
)
const TestMessage = "ABC THE MESSAGE"
func closeProducer(t *testing.T, p AsyncProducer) {
var wg sync.WaitGroup
p.AsyncClose()
wg.Add(2)
go func() {
for range p.Successes() {
t.Error("Unexpected message on Successes()")
}
wg.Done()
}()
go func() {
for msg := range p.Errors() {
t.Error(msg.Err)
}
wg.Done()
}()
wg.Wait()
}
func expectResults(t *testing.T, p AsyncProducer, successes, errors int) {
expect := successes + errors
for expect > 0 {
select {
case msg := <-p.Errors():
if msg.Msg.flags != 0 {
t.Error("Message had flags set")
}
errors--
expect--
if errors < 0 {
t.Error(msg.Err)
}
case msg := <-p.Successes():
if msg.flags != 0 {
t.Error("Message had flags set")
}
successes--
expect--
if successes < 0 {
t.Error("Too many successes")
}
}
}
if successes != 0 || errors != 0 {
t.Error("Unexpected successes", successes, "or errors", errors)
}
}
type testPartitioner chan *int32
func (p testPartitioner) Partition(msg *ProducerMessage, numPartitions int32) (int32, error) {
part := <-p
if part == nil {
return 0, errors.New("BOOM")
}
return *part, nil
}
func (p testPartitioner) RequiresConsistency() bool {
return true
}
func (p testPartitioner) feed(partition int32) {
p <- &partition
}
type flakyEncoder bool
func (f flakyEncoder) Length() int {
return len(TestMessage)
}
func (f flakyEncoder) Encode() ([]byte, error) {
if !bool(f) {
return nil, errors.New("flaky encoding error")
}
return []byte(TestMessage), nil
}
func TestAsyncProducer(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leader.Addr(), leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = true
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Metadata: i}
}
for i := 0; i < 10; i++ {
select {
case msg := <-producer.Errors():
t.Error(msg.Err)
if msg.Msg.flags != 0 {
t.Error("Message had flags set")
}
case msg := <-producer.Successes():
if msg.flags != 0 {
t.Error("Message had flags set")
}
if msg.Metadata.(int) != i {
t.Error("Message metadata did not match")
}
case <-time.After(time.Second):
t.Errorf("Timeout waiting for msg #%d", i)
goto done
}
}
done:
closeProducer(t, producer)
leader.Close()
seedBroker.Close()
}
func TestAsyncProducerMultipleFlushes(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leader.Addr(), leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
leader.Returns(prodSuccess)
leader.Returns(prodSuccess)
config := NewConfig()
config.Producer.Flush.Messages = 5
config.Producer.Return.Successes = true
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for flush := 0; flush < 3; flush++ {
for i := 0; i < 5; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
expectResults(t, producer, 5, 0)
}
closeProducer(t, producer)
leader.Close()
seedBroker.Close()
}
func TestAsyncProducerMultipleBrokers(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader0 := NewMockBroker(t, 2)
leader1 := NewMockBroker(t, 3)
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leader0.Addr(), leader0.BrokerID())
metadataResponse.AddBroker(leader1.Addr(), leader1.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader0.BrokerID(), nil, nil, nil, ErrNoError)
metadataResponse.AddTopicPartition("my_topic", 1, leader1.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
prodResponse0 := new(ProduceResponse)
prodResponse0.AddTopicPartition("my_topic", 0, ErrNoError)
leader0.Returns(prodResponse0)
prodResponse1 := new(ProduceResponse)
prodResponse1.AddTopicPartition("my_topic", 1, ErrNoError)
leader1.Returns(prodResponse1)
config := NewConfig()
config.Producer.Flush.Messages = 5
config.Producer.Return.Successes = true
config.Producer.Partitioner = NewRoundRobinPartitioner
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
expectResults(t, producer, 10, 0)
closeProducer(t, producer)
leader1.Close()
leader0.Close()
seedBroker.Close()
}
func TestAsyncProducerCustomPartitioner(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leader.Addr(), leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
prodResponse := new(ProduceResponse)
prodResponse.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodResponse)
config := NewConfig()
config.Producer.Flush.Messages = 2
config.Producer.Return.Successes = true
config.Producer.Partitioner = func(topic string) Partitioner {
p := make(testPartitioner)
go func() {
p.feed(0)
p <- nil
p <- nil
p <- nil
p.feed(0)
}()
return p
}
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 5; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
expectResults(t, producer, 2, 3)
closeProducer(t, producer)
leader.Close()
seedBroker.Close()
}
func TestAsyncProducerFailureRetry(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader1 := NewMockBroker(t, 2)
leader2 := NewMockBroker(t, 3)
metadataLeader1 := new(MetadataResponse)
metadataLeader1.AddBroker(leader1.Addr(), leader1.BrokerID())
