forked from apache/pulsar
/
ReplicatorTest.java
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/
ReplicatorTest.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.pulsar.broker.service;
import static org.apache.pulsar.broker.auth.MockedPulsarServiceBaseTest.retryStrategically;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.spy;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertNull;
import static org.testng.Assert.assertNotEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import com.google.common.collect.Sets;
import com.scurrilous.circe.checksum.Crc32cIntChecksum;
import io.netty.buffer.ByteBuf;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Optional;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import lombok.Cleanup;
import org.apache.bookkeeper.mledger.AsyncCallbacks.DeleteCursorCallback;
import org.apache.bookkeeper.mledger.Entry;
import org.apache.bookkeeper.mledger.ManagedCursor;
import org.apache.bookkeeper.mledger.ManagedLedgerException;
import org.apache.bookkeeper.mledger.ManagedLedgerException.CursorAlreadyClosedException;
import org.apache.bookkeeper.mledger.impl.ManagedLedgerFactoryImpl;
import org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl;
import org.apache.pulsar.broker.BrokerTestUtil;
import org.apache.pulsar.broker.service.BrokerServiceException.NamingException;
import org.apache.pulsar.broker.service.persistent.PersistentReplicator;
import org.apache.pulsar.broker.service.persistent.PersistentTopic;
import org.apache.pulsar.client.api.Consumer;
import org.apache.pulsar.client.api.Message;
import org.apache.pulsar.client.api.MessageRoutingMode;
import org.apache.pulsar.client.api.Producer;
import org.apache.pulsar.client.api.PulsarClient;
import org.apache.pulsar.client.api.RawMessage;
import org.apache.pulsar.client.api.RawReader;
import org.apache.pulsar.client.api.Schema;
import org.apache.pulsar.client.api.SubscriptionType;
import org.apache.pulsar.client.api.TypedMessageBuilder;
import org.apache.pulsar.client.impl.ProducerImpl;
import org.apache.pulsar.client.impl.PulsarClientImpl;
import org.apache.pulsar.client.impl.conf.ProducerConfigurationData;
import org.apache.pulsar.common.naming.TopicName;
import org.apache.pulsar.common.policies.data.BacklogQuota;
import org.apache.pulsar.common.policies.data.BacklogQuota.RetentionPolicy;
import org.apache.pulsar.common.policies.data.ClusterData;
import org.apache.pulsar.common.policies.data.ClusterDataImpl;
import org.apache.pulsar.common.policies.data.ReplicatorStats;
import org.apache.pulsar.common.protocol.Commands;
import org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap;
import org.awaitility.Awaitility;
import org.mockito.Mockito;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import org.testng.collections.Lists;
/**
* Starts 3 brokers that are in 3 different clusters
*/
@Test(groups = "quarantine")
public class ReplicatorTest extends ReplicatorTestBase {
protected String methodName;
@BeforeMethod(alwaysRun = true)
public void beforeMethod(Method m) throws Exception {
methodName = m.getName();
admin1.namespaces().removeBacklogQuota("pulsar/ns");
admin1.namespaces().removeBacklogQuota("pulsar/ns1");
admin1.namespaces().removeBacklogQuota("pulsar/global/ns");
}
@Override
@BeforeClass(alwaysRun = true, timeOut = 300000)
public void setup() throws Exception {
super.setup();
}
@Override
@AfterClass(alwaysRun = true, timeOut = 300000)
public void cleanup() throws Exception {
super.cleanup();
}
@DataProvider(name = "partitionedTopic")
public Object[][] partitionedTopicProvider() {
return new Object[][] { { Boolean.TRUE }, { Boolean.FALSE } };
}
@Test
public void testConfigChange() throws Exception {
log.info("--- Starting ReplicatorTest::testConfigChange ---");
// This test is to verify that the config change on global namespace is successfully applied in broker during
// runtime.
