lvyanquan commented on code in PR #3668: URL: https://github.com/apache/flink-cdc/pull/3668#discussion_r1905394070
########## flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlOnLineSchemaMigrationITCase.java: ########## @@ -0,0 +1,591 @@ +/* + * 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.cdc.connectors.mysql.source; + +import org.apache.flink.api.common.eventtime.WatermarkStrategy; +import org.apache.flink.api.common.restartstrategy.RestartStrategies; +import org.apache.flink.cdc.common.data.binary.BinaryRecordData; +import org.apache.flink.cdc.common.data.binary.BinaryStringData; +import org.apache.flink.cdc.common.event.AddColumnEvent; +import org.apache.flink.cdc.common.event.AlterColumnTypeEvent; +import org.apache.flink.cdc.common.event.CreateTableEvent; +import org.apache.flink.cdc.common.event.DataChangeEvent; +import org.apache.flink.cdc.common.event.DropColumnEvent; +import org.apache.flink.cdc.common.event.Event; +import org.apache.flink.cdc.common.event.TableId; +import org.apache.flink.cdc.common.schema.PhysicalColumn; +import org.apache.flink.cdc.common.schema.Schema; +import org.apache.flink.cdc.common.source.FlinkSourceProvider; +import org.apache.flink.cdc.common.types.DataType; +import org.apache.flink.cdc.common.types.DataTypes; +import org.apache.flink.cdc.connectors.mysql.factory.MySqlDataSourceFactory; +import org.apache.flink.cdc.connectors.mysql.source.config.MySqlSourceConfigFactory; +import org.apache.flink.cdc.connectors.mysql.table.StartupOptions; +import org.apache.flink.cdc.connectors.mysql.testutils.MySqlContainer; +import org.apache.flink.cdc.connectors.mysql.testutils.MySqlVersion; +import org.apache.flink.cdc.connectors.mysql.testutils.UniqueDatabase; +import org.apache.flink.cdc.runtime.typeutils.BinaryRecordDataGenerator; +import org.apache.flink.cdc.runtime.typeutils.EventTypeInfo; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.table.planner.factories.TestValuesTableFactory; +import org.apache.flink.util.CloseableIterator; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import org.testcontainers.DockerClientFactory; +import org.testcontainers.containers.Container; +import org.testcontainers.containers.GenericContainer; +import org.testcontainers.containers.output.Slf4jLogConsumer; +import org.testcontainers.lifecycle.Startables; + +import java.io.IOException; +import java.sql.Connection; +import java.sql.Statement; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import static org.apache.flink.cdc.connectors.mysql.source.MySqlDataSourceOptions.SCHEMA_CHANGE_ENABLED; +import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_PASSWORD; +import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.TEST_USER; +import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.fetchResults; +import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.getServerId; +import static org.junit.Assert.assertEquals; + +/** + * IT case for Evolving MySQL schema with gh-ost/pt-osc utility. See <a + * href="https://github.com/github/gh-ost";>github/gh-ost</a>/<a + * href="https://docs.percona.com/percona-toolkit/pt-online-schema-change.html";>doc/pt-osc</a> for + * more details. + */ +public class MySqlOnLineSchemaMigrationITCase extends MySqlSourceTestBase { + private static final MySqlContainer MYSQL8_CONTAINER = + createMySqlContainer(MySqlVersion.V8_0, "docker/server-gtids/expire-seconds/my.cnf"); + + private static final String PERCONA_TOOLKIT = "perconalab/percona-toolkit:3.5.7"; + + protected static final GenericContainer<?> PERCONA_TOOLKIT_CONTAINER = + createPerconaToolkitContainer(); + + private final UniqueDatabase customerDatabase = + new UniqueDatabase(MYSQL8_CONTAINER, "customer", TEST_USER, TEST_PASSWORD); + + private final StreamExecutionEnvironment env = + StreamExecutionEnvironment.getExecutionEnvironment(); + + private static final String GH_OST_DOWNLOAD_LINK = + DockerClientFactory.instance().client().versionCmd().exec().getArch().equals("amd64") + ? "https://github.com/github/gh-ost/releases/download/v1.1.6/gh-ost-binary-linux-amd64-20231207144046.tar.gz"; + : "https://github.com/github/gh-ost/releases/download/v1.1.6/gh-ost-binary-linux-arm64-20231207144046.tar.gz";; + + @BeforeClass + public static void beforeClass() { + LOG.info("Starting MySql8 containers..."); + Startables.deepStart(Stream.of(MYSQL8_CONTAINER)).join(); + Startables.deepStart(Stream.of(PERCONA_TOOLKIT_CONTAINER)).join(); + LOG.info("Container MySql8 is started."); + } + + @AfterClass + public static void afterClass() { + LOG.info("Stopping MySql8 containers..."); + MYSQL8_CONTAINER.stop(); + PERCONA_TOOLKIT_CONTAINER.stop(); + LOG.info("Container MySql8 is stopped."); + } + + @Before + public void before() { + customerDatabase.createAndInitialize(); + TestValuesTableFactory.clearAllData(); + env.setParallelism(4); + env.enableCheckpointing(200); + env.setRestartStrategy(RestartStrategies.noRestart()); + } + + @After + public void after() { + customerDatabase.dropDatabase(); + } + + private static void installGhOstCli(Container<?> container) { + try { + execInContainer( + container, + "download gh-ost tarball", + "curl", + "-L", + "-o", + "/tmp/gh-ost.tar.gz", + GH_OST_DOWNLOAD_LINK); + execInContainer( + container, "unzip binary", "tar", "-xzvf", "/tmp/gh-ost.tar.gz", "-C", "/bin"); + } catch (IOException | InterruptedException e) { + throw new RuntimeException(e); + } + } + + private static GenericContainer<?> createPerconaToolkitContainer() { + GenericContainer<?> perconaToolkit = + new GenericContainer<>(PERCONA_TOOLKIT) + // keep container alive + .withCommand("tail", "-f", "/dev/null") + .withNetwork(NETWORK) + .withLogConsumer(new Slf4jLogConsumer(LOG)); + return perconaToolkit; + } + + @Test + public void testGhOstSchemaMigrationFromScratch() throws Exception { + LOG.info("Step 1: Install gh-ost command line utility"); + installGhOstCli(MYSQL8_CONTAINER); + + LOG.info("Step 2: Start pipeline job"); + env.setParallelism(1); + TableId tableId = TableId.tableId(customerDatabase.getDatabaseName(), "customers"); + MySqlSourceConfigFactory configFactory = + new MySqlSourceConfigFactory() + .hostname(MYSQL8_CONTAINER.getHost()) + .port(MYSQL8_CONTAINER.getDatabasePort()) + .username(TEST_USER) + .password(TEST_PASSWORD) + .databaseList(customerDatabase.getDatabaseName()) + .tableList(customerDatabase.getDatabaseName() + "\\.customers") Review Comment: I think it would be more reliable to validate capturing the changes of entire database. -- This is an automated message from the Apache Git Service. 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