func (this *Clusters) clusterSummary(zkcluster *zk.ZkCluster) (brokers, topics, partitions int, flat, cum int64) {
brokerInfos := zkcluster.Brokers()
brokers = len(brokerInfos)
kfk, err := sarama.NewClient(zkcluster.BrokerList(), saramaConfig())
if err != nil {
this.Ui.Error(err.Error())
return
}
defer kfk.Close()
topicInfos, _ := kfk.Topics()
topics = len(topicInfos)
for _, t := range topicInfos {
alivePartitions, _ := kfk.WritablePartitions(t)
partitions += len(alivePartitions)
for _, partitionID := range alivePartitions {
latestOffset, _ := kfk.GetOffset(t, partitionID, sarama.OffsetNewest)
oldestOffset, _ := kfk.GetOffset(t, partitionID, sarama.OffsetOldest)
flat += (latestOffset - oldestOffset)
cum += latestOffset
}
}
return
}
func (this *Topics) addTopic(zkcluster *zk.ZkCluster, topic string, replicas,
partitions int) error {
this.Ui.Info(fmt.Sprintf("creating kafka topic: %s", topic))
ts := sla.DefaultSla()
ts.Partitions = partitions
ts.Replicas = replicas
lines, err := zkcluster.AddTopic(topic, ts)
if err != nil {
return err
}
for _, l := range lines {
this.Ui.Output(color.Yellow(l))
}
if this.ipInNumber {
this.Ui.Output(fmt.Sprintf("\tzookeeper.connect: %s", zkcluster.ZkConnectAddr()))
this.Ui.Output(fmt.Sprintf("\t broker.list: %s",
strings.Join(zkcluster.BrokerList(), ",")))
} else {
this.Ui.Output(fmt.Sprintf("\tzookeeper.connect: %s", zkcluster.NamedZkConnectAddr()))
this.Ui.Output(fmt.Sprintf("\t broker.list: %s",
strings.Join(zkcluster.NamedBrokerList(), ",")))
}
return nil
}
func (this *Peek) consumeCluster(zkcluster *zk.ZkCluster, topicPattern string,
partitionId int, msgChan chan *sarama.ConsumerMessage) {
brokerList := zkcluster.BrokerList()
if len(brokerList) == 0 {
return
}
kfk, err := sarama.NewClient(brokerList, sarama.NewConfig())
if err != nil {
this.Ui.Output(err.Error())
return
}
//defer kfk.Close() // FIXME how to close it
topics, err := kfk.Topics()
if err != nil {
this.Ui.Output(err.Error())
return
}
for _, t := range topics {
if patternMatched(t, topicPattern) {
go this.simpleConsumeTopic(zkcluster, kfk, t, int32(partitionId), msgChan)
}
}
}
func (this *Mirror) makePub(c2 *zk.ZkCluster) (sarama.AsyncProducer, error) {
cf := sarama.NewConfig()
cf.Metadata.RefreshFrequency = time.Minute * 10
cf.Metadata.Retry.Max = 3
cf.Metadata.Retry.Backoff = time.Second * 3
cf.ChannelBufferSize = 1000
cf.Producer.Return.Errors = true
cf.Producer.Flush.Messages = 2000 // 2000 message in batch
cf.Producer.Flush.Frequency = time.Second // flush interval
cf.Producer.Flush.MaxMessages = 0 // unlimited
cf.Producer.RequiredAcks = sarama.WaitForLocal
cf.Producer.Retry.Backoff = time.Second * 4
cf.Producer.Retry.Max = 3
cf.Net.DialTimeout = time.Second * 30
cf.Net.WriteTimeout = time.Second * 30
cf.Net.ReadTimeout = time.Second * 30
switch this.Compress {
case "gzip":
cf.Producer.Compression = sarama.CompressionGZIP
case "snappy":
cf.Producer.Compression = sarama.CompressionSnappy
}
return sarama.NewAsyncProducer(c2.BrokerList(), cf)
}
func (this *Topics) clusterSummary(zkcluster *zk.ZkCluster) []topicSummary {
r := make([]topicSummary, 0, 10)
kfk, err := sarama.NewClient(zkcluster.BrokerList(), saramaConfig())
if err != nil {
this.Ui.Error(err.Error())
return nil
}
defer kfk.Close()
topicInfos, _ := kfk.Topics()
for _, t := range topicInfos {
