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)
}
}