metadataLeader1.AddTopicPartition("my_topic", 0, leader1.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader1)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = true
config.Producer.Retry.Backoff = 0
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
seedBroker.Close()
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
prodNotLeader := new(ProduceResponse)
prodNotLeader.AddTopicPartition("my_topic", 0, ErrNotLeaderForPartition)
leader1.Returns(prodNotLeader)
metadataLeader2 := new(MetadataResponse)
metadataLeader2.AddBroker(leader2.Addr(), leader2.BrokerID())
metadataLeader2.AddTopicPartition("my_topic", 0, leader2.BrokerID(), nil, nil, nil, ErrNoError)
leader1.Returns(metadataLeader2)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader2.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
leader1.Close()
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
leader2.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
leader2.Close()
closeProducer(t, producer)
}
func TestAsyncProducerRecoveryWithRetriesDisabled(t *testing.T) {
tt := func(t *testing.T, kErr KError) {
seedBroker := NewMockBroker(t, 1)
leader1 := NewMockBroker(t, 2)
leader2 := NewMockBroker(t, 3)
metadataLeader1 := new(MetadataResponse)
metadataLeader1.AddBroker(leader1.Addr(), leader1.BrokerID())
metadataLeader1.AddTopicPartition("my_topic", 0, leader1.BrokerID(), nil, nil, nil, ErrNoError)
metadataLeader1.AddTopicPartition("my_topic", 1, leader1.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader1)
config := NewConfig()
config.Producer.Flush.Messages = 2
config.Producer.Return.Successes = true
config.Producer.Retry.Max = 0 // disable!
config.Producer.Retry.Backoff = 0
config.Producer.Partitioner = NewManualPartitioner
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Partition: 0}
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Partition: 1}
prodNotLeader := new(ProduceResponse)
prodNotLeader.AddTopicPartition("my_topic", 0, kErr)
prodNotLeader.AddTopicPartition("my_topic", 1, kErr)
leader1.Returns(prodNotLeader)
expectResults(t, producer, 0, 2)
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Partition: 0}
metadataLeader2 := new(MetadataResponse)
metadataLeader2.AddBroker(leader2.Addr(), leader2.BrokerID())
metadataLeader2.AddTopicPartition("my_topic", 0, leader2.BrokerID(), nil, nil, nil, ErrNoError)
metadataLeader2.AddTopicPartition("my_topic", 1, leader2.BrokerID(), nil, nil, nil, ErrNoError)
leader1.Returns(metadataLeader2)
leader1.Returns(metadataLeader2)
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Partition: 1}
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
prodSuccess.AddTopicPartition("my_topic", 1, ErrNoError)
leader2.Returns(prodSuccess)
expectResults(t, producer, 2, 0)
seedBroker.Close()
leader1.Close()
leader2.Close()
closeProducer(t, producer)
}
t.Run("retriable error", func(t *testing.T) {
tt(t, ErrNotLeaderForPartition)
})
t.Run("non-retriable error", func(t *testing.T) {
tt(t, ErrNotController)
})
}
func TestAsyncProducerEncoderFailures(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leader.Addr(), leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
leader.Returns(prodSuccess)
leader.Returns(prodSuccess)
config := NewConfig()
config.Producer.Flush.Messages = 1
config.Producer.Return.Successes = true
config.Producer.Partitioner = NewManualPartitioner
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for flush := 0; flush < 3; flush++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: flakyEncoder(true), Value: flakyEncoder(false)}
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: flakyEncoder(false), Value: flakyEncoder(true)}
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: flakyEncoder(true), Value: flakyEncoder(true)}
expectResults(t, producer, 1, 2)
}
closeProducer(t, producer)
leader.Close()
seedBroker.Close()
}
// If a Kafka broker becomes unavailable and then returns back in service, then
// producer reconnects to it and continues sending messages.
func TestAsyncProducerBrokerBounce(t *testing.T) {
// Given
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
leaderAddr := leader.Addr()
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leaderAddr, leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
config := NewConfig()
config.Producer.Flush.Messages = 1
config.Producer.Return.Successes = true
config.Producer.Retry.Backoff = 0
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
leader.Returns(prodSuccess)
expectResults(t, producer, 1, 0)
// When: a broker connection gets reset by a broker (network glitch, restart, you name it).
leader.Close() // producer should get EOF
leader = NewMockBrokerAddr(t, 2, leaderAddr) // start it up again right away for giggles
seedBroker.Returns(metadataResponse) // tell it to go to broker 2 again
// Then: a produced message goes through the new broker connection.