flat := int64(0)
cum := int64(0)
alivePartitions, _ := kfk.WritablePartitions(t)
for _, partitionID := range alivePartitions {
latestOffset, _ := kfk.GetOffset(t, partitionID, sarama.OffsetNewest)
oldestOffset, _ := kfk.GetOffset(t, partitionID, sarama.OffsetOldest)
flat += (latestOffset - oldestOffset)
cum += latestOffset
}
r = append(r, topicSummary{zkcluster.ZkZone().Name(), zkcluster.Name(), t, len(alivePartitions), flat, cum})
}
return r
}
func (this *Mirror) makePub(c2 *zk.ZkCluster) (sarama.AsyncProducer, error) {
// TODO setup batch size
cf := sarama.NewConfig()
switch this.compress {
case "gzip":
cf.Producer.Compression = sarama.CompressionGZIP
case "snappy":
cf.Producer.Compression = sarama.CompressionSnappy
}
return sarama.NewAsyncProducer(c2.BrokerList(), cf)
}
func (this *TopBroker) clusterTopProducers(zkcluster *zk.ZkCluster) {
kfk, err := sarama.NewClient(zkcluster.BrokerList(), sarama.NewConfig())
if err != nil {
return
}
defer kfk.Close()
for {
hostOffsets := make(map[string]int64)
topics, err := kfk.Topics()
swallow(err)
<-this.signalsCh[zkcluster.Name()]
for _, topic := range topics {
if !patternMatched(topic, this.topic) {
continue
}
partions, err := kfk.WritablePartitions(topic)
swallow(err)
for _, partitionID := range partions {
leader, err := kfk.Leader(topic, partitionID)
swallow(err)
latestOffset, err := kfk.GetOffset(topic, partitionID,
sarama.OffsetNewest)
swallow(err)
host, _, err := net.SplitHostPort(leader.Addr())
swallow(err)
if this.shortIp {
host = shortIp(host)
}
if _, present := hostOffsets[host]; !present {
hostOffsets[host] = 0
}
hostOffsets[host] += latestOffset
}
}
this.hostOffsetCh <- hostOffsets
kfk.RefreshMetadata(topics...)
}
}
func (this *UnderReplicated) displayUnderReplicatedPartitionsOfCluster(zkcluster *zk.ZkCluster) []string {
brokerList := zkcluster.BrokerList()
if len(brokerList) == 0 {
this.Ui.Warn(fmt.Sprintf("%s empty brokers", zkcluster.Name()))
return nil
}
kfk, err := sarama.NewClient(brokerList, saramaConfig())
if err != nil {
this.Ui.Error(fmt.Sprintf("%s %+v %s", zkcluster.Name(), brokerList, err.Error()))
return nil
}
defer kfk.Close()
topics, err := kfk.Topics()
swallow(err)
if len(topics) == 0 {
return nil
}
lines := make([]string, 0, 10)
for _, topic := range topics {
// get partitions and check if some dead
alivePartitions, err := kfk.WritablePartitions(topic)
if err != nil {
this.Ui.Error(fmt.Sprintf("%s topic[%s] cannot fetch writable partitions: %v", zkcluster.Name(), topic, err))
continue
}
partions, err := kfk.Partitions(topic)
if err != nil {
this.Ui.Error(fmt.Sprintf("%s topic[%s] cannot fetch partitions: %v", zkcluster.Name(), topic, err))
continue
}
if len(alivePartitions) != len(partions) {
this.Ui.Error(fmt.Sprintf("%s topic[%s] has %s partitions: %+v/%+v", zkcluster.Name(),
topic, color.Red("dead"), alivePartitions, partions))
}
for _, partitionID := range alivePartitions {
replicas, err := kfk.Replicas(topic, partitionID)
if err != nil {
this.Ui.Error(fmt.Sprintf("%s topic[%s] P:%d: %v", zkcluster.Name(), topic, partitionID, err))
continue
}
isr, isrMtime, partitionCtime := zkcluster.Isr(topic, partitionID)
underReplicated := false
if len(isr) != len(replicas) {
underReplicated = true
}
if underReplicated {
leader, err := kfk.Leader(topic, partitionID)
swallow(err)
