新增kafka模块

sysmodule/kafkamodule/Admin.go

@@ -0,0 +1,65 @@
+package kafkamodule
+
+import "github.com/IBM/sarama"
+
+type KafkaAdmin struct {
+	sarama.ClusterAdmin
+
+	mapTopic map[string]sarama.TopicDetail
+}
+
+func (ka *KafkaAdmin) Setup(kafkaVersion string, addrs []string) error {
+	config := sarama.NewConfig()
+	var err error
+	config.Version, err = sarama.ParseKafkaVersion(kafkaVersion)
+	if err != nil {
+		return err
+	}
+
+	ka.ClusterAdmin, err = sarama.NewClusterAdmin(addrs, config)
+	if err != nil {
+		return err
+	}
+
+	ka.mapTopic, err = ka.GetTopics()
+	if err != nil {
+		ka.ClusterAdmin.Close()
+		return err
+	}
+
+	return nil
+}
+
+func (ka *KafkaAdmin) RefreshTopic() error {
+	var err error
+	ka.mapTopic, err = ka.GetTopics()
+
+	return err
+}
+
+func (ka *KafkaAdmin) HasTopic(topic string) bool {
+	_, ok := ka.mapTopic[topic]
+
+	return ok
+}
+
+func (ka *KafkaAdmin) GetTopicDetail(topic string) *sarama.TopicDetail {
+	topicDetail, ok := ka.mapTopic[topic]
+	if ok == false {
+		return nil
+	}
+
+	return &topicDetail
+}
+
+func (ka *KafkaAdmin) GetTopics() (map[string]sarama.TopicDetail, error) {
+	return ka.ListTopics()
+}
+
+// CreateTopic 创建主题
+// numPartitions分区数
+// replicationFactor副本数
+// validateOnly参数执行操作时只进行参数验证而不实际执行操作
+func (ka *KafkaAdmin) CreateTopic(topic string, numPartitions int32, replicationFactor int16, validateOnly bool) error {
+	return ka.ClusterAdmin.CreateTopic(topic, &sarama.TopicDetail{NumPartitions: numPartitions, ReplicationFactor: replicationFactor}, validateOnly)
+}

