Fixing Debezium integration tests (apache#11154)

Fixes apache#11099 

### Motivation

Integration test for debezium connector to tun on CI

### Modifications

Debezium integration test for postgres:  added check for flush lsn updates

Added pulsar-io tests to the CI

.github/workflows/ci-integration-pulsar-io.yaml

@@ -0,0 +1,122 @@
+#
+# 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.
+#
+
+name: CI - Integration - Pulsar-IO Sinks and Sources
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - branch-*
+
+env:
+  MAVEN_OPTS: -Dhttp.keepAlive=false -Dmaven.wagon.http.pool=false -Dmaven.wagon.http.retryHandler.class=standard -Dmaven.wagon.http.retryHandler.count=3
+
+jobs:
+
+  pulsar-io:
+    name:
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: Tune Runner VM
+        uses: ./.github/actions/tune-runner-vm
+
+      - name: Detect changed files
+        id:   changes
+        uses: apache/pulsar-test-infra/paths-filter@master
+        with:
+          filters: .github/changes-filter.yaml
+
+      - name: Check changed files
+        id: check_changes
+        run: echo "::set-output name=docs_only::${{ fromJSON(steps.changes.outputs.all_count) == fromJSON(steps.changes.outputs.docs_count) && fromJSON(steps.changes.outputs.docs_count) > 0 }}"
+
+      - name: Cache local Maven repository
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.m2/repository/*/*/*
+            !~/.m2/repository/org/apache/pulsar
+          key: ${{ runner.os }}-m2-dependencies-all-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-m2-dependencies-core-modules-${{ hashFiles('**/pom.xml') }}
+            ${{ runner.os }}-m2-dependencies-core-modules-
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        with:
+          distribution: 'adopt'
+          java-version: 11
+
+      - name: Replace maven's wagon-http version
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        run: sudo ./build/replace_maven-wagon-http-version.sh
+
+      - name: clean disk
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        run: |
+          sudo swapoff -a
+          sudo rm -rf /swapfile /usr/share/dotnet /usr/local/lib/android /opt/ghc
+          sudo apt clean
+          docker rmi $(docker images -q) -f
+          df -h
+
+      - name: run install by skip tests
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        run: mvn -q -B -ntp clean install -DskipTests
+
+      - name: build pulsar image
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        run: mvn -B -f docker/pulsar/pom.xml install -am -Pdocker,-main -DskipTests -Ddocker.nocache=true
+
+      - name: build pulsar-all image
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        run: mvn -B -f docker/pulsar-all/pom.xml install -am -Pdocker,-main -DskipTests -Ddocker.nocache=true
+
+      - name: build artifacts and docker image
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        run: mvn -B -f tests/docker-images/pom.xml install -am -Pdocker,-main -DskipTests
+
+      - name: run integration tests
+        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
+        run: ./build/run_integration_group.sh PULSAR_IO
+
+      - name: Upload container logs
+        uses: actions/upload-artifact@v2
+        if: ${{ cancelled() || failure() }}
+        continue-on-error: true
+        with:
+          name: container-logs
+          path: tests/integration/target/container-logs
+
+      - name: Upload surefire-reports
+        uses: actions/upload-artifact@v2
+        if: ${{ cancelled() || failure() }}
+        continue-on-error: true
+        with:
+          name: surefire-reports
+          path: tests/integration/target/surefire-reports

build/run_integration_group.sh

@@ -128,11 +128,16 @@ test_group_sql() {
   mvn_run_integration_test "$@" -DintegrationTestSuiteFile=pulsar-sql.xml -DintegrationTests -DtestForkCount=1 -DtestReuseFork=false
 }
 
+test_group_pulsar_io() {
+  mvn_run_integration_test --retry "$@" -DintegrationTestSuiteFile=pulsar-io-suite.xml -DintegrationTests -Dgroups=source
+  #mvn_run_integration_test --retry "$@" -DintegrationTestSuiteFile=pulsar-io-suite.xml -DintegrationTests -Dgroups=sink
+}
+
 echo "Test Group : $TEST_GROUP"
 test_group_function_name="test_group_$(echo "$TEST_GROUP" | tr '[:upper:]' '[:lower:]')"
 if [[ "$(LC_ALL=C type -t $test_group_function_name)" == "function" ]]; then
   eval "$test_group_function_name" "$@"
 else
   echo "INVALID TEST GROUP"
   exit 1
-fi
+fi

tests/integration/src/test/java/org/apache/pulsar/tests/integration/io/sources/SourceTester.java

@@ -50,6 +50,8 @@ public abstract class SourceTester<ServiceContainerT extends GenericContainer> {
     protected final String sourceType;
     protected final Map<String, Object> sourceConfig;
 
