content: /*
   * 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.trogdor.workload;
  
  import org.apache.kafka.clients.admin.Admin;
  import org.apache.kafka.clients.admin.AlterConfigOp;
  import org.apache.kafka.clients.admin.AlterConfigsOptions;
  import org.apache.kafka.clients.admin.ConfigEntry;
  import org.apache.kafka.clients.consumer.ConsumerConfig;
  import org.apache.kafka.clients.consumer.ConsumerRecords;
  import org.apache.kafka.clients.consumer.KafkaShareConsumer;
  import org.apache.kafka.common.TopicPartition;
  import org.apache.kafka.common.config.ConfigResource;
  import org.apache.kafka.common.serialization.ByteArrayDeserializer;
  import org.apache.kafka.common.utils.Utils;
  import org.apache.kafka.coordinator.group.GroupConfig;
  import org.apache.kafka.trogdor.common.WorkerUtils;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.time.Duration;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Properties;
  import java.util.concurrent.TimeUnit;
  
  public class ShareRoundTripWorker extends RoundTripWorkerBase {
      private static final Logger log = LoggerFactory.getLogger(ShareRoundTripWorker.class);
      KafkaShareConsumer<byte[], byte[]> consumer;
      ShareRoundTripWorker(String id, RoundTripWorkloadSpec spec) {
          this.id = id;
          this.spec = spec;
      }
  
      @Override
      public void initializeConsumer(HashSet<TopicPartition> partitions) {
          Properties props = new Properties();
          props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, spec.bootstrapServers());
          props.put(ConsumerConfig.CLIENT_ID_CONFIG, "consumer." + id);
          props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
          props.put(ConsumerConfig.REQUEST_TIMEOUT_MS_CONFIG, 105000);
          props.put(ConsumerConfig.MAX_POLL_INTERVAL_MS_CONFIG, 100000);
          // user may over-write the defaults with common client config and consumer config
          WorkerUtils.addConfigsToProperties(props, spec.commonClientConf(), spec.consumerConf());
  
          String groupId = "round-trip-share-group-" + id;
          props.put(ConsumerConfig.GROUP_ID_CONFIG, groupId);
  
          try (Admin adminClient = WorkerUtils.createAdminClient(spec.bootstrapServers(), spec.commonClientConf(), spec.adminClientConf())) {
              alterShareAutoOffsetReset(groupId, "earliest", adminClient);
          } catch (Exception e) {
              log.warn("Failed to set share.auto.offset.reset config to 'earliest' mode", e);
              throw e;
          }
  
          consumer = new KafkaShareConsumer<>(props, new ByteArrayDeserializer(),
                  new ByteArrayDeserializer());
          consumer.subscribe(spec.activeTopics().materialize().keySet());
      }
  
      @Override
      protected ConsumerRecords<byte[], byte[]> fetchRecords(Duration duration) {
          return consumer.poll(duration);
      }
  
      @Override
      protected void shutdownConsumer() {
          Utils.closeQuietly(consumer, "consumer");
          consumer = null;
      }
  
      private void alterShareAutoOffsetReset(String groupId, String newValue, Admin adminClient) {
          ConfigResource configResource = new ConfigResource(ConfigResource.Type.GROUP, groupId);
          Map<ConfigResource, Collection<AlterConfigOp>> alterEntries = new HashMap<>();
          alterEntries.put(configResource, List.of(new AlterConfigOp(new ConfigEntry(
                  GroupConfig.SHARE_AUTO_OFFSET_RESET_CONFIG, newValue), AlterConfigOp.OpType.SET)));
          AlterConfigsOptions alterOptions = new AlterConfigsOptions();
          try {
              adminClient.incrementalAlterConfigs(alterEntries, alterOptions)
                      .all()
                      .get(60, TimeUnit.SECONDS);
          } catch (Exception e) {
              throw new RuntimeException("Exception was thrown while attempting to set share.auto.offset.reset config: ", e);
          }
      }
  }
  