sysmodule/kafkamodule/Consumer.go

@@ -0,0 +1,289 @@
+package kafkamodule
+
+import (
+	"context"
+	"fmt"
+	"github.com/IBM/sarama"
+	"github.com/duanhf2012/origin/v2/log"
+	"sync"
+	"time"
+)
+
+type ConsumerGroup struct {
+	sarama.ConsumerGroup
+	waitGroup sync.WaitGroup
+
+	chanExit chan error
+	ready    chan bool
+	cancel   context.CancelFunc
+	groupId  string
+}
+
+func NewConsumerConfig(kafkaVersion string, assignor string, offsetsInitial int64) (*sarama.Config, error) {
+	var err error
+
+	config := sarama.NewConfig()
+	config.Version, err = sarama.ParseKafkaVersion(kafkaVersion)
+	config.Consumer.Offsets.Initial = offsetsInitial
+	config.Consumer.Offsets.AutoCommit.Enable = false
+
+	switch assignor {
+	case "sticky":
+		// 黏性roundRobin,rebalance之后首先保证前面的分配,从后面剥离
+		// topic:T0{P0,P1,P2,P3,P4,P5},消费者:C1,C2
+		//	---------------before rebalance:即roundRobin
+		// C1: T0{P0}	 T0{P2}		T0{P4}
+		// C2:      T0{P1}    T0{P3}     T0{P5}
+		// ----------------after rebalance:增加了一个消费者
+		// C1: T0{P0}	 T0{P2}
+		// C2:      T0{P1}    T0{P3}
+		// C3:						 T0{P4}   T0{P5} until每个消费者的分区数误差不超过1
+		config.Consumer.Group.Rebalance.GroupStrategies = []sarama.BalanceStrategy{sarama.NewBalanceStrategySticky()}
+	case "roundrobin":
+		// roundRobin --逐个平均分发
+		// topic: T0{P0,P1,P2},T1{P0,P1,P2,P3}两个消费者C1,C2
+		// C1: T0{P0}	 T0{P2}	   T1{P1}     T1{P3}
+		// C2: 		T0{P1}	  T1{P0}    T1{P2}
+		config.Consumer.Group.Rebalance.GroupStrategies = []sarama.BalanceStrategy{sarama.NewBalanceStrategyRoundRobin()}
+	case "range":
+		// 默认值 --一次平均分发
+		// topic: T0{P0,P1,P2,P3},T1{P0,P1,P2,P3},两个消费者C1,C2
+		// T1分区总数6 / 消费者数2 = 3 ,即该会话的分区每个消费者分3个
+		// T2分区总数4 / 消费者数2 = 2 ,即该会话的分区每个消费者分2个
+		// C1: T0{P0, P1, P2} 			  T1{P0, P1}
+		// C2: 				T0{P3, P4, P5}  		 T1{P2, P3}
+		config.Consumer.Group.Rebalance.GroupStrategies = []sarama.BalanceStrategy{sarama.NewBalanceStrategyRange()}
+	default:
+		return nil, fmt.Errorf("Unrecognized consumer group partition assignor: %s", assignor)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return config, nil
+}
+
+type IMsgReceiver interface {
+	Receiver(msgs []*sarama.ConsumerMessage) bool
+}
+
+func (c *ConsumerGroup) Setup(addr []string, topics []string, groupId string, config *sarama.Config, receiverInterval time.Duration, maxReceiverNum int, msgReceiver IMsgReceiver) error {
+	var err error
+	c.ConsumerGroup, err = sarama.NewConsumerGroup(addr, groupId, config)
+	if err != nil {
+		return nil
+	}
+	c.groupId = groupId
+	c.chanExit = make(chan error, 1)
+
+	var handler ConsumerGroupHandler
+	handler.receiver = msgReceiver
+	handler.maxReceiverNum = maxReceiverNum
+	handler.receiverInterval = receiverInterval
+	handler.chanExit = c.chanExit
+
+	var ctx context.Context
+	ctx, c.cancel = context.WithCancel(context.Background())
+
+	c.waitGroup.Add(1)
+	go func() {
+		defer c.waitGroup.Done()
+
+		for {
+			if err = c.Consume(ctx, topics, &handler); err != nil {
+				// 当setup失败的时候，error会返回到这里
+				log.Error("Error from consumer", log.Any("err", err))
+				return
+			}
+
+			// check if context was cancelled, signaling that the consumer should stop
+			if ctx.Err() != nil {
+				log.Info("consumer stop", log.Any("info", ctx.Err()))
+			}
+
+			c.chanExit <- err
+		}
+	}()
+
+	err = <-c.chanExit
+	//已经准备好了
+	return err
+}
+
+func (c *ConsumerGroup) Close() {
+	log.Info("close consumerGroup")
+	//1.cancel掉
+	c.cancel()
+
+	//2.关闭连接
+	err := c.ConsumerGroup.Close()
+	if err != nil {
+		log.Error("close consumerGroup fail", log.Any("err", err.Error()))
+	}
+
+	//3.等待退出
+	c.waitGroup.Wait()
+}
+
+type ConsumerGroupHandler struct {
+	receiver IMsgReceiver
+
+	receiverInterval time.Duration
+	maxReceiverNum   int
+
+	//mapTopicOffset map[string]map[int32]int //map[topic]map[partitionId]offsetInfo
+	mapTopicData map[string]*MsgData
+	mx           sync.Mutex
+
+	chanExit    chan error
+	isRebalance bool //是否为再平衡