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
leader.Returns(prodSuccess)
expectResults(t, producer, 1, 0)
closeProducer(t, producer)
seedBroker.Close()
leader.Close()
}
func TestAsyncProducerBrokerBounceWithStaleMetadata(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader1 := NewMockBroker(t, 2)
leader2 := NewMockBroker(t, 3)
metadataLeader1 := new(MetadataResponse)
metadataLeader1.AddBroker(leader1.Addr(), leader1.BrokerID())
metadataLeader1.AddTopicPartition("my_topic", 0, leader1.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader1)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = true
config.Producer.Retry.Max = 3
config.Producer.Retry.Backoff = 0
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
leader1.Close() // producer should get EOF
seedBroker.Returns(metadataLeader1) // tell it to go to leader1 again even though it's still down
seedBroker.Returns(metadataLeader1) // tell it to go to leader1 again even though it's still down
// ok fine, tell it to go to leader2 finally
metadataLeader2 := new(MetadataResponse)
metadataLeader2.AddBroker(leader2.Addr(), leader2.BrokerID())
metadataLeader2.AddTopicPartition("my_topic", 0, leader2.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader2)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader2.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
seedBroker.Close()
leader2.Close()
closeProducer(t, producer)
}
func TestAsyncProducerMultipleRetries(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader1 := NewMockBroker(t, 2)
leader2 := NewMockBroker(t, 3)
metadataLeader1 := new(MetadataResponse)
metadataLeader1.AddBroker(leader1.Addr(), leader1.BrokerID())
metadataLeader1.AddTopicPartition("my_topic", 0, leader1.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader1)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = true
config.Producer.Retry.Max = 4
config.Producer.Retry.Backoff = 0
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
prodNotLeader := new(ProduceResponse)
prodNotLeader.AddTopicPartition("my_topic", 0, ErrNotLeaderForPartition)
leader1.Returns(prodNotLeader)
metadataLeader2 := new(MetadataResponse)
metadataLeader2.AddBroker(leader2.Addr(), leader2.BrokerID())
metadataLeader2.AddTopicPartition("my_topic", 0, leader2.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader2)
leader2.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader1)
leader1.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader1)
leader1.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader2)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader2.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
leader2.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
seedBroker.Close()
leader1.Close()
leader2.Close()
closeProducer(t, producer)
}
func TestAsyncProducerMultipleRetriesWithBackoffFunc(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader1 := NewMockBroker(t, 2)
leader2 := NewMockBroker(t, 3)
metadataLeader1 := new(MetadataResponse)
metadataLeader1.AddBroker(leader1.Addr(), leader1.BrokerID())
metadataLeader1.AddTopicPartition("my_topic", 0, leader1.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader1)
config := NewConfig()
config.Producer.Flush.Messages = 1
config.Producer.Return.Successes = true
config.Producer.Retry.Max = 4
backoffCalled := make([]int32, config.Producer.Retry.Max+1)
config.Producer.Retry.BackoffFunc = func(retries, maxRetries int) time.Duration {
atomic.AddInt32(&backoffCalled[retries-1], 1)
return 0
}
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
prodNotLeader := new(ProduceResponse)
prodNotLeader.AddTopicPartition("my_topic", 0, ErrNotLeaderForPartition)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
metadataLeader2 := new(MetadataResponse)
metadataLeader2.AddBroker(leader2.Addr(), leader2.BrokerID())
metadataLeader2.AddTopicPartition("my_topic", 0, leader2.BrokerID(), nil, nil, nil, ErrNoError)
leader1.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader2)
leader2.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader1)
leader1.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader1)
leader1.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader2)
leader2.Returns(prodSuccess)
expectResults(t, producer, 1, 0)
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
leader2.Returns(prodSuccess)
expectResults(t, producer, 1, 0)
seedBroker.Close()
leader1.Close()
leader2.Close()
closeProducer(t, producer)
for i := 0; i < config.Producer.Retry.Max; i++ {
if atomic.LoadInt32(&backoffCalled[i]) != 1 {
t.Errorf("expected one retry attempt #%d", i)
}
}
if atomic.LoadInt32(&backoffCalled[config.Producer.Retry.Max]) != 0 {
t.Errorf("expected no retry attempt #%d", config.Producer.Retry.Max)
}
}
func TestAsyncProducerOutOfRetries(t *testing.T) {
t.Skip("Enable once bug #294 is fixed.")
