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[fix] [auto-recovery] Fix pulsar ledger auditor dead lock problem. (a…
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pulsar-metadata/src/test/java/org/apache/bookkeeper/replication/AutoRecoveryMainTest.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. | ||
| */ | ||
| package org.apache.bookkeeper.replication; | ||
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| import static org.testng.AssertJUnit.assertEquals; | ||
| import static org.testng.AssertJUnit.assertFalse; | ||
| import static org.testng.AssertJUnit.assertNotNull; | ||
| import static org.testng.AssertJUnit.assertTrue; | ||
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| import java.io.IOException; | ||
| import java.lang.reflect.Field; | ||
| import java.util.concurrent.TimeUnit; | ||
| import org.apache.bookkeeper.bookie.BookieImpl; | ||
| import org.apache.bookkeeper.net.BookieId; | ||
| import org.apache.bookkeeper.test.BookKeeperClusterTestCase; | ||
| import org.apache.bookkeeper.util.TestUtils; | ||
| import org.apache.pulsar.metadata.bookkeeper.PulsarLedgerManagerFactory; | ||
| import org.apache.pulsar.metadata.bookkeeper.PulsarMetadataClientDriver; | ||
| import org.apache.pulsar.metadata.impl.ZKMetadataStore; | ||
| import org.apache.zookeeper.ZooKeeper; | ||
| import org.awaitility.Awaitility; | ||
| import org.testng.annotations.BeforeMethod; | ||
| import org.testng.annotations.Test; | ||
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| /** | ||
| * Test the AuditorPeer. | ||
| */ | ||
| public class AutoRecoveryMainTest extends BookKeeperClusterTestCase { | ||
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| public AutoRecoveryMainTest() throws Exception { | ||
| super(3); | ||
| Class.forName("org.apache.pulsar.metadata.bookkeeper.PulsarMetadataClientDriver"); | ||
| Class.forName("org.apache.pulsar.metadata.bookkeeper.PulsarMetadataBookieDriver"); | ||
| } | ||
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| @BeforeMethod | ||
| @Override | ||
| public void setUp() throws Exception { | ||
| super.setUp(); | ||
| } | ||
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| /** | ||
| * Test that, if an autorecovery looses its ZK connection/session it will | ||
| * shutdown. | ||
| */ | ||
| @Test | ||
| public void testAutoRecoverySessionLoss() throws Exception { | ||
| confByIndex(0).setMetadataServiceUri( | ||
| zkUtil.getMetadataServiceUri().replaceAll("zk://", "metadata-store:").replaceAll("/ledgers", "")); | ||
| confByIndex(1).setMetadataServiceUri( | ||
| zkUtil.getMetadataServiceUri().replaceAll("zk://", "metadata-store:").replaceAll("/ledgers", "")); | ||
| confByIndex(2).setMetadataServiceUri( | ||
| zkUtil.getMetadataServiceUri().replaceAll("zk://", "metadata-store:").replaceAll("/ledgers", "")); | ||
| /* | ||
| * initialize three AutoRecovery instances. | ||
| */ | ||
| AutoRecoveryMain main1 = new AutoRecoveryMain(confByIndex(0)); | ||
| AutoRecoveryMain main2 = new AutoRecoveryMain(confByIndex(1)); | ||
| AutoRecoveryMain main3 = new AutoRecoveryMain(confByIndex(2)); | ||
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| /* | ||
| * start main1, make sure all the components are started and main1 is | ||
| * the current Auditor | ||
| */ | ||
| PulsarMetadataClientDriver pulsarMetadataClientDriver1 = startAutoRecoveryMain(main1); | ||
| ZooKeeper zk1 = getZk(pulsarMetadataClientDriver1); | ||
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| // Wait until auditor gets elected | ||
| for (int i = 0; i < 10; i++) { | ||
| try { | ||
| if (main1.auditorElector.getCurrentAuditor() != null) { | ||
| break; | ||
| } else { | ||
| Thread.sleep(1000); | ||
| } | ||
| } catch (IOException e) { | ||
| Thread.sleep(1000); | ||
| } | ||
| } | ||
| BookieId currentAuditor = main1.auditorElector.getCurrentAuditor(); | ||
| assertNotNull(currentAuditor); | ||
| Auditor auditor1 = main1.auditorElector.getAuditor(); | ||
| assertEquals("Current Auditor should be AR1", currentAuditor, BookieImpl.getBookieId(confByIndex(0))); | ||
| Awaitility.waitAtMost(30, TimeUnit.SECONDS).untilAsserted(() -> { | ||
| assertNotNull(auditor1); | ||
| assertTrue("Auditor of AR1 should be running", auditor1.isRunning()); | ||
| }); | ||
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| /* | ||
| * start main2 and main3 | ||
| */ | ||
| PulsarMetadataClientDriver pulsarMetadataClientDriver2 = startAutoRecoveryMain(main2); | ||
| ZooKeeper zk2 = getZk(pulsarMetadataClientDriver2); | ||