// Run a set of producer tasks to create the topics
List<Future<Void>> results = Lists.newArrayList();
for (int i = 0; i < 10; i++) {
final TopicName dest = TopicName.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns/topic-" + i));
results.add(executor.submit(new Callable<Void>() {
@Override
public Void call() throws Exception {
@Cleanup
MessageProducer producer = new MessageProducer(url1, dest);
log.info("--- Starting producer --- " + url1);
@Cleanup
MessageConsumer consumer = new MessageConsumer(url1, dest);
log.info("--- Starting Consumer --- " + url1);
producer.produce(2);
consumer.receive(2);
return null;
}
}));
}
for (Future<Void> result : results) {
try {
result.get();
} catch (Exception e) {
log.error("exception in getting future result ", e);
fail(String.format("replication test failed with %s exception", e.getMessage()));
}
}
Thread.sleep(1000L);
// Make sure that the internal replicators map contains remote cluster info
ConcurrentOpenHashMap<String, PulsarClient> replicationClients1 = ns1.getReplicationClients();
ConcurrentOpenHashMap<String, PulsarClient> replicationClients2 = ns2.getReplicationClients();
ConcurrentOpenHashMap<String, PulsarClient> replicationClients3 = ns3.getReplicationClients();
Assert.assertNotNull(replicationClients1.get("r2"));
Assert.assertNotNull(replicationClients1.get("r3"));
Assert.assertNotNull(replicationClients2.get("r1"));
Assert.assertNotNull(replicationClients2.get("r3"));
Assert.assertNotNull(replicationClients3.get("r1"));
Assert.assertNotNull(replicationClients3.get("r2"));
// Case 1: Update the global namespace replication configuration to only contains the local cluster itself
admin1.namespaces().setNamespaceReplicationClusters("pulsar/ns", Sets.newHashSet("r1"));
// Wait for config changes to be updated.
Thread.sleep(1000L);
// Make sure that the internal replicators map still contains remote cluster info
Assert.assertNotNull(replicationClients1.get("r2"));
Assert.assertNotNull(replicationClients1.get("r3"));
Assert.assertNotNull(replicationClients2.get("r1"));
Assert.assertNotNull(replicationClients2.get("r3"));
Assert.assertNotNull(replicationClients3.get("r1"));
Assert.assertNotNull(replicationClients3.get("r2"));
// Case 2: Update the configuration back
admin1.namespaces().setNamespaceReplicationClusters("pulsar/ns", Sets.newHashSet("r1", "r2", "r3"));
// Wait for config changes to be updated.
Thread.sleep(1000L);
// Make sure that the internal replicators map still contains remote cluster info
Assert.assertNotNull(replicationClients1.get("r2"));
Assert.assertNotNull(replicationClients1.get("r3"));
Assert.assertNotNull(replicationClients2.get("r1"));
Assert.assertNotNull(replicationClients2.get("r3"));
Assert.assertNotNull(replicationClients3.get("r1"));
Assert.assertNotNull(replicationClients3.get("r2"));
// Case 3: TODO: Once automatic cleanup is implemented, add tests case to verify auto removal of clusters
}
@Test(timeOut = 10000)
public void activeBrokerParse() throws Exception {
pulsar1.getConfiguration().setAuthorizationEnabled(true);
//init clusterData
String cluster2ServiceUrls = String.format("%s,localhost:1234,localhost:5678", pulsar2.getWebServiceAddress());
ClusterData cluster2Data = ClusterData.builder().serviceUrl(cluster2ServiceUrls).build();
String cluster2 = "activeCLuster2";
admin2.clusters().createCluster(cluster2, cluster2Data);
Awaitility.await().until(()
-> admin2.clusters().getCluster(cluster2) != null);
List<String> list = admin1.brokers().getActiveBrokers(cluster2);
assertEquals(list.get(0), url2.toString().replace("http://", ""));
//restore configuration
pulsar1.getConfiguration().setAuthorizationEnabled(false);
}
@SuppressWarnings("unchecked")
@Test(timeOut = 30000)
public void testConcurrentReplicator() throws Exception {
log.info("--- Starting ReplicatorTest::testConcurrentReplicator ---");
final String namespace = BrokerTestUtil.newUniqueName("pulsar/concurrent");
admin1.namespaces().createNamespace(namespace);
admin1.namespaces().setNamespaceReplicationClusters(namespace, Sets.newHashSet("r1", "r2"));
final TopicName topicName = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://" + namespace + "/topic"));
@Cleanup
PulsarClient client1 = PulsarClient.builder()
.serviceUrl(url1.toString()).statsInterval(0, TimeUnit.SECONDS)
.build();
Producer<byte[]> producer = client1.newProducer().topic(topicName.toString())
.enableBatching(false)
.messageRoutingMode(MessageRoutingMode.SinglePartition)
.create();
producer.close();
PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService()
.getOrCreateTopic(topicName.toString()).get();
PulsarClientImpl pulsarClient = spy((PulsarClientImpl) pulsar1.getBrokerService()
.getReplicationClient("r3"));
final Method startRepl = PersistentTopic.class.getDeclaredMethod("startReplicator", String.class);