+	//stopSig      *int32
+}
+
+type MsgData struct {
+	sync.Mutex
+	msg []*sarama.ConsumerMessage
+
+	mapPartitionOffset map[int32]int64
+}
+
+func (ch *ConsumerGroupHandler) Flush(session sarama.ConsumerGroupSession, topic string) {
+	if topic != "" {
+		msgData := ch.GetMsgData(topic)
+		msgData.flush(session, ch.receiver, topic)
+		return
+	}
+
+	for tp, msgData := range ch.mapTopicData {
+		msgData.flush(session, ch.receiver, tp)
+	}
+}
+
+func (ch *ConsumerGroupHandler) GetMsgData(topic string) *MsgData {
+	ch.mx.Lock()
+	defer ch.mx.Unlock()
+
+	msgData := ch.mapTopicData[topic]
+	if msgData == nil {
+		msgData = &MsgData{}
+		msgData.msg = make([]*sarama.ConsumerMessage, 0, ch.maxReceiverNum)
+		ch.mapTopicData[topic] = msgData
+	}
+
+	return msgData
+}
+
+func (md *MsgData) flush(session sarama.ConsumerGroupSession, receiver IMsgReceiver, topic string) {
+	if len(md.msg) == 0 {
+		return
+	}
+
+	//发送给接收者
+	for {
+		ok := receiver.Receiver(md.msg)
+		if ok == true {
+			break
+		}
+	}
+
+	for pId, offset := range md.mapPartitionOffset {
+
+		session.MarkOffset(topic, pId, offset+1, "")
+		log.Info(fmt.Sprintf("topic %s,pid %d,offset %d", topic, pId, offset+1))
+	}
+	session.Commit()
+	//log.Info("commit")
+	//time.Sleep(1000 * time.Second)
+	//置空
+	md.msg = md.msg[:0]
+	clear(md.mapPartitionOffset)
+}
+
+func (md *MsgData) appendMsg(session sarama.ConsumerGroupSession, msg *sarama.ConsumerMessage, receiver IMsgReceiver, maxReceiverNum int) {
+	md.Lock()
+	defer md.Unlock()
+
+	//收到的offset只会越来越大在
+	if md.mapPartitionOffset == nil {
+		md.mapPartitionOffset = make(map[int32]int64, 10)
+	}
+
+	md.mapPartitionOffset[msg.Partition] = msg.Offset
+
+	md.msg = append(md.msg, msg)
+	if len(md.msg) < maxReceiverNum {
+		return
+	}
+
+	md.flush(session, receiver, msg.Topic)
+}
+
+func (ch *ConsumerGroupHandler) AppendMsg(session sarama.ConsumerGroupSession, msg *sarama.ConsumerMessage) {
+	dataMsg := ch.GetMsgData(msg.Topic)
+	dataMsg.appendMsg(session, msg, ch.receiver, ch.maxReceiverNum)
+}
+
+func (ch *ConsumerGroupHandler) Setup(session sarama.ConsumerGroupSession) error {
+	ch.mapTopicData = make(map[string]*MsgData, 128)
+
+	if ch.isRebalance == false {
+		ch.chanExit <- nil
+	}
+
+	ch.isRebalance = true
+	return nil
+}
+
+func (ch *ConsumerGroupHandler) Cleanup(session sarama.ConsumerGroupSession) error {
+	ch.Flush(session, "")
+	return nil
+}
+
+func (ch *ConsumerGroupHandler) ConsumeClaim(session sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
+
+	ticker := time.NewTicker(ch.receiverInterval)
+
+	for {
+		select {
+		case msg := <-claim.Messages():
+			if msg == nil {
+				log.SWarning("claim will exit", log.Any("topic", claim.Topic()), log.Any("Partition", claim.Partition()))
+				return nil
+			}
+			ch.AppendMsg(session, msg)
+		case <-ticker.C:
+			ch.Flush(session, claim.Topic())
+		case <-session.Context().Done():
+			return nil
+		}
+	}
+}
+
+/*
+阿里云参数说明：https://sls.aliyun.com/doc/oscompatibledemo/sarama_go_kafka_consume.html
+conf.Net.TLS.Enable = true
+	conf.Net.SASL.Enable = true
+	conf.Net.SASL.User = project
+	conf.Net.SASL.Password = fmt.Sprintf("%s#%s", accessId, accessKey)
+	conf.Net.SASL.Mechanism = "PLAIN"
+
+
+
+	conf.Net.TLS.Enable = true
+	conf.Net.SASL.Enable = true
+	conf.Net.SASL.User = project
+	conf.Net.SASL.Password = fmt.Sprintf("%s#%s", accessId, accessKey)
+	conf.Net.SASL.Mechanism = "PLAIN"
+
+	conf.Consumer.Fetch.Min = 1
+	conf.Consumer.Fetch.Default = 1024 * 1024
+	conf.Consumer.Retry.Backoff = 2 * time.Second
+	conf.Consumer.MaxWaitTime = 250 * time.Millisecond
+	conf.Consumer.MaxProcessingTime = 100 * time.Millisecond
+	conf.Consumer.Return.Errors = false
+	conf.Consumer.Offsets.AutoCommit.Enable = true
+	conf.Consumer.Offsets.AutoCommit.Interval = 1 * time.Second
+	conf.Consumer.Offsets.Initial = sarama.OffsetOldest
+	conf.Consumer.Offsets.Retry.Max = 3
+*/