latestOffset, err := kfk.GetOffset(topic, partitionID, sarama.OffsetNewest)
swallow(err)
oldestOffset, err := kfk.GetOffset(topic, partitionID, sarama.OffsetOldest)
swallow(err)
lines = append(lines, fmt.Sprintf("\t%s Partition:%d/%s Leader:%d Replicas:%+v Isr:%+v/%s Offset:%d-%d Num:%d",
topic, partitionID,
gofmt.PrettySince(partitionCtime),
leader.ID(), replicas, isr,
gofmt.PrettySince(isrMtime),
oldestOffset, latestOffset, latestOffset-oldestOffset))
}
}
}
return lines
}
func (this *Topics) displayTopicsOfCluster(zkcluster *zk.ZkCluster) {
echoBuffer := func(lines []string) {
for _, l := range lines {
this.Ui.Output(l)
}
}
linesInTopicMode := make([]string, 0)
if this.verbose {
linesInTopicMode = this.echoOrBuffer(zkcluster.Name(), linesInTopicMode)
}
// get all alive brokers within this cluster
brokers := zkcluster.Brokers()
if len(brokers) == 0 {
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%4s%s", " ",
color.Red("%s empty brokers", zkcluster.Name())), linesInTopicMode)
echoBuffer(linesInTopicMode)
return
}
if this.verbose {
sortedBrokerIds := make([]string, 0, len(brokers))
for brokerId, _ := range brokers {
sortedBrokerIds = append(sortedBrokerIds, brokerId)
}
sort.Strings(sortedBrokerIds)
for _, brokerId := range sortedBrokerIds {
if this.ipInNumber {
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%4s%s %s", " ",
color.Green(brokerId), brokers[brokerId]), linesInTopicMode)
} else {
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%4s%s %s", " ",
color.Green(brokerId), brokers[brokerId].NamedString()), linesInTopicMode)
}
}
}
kfk, err := sarama.NewClient(zkcluster.BrokerList(), saramaConfig())
if err != nil {
if this.verbose {
linesInTopicMode = this.echoOrBuffer(color.Yellow("%5s%+v %s", " ",
zkcluster.BrokerList(), err.Error()), linesInTopicMode)
}
return
}
defer kfk.Close()
topics, err := kfk.Topics()
swallow(err)
if len(topics) == 0 {
if this.topicPattern == "" && this.verbose {
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%5s%s", " ",
color.Magenta("no topics")), linesInTopicMode)
echoBuffer(linesInTopicMode)
}
return
}
sortedTopics := make([]string, 0, len(topics))
for _, t := range topics {
sortedTopics = append(sortedTopics, t)
}
sort.Strings(sortedTopics)
topicsCtime := zkcluster.TopicsCtime()
hasTopicMatched := false
for _, topic := range sortedTopics {
if !patternMatched(topic, this.topicPattern) {
continue
}
if this.since > 0 && time.Since(topicsCtime[topic]) > this.since {
continue
}
this.topicN++
hasTopicMatched = true
if this.verbose {
linesInTopicMode = this.echoOrBuffer(strings.Repeat(" ", 4)+color.Cyan(topic), linesInTopicMode)
}
// get partitions and check if some dead
alivePartitions, err := kfk.WritablePartitions(topic)
swallow(err)
partions, err := kfk.Partitions(topic)
swallow(err)
if len(alivePartitions) != len(partions) {
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%30s %s %s P: %s/%+v",
zkcluster.Name(), color.Cyan("%-50s", topic), color.Red("partial dead"), color.Green("%+v", alivePartitions), partions), linesInTopicMode)
}
replicas, err := kfk.Replicas(topic, partions[0])
if err != nil {
this.Ui.Error(fmt.Sprintf("%s/%d %v", topic, partions[0], err))
}
this.partitionN += len(partions)
if !this.verbose {
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%30s %s %3dP %dR %s",
zkcluster.Name(),
