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//go:build functional
package sarama
import (
"encoding/json"
"errors"
"math"
"reflect"
"sync/atomic"
"testing"
)
func TestFuncConsumerGroupStaticMembership_Basic(t *testing.T) {
checkKafkaVersion(t, "2.3.0")
setupFunctionalTest(t)
defer teardownFunctionalTest(t)
groupID := testFuncConsumerGroupID(t)
t.Helper()
config1 := NewFunctionalTestConfig()
config1.ClientID = "M1"
config1.Consumer.Offsets.Initial = OffsetNewest
config1.Consumer.Group.InstanceId = "Instance1"
m1 := runTestFuncConsumerGroupMemberWithConfig(t, config1, groupID, 100, nil, "test.4")
defer m1.Close()
config2 := NewFunctionalTestConfig()
config2.ClientID = "M2"
config2.Consumer.Offsets.Initial = OffsetNewest
config2.Consumer.Group.InstanceId = "Instance2"
m2 := runTestFuncConsumerGroupMemberWithConfig(t, config2, groupID, 100, nil, "test.4")
defer m2.Close()
m1.WaitForState(2)
m2.WaitForState(2)
err := testFuncConsumerGroupProduceMessage("test.4", 1000)
if err != nil {
t.Fatal(err)
}
admin, err := NewClusterAdmin(FunctionalTestEnv.KafkaBrokerAddrs, config1)
if err != nil {
t.Fatal(err)
}
defer safeClose(t, admin)
res, err := admin.DescribeConsumerGroups([]string{groupID})
if err != nil {
t.Fatal(err)
}
if len(res) != 1 {
t.Errorf("group description should be only 1, got %v\n", len(res))
}
if len(res[0].Members) != 2 {
t.Errorf("should have 2 members in group , got %v\n", len(res[0].Members))
}
m1.WaitForState(4)
m2.WaitForState(4)
m1.AssertCleanShutdown()
m2.AssertCleanShutdown()
}
func TestFuncConsumerGroupStaticMembership_RejoinAndLeave(t *testing.T) {
checkKafkaVersion(t, "2.4.0")
setupFunctionalTest(t)
defer teardownFunctionalTest(t)
groupID := testFuncConsumerGroupID(t)
t.Helper()
config1 := NewFunctionalTestConfig()
config1.ClientID = "M1"
config1.Consumer.Offsets.Initial = OffsetNewest
config1.Consumer.Group.InstanceId = "Instance1"
m1 := runTestFuncConsumerGroupMemberWithConfig(t, config1, groupID, math.MaxInt32, nil, "test.4")
defer m1.Close()
config2 := NewFunctionalTestConfig()
config2.ClientID = "M2"
config2.Consumer.Offsets.Initial = OffsetNewest
config2.Consumer.Group.InstanceId = "Instance2"
m2 := runTestFuncConsumerGroupMemberWithConfig(t, config2, groupID, math.MaxInt32, nil, "test.4")
defer m2.Close()
m1.WaitForState(2)
m2.WaitForState(2)
admin, err := NewClusterAdmin(FunctionalTestEnv.KafkaBrokerAddrs, config1)
if err != nil {
t.Fatal(err)
}
defer safeClose(t, admin)
res1, err := admin.DescribeConsumerGroups([]string{groupID})
if err != nil {
t.Fatal(err)
}
if len(res1) != 1 {
t.Errorf("group description should be only 1, got %v\n", len(res1))
}
if len(res1[0].Members) != 2 {
t.Errorf("should have 2 members in group , got %v\n", len(res1[0].Members))
}
generationId1 := m1.generationId
// shut down m2, membership should not change (we didn't leave group when close)
m2.AssertCleanShutdown()
res2, err := admin.DescribeConsumerGroups([]string{groupID})
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(res1, res2) {
res1Bytes, _ := json.Marshal(res1)
res2Bytes, _ := json.Marshal(res2)
t.Errorf("group description be the same before %s, after %s", res1Bytes, res2Bytes)
}
generationId2 := atomic.LoadInt32(&m1.generationId)
if generationId2 != generationId1 {