startRepl.setAccessible(true);
Field replClientField = BrokerService.class.getDeclaredField("replicationClients");
replClientField.setAccessible(true);
ConcurrentOpenHashMap<String, PulsarClient> replicationClients =
(ConcurrentOpenHashMap<String, PulsarClient>) replClientField
.get(pulsar1.getBrokerService());
replicationClients.put("r3", pulsarClient);
admin1.namespaces().setNamespaceReplicationClusters(namespace, Sets.newHashSet("r1", "r2", "r3"));
@Cleanup("shutdownNow")
ExecutorService executor = Executors.newFixedThreadPool(5);
for (int i = 0; i < 5; i++) {
executor.submit(() -> {
try {
startRepl.invoke(topic, "r3");
} catch (Exception e) {
fail("setting replicator failed", e);
}
});
}
Thread.sleep(3000);
Mockito.verify(pulsarClient, Mockito.times(1))
.createProducerAsync(
Mockito.any(ProducerConfigurationData.class),
Mockito.any(Schema.class), eq(null));
}
@DataProvider(name = "namespace")
public Object[][] namespaceNameProvider() {
return new Object[][] { { "pulsar/ns" }, { "pulsar/global/ns" } };
}
@Test(dataProvider = "namespace")
public void testReplication(String namespace) throws Exception {
log.info("--- Starting ReplicatorTest::testReplication ---");
// This test is to verify that the config change on global namespace is successfully applied in broker during
// runtime.
// Run a set of producer tasks to create the topics
final TopicName dest = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://" + namespace + "/repltopic"));
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
log.info("--- Starting producer --- " + url1);
@Cleanup
MessageProducer producer2 = new MessageProducer(url2, dest);
log.info("--- Starting producer --- " + url2);
@Cleanup
MessageProducer producer3 = new MessageProducer(url3, dest);
log.info("--- Starting producer --- " + url3);
@Cleanup
MessageConsumer consumer1 = new MessageConsumer(url1, dest);
log.info("--- Starting Consumer --- " + url1);
@Cleanup
MessageConsumer consumer2 = new MessageConsumer(url2, dest);
log.info("--- Starting Consumer --- " + url2);
@Cleanup
MessageConsumer consumer3 = new MessageConsumer(url3, dest);
log.info("--- Starting Consumer --- " + url3);
// Produce from cluster1 and consume from the rest
producer1.produce(2);
consumer1.receive(2);
consumer2.receive(2);
consumer3.receive(2);
// Produce from cluster2 and consume from the rest
producer2.produce(2);
consumer1.receive(2);
consumer2.receive(2);
consumer3.receive(2);
// Produce from cluster3 and consume from the rest
producer3.produce(2);
consumer1.receive(2);
consumer2.receive(2);
consumer3.receive(2);
// Produce from cluster1&2 and consume from cluster3
producer1.produce(1);
producer2.produce(1);
consumer1.receive(1);
consumer2.receive(1);
consumer3.receive(1);
consumer1.receive(1);
consumer2.receive(1);
consumer3.receive(1);
}
@Test
public void testReplicationOverrides() throws Exception {
log.info("--- Starting ReplicatorTest::testReplicationOverrides ---");
// This test is to verify that the config change on global namespace is successfully applied in broker during
// runtime.
// Run a set of producer tasks to create the topics
for (int i = 0; i < 10; i++) {
final TopicName dest = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns/repltopic"));
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
log.info("--- Starting producer --- " + url1);
@Cleanup
MessageProducer producer2 = new MessageProducer(url2, dest);
log.info("--- Starting producer --- " + url2);
@Cleanup
MessageProducer producer3 = new MessageProducer(url3, dest);
log.info("--- Starting producer --- " + url3);
@Cleanup
MessageConsumer consumer1 = new MessageConsumer(url1, dest);
log.info("--- Starting Consumer --- " + url1);
@Cleanup
MessageConsumer consumer2 = new MessageConsumer(url2, dest);
log.info("--- Starting Consumer --- " + url2);
@Cleanup
MessageConsumer consumer3 = new MessageConsumer(url3, dest);
log.info("--- Starting Consumer --- " + url3);
// Produce a message that isn't replicated
producer1.produce(1, producer1.newMessage().disableReplication());
consumer1.receive(1);
assertTrue(consumer2.drained());
assertTrue(consumer3.drained());
// Produce a message not replicated to r2
producer1.produce(1, producer1.newMessage().replicationClusters(Lists.newArrayList("r1", "r3")));
consumer1.receive(1);
assertTrue(consumer2.drained());
consumer3.receive(1);
// Produce a default replicated message
producer1.produce(1);
consumer1.receive(1);
consumer2.receive(1);
consumer3.receive(1);
assertTrue(consumer1.drained());
assertTrue(consumer2.drained());
assertTrue(consumer3.drained());
}
}
@Test
public void testFailures() {
log.info("--- Starting ReplicatorTest::testFailures ---");
try {
// 1. Create a consumer using the reserved consumer id prefix "pulsar.repl."
