Shekharrajak commented on code in PR #271: URL: https://github.com/apache/flink-connector-kafka/pull/271#discussion_r3448013655
########## flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/sink/KafkaShareEosPipelineITCase.java: ########## @@ -0,0 +1,1086 @@ +/* + * 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.flink.connector.kafka.sink; + +import org.apache.flink.api.common.functions.RichMapFunction; +import org.apache.flink.api.common.state.CheckpointListener; +import org.apache.flink.api.common.state.ListState; +import org.apache.flink.api.common.state.ListStateDescriptor; +import org.apache.flink.api.connector.sink2.Committer; +import org.apache.flink.api.connector.sink2.CommitterInitContext; +import org.apache.flink.api.connector.sink2.WriterInitContext; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.configuration.RestartStrategyOptions; +import org.apache.flink.connector.base.DeliveryGuarantee; +import org.apache.flink.connector.kafka.share.ShareAckCommittable; +import org.apache.flink.connector.kafka.sink.internal.FlinkKafkaInternalProducer; +import org.apache.flink.connector.kafka.sink.internal.KafkaCommitter; +import org.apache.flink.connector.kafka.source.reader.transaction.KafkaShareAckTransactionManager; +import org.apache.flink.connector.kafka.source.reader.transaction.ShareAckTransactionClient; +import org.apache.flink.connector.kafka.source.reader.transaction.ShareAckTransactionHandle; +import org.apache.flink.connector.kafka.testutils.TestKafkaContainer; +import org.apache.flink.core.io.SimpleVersionedSerializer; +import org.apache.flink.core.testutils.CommonTestUtils; +import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration; +import org.apache.flink.streaming.api.checkpoint.CheckpointedFunction; +import org.apache.flink.streaming.api.connector.sink2.CommittableMessage; +import org.apache.flink.streaming.api.connector.sink2.StandardSinkTopologies; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.streaming.api.functions.source.legacy.RichParallelSourceFunction; +import org.apache.flink.streaming.api.functions.source.legacy.SourceFunction; +import org.apache.flink.test.util.MiniClusterWithClientResource; + +import org.apache.kafka.clients.admin.AdminClient; +import org.apache.kafka.clients.admin.AlterConfigOp; +import org.apache.kafka.clients.admin.ConfigEntry; +import org.apache.kafka.clients.admin.ListShareGroupOffsetsOptions; +import org.apache.kafka.clients.admin.ListShareGroupOffsetsResult; +import org.apache.kafka.clients.admin.ListShareGroupOffsetsSpec; +import org.apache.kafka.clients.admin.NewTopic; +import org.apache.kafka.clients.admin.SharePartitionOffsetInfo; +import org.apache.kafka.clients.consumer.AcknowledgeType; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.clients.consumer.ConsumerRecords; +import org.apache.kafka.clients.consumer.KafkaConsumer; +import org.apache.kafka.clients.consumer.KafkaShareConsumer; +import org.apache.kafka.clients.producer.KafkaProducer; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.config.ConfigResource; +import org.apache.kafka.common.config.ConfigResource.Type; +import org.apache.kafka.common.serialization.ByteArrayDeserializer; +import org.apache.kafka.common.serialization.ByteArraySerializer; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.Assumptions; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.Timeout; +import org.junit.jupiter.api.parallel.ResourceLock; +import org.testcontainers.utility.DockerImageName; + +import javax.annotation.Nullable; + +import java.io.IOException; +import java.io.Serializable; +import java.lang.reflect.Method; +import java.nio.charset.StandardCharsets; +import java.time.Duration; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.LinkedHashSet; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Properties; +import java.util.Queue; +import java.util.Set; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentLinkedQueue; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicReference; +import java.util.stream.Collectors; +import java.util.stream.IntStream; + +import static org.assertj.core.api.Assertions.assertThat; + +@Timeout(240) +@ResourceLock("KafkaTestBase") +class KafkaShareEosPipelineITCase { + + private static final String BOOTSTRAP_SERVERS_PROPERTY = + "flink.kafka.share.it.bootstrap.servers"; + private static final String KAFKA_IMAGE_PROPERTY = "flink.kafka.share.it.image"; + private static final String SHARE_ACK_MODE_CONFIG = "share.acknowledgement.mode"; + private static final String SHARE_AUTO_OFFSET_RESET_CONFIG = "share.auto.offset.reset"; + private static final Duration POLL_TIMEOUT = Duration.ofMillis(500); + private static final Duration WAIT_TIMEOUT = Duration.ofSeconds(45); + private static final int PARALLELISM = 4; + private static final int NO_CHECKPOINT = -1; + + private static final Map<String, FlinkKafkaInternalProducer<byte[], byte[]>> + SOURCE_ACK_PRODUCERS = new ConcurrentHashMap<>(); + private static final Set<String> SINK_COMMITTED_SHARE_ACKS = ConcurrentHashMap.newKeySet(); + private static final Set<String> COMMITTED_SHARE_ACKS = ConcurrentHashMap.newKeySet(); + private static final Queue<String> COMMIT_EVENTS = new ConcurrentLinkedQueue<>(); + + private TestKafkaContainer kafkaContainer; + + @AfterEach + void tearDown() { + SOURCE_ACK_PRODUCERS.values() + .forEach( + producer -> { + try { + producer.close(); + } catch (Exception ignored) { + } + }); + SOURCE_ACK_PRODUCERS.clear(); + SINK_COMMITTED_SHARE_ACKS.clear(); + COMMITTED_SHARE_ACKS.clear(); + COMMIT_EVENTS.clear(); + if (kafkaContainer != null) { + kafkaContainer.stop(); + kafkaContainer = null; + } + } + + @Test + void testShareSourceOperatorToKafkaSinkExactlyOnceCommitsSinkBeforeShareAcks() + throws Exception { + int partitionCount = 6; + int recordsPerPartition = 5; + int expectedRecords = partitionCount * recordsPerPartition; + SharePipelineContext context = createContext(partitionCount); + produceToPartitions( + context.bootstrapServers, context.inputTopic, partitionCount, recordsPerPartition); + + Configuration flinkConfiguration = new Configuration(); + flinkConfiguration.set(RestartStrategyOptions.RESTART_STRATEGY, "none"); + MiniClusterWithClientResource miniCluster = Review Comment: this is basically to setup like : ``` MiniCluster: 2 TaskManagers, 2 slots each parallelism: 4 input topic: 6 partitions, 30 records output topic: 6 partitions source -> rebalance -> map -> Kafka EOS sink ``` -- This is an automated message from the Apache Git Service. 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