func main() {
const N int = 10
p := bar.New(N)
for i := 0; i < N; i++ {
p.ShowProgress(i)
time.Sleep(time.Second)
}
}
func (this *Lags) Run(args []string) (exitCode int) {
const secondsInMinute = 60
var (
cluster string
zone string
)
cmdFlags := flag.NewFlagSet("lags", flag.ContinueOnError)
cmdFlags.Usage = func() { this.Ui.Output(this.Help()) }
cmdFlags.StringVar(&zone, "z", ctx.ZkDefaultZone(), "")
cmdFlags.StringVar(&cluster, "c", "", "")
cmdFlags.BoolVar(&this.onlineOnly, "l", false, "")
cmdFlags.BoolVar(&this.problematicMode, "p", false, "")
cmdFlags.StringVar(&this.groupPattern, "g", "", "")
cmdFlags.StringVar(&this.topicPattern, "t", "", "")
cmdFlags.BoolVar(&this.tableFmt, "table", false, "")
cmdFlags.BoolVar(&this.watchMode, "w", false, "")
cmdFlags.IntVar(&this.lagThreshold, "lag", 5000, "")
if err := cmdFlags.Parse(args); err != nil {
return 1
}
if this.watchMode {
refreshScreen()
}
if this.problematicMode {
this.onlineOnly = true
}
zkzone := zk.NewZkZone(zk.DefaultConfig(zone, ctx.ZoneZkAddrs(zone)))
bar := progress.New(secondsInMinute)
if cluster == "" {
for {
zkzone.ForSortedClusters(func(zkcluster *zk.ZkCluster) {
if this.tableFmt {
this.printConsumersLagTable(zkcluster)
} else {
this.printConsumersLag(zkcluster)
}
})
if this.watchMode {
for i := 1; i <= secondsInMinute; i++ {
bar.ShowProgress(i)
time.Sleep(time.Second)
}
} else {
break
}
printSwallowedErrors(this.Ui, zkzone)
}
return
}
// display a single cluster
for {
zkcluster := zkzone.NewCluster(cluster) // panic if invalid cluster
if this.tableFmt {
this.printConsumersLagTable(zkcluster)
} else {
this.printConsumersLag(zkcluster)
}
if this.watchMode {
for i := 1; i <= secondsInMinute; i++ {
bar.ShowProgress(i)
time.Sleep(time.Second)
}
//refreshScreen()
} else {
break
}
printSwallowedErrors(this.Ui, zkzone)
}
return
}