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| PulsarMetadataClientDriver pulsarMetadataClientDriver3 = startAutoRecoveryMain(main3); | ||
| ZooKeeper zk3 = getZk(pulsarMetadataClientDriver3); | ||
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| /* | ||
| * make sure AR1 is still the current Auditor and AR2's and AR3's | ||
| * auditors are not running. | ||
| */ | ||
| assertEquals("Current Auditor should still be AR1", currentAuditor, BookieImpl.getBookieId(confByIndex(0))); | ||
| Awaitility.await().untilAsserted(() -> { | ||
| assertTrue("AR2's Auditor should not be running", (main2.auditorElector.getAuditor() == null | ||
| || !main2.auditorElector.getAuditor().isRunning())); | ||
| assertTrue("AR3's Auditor should not be running", (main3.auditorElector.getAuditor() == null | ||
| || !main3.auditorElector.getAuditor().isRunning())); | ||
| }); | ||
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| /* | ||
| * expire zk2 and zk1 sessions. | ||
| */ | ||
| zkUtil.expireSession(zk2); | ||
| zkUtil.expireSession(zk1); | ||
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| /* | ||
| * wait for some time for all the components of AR1 and AR2 are | ||
| * shutdown. | ||
| */ | ||
| for (int i = 0; i < 10; i++) { | ||
| if (!main1.auditorElector.isRunning() && !main1.replicationWorker.isRunning() | ||
| && !main1.isAutoRecoveryRunning() && !main2.auditorElector.isRunning() | ||
| && !main2.replicationWorker.isRunning() && !main2.isAutoRecoveryRunning()) { | ||
| break; | ||
| } | ||
| Thread.sleep(1000); | ||
| } | ||
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| /* | ||
| * the AR3 should be current auditor. | ||
| */ | ||
| currentAuditor = main3.auditorElector.getCurrentAuditor(); | ||
| assertEquals("Current Auditor should be AR3", currentAuditor, BookieImpl.getBookieId(confByIndex(2))); | ||
| Awaitility.await().untilAsserted(() -> { | ||
| assertNotNull(main3.auditorElector.getAuditor()); | ||
| assertTrue("Auditor of AR3 should be running", main3.auditorElector.getAuditor().isRunning()); | ||
| }); | ||
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| Awaitility.waitAtMost(100, TimeUnit.SECONDS).untilAsserted(() -> { | ||
| /* | ||
| * since AR3 is current auditor, AR1's auditor should not be running | ||
| * anymore. | ||
| */ | ||
| assertFalse("AR1's auditor should not be running", auditor1.isRunning()); | ||
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| /* | ||
| * components of AR2 and AR3 should not be running since zk1 and zk2 | ||
| * sessions are expired. | ||
| */ | ||
| assertFalse("Elector1 should have shutdown", main1.auditorElector.isRunning()); | ||
| assertFalse("RW1 should have shutdown", main1.replicationWorker.isRunning()); | ||
| assertFalse("AR1 should have shutdown", main1.isAutoRecoveryRunning()); | ||
| assertFalse("Elector2 should have shutdown", main2.auditorElector.isRunning()); | ||
| assertFalse("RW2 should have shutdown", main2.replicationWorker.isRunning()); | ||
| assertFalse("AR2 should have shutdown", main2.isAutoRecoveryRunning()); | ||
| }); | ||
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| } | ||
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| /* | ||
| * start autoRecoveryMain and make sure all its components are running and | ||
| * myVote node is existing | ||
| */ | ||
| PulsarMetadataClientDriver startAutoRecoveryMain(AutoRecoveryMain autoRecoveryMain) throws Exception { | ||
| autoRecoveryMain.start(); | ||
| PulsarMetadataClientDriver pulsarMetadataClientDriver = (PulsarMetadataClientDriver) autoRecoveryMain.bkc | ||
| .getMetadataClientDriver(); | ||
| TestUtils.assertEventuallyTrue("autoRecoveryMain components should be running", | ||
| () -> autoRecoveryMain.auditorElector.isRunning() | ||
| && autoRecoveryMain.replicationWorker.isRunning() && autoRecoveryMain.isAutoRecoveryRunning()); | ||
| return pulsarMetadataClientDriver; | ||
| } | ||
|
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| private ZooKeeper getZk(PulsarMetadataClientDriver pulsarMetadataClientDriver) throws Exception { | ||
| PulsarLedgerManagerFactory pulsarLedgerManagerFactory = | ||
| (PulsarLedgerManagerFactory) pulsarMetadataClientDriver.getLedgerManagerFactory(); | ||
| Field field = pulsarLedgerManagerFactory.getClass().getDeclaredField("store"); | ||
| field.setAccessible(true); | ||
| ZKMetadataStore zkMetadataStore = (ZKMetadataStore) field.get(pulsarLedgerManagerFactory); | ||
| return zkMetadataStore.getZkClient(); | ||
| } | ||
| } |