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[FLINK-36931][cdc] FlinkCDC YAML supports batch mode
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flink-cdc-common/src/main/java/org/apache/flink/cdc/common/pipeline/RunTimeMode.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.common.pipeline; | ||
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| import org.apache.flink.cdc.common.annotation.PublicEvolving; | ||
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| @PublicEvolving | ||
| public enum RunTimeMode { | ||
| STREAMING, | ||
| BATCH | ||
| } |
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204
...r/src/test/java/org/apache/flink/cdc/composer/flink/FlinkPipelineBatchComposerITCase.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.composer.flink; | ||
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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.RunTimeMode; | ||
| 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.connectors.values.ValuesDatabase; | ||
| import org.apache.flink.cdc.connectors.values.factory.ValuesDataFactory; | ||
| import org.apache.flink.cdc.connectors.values.sink.ValuesDataSink; | ||
| import org.apache.flink.cdc.connectors.values.sink.ValuesDataSinkOptions; | ||
| import org.apache.flink.cdc.connectors.values.source.ValuesDataSourceHelper; | ||
| import org.apache.flink.cdc.connectors.values.source.ValuesDataSourceOptions; | ||
| import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration; | ||
| import org.apache.flink.test.junit5.MiniClusterExtension; | ||
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| import org.junit.jupiter.api.AfterEach; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.RegisterExtension; | ||
|
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| import java.io.ByteArrayOutputStream; | ||
| import java.io.PrintStream; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
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| import static org.apache.flink.cdc.connectors.values.source.ValuesDataSourceHelper.TABLE_1; | ||
| import static org.apache.flink.configuration.CoreOptions.ALWAYS_PARENT_FIRST_LOADER_PATTERNS_ADDITIONAL; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
|
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| public class FlinkPipelineBatchComposerITCase { | ||
|
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| private static final int MAX_PARALLELISM = 4; | ||
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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(); | ||
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| static { | ||
| MINI_CLUSTER_CONFIG.set( | ||
| ALWAYS_PARENT_FIRST_LOADER_PATTERNS_ADDITIONAL, | ||
| Collections.singletonList("org.apache.flink.cdc")); | ||
| } | ||
|
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| /** | ||
| * Use {@link MiniClusterExtension} to reduce the overhead of restarting the MiniCluster for | ||
| * every test case. | ||
| */ | ||
| @RegisterExtension | ||
| static final MiniClusterExtension MINI_CLUSTER_RESOURCE = | ||
| new MiniClusterExtension( | ||
| new MiniClusterResourceConfiguration.Builder() | ||
| .setNumberTaskManagers(1) | ||
| .setNumberSlotsPerTaskManager(MAX_PARALLELISM) | ||
| .setConfiguration(MINI_CLUSTER_CONFIG) | ||
| .build()); | ||
|
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| private final PrintStream standardOut = System.out; | ||
| private final ByteArrayOutputStream outCaptor = new ByteArrayOutputStream(); | ||
|
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| @BeforeEach | ||
| 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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| @AfterEach | ||
| void cleanup() { | ||
| System.setOut(standardOut); | ||
| } | ||
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| @Test | ||
| void testSnapshotStreamTable() throws Exception { | ||
| FlinkPipelineComposer composer = FlinkPipelineComposer.ofMiniCluster(); | ||
|
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| // Setup value source | ||
| Configuration sourceConfig = new Configuration(); | ||
| sourceConfig.set( | ||
| ValuesDataSourceOptions.EVENT_SET_ID, | ||
| ValuesDataSourceHelper.EventSetId.BATCH_TABLE); | ||
| SourceDef sourceDef = | ||
| new SourceDef(ValuesDataFactory.IDENTIFIER, "Value Source", sourceConfig); | ||
|
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| // Setup value sink | ||
| Configuration sinkConfig = new Configuration(); | ||
| sinkConfig.set(ValuesDataSinkOptions.MATERIALIZED_IN_MEMORY, true); | ||
| sinkConfig.set(ValuesDataSinkOptions.SINK_API, ValuesDataSink.SinkApi.SINK_V2); | ||