final TopicName dest = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns/res-cons-id-"));
// Create another consumer using replication prefix as sub id
MessageConsumer consumer = new MessageConsumer(url2, dest, "pulsar.repl.");
consumer.close();
} catch (Exception e) {
// SUCCESS
}
}
@Test(timeOut = 30000)
public void testReplicatePeekAndSkip() throws Exception {
final TopicName dest = TopicName.get(
BrokerTestUtil.newUniqueName("persistent://pulsar/ns/peekAndSeekTopic"));
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
@Cleanup
MessageConsumer consumer1 = new MessageConsumer(url3, dest);
// Produce from cluster1 and consume from the rest
producer1.produce(2);
PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(dest.toString()).get();
PersistentReplicator replicator = (PersistentReplicator) topic.getReplicators()
.get(topic.getReplicators().keys().get(0));
replicator.skipMessages(2);
CompletableFuture<Entry> result = replicator.peekNthMessage(1);
Entry entry = result.get(50, TimeUnit.MILLISECONDS);
assertNull(entry);
}
@Test(timeOut = 30000)
public void testReplicatorClearBacklog() throws Exception {
// This test is to verify that reset cursor fails on global topic
SortedSet<String> testDests = new TreeSet<>();
final TopicName dest = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns/clearBacklogTopic"));
testDests.add(dest.toString());
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
@Cleanup
MessageConsumer consumer1 = new MessageConsumer(url3, dest);
// Produce from cluster1 and consume from the rest
producer1.produce(2);
PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(dest.toString()).get();
PersistentReplicator replicator = (PersistentReplicator) spy(
topic.getReplicators().get(topic.getReplicators().keys().get(0)));
replicator.readEntriesFailed(new ManagedLedgerException.InvalidCursorPositionException("failed"), null);
replicator.clearBacklog().get();
Thread.sleep(100);
replicator.updateRates(); // for code-coverage
replicator.expireMessages(1); // for code-coverage
ReplicatorStats status = replicator.getStats();
assertEquals(status.getReplicationBacklog(), 0);
}
@Test(timeOut = 30000)
public void testResetCursorNotFail() throws Exception {
log.info("--- Starting ReplicatorTest::testResetCursorNotFail ---");
// This test is to verify that reset cursor fails on global topic
final TopicName dest = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns/resetrepltopic"));
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
log.info("--- Starting producer --- " + url1);
@Cleanup
MessageConsumer consumer1 = new MessageConsumer(url1, dest);
log.info("--- Starting Consumer --- " + url1);
// Produce from cluster1 and consume from the rest
producer1.produce(2);
consumer1.receive(2);
admin1.topics().resetCursor(dest.toString(), "sub-id", System.currentTimeMillis());
}
@Test
public void testReplicationForBatchMessages() throws Exception {
log.info("--- Starting ReplicatorTest::testReplicationForBatchMessages ---");
// Run a set of producer tasks to create the topics
final TopicName dest = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns/repltopicbatch"));
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest, true);
log.info("--- Starting producer --- " + url1);
@Cleanup
MessageProducer producer2 = new MessageProducer(url2, dest, true);
log.info("--- Starting producer --- " + url2);
@Cleanup
MessageProducer producer3 = new MessageProducer(url3, dest, true);
log.info("--- Starting producer --- " + url3);
