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PluggableQuorumSinglePairTest.java
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PluggableQuorumSinglePairTest.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.activemq.artemis.tests.smoke.quorum;
import javax.management.remote.JMXServiceURL;
import java.net.MalformedURLException;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.api.config.ActiveMQDefaultConfiguration;
import org.apache.activemq.artemis.api.core.management.ObjectNameBuilder;
import org.apache.activemq.artemis.tests.smoke.common.SmokeTestBase;
import org.apache.activemq.artemis.tests.util.Jmx;
import org.apache.activemq.artemis.util.ServerUtil;
import org.apache.activemq.artemis.utils.Wait;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.invoke.MethodHandles;
import static org.apache.activemq.artemis.tests.util.Jmx.backupOf;
import static org.apache.activemq.artemis.tests.util.Jmx.containsExactNodeIds;
import static org.apache.activemq.artemis.tests.util.Jmx.decodeNetworkTopologyJson;
import static org.apache.activemq.artemis.tests.util.Jmx.liveOf;
import static org.apache.activemq.artemis.tests.util.Jmx.validateNetworkTopology;
import static org.apache.activemq.artemis.tests.util.Jmx.withBackup;
import static org.apache.activemq.artemis.tests.util.Jmx.withLive;
import static org.apache.activemq.artemis.tests.util.Jmx.withMembers;
import static org.apache.activemq.artemis.tests.util.Jmx.withNodes;
@RunWith(Parameterized.class)
public abstract class PluggableQuorumSinglePairTest extends SmokeTestBase {
private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
static final String JMX_SERVER_HOSTNAME = "localhost";
static final int JMX_PORT_PRIMARY = 10099;
static final int JMX_PORT_BACKUP = 10199;
static final String PRIMARY_DATA_FOLDER = "ReplicationPrimary";
static final String BACKUP_DATA_FOLDER = "ReplicationBackup";
static final int PRIMARY_PORT_OFFSET = 0;
static final int BACKUP_PORT_OFFSET = PRIMARY_PORT_OFFSET + 100;
public static class BrokerControl {
final String name;
final ObjectNameBuilder objectNameBuilder;
final String dataFolder;
final JMXServiceURL jmxServiceURL;
final int portID;
BrokerControl(final String name, int jmxPort, String dataFolder, int portID) {
this.portID = portID;
this.dataFolder = dataFolder;
try {
jmxServiceURL = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://" + JMX_SERVER_HOSTNAME + ":" + jmxPort + "/jmxrmi");
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
this.objectNameBuilder = ObjectNameBuilder.create(ActiveMQDefaultConfiguration.getDefaultJmxDomain(), name, true);
this.name = name;
}
public Process startServer(SmokeTestBase env, int millisTimeout) throws Exception {
return env.startServer(dataFolder, portID, millisTimeout);
}
public void cleanupData() {
SmokeTestBase.cleanupData(dataFolder);
}
public Optional<Boolean> isReplicaSync() throws Exception {
return Jmx.isReplicaSync(jmxServiceURL, objectNameBuilder);
}
public Optional<Boolean> isBackup() throws Exception {
return Jmx.isBackup(jmxServiceURL, objectNameBuilder);
}
public Optional<String> getNodeID() throws Exception {
return Jmx.getNodeID(jmxServiceURL, objectNameBuilder);
}
public Optional<String> listNetworkTopology() throws Exception {
return Jmx.listNetworkTopology(jmxServiceURL, objectNameBuilder);
}
public Optional<Long> getActivationSequence() throws Exception {
return Jmx.getActivationSequence(jmxServiceURL, objectNameBuilder);
}
public Optional<Boolean> isActive() throws Exception {
return Jmx.isActive(jmxServiceURL, objectNameBuilder);
}
}
@Parameterized.Parameter
public boolean forceKill;
@Parameterized.Parameters(name = "forceKill={0}")
public static Iterable<Object[]> getParams() {
return Arrays.asList(new Object[][]{{false}, {true}});
}
protected BrokerControl primary;
