func (this *Lags) printConsumersLag(zkcluster *zk.ZkCluster) {
// sort by group name
consumersByGroup := zkcluster.ConsumersByGroup(this.groupPattern)
sortedGroups := make([]string, 0, len(consumersByGroup))
for group, _ := range consumersByGroup {
sortedGroups = append(sortedGroups, group)
}
sort.Strings(sortedGroups)
for _, group := range sortedGroups {
lines := make([]string, 0, 100)
sortedTopicAndPartitionIds := make([]string, 0)
consumers := make(map[string]zk.ConsumerMeta)
for _, t := range consumersByGroup[group] {
key := fmt.Sprintf("%s:%s", t.Topic, t.PartitionId)
sortedTopicAndPartitionIds = append(sortedTopicAndPartitionIds, key)
consumers[key] = t
}
sort.Strings(sortedTopicAndPartitionIds)
for _, topicAndPartitionId := range sortedTopicAndPartitionIds {
consumer := consumers[topicAndPartitionId]
if !patternMatched(consumer.Topic, this.topicPattern) {
continue
}
var (
lagOutput string
symbol string
)
if consumer.Lag > int64(this.lagThreshold) {
lagOutput = color.Red("%15s", gofmt.Comma(consumer.Lag))
if consumer.Online {
symbol = color.Yellow("⚠︎︎")
} else {
symbol = color.Yellow("◎")
}
} else {
lagOutput = color.Blue("%15s", gofmt.Comma(consumer.Lag))
if consumer.Online {
symbol = color.Green("◉")
} else {
symbol = color.Yellow("◎")
}
}
if consumer.Online {
if this.problematicMode && consumer.Lag <= int64(this.lagThreshold) {
continue
}
var (
host string
uptime string
)
if consumer.ConsumerZnode == nil {
host = "unrecognized"
uptime = "-"
} else {
host = color.Green("%s", consumer.ConsumerZnode.Host())
if time.Since(consumer.ConsumerZnode.Uptime()) < time.Hour {
uptime = color.Magenta(gofmt.PrettySince(consumer.ConsumerZnode.Uptime()))
} else {
uptime = gofmt.PrettySince(consumer.ConsumerZnode.Uptime())
}
}
lines = append(lines, fmt.Sprintf("\t%s %35s/%-2s %12s -> %-15s %s %-10s %s %s",
symbol,
consumer.Topic, consumer.PartitionId,
gofmt.Comma(consumer.ProducerOffset),
gofmt.Comma(consumer.ConsumerOffset),
lagOutput,
gofmt.PrettySince(consumer.Mtime.Time()),
host, uptime))
} else if !this.onlineOnly {
lines = append(lines, fmt.Sprintf("\t%s %35s/%-2s %12s -> %-12s %s %s",
symbol,
consumer.Topic, consumer.PartitionId,
gofmt.Comma(consumer.ProducerOffset),
gofmt.Comma(consumer.ConsumerOffset),
lagOutput,
gofmt.PrettySince(consumer.Mtime.Time())))
}
}
if len(lines) > 0 {
this.Ui.Output(strings.Repeat(" ", 4) + group)
for _, l := range lines {
this.Ui.Output(l)
}
}
}
}
func (this *Lags) printConsumersLagTable(zkcluster *zk.ZkCluster) {
lines := make([]string, 0)
header := "ConsumerGroup|Topic/Partition|Produced|Consumed|Lag|Committed|Uptime"
lines = append(lines, header)
// sort by group name
consumersByGroup := zkcluster.ConsumersByGroup(this.groupPattern)
sortedGroups := make([]string, 0, len(consumersByGroup))
for group, _ := range consumersByGroup {
sortedGroups = append(sortedGroups, group)
}
sort.Strings(sortedGroups)
for _, group := range sortedGroups {
if !patternMatched(group, this.groupPattern) {
continue
}
sortedTopicAndPartitionIds := make([]string, 0, len(consumersByGroup[group]))
consumers := make(map[string]zk.ConsumerMeta)
for _, t := range consumersByGroup[group] {
key := fmt.Sprintf("%s:%s", t.Topic, t.PartitionId)
sortedTopicAndPartitionIds = append(sortedTopicAndPartitionIds, key)
consumers[key] = t
}
sort.Strings(sortedTopicAndPartitionIds)
for _, topicAndPartitionId := range sortedTopicAndPartitionIds {
consumer := consumers[topicAndPartitionId]
if !patternMatched(consumer.Topic, this.topicPattern) {
continue
}
if !consumer.Online {
continue
}
if this.problematicMode && consumer.Lag <= int64(this.lagThreshold) {
continue
}
if consumer.ConsumerZnode == nil {
this.Ui.Warn(fmt.Sprintf("%+v has no znode", consumer))
continue
}
lines = append(lines,
fmt.Sprintf("%s|%s/%s|%s|%s|%s|%s|%s",
group,
consumer.Topic, consumer.PartitionId,
gofmt.Comma(consumer.ProducerOffset),
gofmt.Comma(consumer.ConsumerOffset),
gofmt.Comma(consumer.Lag),
gofmt.PrettySince(consumer.Mtime.Time()),
gofmt.PrettySince(consumer.ConsumerZnode.Uptime())))
}
}
if len(lines) > 1 {
this.Ui.Info(fmt.Sprintf("%s ▾", zkcluster.Name()))
this.Ui.Output(columnize.SimpleFormat(lines))
}
}