@Cleanup
MessageConsumer consumer1 = new MessageConsumer(url1, dest);
log.info("--- Starting Consumer --- " + url1);
@Cleanup
MessageConsumer consumer2 = new MessageConsumer(url2, dest);
log.info("--- Starting Consumer --- " + url2);
@Cleanup
MessageConsumer consumer3 = new MessageConsumer(url3, dest);
log.info("--- Starting Consumer --- " + url3);
// Produce from cluster1 and consume from the rest
producer1.produceBatch(10);
consumer1.receive(10);
consumer2.receive(10);
consumer3.receive(10);
// Produce from cluster2 and consume from the rest
producer2.produceBatch(10);
consumer1.receive(10);
consumer2.receive(10);
consumer3.receive(10);
}
/**
* It verifies that: if it fails while removing replicator-cluster-cursor: it should not restart the replicator and
* it should have cleaned up from the list
*
* @throws Exception
*/
@Test(timeOut = 30000)
public void testDeleteReplicatorFailure() throws Exception {
log.info("--- Starting ReplicatorTest::testDeleteReplicatorFailure ---");
final String topicName = BrokerTestUtil.newUniqueName("persistent://pulsar/ns/repltopicbatch");
final TopicName dest = TopicName.get(topicName);
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(topicName).get();
final String replicatorClusterName = topic.getReplicators().keys().get(0);
ManagedLedgerImpl ledger = (ManagedLedgerImpl) topic.getManagedLedger();
CountDownLatch latch = new CountDownLatch(1);
// delete cursor already : so next time if topic.removeReplicator will get exception but then it should
// remove-replicator from the list even with failure
ledger.asyncDeleteCursor("pulsar.repl." + replicatorClusterName, new DeleteCursorCallback() {
@Override
public void deleteCursorComplete(Object ctx) {
latch.countDown();
}
@Override
public void deleteCursorFailed(ManagedLedgerException exception, Object ctx) {
latch.countDown();
}
}, null);
latch.await();
Method removeReplicator = PersistentTopic.class.getDeclaredMethod("removeReplicator", String.class);
removeReplicator.setAccessible(true);
// invoke removeReplicator : it fails as cursor is not present: but still it should remove the replicator from
// list without restarting it
@SuppressWarnings("unchecked")
CompletableFuture<Void> result = (CompletableFuture<Void>) removeReplicator.invoke(topic,
replicatorClusterName);
result.thenApply((v) -> {
assertNull(topic.getPersistentReplicator(replicatorClusterName));
return null;
});
}
@SuppressWarnings("unchecked")
@Test(priority = 5, timeOut = 30000)
public void testReplicatorProducerClosing() throws Exception {
log.info("--- Starting ReplicatorTest::testDeleteReplicatorFailure ---");
final String topicName = BrokerTestUtil.newUniqueName("persistent://pulsar/ns/repltopicbatch");
final TopicName dest = TopicName.get(topicName);
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(topicName).get();
final String replicatorClusterName = topic.getReplicators().keys().get(0);
Replicator replicator = topic.getPersistentReplicator(replicatorClusterName);
pulsar2.close();
pulsar2 = null;
pulsar3.close();
pulsar3 = null;
replicator.disconnect(false);
Thread.sleep(100);
Field field = AbstractReplicator.class.getDeclaredField("producer");
field.setAccessible(true);
ProducerImpl<byte[]> producer = (ProducerImpl<byte[]>) field.get(replicator);
assertNull(producer);
}
/**
* Issue #199
*
* It verifies that: if the remote cluster reaches backlog quota limit, replicator temporarily stops and once the
* backlog drains it should resume replication.