color.Cyan("%-50s", topic),
len(partions), len(replicas),
gofmt.PrettySince(topicsCtime[topic])), linesInTopicMode)
continue
}
for _, partitionID := range alivePartitions {
leader, err := kfk.Leader(topic, partitionID)
swallow(err)
replicas, err := kfk.Replicas(topic, partitionID)
if err != nil {
this.Ui.Error(fmt.Sprintf("%s/%d %v", topic, partitionID, err))
}
isr, isrMtime, partitionCtime := zkcluster.Isr(topic, partitionID)
isrMtimeSince := gofmt.PrettySince(isrMtime)
if time.Since(isrMtime).Hours() < 24 {
// ever out of sync last 24h
isrMtimeSince = color.Magenta(isrMtimeSince)
}
underReplicated := false
if len(isr) != len(replicas) {
underReplicated = true
}
latestOffset, err := kfk.GetOffset(topic, partitionID,
sarama.OffsetNewest)
swallow(err)
oldestOffset, err := kfk.GetOffset(topic, partitionID,
sarama.OffsetOldest)
swallow(err)
if this.count > 0 && (latestOffset-oldestOffset) < this.count {
continue
}
this.totalMsgs += latestOffset - oldestOffset
this.totalOffsets += latestOffset
if !underReplicated {
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%8d Leader:%s Replicas:%+v Isr:%+v Offset:%16s - %-16s Num:%-15s %s-%s",
partitionID,
color.Green("%d", leader.ID()), replicas, isr,
gofmt.Comma(oldestOffset), gofmt.Comma(latestOffset), gofmt.Comma(latestOffset-oldestOffset),
gofmt.PrettySince(partitionCtime), isrMtimeSince), linesInTopicMode)
} else {
// use red for alert
linesInTopicMode = this.echoOrBuffer(fmt.Sprintf("%8d Leader:%s Replicas:%+v Isr:%s Offset:%16s - %-16s Num:%-15s %s-%s",
partitionID,
color.Green("%d", leader.ID()), replicas, color.Red("%+v", isr),
gofmt.Comma(oldestOffset), gofmt.Comma(latestOffset), gofmt.Comma(latestOffset-oldestOffset),
gofmt.PrettySince(partitionCtime), isrMtimeSince), linesInTopicMode)
}
}
}
if this.topicPattern != "" {
if hasTopicMatched {
echoBuffer(linesInTopicMode)
}
} else {
echoBuffer(linesInTopicMode)
}
}
func (this *Top) clusterTopProducers(zkcluster *zk.ZkCluster) {
cluster := zkcluster.Name()
brokerList := zkcluster.BrokerList()
if len(brokerList) == 0 {
return
}
kfk, err := sarama.NewClient(brokerList, sarama.NewConfig())
if err != nil {
return
}
defer kfk.Close()
for {
topics, err := kfk.Topics()
if err != nil || len(topics) == 0 {
return
}
for _, topic := range topics {
if !patternMatched(topic, this.topicPattern) {
continue
}
msgs := int64(0)
alivePartitions, err := kfk.WritablePartitions(topic)
swallow(err)
for _, partitionID := range alivePartitions {
latestOffset, err := kfk.GetOffset(topic, partitionID,
sarama.OffsetNewest)
if err != nil {
// this broker is down
continue
}
msgs += latestOffset
}
this.mu.Lock()
if _, present := this.brokers[cluster+":"+topic]; !present {
// calculate the broker leading partitions
leadingPartitions := make(map[string]int) // broker:lead partitions n
for _, pid := range alivePartitions {
leader, err := kfk.Leader(topic, pid)
swallow(err)
leadingPartitions[leader.Addr()]++
}
brokers := make([]string, 0)
for addr, n := range leadingPartitions {
brokers = append(brokers, fmt.Sprintf("%d@%s", n, addr))
}
this.brokers[cluster+":"+topic] = this.discardPortOfBrokerAddr(brokers)
}
this.counters[cluster+":"+topic] = float64(msgs)
this.partitions[cluster+":"+topic] = len(alivePartitions)
this.mu.Unlock()
}
time.Sleep(time.Second)
kfk.RefreshMetadata(topics...)
}
}