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tests: add mysql-source it case for parallelized schema evolution
Signed-off-by: yuxiqian <34335406+yuxiqian@users.noreply.github.com>
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...st/java/org/apache/flink/cdc/connectors/mysql/source/MySqlParallelizedPipelineITCase.java
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| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.flink.cdc.connectors.mysql.source; | ||
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| import org.apache.flink.cdc.common.configuration.Configuration; | ||
| import org.apache.flink.cdc.common.pipeline.PipelineOptions; | ||
| import org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior; | ||
| import org.apache.flink.cdc.composer.PipelineExecution; | ||
| import org.apache.flink.cdc.composer.definition.PipelineDef; | ||
| import org.apache.flink.cdc.composer.definition.SinkDef; | ||
| import org.apache.flink.cdc.composer.definition.SourceDef; | ||
| import org.apache.flink.cdc.composer.flink.FlinkPipelineComposer; | ||
| import org.apache.flink.cdc.connectors.mysql.factory.MySqlDataSourceFactory; | ||
| import org.apache.flink.cdc.connectors.mysql.testutils.UniqueDatabase; | ||
| import org.apache.flink.cdc.connectors.values.ValuesDatabase; | ||
| import org.apache.flink.cdc.connectors.values.factory.ValuesDataFactory; | ||
| import org.apache.flink.cdc.connectors.values.sink.ValuesDataSinkOptions; | ||
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|
||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
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|
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| import java.io.ByteArrayOutputStream; | ||
| import java.io.PrintStream; | ||
| import java.sql.Connection; | ||
| import java.sql.DriverManager; | ||
| import java.sql.SQLException; | ||
| import java.sql.Statement; | ||
| import java.time.Duration; | ||
| import java.util.Collections; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.IntStream; | ||
| import java.util.stream.Stream; | ||
|
|
||
| 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.getServerId; | ||
| import static org.apache.flink.cdc.connectors.mysql.testutils.MySqSourceTestUtils.loopCheck; | ||
| import static org.apache.flink.configuration.CoreOptions.ALWAYS_PARENT_FIRST_LOADER_PATTERNS_ADDITIONAL; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
|
|
||
| /** Parallelized Integration test for MySQL connector. */ | ||
| public class MySqlParallelizedPipelineITCase extends MySqlSourceTestBase { | ||
|
|
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| private static final int PARALLELISM = 4; | ||
| private static final int TEST_TABLE_NUMBER = 100; | ||
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|
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| // Always use parent-first classloader for CDC classes. | ||
| // The reason is that ValuesDatabase uses static field for holding data, we need to make sure | ||
| // the class is loaded by AppClassloader so that we can verify data in the test case. | ||
| private static final org.apache.flink.configuration.Configuration MINI_CLUSTER_CONFIG = | ||
| new org.apache.flink.configuration.Configuration(); | ||
|
|
||
| static { | ||
| MINI_CLUSTER_CONFIG.set( | ||
| ALWAYS_PARENT_FIRST_LOADER_PATTERNS_ADDITIONAL, | ||
| Collections.singletonList("org.apache.flink.cdc")); | ||
| } | ||
|
|
||
| private final PrintStream standardOut = System.out; | ||
| private final ByteArrayOutputStream outCaptor = new ByteArrayOutputStream(); | ||
|
|
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| private final UniqueDatabase parallelismDatabase = | ||
| new UniqueDatabase( | ||
| MYSQL_CONTAINER, "extreme_parallelism_test_database", TEST_USER, TEST_PASSWORD); | ||
|
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||
| @Before | ||
| public void init() { | ||
| // Take over STDOUT as we need to check the output of values sink | ||
| System.setOut(new PrintStream(outCaptor)); | ||
| // Initialize in-memory database | ||
| ValuesDatabase.clear(); | ||
| } | ||
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|
||
| @After | ||
| public void cleanup() { | ||
| System.setOut(standardOut); | ||
| } | ||