protected BrokerControl backup;
protected List<BrokerControl> brokers;
public PluggableQuorumSinglePairTest(String brokerFolderPrefix) {
primary = new BrokerControl("primary", JMX_PORT_PRIMARY, brokerFolderPrefix + PRIMARY_DATA_FOLDER, PRIMARY_PORT_OFFSET);
backup = new BrokerControl("backup", JMX_PORT_BACKUP, brokerFolderPrefix + BACKUP_DATA_FOLDER, BACKUP_PORT_OFFSET);
brokers = Arrays.asList(primary, backup);
}
protected abstract boolean awaitAsyncSetupCompleted(long timeout, TimeUnit unit) throws InterruptedException;
protected abstract int[] stopMajority() throws Exception;
protected abstract void restart(int[] nodes) throws Exception;
@Before
public void setup() throws Exception {
brokers.forEach(BrokerControl::cleanupData);
}
@Override
@After
public void after() throws Exception {
super.after();
}
@Test
public void testCanQueryEmptyBackup() throws Exception {
final int timeout = (int) TimeUnit.SECONDS.toMillis(30);
logger.info("starting primary");
Process live = primary.startServer(this, timeout);
Assert.assertTrue(awaitAsyncSetupCompleted(timeout, TimeUnit.MILLISECONDS));
Wait.assertTrue(() -> !primary.isBackup().orElse(true), timeout);
logger.info("killing primary");
ServerUtil.killServer(live, forceKill);
logger.info("starting backup");
backup.startServer(this, 0);
Wait.assertTrue(() -> backup.isBackup().orElse(false), timeout);
logger.info("Stopping majority of consensus nodes");
final int[] stopped = stopMajority();
logger.info("Waiting until isolated");
Thread.sleep(2000);
logger.info("Restarting majority of consensus nodes");
restart(stopped);
Wait.assertTrue(() -> backup.isBackup().orElse(false), timeout);
}
@Test
public void testBackupFailoverAndPrimaryFailback() throws Exception {
final int timeout = (int) TimeUnit.SECONDS.toMillis(30);
logger.info("starting primary");
Process primaryInstance = primary.startServer(this, timeout);
Assert.assertTrue(awaitAsyncSetupCompleted(timeout, TimeUnit.MILLISECONDS));
// primary UN REPLICATED
Assert.assertEquals(1L, primary.getActivationSequence().get().longValue());
logger.info("started primary");
logger.info("starting backup");
Process backupInstance = backup.startServer(this, 0);
Wait.assertTrue(() -> backup.isBackup().orElse(false), timeout);
final String nodeID = primary.getNodeID().get();
Assert.assertNotNull(nodeID);
logger.info("NodeID: {}", nodeID);
for (BrokerControl broker : brokers) {
Wait.assertTrue(() -> validateNetworkTopology(broker.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, Objects::nonNull))
.and(withBackup(nodeID, Objects::nonNull))
.and(withMembers(1))
.and(withNodes(2))), timeout);
}
logger.info("primary topology is: {}", primary.listNetworkTopology().get());
logger.info("backup topology is: {}", backup.listNetworkTopology().get());
Assert.assertTrue(backup.isReplicaSync().get());
logger.info("backup is synchronized with live");
final String urlBackup = backupOf(nodeID, decodeNetworkTopologyJson(backup.listNetworkTopology().get()));
Assert.assertNotNull(urlBackup);
logger.info("backup: {}", urlBackup);
final String urlPrimary = liveOf(nodeID, decodeNetworkTopologyJson(primary.listNetworkTopology().get()));
Assert.assertNotNull(urlPrimary);
logger.info("primary: {}", urlPrimary);
Assert.assertNotEquals(urlPrimary, urlBackup);
// primary REPLICATED, backup matches (has replicated) activation sequence
Assert.assertEquals(1L, primary.getActivationSequence().get().longValue());
Assert.assertEquals(1L, backup.getActivationSequence().get().longValue());
logger.info("killing primary");
ServerUtil.killServer(primaryInstance, forceKill);
logger.info("killed primary");
Wait.assertTrue(() -> !backup.isBackup().orElse(true), timeout);
Wait.assertTrue(() -> validateNetworkTopology(backup.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, urlBackup::equals))