| SinkDef sinkDef = new SinkDef(ValuesDataFactory.IDENTIFIER, "Value Sink", sinkConfig); | ||
|
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| // Setup pipeline | ||
| Configuration pipelineConfig = new Configuration(); | ||
| pipelineConfig.set(PipelineOptions.PIPELINE_PARALLELISM, 1); | ||
| pipelineConfig.set( | ||
| PipelineOptions.PIPELINE_SCHEMA_CHANGE_BEHAVIOR, SchemaChangeBehavior.EVOLVE); | ||
| PipelineDef pipelineDef = | ||
| new PipelineDef( | ||
| sourceDef, | ||
| sinkDef, | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| pipelineConfig); | ||
|
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| // Execute the pipeline | ||
| PipelineExecution execution = composer.compose(pipelineDef); | ||
| execution.execute(); | ||
|
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| // Check result in ValuesDatabase | ||
| List<String> results = ValuesDatabase.getResults(TABLE_1); | ||
| assertThat(results) | ||
| .contains( | ||
| "default_namespace.default_schema.table1:col1=1;col2=1", | ||
| "default_namespace.default_schema.table1:col1=2;col2=2", | ||
| "default_namespace.default_schema.table1:col1=3;col2=3"); | ||
|
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| // Check the order and content of all received events | ||
| String[] outputEvents = outCaptor.toString().replace("\r\n", "\n").trim().split("\n"); | ||
| assertThat(outputEvents) | ||
| .containsExactly( | ||
| "CreateTableEvent{tableId=default_namespace.default_schema.table1, schema=columns={`col1` STRING,`col2` STRING}, primaryKeys=col1, options=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[1, 1], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[2, 2], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[3, 3], op=INSERT, meta=()}"); | ||
| } | ||
|
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| @Test | ||
| void testSnapshotBatchTable() throws Exception { | ||
| FlinkPipelineComposer composer = FlinkPipelineComposer.ofMiniCluster(); | ||
|
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| // Setup value source | ||
| Configuration sourceConfig = new Configuration(); | ||
| sourceConfig.set( | ||
| ValuesDataSourceOptions.EVENT_SET_ID, | ||
| ValuesDataSourceHelper.EventSetId.BATCH_TABLE); | ||
| SourceDef sourceDef = | ||
| new SourceDef(ValuesDataFactory.IDENTIFIER, "Value Source", sourceConfig); | ||
|
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| // Setup value sink | ||
| Configuration sinkConfig = new Configuration(); | ||
| sinkConfig.set(ValuesDataSinkOptions.MATERIALIZED_IN_MEMORY, true); | ||
| sinkConfig.set(ValuesDataSinkOptions.SINK_API, ValuesDataSink.SinkApi.SINK_V2); | ||
| SinkDef sinkDef = new SinkDef(ValuesDataFactory.IDENTIFIER, "Value Sink", sinkConfig); | ||
|
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| // Setup pipeline | ||
| Configuration pipelineConfig = new Configuration(); | ||
| pipelineConfig.set(PipelineOptions.PIPELINE_PARALLELISM, 1); | ||
| pipelineConfig.set(PipelineOptions.PIPELINE_RUNTIME_MODE, RunTimeMode.BATCH); | ||
| pipelineConfig.set( | ||
| PipelineOptions.PIPELINE_SCHEMA_CHANGE_BEHAVIOR, SchemaChangeBehavior.EVOLVE); | ||
| PipelineDef pipelineDef = | ||
| new PipelineDef( | ||
| sourceDef, | ||
| sinkDef, | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| Collections.emptyList(), | ||
| pipelineConfig); | ||
|
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| // Execute the pipeline | ||
| PipelineExecution execution = composer.compose(pipelineDef); | ||
| execution.execute(); | ||
|
|
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| // Check result in ValuesDatabase | ||
| List<String> results = ValuesDatabase.getResults(TABLE_1); | ||
| assertThat(results) | ||
| .contains( | ||
| "default_namespace.default_schema.table1:col1=1;col2=1", | ||
| "default_namespace.default_schema.table1:col1=2;col2=2", | ||
| "default_namespace.default_schema.table1:col1=3;col2=3"); | ||
|
|
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| // Check the order and content of all received events | ||
| String[] outputEvents = outCaptor.toString().replace("\r\n", "\n").trim().split("\n"); | ||
| assertThat(outputEvents) | ||
| .containsExactly( | ||
| "CreateTableEvent{tableId=default_namespace.default_schema.table1, schema=columns={`col1` STRING,`col2` STRING}, primaryKeys=col1, options=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[1, 1], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[2, 2], op=INSERT, meta=()}", | ||
| "DataChangeEvent{tableId=default_namespace.default_schema.table1, before=[], after=[3, 3], op=INSERT, meta=()}"); | ||
| } | ||
| } |
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