brandboat commented on code in PR #20383: URL: https://github.com/apache/kafka/pull/20383#discussion_r2287588688
########## server/src/main/java/org/apache/kafka/server/DefaultAutoTopicCreationManager.java: ########## @@ -0,0 +1,268 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.kafka.server; + +import org.apache.kafka.clients.ClientResponse; +import org.apache.kafka.common.errors.InvalidTopicException; +import org.apache.kafka.common.internals.Topic; +import org.apache.kafka.common.message.CreateTopicsRequestData; +import org.apache.kafka.common.message.CreateTopicsRequestData.CreatableTopic; +import org.apache.kafka.common.message.CreateTopicsRequestData.CreatableTopicConfig; +import org.apache.kafka.common.message.CreateTopicsRequestData.CreatableTopicConfigCollection; +import org.apache.kafka.common.message.MetadataResponseData.MetadataResponseTopic; +import org.apache.kafka.common.protocol.ApiKeys; +import org.apache.kafka.common.protocol.Errors; +import org.apache.kafka.common.requests.AbstractRequest; +import org.apache.kafka.common.requests.CreateTopicsRequest; +import org.apache.kafka.common.requests.CreateTopicsResponse; +import org.apache.kafka.common.requests.RequestContext; +import org.apache.kafka.common.requests.RequestHeader; +import org.apache.kafka.coordinator.group.GroupCoordinator; +import org.apache.kafka.coordinator.group.GroupCoordinatorConfig; +import org.apache.kafka.coordinator.share.ShareCoordinator; +import org.apache.kafka.coordinator.share.ShareCoordinatorConfig; +import org.apache.kafka.coordinator.transaction.TransactionLogConfig; +import org.apache.kafka.server.common.ControllerRequestCompletionHandler; +import org.apache.kafka.server.common.NodeToControllerChannelManager; +import org.apache.kafka.server.config.AbstractKafkaConfig; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Properties; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.function.Supplier; +import java.util.stream.Stream; + +public class DefaultAutoTopicCreationManager implements AutoTopicCreationManager { + + private static final Logger LOGGER = LoggerFactory.getLogger(DefaultAutoTopicCreationManager.class); + + private final AbstractKafkaConfig config; + private final NodeToControllerChannelManager channelManager; + private final GroupCoordinator groupCoordinator; + private final ShareCoordinator shareCoordinator; + private final Supplier<Properties> transactionTopicConfigsSupplier; + private final Set<String> inflightTopics = ConcurrentHashMap.newKeySet(); + + public DefaultAutoTopicCreationManager( + AbstractKafkaConfig config, + NodeToControllerChannelManager channelManager, + GroupCoordinator groupCoordinator, + Supplier<Properties> transactionTopicConfigsSupplier, Review Comment: Unfortunately, TransactionCoordinator is still in Scala. We can switch this back to use TransactionCoordinator once its migration to Java is complete. ########## server/src/main/java/org/apache/kafka/server/AutoTopicCreationManager.java: ########## @@ -0,0 +1,58 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.kafka.server; + +import org.apache.kafka.common.message.CreateTopicsRequestData.CreatableTopic; +import org.apache.kafka.common.message.MetadataResponseData.MetadataResponseTopic; +import org.apache.kafka.common.requests.RequestContext; + +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; + +public interface AutoTopicCreationManager { + + /** + * Initiate auto topic creation for the given topics. + * + * @param topics the topics to create + * @param metadataRequestContext defined when creating topics on behalf of the client. The goal here is to preserve + * original client principal for auditing, thus needing to wrap a plain CreateTopicsRequest + * inside Envelope to send to the controller when forwarding is enabled. + * @return auto created topic metadata responses + */ + List<MetadataResponseTopic> createTopics( + Set<String> topics, + Optional<RequestContext> metadataRequestContext + ); Review Comment: Removed the unused `controllerMutationQuota` param from createTopics as we didn't use it in the method, and looks like it is a leftover in ZK cleanup. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org