fqaiser94 commented on code in PR #10351: URL: https://github.com/apache/iceberg/pull/10351#discussion_r1663401716
########## kafka-connect/kafka-connect/src/main/java/org/apache/iceberg/connect/channel/KafkaUtils.java: ########## @@ -0,0 +1,61 @@ +/* + * 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.iceberg.connect.channel; + +import java.util.concurrent.ExecutionException; +import org.apache.iceberg.common.DynFields; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.kafka.clients.admin.Admin; +import org.apache.kafka.clients.admin.ConsumerGroupDescription; +import org.apache.kafka.clients.admin.DescribeConsumerGroupsResult; +import org.apache.kafka.clients.consumer.Consumer; +import org.apache.kafka.clients.consumer.ConsumerGroupMetadata; +import org.apache.kafka.connect.errors.ConnectException; +import org.apache.kafka.connect.sink.SinkTaskContext; + +class KafkaUtils { + + private static final String CONTEXT_CLASS_NAME = + "org.apache.kafka.connect.runtime.WorkerSinkTaskContext"; + + static ConsumerGroupDescription consumerGroupDescription(String consumerGroupId, Admin admin) { + try { + DescribeConsumerGroupsResult result = + admin.describeConsumerGroups(ImmutableList.of(consumerGroupId)); + return result.describedGroups().get(consumerGroupId).get(); + + } catch (InterruptedException | ExecutionException e) { + throw new ConnectException( + "Cannot retrieve members for consumer group: " + consumerGroupId, e); + } + } + + @SuppressWarnings("unchecked") + static ConsumerGroupMetadata consumerGroupMetadata( + SinkTaskContext context, String connectGroupId) { + if (CONTEXT_CLASS_NAME.equals(context.getClass().getName())) { + return ((Consumer<byte[], byte[]>) + DynFields.builder().hiddenImpl(CONTEXT_CLASS_NAME, "consumer").build(context).get()) + .groupMetadata(); + } + return new ConsumerGroupMetadata(connectGroupId); Review Comment: Are we sure we want to fall back to the non-zombie-fencing consumer-group-metadata? IMO we should just hard fail, this shouldn't happen and if it does, we're risking duplicates. If not, we should at least throw a warning log if we hit this case. -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org