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leader.Addr(), leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = true
config.Producer.Retry.Backoff = 0
config.Producer.Retry.Max = 0
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
prodNotLeader := new(ProduceResponse)
prodNotLeader.AddTopicPartition("my_topic", 0, ErrNotLeaderForPartition)
leader.Returns(prodNotLeader)
for i := 0; i < 10; i++ {
select {
case msg := <-producer.Errors():
if msg.Err != ErrNotLeaderForPartition {
t.Error(msg.Err)
}
case <-producer.Successes():
t.Error("Unexpected success")
}
}
seedBroker.Returns(metadataResponse)
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
leader.Close()
seedBroker.Close()
safeClose(t, producer)
}
func TestAsyncProducerRetryWithReferenceOpen(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
leaderAddr := leader.Addr()
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leaderAddr, leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
metadataResponse.AddTopicPartition("my_topic", 1, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
config := NewConfig()
config.Producer.Return.Successes = true
config.Producer.Retry.Backoff = 0
config.Producer.Retry.Max = 1
config.Producer.Partitioner = NewRoundRobinPartitioner
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
// prime partition 0
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
expectResults(t, producer, 1, 0)
// prime partition 1
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
prodSuccess = new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 1, ErrNoError)
leader.Returns(prodSuccess)
expectResults(t, producer, 1, 0)
// reboot the broker (the producer will get EOF on its existing connection)
leader.Close()
leader = NewMockBrokerAddr(t, 2, leaderAddr)
// send another message on partition 0 to trigger the EOF and retry
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
// tell partition 0 to go to that broker again
seedBroker.Returns(metadataResponse)
// succeed this time
prodSuccess = new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
expectResults(t, producer, 1, 0)
// shutdown
closeProducer(t, producer)
seedBroker.Close()
leader.Close()
}
func TestAsyncProducerFlusherRetryCondition(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataResponse := new(MetadataResponse)
metadataResponse.AddBroker(leader.Addr(), leader.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
metadataResponse.AddTopicPartition("my_topic", 1, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataResponse)
config := NewConfig()
config.Producer.Flush.Messages = 5
config.Producer.Return.Successes = true
config.Producer.Retry.Backoff = 0
config.Producer.Retry.Max = 1
config.Producer.Partitioner = NewManualPartitioner
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
// prime partitions
for p := int32(0); p < 2; p++ {
for i := 0; i < 5; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Partition: p}
}
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", p, ErrNoError)
leader.Returns(prodSuccess)
expectResults(t, producer, 5, 0)
}
// send more messages on partition 0
for i := 0; i < 5; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Partition: 0}
}
prodNotLeader := new(ProduceResponse)
prodNotLeader.AddTopicPartition("my_topic", 0, ErrNotLeaderForPartition)
leader.Returns(prodNotLeader)
time.Sleep(50 * time.Millisecond)
leader.SetHandlerByMap(map[string]MockResponse{
"ProduceRequest": NewMockProduceResponse(t).
SetVersion(0).
