Examples with PersistentReplicator com.yahoo.pulsar.broker.service.persistent.PersistentReplicator used on opensource projects

Example 6 with PersistentReplicator

use of com.yahoo.pulsar.broker.service.persistent.PersistentReplicator in project pulsar by yahoo.

the class PersistentTopicTest method testClosingReplicationProducerTwice.

@Test
public void testClosingReplicationProducerTwice() throws Exception {
    final String globalTopicName = "persistent://prop/global/ns/testClosingReplicationProducerTwice";
    String localCluster = "local";
    String remoteCluster = "remote";
    final ManagedLedger ledgerMock = mock(ManagedLedger.class);
    doNothing().when(ledgerMock).asyncDeleteCursor(anyObject(), anyObject(), anyObject());
    doReturn(new ArrayList<Object>()).when(ledgerMock).getCursors();
    PersistentTopic topic = new PersistentTopic(globalTopicName, ledgerMock, brokerService);
    String remoteReplicatorName = topic.replicatorPrefix + "." + localCluster;
    final URL brokerUrl = new URL("http://" + pulsar.getAdvertisedAddress() + ":" + pulsar.getConfiguration().getBrokerServicePort());
    PulsarClient client = spy(PulsarClient.create(brokerUrl.toString()));
    PulsarClientImpl clientImpl = (PulsarClientImpl) client;
    Field conf = PersistentReplicator.class.getDeclaredField("producerConfiguration");
    conf.setAccessible(true);
    ManagedCursor cursor = mock(ManagedCursorImpl.class);
    doReturn(remoteCluster).when(cursor).getName();
    brokerService.getReplicationClients().put(remoteCluster, client);
    PersistentReplicator replicator = new PersistentReplicator(topic, cursor, localCluster, remoteCluster, brokerService);
    doReturn(new CompletableFuture<Producer>()).when(clientImpl).createProducerAsync(globalTopicName, (ProducerConfiguration) conf.get(replicator), remoteReplicatorName);
    replicator.startProducer();
    verify(clientImpl).createProducerAsync(globalTopicName, (ProducerConfiguration) conf.get(replicator), remoteReplicatorName);
    replicator.disconnect(false);
    replicator.disconnect(false);
    replicator.startProducer();
    verify(clientImpl, Mockito.times(2)).createProducerAsync(globalTopicName, (ProducerConfiguration) conf.get(replicator), remoteReplicatorName);
}

Example 7 with PersistentReplicator

use of com.yahoo.pulsar.broker.service.persistent.PersistentReplicator in project pulsar by yahoo.

the class ReplicatorTest method testReplicatorClearBacklog.

@Test
public void testReplicatorClearBacklog() throws Exception {
    // This test is to verify that reset cursor fails on global topic
    SortedSet<String> testDests = new TreeSet<String>();
    final DestinationName dest = DestinationName.get("persistent://pulsar/global/ns/clearBacklogTopic");
    testDests.add(dest.toString());
    MessageProducer producer1 = new MessageProducer(url1, dest);
    MessageConsumer consumer1 = new MessageConsumer(url3, dest);
    // Produce from cluster1 and consume from the rest
    producer1.produce(2);
    producer1.close();
    PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(dest.toString());
    PersistentReplicator replicator = spy(topic.getReplicators().get(topic.getReplicators().keys().get(0)));
    replicator.readEntriesFailed(new ManagedLedgerException.InvalidCursorPositionException("failed"), null);
    replicator.clearBacklog().get();
    Thread.sleep(100);
    // for code-coverage
    replicator.updateRates();
    // for code-coverage
    replicator.expireMessages(1);
    ReplicatorStats status = replicator.getStats();
    assertTrue(status.replicationBacklog == 0);
    consumer1.close();
}

Example 8 with PersistentReplicator

use of com.yahoo.pulsar.broker.service.persistent.PersistentReplicator in project pulsar by yahoo.

the class ReplicatorTest method testCloseReplicatorStartProducer.