*
* @throws Exception
*/
@Test(timeOut = 60000, priority = -1)
public void testResumptionAfterBacklogRelaxed() throws Exception {
List<RetentionPolicy> policies = Lists.newArrayList();
policies.add(RetentionPolicy.producer_exception);
policies.add(RetentionPolicy.producer_request_hold);
for (RetentionPolicy policy : policies) {
// Use 1Mb quota by default
admin1.namespaces().setBacklogQuota("pulsar/ns1", BacklogQuota.builder()
.limitSize(1 * 1024 * 1024)
.retentionPolicy(policy)
.build());
Thread.sleep(200);
TopicName dest = TopicName
.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns1/%s-" + policy));
// Producer on r1
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
// Consumer on r2
@Cleanup
MessageConsumer consumer2 = new MessageConsumer(url2, dest);
// Replicator for r1 -> r2
PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(dest.toString()).get();
Replicator replicator = topic.getPersistentReplicator("r2");
// Produce 1 message in r1. This message will be replicated immediately into r2 and it will become part of
// local backlog
producer1.produce(1);
Thread.sleep(500);
// Restrict backlog quota limit to 1 byte to stop replication
admin1.namespaces().setBacklogQuota("pulsar/ns1", BacklogQuota.builder()
.limitSize(1)
.retentionPolicy(policy)
.build());
Thread.sleep((TIME_TO_CHECK_BACKLOG_QUOTA + 1) * 1000);
assertEquals(replicator.getStats().replicationBacklog, 0);
// Next message will not be replicated, because r2 has reached the quota
producer1.produce(1);
Thread.sleep(500);
assertEquals(replicator.getStats().replicationBacklog, 1);
// Consumer will now drain 1 message and the replication backlog will be cleared
consumer2.receive(1);
// Wait until the 2nd message got delivered to consumer
consumer2.receive(1);
int retry = 10;
for (int i = 0; i < retry && replicator.getStats().replicationBacklog > 0; i++) {
if (i != retry - 1) {
Thread.sleep(100);
}
}
assertEquals(replicator.getStats().replicationBacklog, 0);
}
}
/**
* It verifies that PersistentReplicator considers CursorAlreadyClosedException as non-retriable-read exception and
* it should closed the producer as cursor is already closed because replicator is already deleted.
*
* @throws Exception
*/
@Test(timeOut = 15000)
public void testCloseReplicatorStartProducer() throws Exception {
TopicName dest = TopicName.get(BrokerTestUtil.newUniqueName("persistent://pulsar/ns1/closeCursor"));
// Producer on r1
@Cleanup
MessageProducer producer1 = new MessageProducer(url1, dest);
// Consumer on r1
@Cleanup
MessageConsumer consumer1 = new MessageConsumer(url1, dest);
// Consumer on r2
@Cleanup
MessageConsumer consumer2 = new MessageConsumer(url2, dest);
// Replicator for r1 -> r2
PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(dest.toString()).get();
PersistentReplicator replicator = (PersistentReplicator) topic.getPersistentReplicator("r2");
// close the cursor
Field cursorField = PersistentReplicator.class.getDeclaredField("cursor");
cursorField.setAccessible(true);
ManagedCursor cursor = (ManagedCursor) cursorField.get(replicator);
cursor.close();
// try to read entries
producer1.produce(10);
try {
cursor.readEntriesOrWait(10);
fail("It should have failed");
} catch (Exception e) {
assertEquals(e.getClass(), CursorAlreadyClosedException.class);
}
// replicator-readException: cursorAlreadyClosed
replicator.readEntriesFailed(new CursorAlreadyClosedException("Cursor already closed exception"), null);
// wait replicator producer to be closed
Thread.sleep(100);
// Replicator producer must be closed
Field producerField = AbstractReplicator.class.getDeclaredField("producer");
producerField.setAccessible(true);
@SuppressWarnings("unchecked")
ProducerImpl<byte[]> replicatorProducer = (ProducerImpl<byte[]>) producerField.get(replicator);
assertNull(replicatorProducer);
}
@Test(timeOut = 30000)
public void verifyChecksumAfterReplication() throws Exception {
final String topicName = BrokerTestUtil.newUniqueName("persistent://pulsar/ns/checksumAfterReplication");
@Cleanup
PulsarClient c1 = PulsarClient.builder().serviceUrl(url1.toString()).build();
Producer<byte[]> p1 = c1.newProducer().topic(topicName)
.enableBatching(false)
.messageRoutingMode(MessageRoutingMode.SinglePartition)
.create();
@Cleanup