+    protected int numEntriesToInsert = 1;
+
     public static final Set<String> DEBEZIUM_FIELD_SET = new HashSet<String>() {{
         add("before");
         add("after");
@@ -85,11 +87,27 @@ public Map<String, Object> sourceConfig() {
 
     public void validateSourceResult(Consumer consumer, int number,
                                      String eventType, String converterClassName) throws Exception {
+        doPreValidationCheck(eventType);
         if (converterClassName.endsWith("AvroConverter")) {
             validateSourceResultAvro(consumer, number, eventType);
         } else {
             validateSourceResultJson(consumer, number, eventType);
         }
+        doPostValidationCheck(eventType);
+    }
+
+    /**
+     * Execute before regular validation to check database-specific state.
+     */
+    public void doPreValidationCheck(String eventType) {
+        log.info("pre-validation of {}", eventType);
+    }
+
+    /**
+     * Execute after regular validation to check database-specific state.
+     */
+    public void doPostValidationCheck(String eventType) {
+        log.info("post-validation of {}", eventType);
     }
 
     public void validateSourceResultJson(Consumer<KeyValue<byte[], byte[]>> consumer, int number, String eventType) throws Exception {

tests/integration/src/test/java/org/apache/pulsar/tests/integration/io/sources/debezium/DebeziumPostgreSqlSourceTester.java

@@ -20,13 +20,20 @@
 
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.pulsar.client.api.Consumer;
+import org.apache.pulsar.client.api.Message;
+import org.apache.pulsar.common.schema.KeyValue;
 import org.apache.pulsar.tests.integration.containers.DebeziumPostgreSqlContainer;
 import org.apache.pulsar.tests.integration.containers.PulsarContainer;
+import org.apache.pulsar.tests.integration.docker.ContainerExecResult;
 import org.apache.pulsar.tests.integration.io.sources.SourceTester;
 import org.apache.pulsar.tests.integration.topologies.PulsarCluster;
+import org.testng.Assert;
 
 import java.io.Closeable;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
 
 /**
  * A tester for testing Debezium Postgresql source.
@@ -49,9 +56,19 @@ public class DebeziumPostgreSqlSourceTester extends SourceTester<DebeziumPostgre
 
     private final PulsarCluster pulsarCluster;
 
+    private final AtomicReference<String> confirmedFlushLsn = new AtomicReference<>("not read yet");
+
     public DebeziumPostgreSqlSourceTester(PulsarCluster cluster) {
         super(NAME);
         this.pulsarCluster = cluster;
+        /*
+        todo (possibly solvable by debezium upgrade?): figure out why last message is lost with larger numEntriesToInsert.
+        I.e. numEntriesToInsert = 100 results in 99 events from debezium 1.0.0, 300 results in 299 events.
+        10 is handled ok.
+        Likely this is related to https://issues.redhat.com/browse/DBZ-2288
+        */
+        this.numEntriesToInsert = 10;
+
         pulsarServiceUrl = "pulsar://pulsar-proxy:" + PulsarContainer.BROKER_PORT;
 
         sourceConfig.put("database.hostname", DebeziumPostgreSqlContainer.NAME);
@@ -81,31 +98,56 @@ public void prepareSource() {
 
     @Override
     public void prepareInsertEvent() throws Exception {
-        this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
-                "psql -h 127.0.0.1 -U postgres -d postgres -c \"select * from inventory.products;\"");
         this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
                 "psql -h 127.0.0.1 -U postgres -d postgres " +
                         "-c \"insert into inventory.products(name, description, weight) " +
                         "values('test-debezium', 'description', 10);\"");
+        this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
+                "psql -h 127.0.0.1 -U postgres -d postgres "+
+                        "-c \"select count(1), max(id) from inventory.products where name='test-debezium' and weight=10;\"");
     }
 
     @Override
     public void prepareDeleteEvent() throws Exception {
-        this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
-                "psql -h 127.0.0.1 -U postgres -d postgres -c \"select * from inventory.products;\"");
         this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
                 "psql -h 127.0.0.1 -U postgres -d postgres " +
                         "-c \"delete from inventory.products where name='test-debezium';\"");
+        this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
+                "psql -h 127.0.0.1 -U postgres -d postgres -c \"select count(1) from inventory.products where name='test-debezium';\"");
     }
 
     @Override
     public void prepareUpdateEvent() throws Exception {
-        this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
-                "psql -h 127.0.0.1 -U postgres -d postgres -c \"select * from inventory.products;\"");
         this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
                 "psql -h 127.0.0.1 -U postgres -d postgres " +
                         "-c \"update inventory.products " +
                         "set description='test-update-description', weight='20' where name='test-debezium';\"");
+        this.debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
+                "psql -h 127.0.0.1 -U postgres -d postgres -c " +
+                        "\"select count(1) from inventory.products where name='test-debezium' and weight=20;\"");
+    }
+
+    @Override
+    public void doPostValidationCheck(String eventType) {
+        super.doPostValidationCheck(eventType);
+        /*
+        confirmed_flush_lsn in pg_replication_slots table has to change,
+        otherwise postgres won't truncate WAL and the disk space will grow.
+        I.e. upgrade from debezium 1.0.0 to 1.0.3 resulted in confirmed_flush_lsn
+        not updating in insert-heavy load.
+        */
+        try {
+            ContainerExecResult res = debeziumPostgresqlContainer.execCmd("/bin/bash", "-c",
+                    "psql -h 127.0.0.1 -U postgres -d postgres -c \"select confirmed_flush_lsn from pg_replication_slots;\"");
+            res.assertNoStderr();
+            String lastConfirmedFlushLsn = res.getStdout();
+            log.info("Current confirmedFlushLsn: \n{} \nLast confirmedFlushLsn: \n{}",
+                    confirmedFlushLsn.get(), lastConfirmedFlushLsn);
+            org.junit.Assert.assertNotEquals(confirmedFlushLsn.get(), lastConfirmedFlushLsn);
+            confirmedFlushLsn.set(lastConfirmedFlushLsn);
+        } catch (Exception e) {
+            Assert.fail("failed to get flush lsn", e);
+        }
     }
 