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| @Test | ||
| public void testExtremeParallelizedSchemaChange() throws Exception { | ||
| final String databaseName = parallelismDatabase.getDatabaseName(); | ||
| try (Connection conn = | ||
| DriverManager.getConnection( | ||
| MYSQL_CONTAINER.getJdbcUrl(), TEST_USER, TEST_PASSWORD); | ||
| Statement stat = conn.createStatement()) { | ||
| stat.execute(String.format("CREATE DATABASE %s;", databaseName)); | ||
| stat.execute(String.format("USE %s;", databaseName)); | ||
| for (int i = 1; i <= TEST_TABLE_NUMBER; i++) { | ||
| stat.execute(String.format("DROP TABLE IF EXISTS TABLE%d;", i)); | ||
| stat.execute( | ||
| String.format( | ||
| "CREATE TABLE TABLE%d (ID INT NOT NULL PRIMARY KEY,VERSION VARCHAR(17));", | ||
| i)); | ||
| stat.execute(String.format("INSERT INTO TABLE%d VALUES (%d, 'No.%d');", i, i, i)); | ||
| } | ||
| } catch (SQLException e) { | ||
| LOG.error("Initialize table failed.", e); | ||
| throw e; | ||
| } | ||
| LOG.info("Table initialized successfully."); | ||
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| FlinkPipelineComposer composer = FlinkPipelineComposer.ofMiniCluster(); | ||
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| // Setup MySQL source | ||
| Configuration sourceConfig = new Configuration(); | ||
| sourceConfig.set(MySqlDataSourceOptions.HOSTNAME, MYSQL_CONTAINER.getHost()); | ||
| sourceConfig.set(MySqlDataSourceOptions.PORT, MYSQL_CONTAINER.getDatabasePort()); | ||
| sourceConfig.set(MySqlDataSourceOptions.USERNAME, TEST_USER); | ||
| sourceConfig.set(MySqlDataSourceOptions.PASSWORD, TEST_PASSWORD); | ||
| sourceConfig.set(MySqlDataSourceOptions.SERVER_TIME_ZONE, "UTC"); | ||
| sourceConfig.set(MySqlDataSourceOptions.TABLES, "\\.*.\\.*"); | ||
| sourceConfig.set(MySqlDataSourceOptions.SERVER_ID, getServerId(PARALLELISM)); | ||
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| SourceDef sourceDef = | ||
| new SourceDef(MySqlDataSourceFactory.IDENTIFIER, "MySQL Source", sourceConfig); | ||
|
|
||
| // Setup value sink | ||
| Configuration sinkConfig = new Configuration(); | ||
| sinkConfig.set(ValuesDataSinkOptions.MATERIALIZED_IN_MEMORY, true); | ||
| SinkDef sinkDef = new SinkDef(ValuesDataFactory.IDENTIFIER, "Value Sink", sinkConfig); | ||
|
|
||
| // Setup pipeline | ||
| Configuration pipelineConfig = new Configuration(); | ||
| pipelineConfig.set(PipelineOptions.PIPELINE_PARALLELISM, PARALLELISM); | ||
| pipelineConfig.set( | ||
| PipelineOptions.PIPELINE_SCHEMA_CHANGE_BEHAVIOR, SchemaChangeBehavior.EVOLVE); | ||
| PipelineDef pipelineDef = | ||
| new PipelineDef( | ||
| sourceDef, | ||
| sinkDef, | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| pipelineConfig); | ||
|
|
||
| // Execute the pipeline | ||
| PipelineExecution execution = composer.compose(pipelineDef); | ||
| Thread executeThread = | ||
| new Thread( | ||
| () -> { | ||
| try { | ||
| execution.execute(); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| }); | ||
|
|
||
| executeThread.start(); | ||
|
|
||
| try { | ||
| loopCheck( | ||
| () -> | ||
| outCaptor.toString().trim().split("\n").length | ||
| >= TEST_TABLE_NUMBER * (PARALLELISM + 1), | ||
| "collect enough rows", | ||
| Duration.ofSeconds(120), | ||
| Duration.ofSeconds(1)); | ||
| } finally { | ||
| executeThread.interrupt(); | ||
| } | ||
|
|
||
| // Check the order and content of all received events | ||
| String outputEvents = outCaptor.toString(); | ||
| assertThat(outputEvents) | ||
| .contains( | ||
| IntStream.rangeClosed(1, TEST_TABLE_NUMBER) | ||
| .boxed() | ||
| .flatMap( | ||
| i -> | ||
| Stream.concat( | ||
| IntStream.range(0, PARALLELISM) | ||
| .boxed() | ||
| .map( | ||
| subTaskId -> | ||
| String.format( | ||
| "%d> CreateTableEvent{tableId=%s.TABLE%d, schema=columns={`ID` INT NOT NULL,`VERSION` VARCHAR(17)}, primaryKeys=ID, options=()}", | ||
| subTaskId, | ||
| parallelismDatabase | ||
| .getDatabaseName(), | ||
| i)), | ||
| Stream.of( | ||
| String.format( | ||
| "> DataChangeEvent{tableId=%s.TABLE%d, before=[], after=[%d, No.%d], op=INSERT, meta=()}", | ||
| parallelismDatabase | ||
| .getDatabaseName(), | ||
| i, | ||
| i, | ||
| i)))) | ||
| .collect(Collectors.toList())); | ||
| } | ||
| } |
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