SetError("my_topic", 0, ErrNoError),
})
// tell partition 0 to go to that broker again
seedBroker.Returns(metadataResponse)
// succeed this time
expectResults(t, producer, 5, 0)
// put five more through
for i := 0; i < 5; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage), Partition: 0}
}
expectResults(t, producer, 5, 0)
// shutdown
closeProducer(t, producer)
seedBroker.Close()
leader.Close()
}
func TestAsyncProducerRetryShutdown(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataLeader := new(MetadataResponse)
metadataLeader.AddBroker(leader.Addr(), leader.BrokerID())
metadataLeader.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = true
config.Producer.Retry.Backoff = 0
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
producer.AsyncClose()
time.Sleep(5 * time.Millisecond) // let the shutdown goroutine kick in
producer.Input() <- &ProducerMessage{Topic: "FOO"}
if err := <-producer.Errors(); err.Err != ErrShuttingDown {
t.Error(err)
}
prodNotLeader := new(ProduceResponse)
prodNotLeader.AddTopicPartition("my_topic", 0, ErrNotLeaderForPartition)
leader.Returns(prodNotLeader)
seedBroker.Returns(metadataLeader)
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
seedBroker.Close()
leader.Close()
// wait for the async-closed producer to shut down fully
for err := range producer.Errors() {
t.Error(err)
}
}
func TestAsyncProducerNoReturns(t *testing.T) {
seedBroker := NewMockBroker(t, 1)
leader := NewMockBroker(t, 2)
metadataLeader := new(MetadataResponse)
metadataLeader.AddBroker(leader.Addr(), leader.BrokerID())
metadataLeader.AddTopicPartition("my_topic", 0, leader.BrokerID(), nil, nil, nil, ErrNoError)
seedBroker.Returns(metadataLeader)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = false
config.Producer.Return.Errors = false
config.Producer.Retry.Backoff = 0
producer, err := NewAsyncProducer([]string{seedBroker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
wait := make(chan bool)
go func() {
if err := producer.Close(); err != nil {
t.Error(err)
}
close(wait)
}()
prodSuccess := new(ProduceResponse)
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
leader.Returns(prodSuccess)
<-wait
seedBroker.Close()
leader.Close()
}
func TestAsyncProducerIdempotentGoldenPath(t *testing.T) {
broker := NewMockBroker(t, 1)
metadataResponse := &MetadataResponse{
Version: 1,
ControllerID: 1,
}
metadataResponse.AddBroker(broker.Addr(), broker.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, broker.BrokerID(), nil, nil, nil, ErrNoError)
broker.Returns(metadataResponse)
initProducerID := &InitProducerIDResponse{
ThrottleTime: 0,
ProducerID: 1000,
ProducerEpoch: 1,
}
broker.Returns(initProducerID)
config := NewConfig()
config.Producer.Flush.Messages = 10
config.Producer.Return.Successes = true
config.Producer.Retry.Max = 4
config.Producer.RequiredAcks = WaitForAll
config.Producer.Retry.Backoff = 0
config.Producer.Idempotent = true
config.Net.MaxOpenRequests = 1
config.Version = V0_11_0_0
producer, err := NewAsyncProducer([]string{broker.Addr()}, config)
if err != nil {
t.Fatal(err)
}
for i := 0; i < 10; i++ {
producer.Input() <- &ProducerMessage{Topic: "my_topic", Key: nil, Value: StringEncoder(TestMessage)}
}
prodSuccess := &ProduceResponse{
Version: 3,
ThrottleTime: 0,
}
prodSuccess.AddTopicPartition("my_topic", 0, ErrNoError)
broker.Returns(prodSuccess)
expectResults(t, producer, 10, 0)
broker.Close()
closeProducer(t, producer)
}
func TestAsyncProducerIdempotentRetryCheckBatch(t *testing.T) {
//Logger = log.New(os.Stderr, "", log.LstdFlags)
tests := []struct {
name string
failAfterWrite bool
}{
{"FailAfterWrite", true},
{"FailBeforeWrite", false},
}
for _, test := range tests {
broker := NewMockBroker(t, 1)
metadataResponse := &MetadataResponse{
Version: 1,
ControllerID: 1,
}
metadataResponse.AddBroker(broker.Addr(), broker.BrokerID())
metadataResponse.AddTopicPartition("my_topic", 0, broker.BrokerID(), nil, nil, nil, ErrNoError)
initProducerIDResponse := &InitProducerIDResponse{
ThrottleTime: 0,
ProducerID: 1000,
ProducerEpoch: 1,
}
prodNotLeaderResponse := &ProduceResponse{
Version: 3,
ThrottleTime: 0,
}
prodNotLeaderResponse.AddTopicPartition("my_topic", 0, ErrNotEnoughReplicas)
prodDuplicate := &ProduceResponse{
Version: 3,
ThrottleTime: 0,
}
prodDuplicate.AddTopicPartition("my_topic", 0, ErrDuplicateSequenceNumber)
prodOutOfSeq := &ProduceResponse{
Version: 3,
ThrottleTime: 0,
}
prodOutOfSeq.AddTopicPartition("my_topic", 0, ErrOutOfOrderSequenceNumber)
prodSuccessResponse := &ProduceResponse{
Version: 3,
ThrottleTime: 0,
}
prodSuccessResponse.AddTopicPartition("my_topic", 0, ErrNoError)
prodCounter := 0
lastBatchFirstSeq := -1
lastBatchSize := -1
lastSequenceWrittenToDisk := -1
handlerFailBeforeWrite := func(req *request) (res encoder) {
switch req.body.key() {
case 3:
return metadataResponse
case 22:
return initProducerIDResponse
case 0:
prodCounter++
preq := req.body.(*ProduceRequest)