.and(withBackup(nodeID, Objects::isNull))
.and(withMembers(1))
.and(withNodes(1))), timeout);
logger.info("backup topology is: {}", backup.listNetworkTopology().get());
Assert.assertEquals(nodeID, backup.getNodeID().get());
// backup UN REPLICATED (new version)
Assert.assertEquals(2L, backup.getActivationSequence().get().longValue());
// wait a bit before restarting primary
logger.info("waiting before starting primary");
TimeUnit.SECONDS.sleep(4);
logger.info("starting primary");
primaryInstance = primary.startServer(this, 0);
logger.info("started primary");
Wait.assertTrue(() -> backup.isBackup().orElse(false), timeout);
Assert.assertTrue(!primary.isBackup().get());
for (BrokerControl broker : brokers) {
Wait.assertTrue(() -> validateNetworkTopology(broker.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, urlPrimary::equals))
.and(withBackup(nodeID, urlBackup::equals))
.and(withMembers(1))
.and(withNodes(2))), timeout);
}
logger.info("primary topology is: {}", primary.listNetworkTopology().get());
logger.info("backup topology is: {}", backup.listNetworkTopology().get());
Assert.assertTrue(backup.isReplicaSync().get());
logger.info("backup is synchronized with live");
Assert.assertEquals(nodeID, primary.getNodeID().get());
// primary ran un replicated for a short while after failback, before backup was in sync
Assert.assertEquals(3L, primary.getActivationSequence().get().longValue());
Assert.assertEquals(3L, backup.getActivationSequence().get().longValue());
logger.info("Done, killing both");
ServerUtil.killServer(primaryInstance);
ServerUtil.killServer(backupInstance);
}
@Test
public void testLivePrimarySuicideOnLostQuorum() throws Exception {
final int timeout = (int) TimeUnit.SECONDS.toMillis(30);
Process primaryInstance = primary.startServer(this, timeout);
Assert.assertTrue(awaitAsyncSetupCompleted(timeout, TimeUnit.MILLISECONDS));
Wait.assertTrue(() -> !primary.isBackup().orElse(true), timeout);
final String nodeID = primary.getNodeID().get();
Wait.assertTrue(() -> validateNetworkTopology(primary.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, Objects::nonNull))
.and(withBackup(nodeID, Objects::isNull))
.and(withMembers(1))
.and(withNodes(1))), timeout);
final String urlLive = liveOf(nodeID, decodeNetworkTopologyJson(primary.listNetworkTopology().get()));
Assert.assertTrue(validateNetworkTopology(primary.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, urlLive::equals))
.and(withBackup(nodeID, Objects::isNull))
.and(withMembers(1))
.and(withNodes(1))));
stopMajority();
Wait.waitFor(()-> !primaryInstance.isAlive(), timeout);
}
@Test
public void testLiveBackupSuicideOnLostQuorum() throws Exception {
final int timeout = (int) TimeUnit.SECONDS.toMillis(30);
Process primaryInstance = primary.startServer(this, timeout);
Assert.assertTrue(awaitAsyncSetupCompleted(timeout, TimeUnit.MILLISECONDS));
Wait.assertTrue(() -> !primary.isBackup().orElse(true), timeout);
Process backupInstance = backup.startServer(this, 0);
Wait.assertTrue(() -> backup.isBackup().orElse(false), timeout);
final String nodeID = primary.getNodeID().get();
Assert.assertNotNull(nodeID);
for (BrokerControl broker : brokers) {
Wait.assertTrue(() -> validateNetworkTopology(broker.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, Objects::nonNull))
.and(withBackup(nodeID, Objects::nonNull))
.and(withMembers(1))
.and(withNodes(2))), timeout);
}
Assert.assertTrue(backup.isReplicaSync().get());
final String urlBackup = backupOf(nodeID, decodeNetworkTopologyJson(backup.listNetworkTopology().get()));
Assert.assertNotNull(urlBackup);
final String urlPrimary = liveOf(nodeID, decodeNetworkTopologyJson(primary.listNetworkTopology().get()));
Assert.assertNotNull(urlPrimary);
Assert.assertNotEquals(urlPrimary, urlBackup);