sysmodule/kafkamodule/Producer.go

@@ -0,0 +1,146 @@
+package kafkamodule
+
+import (
+	"context"
+	"github.com/IBM/sarama"
+	"github.com/duanhf2012/origin/v2/log"
+	"github.com/duanhf2012/origin/v2/service"
+	"time"
+)
+
+type IProducer interface {
+}
+
+type SyncProducer struct {
+}
+
+type AsyncProducer struct {
+}
+
+type Producer struct {
+	service.Module
+
+	sarama.SyncProducer
+
+	sarama.AsyncProducer
+}
+
+// NewProducerConfig 新建producerConfig
+// kafkaVersion kafka版本
+// returnErr，returnSucc 是否返回错误与成功
+// requiredAcks  -1 #全量同步确认，强可靠性保证（当所有的 leader 和 follower 都接收成功时）#WaitForAll  1   #leader 确认收到, 默认（仅 leader 反馈）#WaitForLocal  0 #不确认，但是吞吐量大（不 care 结果） #NoResponse
+// Idempotent（幂等） 确保信息都准确写入一份副本,用于幂等生产者，当这一项设置为true的时候，生产者将保证生产的消息一定是有序且精确一次的
+// partitioner 生成分区器，用于选择向哪个分区发送信息,默认情况下对消息密钥进行散列
+func NewProducerConfig(kafkaVersion string, returnErr bool, returnSucc bool, requiredAcks sarama.RequiredAcks, Idempotent bool,
+	partitioner sarama.PartitionerConstructor) (*sarama.Config, error) {
+	config := sarama.NewConfig()
+	var err error
+	config.Version, err = sarama.ParseKafkaVersion(kafkaVersion)
+	if err != nil {
+		return nil, err
+	}
+
+	config.Producer.Return.Errors = returnErr
+	config.Producer.Return.Successes = returnSucc
+	config.Producer.RequiredAcks = requiredAcks
+	config.Producer.Partitioner = partitioner
+	config.Producer.Timeout = 10 * time.Second
+
+	config.Producer.Idempotent = Idempotent
+	if Idempotent == true {
+		config.Net.MaxOpenRequests = 1
+	}
+	return config, nil
+}
+
+func (p *Producer) SyncSetup(addr []string, config *sarama.Config) error {
+	var err error
+	p.SyncProducer, err = sarama.NewSyncProducer(addr, config)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (p *Producer) ASyncSetup(addr []string, config *sarama.Config) error {
+	var err error
+	p.AsyncProducer, err = sarama.NewAsyncProducer(addr, config)
+	if err != nil {
+		return err
+	}
+
+	go func() {
+		p.asyncRun()
+	}()
+	return nil
+}
+
+func (p *Producer) asyncRun() {
+	for {
+		select {
+		case sm := <-p.Successes():
+			if sm.Metadata == nil {
+				break
+			}
+			asyncReturn := sm.Metadata.(*AsyncReturn)
+			asyncReturn.chanReturn <- asyncReturn
+		case em := <-p.Errors():
+			log.Error("async kafkamodule error", log.ErrorAttr("err", em.Err))
+			if em.Msg.Metadata == nil {
+				break
+			}
+			asyncReturn := em.Msg.Metadata.(*AsyncReturn)
+			asyncReturn.Err = em.Err
+			asyncReturn.chanReturn <- asyncReturn
+		}
+	}
+}
+
+type AsyncReturn struct {
+	Msg        *sarama.ProducerMessage
+	Err        error
+	chanReturn chan *AsyncReturn
+}
+
+func (ar *AsyncReturn) WaitOk(ctx context.Context) (*sarama.ProducerMessage, error) {
+	asyncReturn := ar.Msg.Metadata.(*AsyncReturn)
+	select {
+	case <-asyncReturn.chanReturn:
+		return asyncReturn.Msg, asyncReturn.Err
+	case <-ctx.Done():
+		return nil, ctx.Err()
+	}
+}
+
+func (p *Producer) AsyncSendMessage(msg *sarama.ProducerMessage) *AsyncReturn {
+	asyncReturn := AsyncReturn{Msg: msg, chanReturn: make(chan *AsyncReturn, 1)}
+	msg.Metadata = &asyncReturn
+	p.AsyncProducer.Input() <- msg
+
+	return &asyncReturn
+}
+
+func (p *Producer) AsyncPushMessage(msg *sarama.ProducerMessage) {
+	p.AsyncProducer.Input() <- msg
+}
+
+func (p *Producer) Close() {
+	if p.SyncProducer != nil {
+		p.SyncProducer.Close()
+		p.SyncProducer = nil
+	}
+
+	if p.AsyncProducer != nil {
+		p.AsyncProducer.Close()
+		p.AsyncProducer = nil
+	}
+}
+
+func (p *Producer) SendMessage(msg *sarama.ProducerMessage) (partition int32, offset int64, err error) {
+	return p.SyncProducer.SendMessage(msg)
+}
+
+func (p *Producer) SendMessages(msgs []*sarama.ProducerMessage) error {
+	return p.SyncProducer.SendMessages(msgs)
+}