t.Errorf("m1 generation should not increase expect %v, actual %v", generationId1, generationId2)
}
// m2 rejoin, should generate a new memberId, no re-balance happens
m2 = runTestFuncConsumerGroupMemberWithConfig(t, config2, groupID, math.MaxInt32, nil, "test.4")
m2.WaitForState(2)
m1.WaitForState(2)
res3, err := admin.DescribeConsumerGroups([]string{groupID})
if err != nil {
t.Fatal(err)
}
if err != nil {
t.Fatal(err)
}
if len(res3) != 1 {
t.Errorf("group description should be only 1, got %v\n", len(res3))
}
if len(res3[0].Members) != 2 {
t.Errorf("should have 2 members in group , got %v\n", len(res3[0].Members))
}
generationId3 := atomic.LoadInt32(&m1.generationId)
if generationId3 != generationId1 {
t.Errorf("m1 generation should not increase expect %v, actual %v", generationId1, generationId2)
}
m2.AssertCleanShutdown()
removeResp, err := admin.RemoveMemberFromConsumerGroup(groupID, []string{config2.Consumer.Group.InstanceId})
if err != nil {
t.Fatal(err)
}
if removeResp.Err != ErrNoError {
t.Errorf("remove %s from consumer group failed %v", config2.Consumer.Group.InstanceId, removeResp.Err)
}
m1.WaitForHandlers(4)
generationId4 := atomic.LoadInt32(&m1.generationId)
if generationId4 == generationId1 {
t.Errorf("m1 generation should increase expect %v, actual %v", generationId1, generationId2)
}
}
func TestFuncConsumerGroupStaticMembership_Fenced(t *testing.T) {
checkKafkaVersion(t, "2.3.0")
setupFunctionalTest(t)
defer teardownFunctionalTest(t)
groupID := testFuncConsumerGroupID(t)
t.Helper()
config1 := NewFunctionalTestConfig()
config1.ClientID = "M1"
config1.Consumer.Offsets.Initial = OffsetNewest
config1.Consumer.Group.InstanceId = "Instance1"
m1 := runTestFuncConsumerGroupMemberWithConfig(t, config1, groupID, math.MaxInt32, nil, "test.4")
defer m1.Close()
config2 := NewFunctionalTestConfig()
config2.ClientID = "M2"
config2.Consumer.Offsets.Initial = OffsetNewest
config2.Consumer.Group.InstanceId = "Instance2"
m2 := runTestFuncConsumerGroupMemberWithConfig(t, config2, groupID, math.MaxInt32, nil, "test.4")
defer m2.Close()
m1.WaitForState(2)
m2.WaitForState(2)
config3 := NewFunctionalTestConfig()
config3.ClientID = "M3"
config3.Consumer.Offsets.Initial = OffsetNewest
config3.Consumer.Group.InstanceId = "Instance2" // same instance id as config2
m3 := runTestFuncConsumerGroupMemberWithConfig(t, config3, groupID, math.MaxInt32, nil, "test.4")
defer m3.Close()
m3.WaitForState(2)
m2.WaitForState(4)
if len(m2.errs) < 1 {
t.Errorf("expect m2 to be fenced by group instanced id, but got no err")
}
if !errors.Is(m2.errs[0], ErrFencedInstancedId) {
t.Errorf("expect m2 to be fenced by group instanced id, but got wrong err %v", m2.errs[0])
}
m1.AssertCleanShutdown()
m3.AssertCleanShutdown()
}
// --------------------------------------------------------------------
func testFuncConsumerGroupProduceMessage(topic string, count int) error {
client, err := NewClient(FunctionalTestEnv.KafkaBrokerAddrs, NewFunctionalTestConfig())
if err != nil {
return err
}
defer func() { _ = client.Close() }()
producer, err := NewAsyncProducerFromClient(client)
if err != nil {
return err
}
for i := 0; i < count; i++ {
producer.Input() <- &ProducerMessage{Topic: topic, Value: ByteEncoder([]byte("testdata"))}
}
return producer.Close()
}
|