ServerUtil.killServer(primaryInstance, forceKill);
Wait.assertTrue(() -> !backup.isBackup().orElse(true), timeout);
Wait.assertTrue(() -> validateNetworkTopology(backup.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, urlBackup::equals))
.and(withBackup(nodeID, Objects::isNull))
.and(withMembers(1))
.and(withNodes(1))), timeout);
Assert.assertEquals(nodeID, backup.getNodeID().get());
stopMajority();
Wait.waitFor(()-> !backupInstance.isAlive(), timeout);
}
@Test
public void testOnlyLastUnreplicatedCanStart() throws Exception {
final int timeout = (int) TimeUnit.SECONDS.toMillis(30);
logger.info("starting primary");
Process primaryInstance = primary.startServer(this, timeout);
Assert.assertTrue(awaitAsyncSetupCompleted(timeout, TimeUnit.MILLISECONDS));
Wait.assertTrue(() -> !primary.isBackup().orElse(true), timeout);
logger.info("started primary");
logger.info("starting backup");
Process backupInstance = backup.startServer(this, 0);
Wait.assertTrue(() -> backup.isBackup().orElse(false), timeout);
final String nodeID = primary.getNodeID().get();
Assert.assertNotNull(nodeID);
logger.info("NodeID: {}", nodeID);
for (BrokerControl broker : brokers) {
Wait.assertTrue(() -> validateNetworkTopology(broker.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, Objects::nonNull))
.and(withBackup(nodeID, Objects::nonNull))
.and(withMembers(1))
.and(withNodes(2))), timeout);
}
logger.info("primary topology is: {}", primary.listNetworkTopology().get());
logger.info("backup topology is: {}", backup.listNetworkTopology().get());
Assert.assertTrue(backup.isReplicaSync().get());
logger.info("backup is synchronized with live");
final String urlBackup = backupOf(nodeID, decodeNetworkTopologyJson(backup.listNetworkTopology().get()));
Assert.assertNotNull(urlBackup);
logger.info("backup: {}", urlBackup);
final String urlPrimary = liveOf(nodeID, decodeNetworkTopologyJson(primary.listNetworkTopology().get()));
Assert.assertNotNull(urlPrimary);
logger.info("primary: {}", urlPrimary);
Assert.assertNotEquals(urlPrimary, urlBackup);
// verify sequence id's in sync
Assert.assertEquals(1L, primary.getActivationSequence().get().longValue());
Assert.assertEquals(1L, backup.getActivationSequence().get().longValue());
logger.info("killing primary");
ServerUtil.killServer(primaryInstance, forceKill);
logger.info("killed primary");
Wait.assertTrue(() -> !backup.isBackup().orElse(true), timeout);
Wait.assertTrue(() -> validateNetworkTopology(backup.listNetworkTopology().orElse(""),
containsExactNodeIds(nodeID)
.and(withLive(nodeID, urlBackup::equals))
.and(withBackup(nodeID, Objects::isNull))
.and(withMembers(1))
.and(withNodes(1))), timeout);
logger.info("backup topology is: {}", backup.listNetworkTopology().get());
Assert.assertEquals(nodeID, backup.getNodeID().get());
// backup now UNREPLICATED, it is the only node that can continue
Assert.assertEquals(2L, backup.getActivationSequence().get().longValue());
logger.info("killing backup");
ServerUtil.killServer(backupInstance, forceKill);
// wait a bit before restarting primary
logger.info("waiting before starting primary");
TimeUnit.SECONDS.sleep(4);
logger.info("restarting primary");
Process restartedPrimary = primary.startServer(this, 0);
logger.info("restarted primary, {}", restartedPrimary);
Wait.assertFalse("Primary shouldn't activate", () -> primary.isActive().orElse(false), 5000);
ServerUtil.killServer(restartedPrimary);
logger.info("restarting backup");
// backup can resume with data seq 3
final Process restartedBackupInstance = backup.startServer(this, 5000);
Wait.waitFor(() -> backup.isActive().orElse(false), 5000);
assertTrue(Wait.waitFor(() -> nodeID.equals(backup.getNodeID().orElse("not set yet"))));
logger.info("restarted backup");
Assert.assertEquals(3L, backup.getActivationSequence().get().longValue());
}
}