PulsarClient c2 = PulsarClient.builder().serviceUrl(url2.toString()).build();
RawReader reader2 = RawReader.create(c2, topicName, "sub").get();
p1.send("Hello".getBytes());
RawMessage msg = reader2.readNextAsync().get();
ByteBuf b = msg.getHeadersAndPayload();
assertTrue(Commands.hasChecksum(b));
int parsedChecksum = Commands.readChecksum(b);
int computedChecksum = Crc32cIntChecksum.computeChecksum(b);
assertEquals(parsedChecksum, computedChecksum);
p1.close();
reader2.closeAsync().get();
}
@Test
public void testReplicatorWithPartitionedTopic() throws Exception {
final String namespace = "pulsar/partitionedNs-" + UUID.randomUUID();
final String persistentTopicName = "persistent://" + namespace + "/partTopic" + UUID.randomUUID();
admin1.namespaces().createNamespace(namespace);
admin1.namespaces().setNamespaceReplicationClusters(namespace, Sets.newHashSet("r1", "r2", "r3"));
// Create partitioned-topic from R1
admin1.topics().createPartitionedTopic(persistentTopicName, 3);
// List partitioned topics from R2
Awaitility.await().untilAsserted(() -> assertNotNull(admin2.topics().getPartitionedTopicList(namespace)));
Awaitility.await().untilAsserted(() -> assertEquals(
admin2.topics().getPartitionedTopicList(namespace).get(0), persistentTopicName));
assertEquals(admin1.topics().getList(namespace).size(), 3);
// List partitioned topics from R3
Awaitility.await().untilAsserted(() -> assertNotNull(admin3.topics().getPartitionedTopicList(namespace)));
Awaitility.await().untilAsserted(() -> assertEquals(
admin3.topics().getPartitionedTopicList(namespace).get(0), persistentTopicName));
// Update partitioned topic from R2
admin2.topics().updatePartitionedTopic(persistentTopicName, 5);
assertEquals(admin2.topics().getPartitionedTopicMetadata(persistentTopicName).partitions, 5);
assertEquals(admin2.topics().getList(namespace).size(), 5);
// Update partitioned topic from R3
admin3.topics().updatePartitionedTopic(persistentTopicName, 5);
assertEquals(admin3.topics().getPartitionedTopicMetadata(persistentTopicName).partitions, 5);
assertEquals(admin3.topics().getList(namespace).size(), 5);
// Update partitioned topic from R1
admin1.topics().updatePartitionedTopic(persistentTopicName, 6);
assertEquals(admin1.topics().getPartitionedTopicMetadata(persistentTopicName).partitions, 6);
assertEquals(admin2.topics().getPartitionedTopicMetadata(persistentTopicName).partitions, 6);
assertEquals(admin3.topics().getPartitionedTopicMetadata(persistentTopicName).partitions, 6);
assertEquals(admin1.topics().getList(namespace).size(), 6);
assertEquals(admin2.topics().getList(namespace).size(), 6);
assertEquals(admin3.topics().getList(namespace).size(), 6);
}
/**
* It verifies that broker should not start replicator for partitioned-topic (topic without -partition postfix)
*
* @param isPartitionedTopic
* @throws Exception
*/
@Test(dataProvider = "partitionedTopic")
public void testReplicatorOnPartitionedTopic(boolean isPartitionedTopic) throws Exception {
log.info("--- Starting ReplicatorTest::{} --- ", methodName);
final String namespace = BrokerTestUtil.newUniqueName("pulsar/partitionedNs-" + isPartitionedTopic);
final String persistentTopicName = BrokerTestUtil.newUniqueName("persistent://" + namespace + "/partTopic-" + isPartitionedTopic);
final String nonPersistentTopicName = BrokerTestUtil.newUniqueName("non-persistent://" + namespace + "/partTopic-" + isPartitionedTopic);
BrokerService brokerService = pulsar1.getBrokerService();
admin1.namespaces().createNamespace(namespace);
admin1.namespaces().setNamespaceReplicationClusters(namespace, Sets.newHashSet("r1", "r2", "r3"));
if (isPartitionedTopic) {
admin1.topics().createPartitionedTopic(persistentTopicName, 5);
admin1.topics().createPartitionedTopic(nonPersistentTopicName, 5);
}
// load namespace with dummy topic on ns
@Cleanup
PulsarClient client = PulsarClient.builder().serviceUrl(url1.toString()).build();
client.newProducer().topic("persistent://" + namespace + "/dummyTopic")
.enableBatching(false)
.messageRoutingMode(MessageRoutingMode.SinglePartition)
.create();
// persistent topic test
try {
brokerService.getOrCreateTopic(persistentTopicName).get();
if (isPartitionedTopic) {
fail("Topic creation fails with partitioned topic as replicator init fails");
}
} catch (Exception e) {
