public void clearController() { if (cluster.controller() != null) { log.trace("Clearing cached controller node {}.", cluster.controller()); this.cluster = new Cluster(cluster.clusterResource().clusterId(), cluster.nodes(), Collections.emptySet(), Collections.emptySet(), Collections.emptySet(), null); } }
String previousClusterId = cache.cluster().clusterResource().clusterId(); String newClusterId = cache.cluster().clusterResource().clusterId(); if (!Objects.equals(previousClusterId, newClusterId)) { log.info("Cluster ID: {}", newClusterId); clusterResourceListeners.onUpdate(clusterForListeners.clusterResource());
env.kafkaClient().prepareResponse(new MetadataResponse(cluster.nodes(), cluster.clusterResource().clusterId(), cluster.controller().id(), t)); env.kafkaClient().prepareResponse(new DeleteRecordsResponse(0, m));
new MetadataResponse( Collections.emptyList(), env.cluster().clusterResource().clusterId(), -1, Collections.emptyList()));
assertEquals(cluster.clusterResource().clusterId(), "dummy"); assertEquals(cluster.nodes().size(), 4);
@Test(expected = InvalidTopicException.class) public void testSubscriptionOnInvalidTopic() { Time time = new MockTime(); Metadata metadata = createMetadata(); MockClient client = new MockClient(time, metadata); initMetadata(client, Collections.singletonMap(topic, 1)); Cluster cluster = metadata.fetch(); PartitionAssignor assignor = new RoundRobinAssignor(); String invalidTopicName = "topic abc"; // Invalid topic name due to space List<MetadataResponse.TopicMetadata> topicMetadata = new ArrayList<>(); topicMetadata.add(new MetadataResponse.TopicMetadata(Errors.INVALID_TOPIC_EXCEPTION, invalidTopicName, false, Collections.emptyList())); MetadataResponse updateResponse = new MetadataResponse(cluster.nodes(), cluster.clusterResource().clusterId(), cluster.controller().id(), topicMetadata); client.prepareMetadataUpdate(updateResponse); KafkaConsumer<String, String> consumer = newConsumer(time, client, metadata, assignor, true); consumer.subscribe(singleton(invalidTopicName), getConsumerRebalanceListener(consumer)); consumer.poll(Duration.ZERO); } }
initializedCluster.clusterResource().clusterId(), initializedCluster.controller().id(), Collections.emptyList())); singletonList(leader), singletonList(leader)); env.kafkaClient().prepareResponse(new MetadataResponse(initializedCluster.nodes(), initializedCluster.clusterResource().clusterId(), 1, singletonList(new MetadataResponse.TopicMetadata(Errors.NONE, topic, false, singletonList(partitionMetadata)))));
@Test public void testUnreachableBootstrapServer() throws Exception { // This tests the scenario in which the bootstrap server is unreachable for a short while, // which prevents AdminClient from being able to send the initial metadata request Cluster cluster = Cluster.bootstrap(Collections.singletonList(new InetSocketAddress("localhost", 8121))); try (final AdminClientUnitTestEnv env = new AdminClientUnitTestEnv(Time.SYSTEM, cluster)) { Cluster discoveredCluster = mockCluster(0); env.kafkaClient().setNodeApiVersions(NodeApiVersions.create()); env.kafkaClient().setUnreachable(cluster.nodes().get(0), 200); env.kafkaClient().prepareResponse(body -> body instanceof MetadataRequest, new MetadataResponse(discoveredCluster.nodes(), discoveredCluster.clusterResource().clusterId(), 1, Collections.emptyList())); env.kafkaClient().prepareResponse(body -> body instanceof CreateTopicsRequest, new CreateTopicsResponse(Collections.singletonMap("myTopic", new ApiError(Errors.NONE, "")))); KafkaFuture<Void> future = env.adminClient().createTopics( Collections.singleton(new NewTopic("myTopic", Collections.singletonMap(0, asList(0, 1, 2)))), new CreateTopicsOptions().timeoutMs(10000)).all(); future.get(); } }
@Test public void testConnectionFailureOnMetadataUpdate() throws Exception { // This tests the scenario in which we successfully connect to the bootstrap server, but // the server disconnects before sending the full response Cluster cluster = mockBootstrapCluster(); try (final AdminClientUnitTestEnv env = new AdminClientUnitTestEnv(Time.SYSTEM, cluster)) { Cluster discoveredCluster = mockCluster(0); env.kafkaClient().setNodeApiVersions(NodeApiVersions.create()); env.kafkaClient().prepareResponse(request -> request instanceof MetadataRequest, null, true); env.kafkaClient().prepareResponse(request -> request instanceof MetadataRequest, new MetadataResponse(discoveredCluster.nodes(), discoveredCluster.clusterResource().clusterId(), 1, Collections.emptyList())); env.kafkaClient().prepareResponse(body -> body instanceof CreateTopicsRequest, new CreateTopicsResponse(Collections.singletonMap("myTopic", new ApiError(Errors.NONE, "")))); KafkaFuture<Void> future = env.adminClient().createTopics( Collections.singleton(new NewTopic("myTopic", Collections.singletonMap(0, asList(0, 1, 2)))), new CreateTopicsOptions().timeoutMs(10000)).all(); future.get(); } }
@Test public void testCreateTopicsHandleNotControllerException() throws Exception { try (AdminClientUnitTestEnv env = mockClientEnv()) { env.kafkaClient().setNodeApiVersions(NodeApiVersions.create()); env.kafkaClient().prepareResponseFrom(new CreateTopicsResponse( Collections.singletonMap("myTopic", new ApiError(Errors.NOT_CONTROLLER, ""))), env.cluster().nodeById(0)); env.kafkaClient().prepareResponse(new MetadataResponse(env.cluster().nodes(), env.cluster().clusterResource().clusterId(), 1, Collections.<MetadataResponse.TopicMetadata>emptyList())); env.kafkaClient().prepareResponseFrom(new CreateTopicsResponse( Collections.singletonMap("myTopic", new ApiError(Errors.NONE, ""))), env.cluster().nodeById(1)); KafkaFuture<Void> future = env.adminClient().createTopics( Collections.singleton(new NewTopic("myTopic", Collections.singletonMap(0, asList(0, 1, 2)))), new CreateTopicsOptions().timeoutMs(10000)).all(); future.get(); } }
new MetadataResponse( Collections.emptyList(), env.cluster().clusterResource().clusterId(), -1, Collections.emptyList())); new MetadataResponse( env.cluster().nodes(), env.cluster().clusterResource().clusterId(), env.cluster().controller().id(), Collections.emptyList()));