sysmodule/kafkamodule/ProducerAndConsumer_test.go

@@ -0,0 +1,151 @@
+package kafkamodule
+
+import (
+	"context"
+	"fmt"
+	"github.com/IBM/sarama"
+	"testing"
+	"time"
+)
+
+// 对各参数和机制名称的说明：https://blog.csdn.net/u013311345/article/details/129217728
+type MsgReceiver struct {
+	t *testing.T
+}
+
+func (mr *MsgReceiver) Receiver(msgs []*sarama.ConsumerMessage) bool {
+	for _, m := range msgs {
+		mr.t.Logf("time:%s, topic:%s, partition:%d, offset:%d, key:%s, value:%s", time.Now().Format("2006-01-02 15:04:05.000"), m.Topic, m.Partition, m.Offset, m.Key, string(m.Value))
+	}
+
+	return true
+}
+
+var addr = []string{"192.168.13.24:9092", "192.168.13.24:9093", "192.168.13.24:9094", "192.168.13.24:9095"}
+var topicName = []string{"test_topic_1", "test_topic_2"}
+var kafkaVersion = "3.3.1"
+
+func producer(t *testing.T) {
+	var admin KafkaAdmin
+	err := admin.Setup(kafkaVersion, addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, tName := range topicName {
+		if admin.HasTopic(tName) == false {
+			err = admin.CreateTopic(tName, 2, 2, false)
+			t.Log(err)
+		}
+	}
+
+	var pd Producer
+	cfg, err := NewProducerConfig(kafkaVersion, true, true, sarama.WaitForAll, false, sarama.NewHashPartitioner)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = pd.SyncSetup(addr, cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	now := time.Now()
+
+	//msgs := make([]*sarama.ProducerMessage, 0, 20000)
+	for i := 0; i < 20000; i++ {
+		var msg sarama.ProducerMessage
+		msg.Key = sarama.StringEncoder(fmt.Sprintf("%d", i))
+		msg.Topic = topicName[0]
+		msg.Value = sarama.StringEncoder(fmt.Sprintf("i'm %d", i))
+		pd.SendMessage(&msg)
+		//msgs = append(msgs, &msg)
+	}
+	//err = pd.SendMessages(msgs)
+	//t.Log(err)
+	t.Log(time.Now().Sub(now).Milliseconds())
+	pd.Close()
+}
+
+func producer_async(t *testing.T) {
+	var admin KafkaAdmin
+	err := admin.Setup(kafkaVersion, addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, tName := range topicName {
+		if admin.HasTopic(tName) == false {
+			err = admin.CreateTopic(tName, 10, 2, false)
+			t.Log(err)
+		}
+	}
+
+	var pd Producer
+	cfg, err := NewProducerConfig(kafkaVersion, true, true, sarama.WaitForAll, false, sarama.NewHashPartitioner)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = pd.ASyncSetup(addr, cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	now := time.Now()
+
+	msgs := make([]*AsyncReturn, 0, 20000)
+	for i := 0; i < 200000; i++ {
+		var msg sarama.ProducerMessage
+		msg.Key = sarama.StringEncoder(fmt.Sprintf("%d", i))
+		msg.Topic = topicName[0]
+		msg.Value = sarama.StringEncoder(fmt.Sprintf("i'm %d", i))
+
+		r := pd.AsyncSendMessage(&msg)
+		msgs = append(msgs, r)
+	}
+	//err = pd.SendMessages(msgs)
+	//t.Log(err)
+
+	for _, r := range msgs {
+		r.WaitOk(context.Background())
+		//t.Log(m, e)
+	}
+	t.Log(time.Now().Sub(now).Milliseconds())
+
+	time.Sleep(1000 * time.Second)
+	pd.Close()
+}
+
+func consumer(t *testing.T) {
+	var admin KafkaAdmin
+	err := admin.Setup(kafkaVersion, addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, tName := range topicName {
+		if admin.HasTopic(tName) == false {
+			err = admin.CreateTopic(tName, 10, 2, false)
+			t.Log(err)
+		}
+	}
+
+	var cg ConsumerGroup
+	cfg, err := NewConsumerConfig(kafkaVersion, "sticky", sarama.OffsetOldest)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = cg.Setup(addr, topicName, "test_groupId", cfg, 50*time.Second, 10, &MsgReceiver{t: t})
+	t.Log(err)
+	time.Sleep(10000 * time.Second)
+	cg.Close()
+}
+
+func TestConsumerAndProducer(t *testing.T) {
+	producer_async(t)
+	//go producer(t)
+	//producer(t)
+	//consumer(t)
+}

sysmodule/kafkamodule/Sasl.go

@@ -0,0 +1,7 @@
+package kafkamodule
+
+type Sasl struct {
+	UserName   string `json:"UserName"`
+	Passwd     string `json:"Passwd"`
+	InstanceId string `json:"InstanceId"`
+}