pvary commented on code in PR #15151: URL: https://github.com/apache/iceberg/pull/15151#discussion_r2821331800
########## flink/v2.1/flink/src/test/java/org/apache/iceberg/flink/maintenance/api/TestTableMaintenanceCoordinationLock.java: ########## @@ -0,0 +1,349 @@ +/* + * 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.flink.maintenance.api; + +import static org.apache.iceberg.flink.SimpleDataUtil.createRowData; +import static org.apache.iceberg.flink.maintenance.api.TableMaintenance.SOURCE_OPERATOR_NAME_PREFIX; +import static org.assertj.core.api.Assertions.assertThat; + +import java.io.File; +import java.io.IOException; +import java.io.Serializable; +import java.time.Duration; +import java.util.Collections; +import java.util.List; +import org.apache.flink.api.common.functions.MapFunction; +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.api.dag.Transformation; +import org.apache.flink.api.java.tuple.Tuple2; +import org.apache.flink.api.java.typeutils.ResultTypeQueryable; +import org.apache.flink.configuration.CheckpointingOptions; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.core.execution.JobClient; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.streaming.api.transformations.SourceTransformation; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.runtime.typeutils.InternalTypeInfo; +import org.apache.iceberg.Table; +import org.apache.iceberg.flink.FlinkSchemaUtil; +import org.apache.iceberg.flink.TableLoader; +import org.apache.iceberg.flink.maintenance.operator.ManualSource; +import org.apache.iceberg.flink.maintenance.operator.OperatorTestBase; +import org.apache.iceberg.flink.maintenance.operator.TableChange; +import org.apache.iceberg.flink.sink.FlinkSink; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; +import org.awaitility.Awaitility; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.io.TempDir; + +class TestTableMaintenanceCoordinationLock extends OperatorTestBase { + private static final String MAINTENANCE_TASK_NAME = "TestTableMaintenance"; + private static final String[] TASKS = + new String[] {MAINTENANCE_TASK_NAME + " [0]", MAINTENANCE_TASK_NAME + " [1]"}; + private static final TableChange DUMMY_CHANGE = TableChange.builder().commitCount(1).build(); + private static final List<Trigger> PROCESSED = + Collections.synchronizedList(Lists.newArrayListWithCapacity(1)); + + private StreamExecutionEnvironment env; + private Table table; + + @TempDir private File checkpointDir; + + @BeforeEach + public void beforeEach() throws IOException { + Configuration config = new Configuration(); + config.set(CheckpointingOptions.CHECKPOINT_STORAGE, "filesystem"); + config.set(CheckpointingOptions.CHECKPOINTS_DIRECTORY, "file://" + checkpointDir.getPath()); + this.env = StreamExecutionEnvironment.getExecutionEnvironment(config); + this.table = createTable(); + insert(table, 1, "a"); + + PROCESSED.clear(); + MaintenanceTaskBuilderForTest.counter = 0; + } + + @Test + void testForChangeStream() throws Exception { + ManualSource<TableChange> schedulerSource = + new ManualSource<>(env, TypeInformation.of(TableChange.class)); + + TableMaintenance.Builder streamBuilder = + TableMaintenance.forChangeStream(schedulerSource.dataStream(), tableLoader()) + .rateLimit(Duration.ofMillis(2)) + .lockCheckDelay(Duration.ofSeconds(3)) + .add( + new MaintenanceTaskBuilderForTest(true) + .scheduleOnCommitCount(1) + .scheduleOnDataFileCount(2) + .scheduleOnDataFileSize(3L) + .scheduleOnEqDeleteFileCount(4) + .scheduleOnEqDeleteRecordCount(5L) + .scheduleOnPosDeleteFileCount(6) + .scheduleOnPosDeleteRecordCount(7L) + .scheduleOnInterval(Duration.ofHours(1))); + + sendEvents(schedulerSource, streamBuilder, ImmutableList.of(Tuple2.of(DUMMY_CHANGE, 1))); + } + + @Test + void testForTable() throws Exception { + TableLoader tableLoader = tableLoader(); + + env.enableCheckpointing(10); + + TableMaintenance.forTable(env, tableLoader) + .rateLimit(Duration.ofMillis(2)) + .maxReadBack(2) + .add(new MaintenanceTaskBuilderForTest(true).scheduleOnCommitCount(2)) + .append(); + + // Creating a stream for inserting data into the table concurrently + ManualSource<RowData> insertSource = + new ManualSource<>(env, InternalTypeInfo.of(FlinkSchemaUtil.convert(table.schema()))); + FlinkSink.forRowData(insertSource.dataStream()) + .tableLoader(tableLoader) + .uidPrefix(UID_SUFFIX + "-iceberg-sink") + .append(); + + JobClient jobClient = null; + try { + jobClient = env.executeAsync(); + + insertSource.sendRecord(createRowData(2, "b")); + + Awaitility.await().until(() -> PROCESSED.size() == 1); + } finally { + closeJobClient(jobClient); + } + } + + @Test + void testUidAndSlotSharingGroup() throws IOException { + TableMaintenance.forChangeStream( + new ManualSource<>(env, TypeInformation.of(TableChange.class)).dataStream(), + tableLoader()) + .uidSuffix(UID_SUFFIX) + .slotSharingGroup(SLOT_SHARING_GROUP) + .add( + new MaintenanceTaskBuilderForTest(true) + .scheduleOnCommitCount(1) + .uidSuffix(UID_SUFFIX) + .slotSharingGroup(SLOT_SHARING_GROUP)) + .append(); + + checkUidsAreSet(env, UID_SUFFIX); + checkSlotSharingGroupsAreSet(env, SLOT_SHARING_GROUP); + } + + @Test + void testUidAndSlotSharingGroupUnset() throws IOException { + TableMaintenance.forChangeStream( + new ManualSource<>(env, TypeInformation.of(TableChange.class)).dataStream(), + tableLoader()) + .add(new MaintenanceTaskBuilderForTest(true).scheduleOnCommitCount(1)) + .append(); + + checkUidsAreSet(env, null); + checkSlotSharingGroupsAreSet(env, null); + } + + @Test + void testUidAndSlotSharingGroupInherit() throws IOException { + TableMaintenance.forChangeStream( + new ManualSource<>(env, TypeInformation.of(TableChange.class)).dataStream(), + tableLoader()) + .uidSuffix(UID_SUFFIX) + .slotSharingGroup(SLOT_SHARING_GROUP) + .add(new MaintenanceTaskBuilderForTest(true).scheduleOnCommitCount(1)) + .append(); + + checkUidsAreSet(env, UID_SUFFIX); + checkSlotSharingGroupsAreSet(env, SLOT_SHARING_GROUP); + } + + @Test + void testUidAndSlotSharingGroupOverWrite() throws IOException { + String anotherUid = "Another-UID"; + String anotherSlotSharingGroup = "Another-SlotSharingGroup"; + TableMaintenance.forChangeStream( + new ManualSource<>(env, TypeInformation.of(TableChange.class)).dataStream(), + tableLoader()) + .uidSuffix(UID_SUFFIX) + .slotSharingGroup(SLOT_SHARING_GROUP) + .add( + new MaintenanceTaskBuilderForTest(true) + .scheduleOnCommitCount(1) + .uidSuffix(anotherUid) + .slotSharingGroup(anotherSlotSharingGroup)) + .append(); + + // Choose an operator from the scheduler part of the graph + Transformation<?> schedulerTransformation = + env.getTransformations().stream() + .filter(t -> t.getName().equals("Trigger manager")) + .findFirst() + .orElseThrow(); + assertThat(schedulerTransformation.getUid()).contains(UID_SUFFIX); + assertThat(schedulerTransformation.getSlotSharingGroup()).isPresent(); + assertThat(schedulerTransformation.getSlotSharingGroup().get().getName()) + .isEqualTo(SLOT_SHARING_GROUP); + + // Choose an operator from the maintenance task part of the graph + Transformation<?> scheduledTransformation = + env.getTransformations().stream() + .filter(t -> t.getName().startsWith(MAINTENANCE_TASK_NAME)) + .findFirst() + .orElseThrow(); + assertThat(scheduledTransformation.getUid()).contains(anotherUid); + assertThat(scheduledTransformation.getSlotSharingGroup()).isPresent(); + assertThat(scheduledTransformation.getSlotSharingGroup().get().getName()) + .isEqualTo(anotherSlotSharingGroup); + } + + @Test + void testUidAndSlotSharingGroupForMonitorSource() throws IOException { + TableMaintenance.forTable(env, tableLoader()) + .uidSuffix(UID_SUFFIX) + .slotSharingGroup(SLOT_SHARING_GROUP) + .add( + new MaintenanceTaskBuilderForTest(true) + .scheduleOnCommitCount(1) + .uidSuffix(UID_SUFFIX) + .slotSharingGroup(SLOT_SHARING_GROUP)) + .append(); + + Transformation<?> source = monitorSource(); + assertThat(source).isNotNull(); + assertThat(source.getUid()).contains(UID_SUFFIX); + assertThat(source.getSlotSharingGroup()).isPresent(); + assertThat(source.getSlotSharingGroup().get().getName()).isEqualTo(SLOT_SHARING_GROUP); + + checkUidsAreSet(env, UID_SUFFIX); + checkSlotSharingGroupsAreSet(env, SLOT_SHARING_GROUP); + } + + /** + * Sends the events though the {@link ManualSource} provided, and waits until the given number of + * records are processed. + * + * @param schedulerSource used for sending the events + * @param streamBuilder used for generating the job + * @param eventsAndResultNumbers the pair of the event and the expected processed records + * @throws Exception if any + */ + private void sendEvents( Review Comment: Is it worth to refactor and reuse `MaintenanceTaskTestBase.runAndWaitForSuccess`? -- This is an automated message from the Apache Git Service. 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