/**
     * 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 = 5000)
public void testCloseReplicatorStartProducer() throws Exception {
    DestinationName dest = DestinationName.get("persistent://pulsar/global/ns1/closeCursor");
    // Producer on r1
    MessageProducer producer1 = new MessageProducer(url1, dest);
    // Consumer on r1
    MessageConsumer consumer1 = new MessageConsumer(url1, dest);
    // Consumer on r2
    MessageConsumer consumer2 = new MessageConsumer(url2, dest);
    // Replicator for r1 -> r2
    PersistentTopic topic = (PersistentTopic) pulsar1.getBrokerService().getTopicReference(dest.toString());
    PersistentReplicator replicator = 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
    CountDownLatch latch = new CountDownLatch(1);
    producer1.produce(10);
    cursor.asyncReadEntriesOrWait(10, new ReadEntriesCallback() {

        @Override
        public void readEntriesComplete(List<Entry> entries, Object ctx) {
            latch.countDown();
            fail("it should have been failed");
        }

        @Override
        public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
            latch.countDown();
            assertTrue(exception instanceof CursorAlreadyClosedException);
        }
    }, null);
    // replicator-readException: cursorAlreadyClosed
    replicator.readEntriesFailed(new CursorAlreadyClosedException("Cursor already closed exception"), null);
    // wait replicator producer to be closed
    Thread.sleep(1000);
    // Replicator producer must be closed
    Field producerField = PersistentReplicator.class.getDeclaredField("producer");
    producerField.setAccessible(true);
    ProducerImpl replicatorProducer = (ProducerImpl) producerField.get(replicator);
    assertEquals(replicatorProducer, null);
    producer1.close();
    consumer1.close();
    consumer2.close();
}

Example 9 with PersistentReplicator

use of com.yahoo.pulsar.broker.service.persistent.PersistentReplicator in project pulsar by yahoo.

the class PersistentTopics method skipAllMessages.

@POST
@Path("/{property}/{cluster}/{namespace}/{destination}/subscription/{subName}/skip_all")
@ApiOperation(value = "Skip all messages on a topic subscription.", notes = "Completely clears the backlog on the subscription.")
@ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), @ApiResponse(code = 404, message = "Topic or subscription does not exist") })
public void skipAllMessages(@PathParam("property") String property, @PathParam("cluster") String cluster, @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destination, @PathParam("subName") String subName, @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
    destination = decode(destination);
    DestinationName dn = DestinationName.get(domain(), property, cluster, namespace, destination);
    PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(property, cluster, namespace, destination, authoritative);
    if (partitionMetadata.partitions > 0) {
        try {
            for (int i = 0; i < partitionMetadata.partitions; i++) {
                pulsar().getAdminClient().persistentTopics().skipAllMessages(dn.getPartition(i).toString(), subName);
            }
        } catch (Exception e) {
            throw new RestException(e);
        }
    } else {
        validateAdminOperationOnDestination(dn, authoritative);
        PersistentTopic topic = getTopicReference(dn);
        try {
            if (subName.startsWith(topic.replicatorPrefix)) {
                String remoteCluster = PersistentReplicator.getRemoteCluster(subName);
                PersistentReplicator repl = topic.getPersistentReplicator(remoteCluster);
                checkNotNull(repl);
                repl.clearBacklog().get();
            } else {
                PersistentSubscription sub = topic.getPersistentSubscription(subName);
                checkNotNull(sub);
                sub.clearBacklog().get();
            }
            log.info("[{}] Cleared backlog on {} {}", clientAppId(), dn, subName);
        } catch (NullPointerException npe) {
            throw new RestException(Status.NOT_FOUND, "Subscription not found");
        } catch (Exception exception) {
            log.error("[{}] Failed to skip all messages {} {}", clientAppId(), dn, subName, exception);
            throw new RestException(exception);
        }
    }
}

Example 10 with PersistentReplicator

use of com.yahoo.pulsar.broker.service.persistent.PersistentReplicator in project pulsar by yahoo.

the class PersistentTopics method getReplicatorReference.

/**
     * Get the Replicator object reference from the Topic reference
     */
private PersistentReplicator getReplicatorReference(String replName, PersistentTopic topic) {
    try {
        String remoteCluster = PersistentReplicator.getRemoteCluster(replName);
        PersistentReplicator repl = topic.getPersistentReplicator(remoteCluster);
        return checkNotNull(repl);
    } catch (Exception e) {
        throw new RestException(Status.NOT_FOUND, "Replicator not found");
    }
}