     @Override
@@ -117,7 +159,7 @@ public Map<String, String> produceSourceMessages(int numMessages) {
     @Override
     public void close() {
         if (pulsarCluster != null) {
-            pulsarCluster.stopService(DebeziumPostgreSqlContainer.NAME, debeziumPostgresqlContainer);
+            PulsarCluster.stopService(DebeziumPostgreSqlContainer.NAME, debeziumPostgresqlContainer);
         }
     }
 

tests/integration/src/test/java/org/apache/pulsar/tests/integration/io/sources/debezium/PulsarDebeziumSourcesTest.java

@@ -38,7 +38,7 @@
 @Slf4j
 public class PulsarDebeziumSourcesTest extends PulsarIOTestBase {
 
-	protected final AtomicInteger testId = new AtomicInteger(0);
+    protected final AtomicInteger testId = new AtomicInteger(0);
 
     @Test(groups = "source")
     public void testDebeziumMySqlSourceJson() throws Exception {
@@ -104,21 +104,20 @@ private void testDebeziumMySqlConnect(String converterClassName, boolean jsonWit
         sourceTester.setServiceContainer(mySQLContainer);
 
         PulsarIODebeziumSourceRunner runner = new PulsarIODebeziumSourceRunner(pulsarCluster, functionRuntimeType.toString(),
-        		converterClassName, tenant, namespace, sourceName, outputTopicName, numMessages, jsonWithEnvelope,
-        		consumeTopicName, client);
+                converterClassName, tenant, namespace, sourceName, outputTopicName, numMessages, jsonWithEnvelope,
+                consumeTopicName, client);
 
         runner.testSource(sourceTester);
     }
 
-	private void testDebeziumPostgreSqlConnect(String converterClassName, boolean jsonWithEnvelope) throws Exception {
+    private void testDebeziumPostgreSqlConnect(String converterClassName, boolean jsonWithEnvelope) throws Exception {
 
         final String tenant = TopicName.PUBLIC_TENANT;
         final String namespace = TopicName.DEFAULT_NAMESPACE;
         final String outputTopicName = "debe-output-topic-name-" + testId.getAndIncrement();
         final String consumeTopicName = "debezium/postgresql/dbserver1.inventory.products";
         final String sourceName = "test-source-debezium-postgersql-" + functionRuntimeType + "-" + randomName(8);
 
-
         // This is the binlog count that contained in postgresql container.
         final int numMessages = 26;
 
@@ -143,13 +142,13 @@ private void testDebeziumPostgreSqlConnect(String converterClassName, boolean js
         sourceTester.setServiceContainer(postgreSqlContainer);
 
         PulsarIODebeziumSourceRunner runner = new PulsarIODebeziumSourceRunner(pulsarCluster, functionRuntimeType.toString(),
-        		converterClassName, tenant, namespace, sourceName, outputTopicName, numMessages, jsonWithEnvelope,
-        		consumeTopicName, client);
+                converterClassName, tenant, namespace, sourceName, outputTopicName, numMessages, jsonWithEnvelope,
+                consumeTopicName, client);
 
         runner.testSource(sourceTester);
     }
 
-	private void testDebeziumMongoDbConnect(String converterClassName, boolean jsonWithEnvelope) throws Exception {
+    private void testDebeziumMongoDbConnect(String converterClassName, boolean jsonWithEnvelope) throws Exception {
 
         final String tenant = TopicName.PUBLIC_TENANT;
         final String namespace = TopicName.DEFAULT_NAMESPACE;
@@ -182,8 +181,8 @@ private void testDebeziumMongoDbConnect(String converterClassName, boolean jsonW
         sourceTester.setServiceContainer(mongoDbContainer);
 
         PulsarIODebeziumSourceRunner runner = new PulsarIODebeziumSourceRunner(pulsarCluster, functionRuntimeType.toString(),
-        		converterClassName, tenant, namespace, sourceName, outputTopicName, numMessages, jsonWithEnvelope,
-        		consumeTopicName, client);
+                converterClassName, tenant, namespace, sourceName, outputTopicName, numMessages, jsonWithEnvelope,
+                consumeTopicName, client);
 
         runner.testSource(sourceTester);
     }