lazzexus/Kafkatorio
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only try to create topics if there are topics to be created

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This commit is contained in:
Adam 2022-01-25 00:11:38 +01:00
parent dbeb0e73dd
commit 4fc55b706f
1 changed files with 20 additions and 21 deletions
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15
modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/admin/CreateTopics.kt
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@ -30,6 +30,8 @@ object CreateTopics {
KafkatorioPacket.PacketType.values().forEach { packetType -> KafkatorioPacket.PacketType.values().forEach { packetType ->
val currentTopics = currentTopics().map { it.name() }
val kafkatorioTopics = buildSet { val kafkatorioTopics = buildSet {
add(KafkatorioTopology.sourceTopic) add(KafkatorioTopology.sourceTopic)
when (packetType) { when (packetType) {
@ -42,16 +44,12 @@ object CreateTopics {
KafkatorioPacket.PacketType.PROTOTYPES -> KafkatorioPacket.PacketType.PROTOTYPES ->
add("kafkatorio.${packetType.name}.all") add("kafkatorio.${packetType.name}.all")
} }
} }.minus(currentTopics.toSet())
val currentTopics = currentTopics().map { it.name() } if (currentTopics.isNotEmpty()) {
val result = kafkatorioTopics logger.info("Creating ${kafkatorioTopics.size} topics")
.filterNot { it in currentTopics } val result = kafkaAdmin.createTopics { kafkatorioTopics }
.run {
logger.info("Creating $size topics")
kafkaAdmin.createTopics { this }
}
// wait for all brokers to become aware of the created topics // wait for all brokers to become aware of the created topics
Thread.sleep(TimeUnit.SECONDS.toMillis(5)) Thread.sleep(TimeUnit.SECONDS.toMillis(5))
@ -71,6 +69,7 @@ object CreateTopics {
} }
} }
} }
}
private fun Admin.createTopics( private fun Admin.createTopics(
numPartitions: Int = 3, numPartitions: Int = 3,