KAFKA-19119 Move ApiVersionManager/SimpleApiVersionManager to server (apache#19426)

Reviewers: Ken Huang <[email protected]>, PoAn Yang
 <[email protected]>, Chia-Ping Tsai <[email protected]>

Author: mimaison

checkstyle/import-control-server.xml

@@ -85,6 +85,7 @@
     <allow pkg="javax.crypto" />
     <allow pkg="org.apache.kafka.server" />
     <allow pkg="org.apache.kafka.image" />
+    <allow pkg="org.apache.kafka.network.metrics" />
     <allow pkg="org.apache.kafka.storage.internals.log" />
     <allow pkg="org.apache.kafka.storage.internals.checkpoint" />
     <subpackage name="metrics">

core/src/main/java/kafka/server/builders/KafkaApisBuilder.java

@@ -19,7 +19,6 @@
 
 import kafka.coordinator.transaction.TransactionCoordinator;
 import kafka.network.RequestChannel;
-import kafka.server.ApiVersionManager;
 import kafka.server.AutoTopicCreationManager;
 import kafka.server.FetchManager;
 import kafka.server.ForwardingManager;
@@ -36,6 +35,7 @@
 import org.apache.kafka.coordinator.share.ShareCoordinator;
 import org.apache.kafka.metadata.ConfigRepository;
 import org.apache.kafka.metadata.MetadataCache;
+import org.apache.kafka.server.ApiVersionManager;
 import org.apache.kafka.server.ClientMetricsManager;
 import org.apache.kafka.server.DelegationTokenManager;
 import org.apache.kafka.server.authorizer.Authorizer;

core/src/main/scala/kafka/network/SocketServer.scala

@@ -28,7 +28,7 @@ import java.util.concurrent.atomic._
 import kafka.network.Processor._
 import kafka.network.RequestChannel.{CloseConnectionResponse, EndThrottlingResponse, NoOpResponse, SendResponse, StartThrottlingResponse}
 import kafka.network.SocketServer._
-import kafka.server.{ApiVersionManager, BrokerReconfigurable, KafkaConfig}
+import kafka.server.{BrokerReconfigurable, KafkaConfig}
 import org.apache.kafka.network.EndPoint
 import org.apache.kafka.common.message.ApiMessageType.ListenerType
 import kafka.utils._
@@ -46,7 +46,7 @@ import org.apache.kafka.common.utils.{KafkaThread, LogContext, Time, Utils}
 import org.apache.kafka.common.{Endpoint, KafkaException, MetricName, Reconfigurable}
 import org.apache.kafka.network.{ConnectionQuotaEntity, ConnectionThrottledException, SocketServerConfigs, TooManyConnectionsException}
 import org.apache.kafka.security.CredentialProvider
-import org.apache.kafka.server.ServerSocketFactory
+import org.apache.kafka.server.{ApiVersionManager, ServerSocketFactory}
 import org.apache.kafka.server.config.QuotaConfig
 import org.apache.kafka.server.metrics.KafkaMetricsGroup
 import org.apache.kafka.server.network.ConnectionDisconnectListener
@@ -872,7 +872,7 @@ private[kafka] class Processor(
       credentialProvider.tokenCache,
       time,
       logContext,
-      version => apiVersionManager.apiVersionResponse(throttleTimeMs = 0, version < 4)
+      version => apiVersionManager.apiVersionResponse(0, version < 4)
     )
   )
 

core/src/main/scala/kafka/server/ApiVersionManager.scala

@@ -54,7 +54,7 @@ import org.apache.kafka.server.share.persister.{DefaultStatePersister, NoOpState
 import org.apache.kafka.server.share.session.ShareSessionCache
 import org.apache.kafka.server.util.timer.{SystemTimer, SystemTimerReaper}
 import org.apache.kafka.server.util.{Deadline, FutureUtils, KafkaScheduler}
-import org.apache.kafka.server.{AssignmentsManager, BrokerFeatures, ClientMetricsManager, DelayedActionQueue, DelegationTokenManager, ProcessRole}
+import org.apache.kafka.server.{AssignmentsManager, BrokerFeatures, ClientMetricsManager, DefaultApiVersionManager, DelayedActionQueue, DelegationTokenManager, ProcessRole}
 import org.apache.kafka.storage.internals.log.LogDirFailureChannel
 import org.apache.kafka.storage.log.metrics.BrokerTopicStats
 
@@ -252,13 +252,13 @@ class BrokerServer(
       forwardingManager = new ForwardingManagerImpl(clientToControllerChannelManager, metrics)
       clientMetricsManager = new ClientMetricsManager(clientMetricsReceiverPlugin, config.clientTelemetryMaxBytes, time, metrics)
 
