func (this *Topics) resetTopicConfig(zkcluster *zk.ZkCluster, topic string) {
zkAddrs := zkcluster.ZkConnectAddr()
key := "retention.ms"
cmd := pipestream.New(fmt.Sprintf("%s/bin/kafka-topics.sh", ctx.KafkaHome()),
fmt.Sprintf("--zookeeper %s", zkAddrs),
fmt.Sprintf("--alter"),
fmt.Sprintf("--topic %s", topic),
fmt.Sprintf("--deleteConfig %s", key),
)
err := cmd.Open()
swallow(err)
defer cmd.Close()
scanner := bufio.NewScanner(cmd.Reader())
scanner.Split(bufio.ScanLines)
output := make([]string, 0)
for scanner.Scan() {
output = append(output, scanner.Text())
}
swallow(scanner.Err())
path := zkcluster.GetTopicConfigPath(topic)
this.Ui.Info(path)
for _, line := range output {
this.Ui.Output(line)
}
}
func (this *Topics) configTopic(zkcluster *zk.ZkCluster, topic string, retentionInMinute int) {
/*
val SegmentBytesProp = "segment.bytes"
val SegmentMsProp = "segment.ms"
val SegmentIndexBytesProp = "segment.index.bytes"
val FlushMessagesProp = "flush.messages"
val FlushMsProp = "flush.ms"
val RetentionBytesProp = "retention.bytes"
val RententionMsProp = "retention.ms"
val MaxMessageBytesProp = "max.message.bytes"
val IndexIntervalBytesProp = "index.interval.bytes"
val DeleteRetentionMsProp = "delete.retention.ms"
val FileDeleteDelayMsProp = "file.delete.delay.ms"
val MinCleanableDirtyRatioProp = "min.cleanable.dirty.ratio"
val CleanupPolicyProp = "cleanup.policy"
*/
// ./bin/kafka-topics.sh --zookeeper localhost:2181/kafka --alter --topic foobar --config max.message.bytes=10000101
// zk: {"version":1,"config":{"index.interval.bytes":"10000101","max.message.bytes":"10000101"}}
if retentionInMinute < 10 {
panic("less than 10 minutes?")
}
ts := sla.DefaultSla()
ts.RetentionHours = float64(retentionInMinute) / 60
output, err := zkcluster.AlterTopic(topic, ts)
if err != nil {
this.Ui.Error(fmt.Sprintf("%+v: %v", ts, err))
os.Exit(1)
}
path := zkcluster.GetTopicConfigPath(topic)
this.Ui.Info(path)
for _, line := range output {
this.Ui.Output(line)
}
}