if (!isPartitionedTopic) {
fail("Topic creation should not fail without any partitioned topic");
}
assertTrue(e.getCause() instanceof NamingException);
}
// non-persistent topic test
try {
brokerService.getOrCreateTopic(nonPersistentTopicName).get();
if (isPartitionedTopic) {
fail("Topic creation fails with partitioned topic as replicator init fails");
}
} catch (Exception e) {
if (!isPartitionedTopic) {
fail("Topic creation should not fail without any partitioned topic");
}
assertTrue(e.getCause() instanceof NamingException);
}
}
@Test
public void testReplicatedCluster() throws Exception {
log.info("--- Starting ReplicatorTest::testReplicatedCluster ---");
final String namespace = "pulsar/global/repl";
final String topicName = BrokerTestUtil.newUniqueName("persistent://" + namespace + "/topic1");
admin1.namespaces().createNamespace(namespace);
admin1.namespaces().setNamespaceReplicationClusters(namespace, Sets.newHashSet("r1", "r2", "r3"));
admin1.topics().createPartitionedTopic(topicName, 4);
@Cleanup
PulsarClient client1 = PulsarClient.builder().serviceUrl(url1.toString()).statsInterval(0, TimeUnit.SECONDS)
.build();
@Cleanup
PulsarClient client2 = PulsarClient.builder().serviceUrl(url2.toString()).statsInterval(0, TimeUnit.SECONDS)
.build();
Producer<byte[]> producer1 = client1.newProducer().topic(topicName).create();
org.apache.pulsar.client.api.Consumer<byte[]> consumer1 = client1.newConsumer().topic(topicName).subscriptionName("s1").subscribe();
org.apache.pulsar.client.api.Consumer<byte[]> consumer2 = client2.newConsumer().topic(topicName).subscriptionName("s1").subscribe();
byte[] value = "test".getBytes();
// publish message local only
TypedMessageBuilder<byte[]> msg = producer1.newMessage().replicationClusters(Lists.newArrayList("r1")).value(value);
msg.send();
assertEquals(consumer1.receive().getValue(), value);
Message<byte[]> msg2 = consumer2.receive(1, TimeUnit.SECONDS);
if (msg2 != null) {
fail("msg should have not been replicated to remote cluster");
}
consumer1.close();
consumer2.close();
producer1.close();
}
/**
* This validates that broker supports update-partition api for global topics.
* <pre>
* 1. Create global topic with 4 partitions
* 2. Update partition with 8 partitions
* 3. Create producer on the partition topic which loads all new partitions
* 4. Check subscriptions are created on all new partitions.
* </pre>
* @throws Exception
*/
@Test
public void testUpdateGlobalTopicPartition() throws Exception {
log.info("--- Starting ReplicatorTest::testUpdateGlobalTopicPartition ---");
final String cluster1 = pulsar1.getConfig().getClusterName();
final String cluster2 = pulsar2.getConfig().getClusterName();
final String namespace = BrokerTestUtil.newUniqueName("pulsar/ns");
final String topicName = BrokerTestUtil.newUniqueName("persistent://" + namespace + "/topic1");
int startPartitions = 4;
int newPartitions = 8;
final String subscriberName = "sub1";
admin1.namespaces().createNamespace(namespace, Sets.newHashSet(cluster1, cluster2));
admin1.topics().createPartitionedTopic(topicName, startPartitions);
@Cleanup
PulsarClient client1 = PulsarClient.builder().serviceUrl(url1.toString()).statsInterval(0, TimeUnit.SECONDS)
.build();
@Cleanup
PulsarClient client2 = PulsarClient.builder().serviceUrl(url2.toString()).statsInterval(0, TimeUnit.SECONDS)
.build();
Consumer<byte[]> consumer1 = client1.newConsumer().topic(topicName).subscriptionName(subscriberName)
.subscribe();
Consumer<byte[]> consumer2 = client2.newConsumer().topic(topicName).subscriptionName(subscriberName)
.subscribe();
admin1.topics().updatePartitionedTopic(topicName, newPartitions);
assertEquals(admin1.topics().getPartitionedTopicMetadata(topicName).partitions, newPartitions);
// create producers to load all the partition topics
Producer<byte[]> producer1 = client1.newProducer().topic(topicName).create();
Producer<byte[]> producer2 = client2.newProducer().topic(topicName).create();
for (int i = startPartitions; i < newPartitions; i++) {
String partitionedTopic = topicName + TopicName.PARTITIONED_TOPIC_SUFFIX + i;
assertEquals(admin1.topics().getSubscriptions(partitionedTopic).size(), 1);
assertEquals(admin2.topics().getSubscriptions(partitionedTopic).size(), 1);
}
producer1.close();
producer2.close();
consumer1.close();