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KAFKA-16938: non-dynamic props gets corrupted due to circular reference between DynamicBrokerConfig and DynamicConfig. #16302

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Merged
chia7712 merged 5 commits into from
Jun 13, 2024
Merged

KAFKA-16938: non-dynamic props gets corrupted due to circular reference between DynamicBrokerConfig and DynamicConfig. #16302

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0658846
KAFKA-16938: Break circular reference between DynamicBrokerConfig and…
frankvicky Jun 12, 2024
88ac773
KAFKA-16938: Add comment and correct indentation
frankvicky Jun 12, 2024
a59fa3f
KAFKA-16938: Remove unused method addDynamicConfigs
frankvicky Jun 12, 2024
e27c225
KAFKA-16938: Rewrite comment to make it more precise
frankvicky Jun 12, 2024
40e992c
KAFKA-16938: Format comment
frankvicky Jun 12, 2024
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6 changes: 2 additions & 4 deletions core/src/main/scala/kafka/server/DynamicBrokerConfig.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -117,8 +117,6 @@ object DynamicBrokerConfig {
AllDynamicConfigs.intersect(passwordConfigs)
}

private val nonDynamicProps: Set[String] = KafkaConfig.configNames.toSet -- DynamicConfig.Broker.names.asScala

def isPasswordConfig(name: String): Boolean = DynamicBrokerConfig.DynamicPasswordConfigs.exists(name.endsWith)

def brokerConfigSynonyms(name: String, matchListenerOverride: Boolean): List[String] = {
Expand Down Expand Up @@ -168,7 +166,7 @@ object DynamicBrokerConfig {
}

private def nonDynamicConfigs(props: Properties): Set[String] = {
props.asScala.keySet.intersect(nonDynamicProps)
props.asScala.keySet.intersect(DynamicConfig.Broker.nonDynamicProps)
}

private def securityConfigsWithoutListenerPrefix(props: Properties): Set[String] = {
Expand Down Expand Up @@ -321,7 +319,7 @@ class DynamicBrokerConfig(private val kafkaConfig: KafkaConfig) extends Logging
}

private def verifyReconfigurableConfigs(configNames: Set[String]): Unit = CoreUtils.inWriteLock(lock) {
val nonDynamic = configNames.intersect(nonDynamicProps)
val nonDynamic = configNames.intersect(DynamicConfig.Broker.nonDynamicProps)
require(nonDynamic.isEmpty, s"Reconfigurable contains non-dynamic configs $nonDynamic")
}

Expand Down
14 changes: 11 additions & 3 deletions core/src/main/scala/kafka/server/DynamicConfig.scala
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Expand Up @@ -17,6 +17,8 @@

package kafka.server

import kafka.server.DynamicBrokerConfig.AllDynamicConfigs

import java.net.{InetAddress, UnknownHostException}
import java.util.Properties
import org.apache.kafka.common.config.ConfigDef
Expand All @@ -30,10 +32,16 @@ import scala.jdk.CollectionConverters._
* and can only be set dynamically.
*/
object DynamicConfig {
object Broker {
private val brokerConfigs = {
val configs = QuotaConfigs.brokerQuotaConfigs()
KafkaConfig.configKeys
.filter { case (configName, _) => AllDynamicConfigs.contains(configName) }

@chia7712 chia7712 Jun 12, 2024

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Could you please add comments to remind readers about the circular reference?

.foreach { case (_, config) => configs.define(config) }
configs
}

object Broker {
private val brokerConfigs = QuotaConfigs.brokerQuotaConfigs()
DynamicBrokerConfig.addDynamicConfigs(brokerConfigs)

@mimaison mimaison Jun 12, 2024

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So DynamicBrokerConfig.addDynamicConfigs() is not used anymore, we can delete it.

@frankvicky frankvicky Jun 12, 2024

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Thank you, I will remove it 😄

val nonDynamicProps: Set[String] = KafkaConfig.configNames.toSet -- brokerConfigs.names.asScala

@chia7712 chia7712 Jun 12, 2024

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Does it have correct indentation?

@frankvicky frankvicky Jun 12, 2024

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Oops, I will fix it.


def configKeys: util.Map[String, ConfigDef.ConfigKey] = brokerConfigs.configKeys

Expand Down