-      val apiVersionManager = ApiVersionManager(
+      val apiVersionManager = new DefaultApiVersionManager(
         ListenerType.BROKER,
-        config,
-        forwardingManager,
+        () => forwardingManager.controllerApiVersions,
         brokerFeatures,
         metadataCache,
-        Some(clientMetricsManager)
+        config.unstableApiVersionsEnabled,
+        Optional.of(clientMetricsManager)
       )
 
       val connectionDisconnectListeners = Seq(clientMetricsManager.connectionDisconnectListener())

core/src/main/scala/kafka/server/BrokerServer.scala

@@ -56,7 +56,7 @@ import org.apache.kafka.image.publisher.ControllerRegistrationsPublisher
 import org.apache.kafka.metadata.{BrokerHeartbeatReply, BrokerRegistrationReply}
 import org.apache.kafka.common.security.auth.KafkaPrincipal
 import org.apache.kafka.common.security.auth.SecurityProtocol
-import org.apache.kafka.server.{DelegationTokenManager, ProcessRole}
+import org.apache.kafka.server.{ApiVersionManager, DelegationTokenManager, ProcessRole}
 import org.apache.kafka.server.authorizer.Authorizer
 import org.apache.kafka.server.common.{ApiMessageAndVersion, RequestLocal}
 

core/src/main/scala/kafka/server/ControllerApis.scala

@@ -40,7 +40,7 @@ import org.apache.kafka.metadata.bootstrap.BootstrapMetadata
 import org.apache.kafka.metadata.publisher.{AclPublisher, FeaturesPublisher}
 import org.apache.kafka.raft.QuorumConfig
 import org.apache.kafka.security.CredentialProvider
-import org.apache.kafka.server.{DelegationTokenManager, ProcessRole}
+import org.apache.kafka.server.{DelegationTokenManager, ProcessRole, SimpleApiVersionManager}
 import org.apache.kafka.server.authorizer.Authorizer
 import org.apache.kafka.server.config.ServerLogConfigs.{ALTER_CONFIG_POLICY_CLASS_NAME_CONFIG, CREATE_TOPIC_POLICY_CLASS_NAME_CONFIG}
 import org.apache.kafka.server.common.{ApiMessageAndVersion, KRaftVersion, NodeToControllerChannelManager}

core/src/main/scala/kafka/server/ControllerServer.scala

@@ -27,6 +27,7 @@ import org.apache.kafka.common.protocol.Errors
 import org.apache.kafka.common.requests.{AbstractRequest, AbstractResponse, EnvelopeRequest, EnvelopeResponse, RequestContext, RequestHeader}
 import org.apache.kafka.server.common.{ControllerRequestCompletionHandler, NodeToControllerChannelManager}
 
+import java.util.Optional
 import java.util.concurrent.TimeUnit
 import scala.jdk.OptionConverters.RichOptional
 
@@ -85,7 +86,7 @@ trait ForwardingManager {
     responseCallback: Option[AbstractResponse] => Unit
   ): Unit
 
-  def controllerApiVersions: Option[NodeApiVersions]
+  def controllerApiVersions: Optional[NodeApiVersions]
 }
 
 object ForwardingManager {
@@ -187,8 +188,8 @@ class ForwardingManagerImpl(
   override def close(): Unit =
     forwardingManagerMetrics.close()
 
-  override def controllerApiVersions: Option[NodeApiVersions] =
-    channelManager.controllerApiVersions.toScala
+  override def controllerApiVersions: Optional[NodeApiVersions] =
+    channelManager.controllerApiVersions
 
   private def parseResponse(
     buffer: ByteBuffer,

core/src/main/scala/kafka/server/ForwardingManager.scala

@@ -60,7 +60,7 @@ import org.apache.kafka.common.{Node, TopicIdPartition, TopicPartition, Uuid}
 import org.apache.kafka.coordinator.group.{Group, GroupConfig, GroupConfigManager, GroupCoordinator}
 import org.apache.kafka.coordinator.share.ShareCoordinator
 import org.apache.kafka.metadata.{ConfigRepository, MetadataCache}
-import org.apache.kafka.server.{ClientMetricsManager, DelegationTokenManager, ProcessRole}
+import org.apache.kafka.server.{ApiVersionManager, ClientMetricsManager, DelegationTokenManager, ProcessRole}
 import org.apache.kafka.server.authorizer._
 import org.apache.kafka.server.common.{GroupVersion, RequestLocal, TransactionVersion}
 import org.apache.kafka.server.config.DelegationTokenManagerConfigs

core/src/main/scala/kafka/server/KafkaApis.scala

@@ -19,13 +19,14 @@ package kafka.tools
 
 import kafka.network.RequestChannel
 import kafka.raft.RaftManager
-import kafka.server.{ApiRequestHandler, ApiVersionManager}
+import kafka.server.ApiRequestHandler
 import kafka.utils.Logging
 import org.apache.kafka.common.internals.FatalExitError
 import org.apache.kafka.common.message.{BeginQuorumEpochResponseData, EndQuorumEpochResponseData, FetchResponseData, FetchSnapshotResponseData, VoteResponseData}
 import org.apache.kafka.common.protocol.{ApiKeys, ApiMessage}
 import org.apache.kafka.common.requests.{AbstractRequest, AbstractResponse, BeginQuorumEpochResponse, EndQuorumEpochResponse, FetchResponse, FetchSnapshotResponse, VoteResponse}
 import org.apache.kafka.common.utils.Time
+import org.apache.kafka.server.ApiVersionManager
 import org.apache.kafka.server.common.RequestLocal
 
 /**
@@ -65,7 +66,7 @@ class TestRaftRequestHandler(
   }
 
   private def handleApiVersions(request: RequestChannel.Request): Unit = {
-    requestChannel.sendResponse(request, apiVersionManager.apiVersionResponse(throttleTimeMs = 0, request.header.apiVersion() < 4), None)
+    requestChannel.sendResponse(request, apiVersionManager.apiVersionResponse(0, request.header.apiVersion() < 4), None)
   }
 
   private def handleVote(request: RequestChannel.Request): Unit = {