kafka.admin.AdminUtils Java Examples
The following examples show how to use
kafka.admin.AdminUtils.
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Example #1
Source File: EmbeddedKafkaBroker.java From ameliant-tools with Apache License 2.0 | 6 votes |
@Override protected void before() throws Throwable { logDirectory = tempDir(perTest("kafka-log")); Properties properties = brokerDefinition.getProperties(); properties.setProperty(KafkaConfig.LogDirProp(), logDirectory.getCanonicalPath()); kafkaServer = new KafkaServer(new KafkaConfig(properties), SystemTime$.MODULE$, Some$.MODULE$.apply("kafkaServer")); kafkaServer.startup(); List<TopicDefinition> topicDefinitions = brokerDefinition.getTopicDefinitions(); if (!topicDefinitions.isEmpty()) { ZkUtils zkUtils = ZkUtils.apply(brokerDefinition.getZookeeperConnect(), 30000, 30000, JaasUtils.isZkSecurityEnabled()); for (TopicDefinition topicDefinition : topicDefinitions) { String name = topicDefinition.getName(); log.info("Creating topic {}", name); AdminUtils.createTopic(zkUtils, name, topicDefinition.getPartitions(), topicDefinition.getReplicationFactor(), topicDefinition.getProperties()); } } }
Example #2
Source File: KafkaRpcTopicService.java From devicehive-java-server with Apache License 2.0 | 6 votes |
public void createTopic(String topic) { ZkClient zkClient = new ZkClient( kafkaRpcConfig.getZookeeperConnect(), kafkaRpcConfig.getSessionTimeout(), kafkaRpcConfig.getConnectionTimeout(), ZKStringSerializer$.MODULE$); try { ZkUtils zkUtils = new ZkUtils(zkClient, new ZkConnection(kafkaRpcConfig.getZookeeperConnect()), false); Properties topicConfig = kafkaRpcConfig.topicProps(); if (!AdminUtils.topicExists(zkUtils, topic)) { AdminUtils.createTopic(zkUtils, topic, kafkaRpcConfig.getNumPartitions(), kafkaRpcConfig.getReplicationFactor(), topicConfig, RackAwareMode.Enforced$.MODULE$); } } finally { zkClient.close(); } }
Example #3
Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public void deleteTestTopic(String topic) { ZkUtils zkUtils = getZkUtils(); try { LOG.info("Deleting topic {}", topic); ZkClient zk = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")), Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer()); AdminUtils.deleteTopic(zkUtils, topic); zk.close(); } finally { zkUtils.close(); } }
Example #4
Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkClient zkClient = createZkClient(); PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.errorCode()); // not the first try. Sleep a bit Thread.sleep(150); } Seq<PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkClient).partitionsMetadata(); firstPart = partitionMetadata.head(); } while (firstPart.errorCode() != 0); zkClient.close(); return firstPart.leader().get().id(); }
Example #5
Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkUtils zkUtils = getZkUtils(); try { PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.errorCode()); // not the first try. Sleep a bit Thread.sleep(150); } Seq<PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkUtils).partitionsMetadata(); firstPart = partitionMetadata.head(); } while (firstPart.errorCode() != 0); return firstPart.leader().get().id(); } finally { zkUtils.close(); } }
Example #6
Source File: KafkaAdminClient.java From data-highway with Apache License 2.0 | 6 votes |
public KafkaTopicDetails topicDetails(String topic) { Map<Object, List<Object>> map = getPartitionInfo(topic); int numPartitions = map.size(); int numReplicas = map.get(0).size(); RoadType type; Properties topicConfig = AdminUtils.fetchEntityConfig(zkUtils, ConfigType.Topic(), topic); String cleanupPolicyConfig = topicConfig .getProperty(TopicConfig.CLEANUP_POLICY_CONFIG, TopicConfig.CLEANUP_POLICY_DELETE); switch (cleanupPolicyConfig) { case TopicConfig.CLEANUP_POLICY_COMPACT: type = RoadType.COMPACT; break; default: type = RoadType.NORMAL; } log.debug("numPartitions: {}, numReplicas: {}", numPartitions, numReplicas); return new KafkaTopicDetails(type, numPartitions, numReplicas); }
Example #7
Source File: KafkaStoreUtils.java From data-highway with Apache License 2.0 | 6 votes |
public static void checkAndCreateTopic(String zkConnect, String topic, int replicas) { ZkClient zkClient = new ZkClient(zkConnect, SESSION_TIMEOUT_MS, CONNECTION_TIMEOUT_MS, ZKStringSerializer$.MODULE$); ZkUtils zkUtils = new ZkUtils(zkClient, new ZkConnection(zkConnect), IS_SECURE_KAFKA_CLUSTER); if (AdminUtils.topicExists(zkUtils, topic)) { verifyTopic(zkUtils, topic); return; } int partitions = 1; Properties topicConfig = new Properties(); topicConfig.put(LogConfig.CleanupPolicyProp(), "compact"); AdminUtils.createTopic(zkUtils, topic, partitions, replicas, topicConfig, RackAwareMode.Enforced$.MODULE$); zkClient.close(); zkUtils.close(); }
Example #8
Source File: TrafficControlIntegrationTest.java From data-highway with Apache License 2.0 | 6 votes |
@Test public void topic_updated_with_throttle_props() throws Exception { kafka.createTopic("test_topic4", 4, 1); JsonNode model = mapper .readTree( "{\"topicName\":\"test_topic4\",\"status\":{\"topicCreated\":true,\"partitions\":4,\"replicationFactor\":1}}"); KafkaModelReader modelReader = context.getBean(KafkaModelReader.class); TrafficControl agent = context.getBean(TrafficControl.class); agent.inspectModel("test", modelReader.read(model)); ZkUtils zkUtils = ZkUtils.apply(kafka.zKConnectString(), 60000, 60000, false); Properties config = AdminUtils.fetchEntityConfig(zkUtils, ConfigType.Topic(), "test_topic4"); zkUtils.close(); assertThat(config.getProperty("leader.replication.throttled.replicas"), is("*")); assertThat(config.getProperty("follower.replication.throttled.replicas"), is("*")); }
Example #9
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public void deleteTestTopic(String topic) { ZkUtils zkUtils = getZkUtils(); try { LOG.info("Deleting topic {}", topic); ZkClient zk = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")), Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer()); AdminUtils.deleteTopic(zkUtils, topic); zk.close(); } finally { zkUtils.close(); } }
Example #10
Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public void deleteTestTopic(String topic) { ZkUtils zkUtils = getZkUtils(); try { LOG.info("Deleting topic {}", topic); ZkClient zk = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")), Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer()); AdminUtils.deleteTopic(zkUtils, topic); zk.close(); } finally { zkUtils.close(); } }
Example #11
Source File: KafkaUtilsTest.java From incubator-samoa with Apache License 2.0 | 6 votes |
@BeforeClass public static void setUpClass() throws IOException { // setup Zookeeper zkServer = new EmbeddedZookeeper(); zkConnect = ZKHOST + ":" + zkServer.port(); zkClient = new ZkClient(zkConnect, 30000, 30000, ZKStringSerializer$.MODULE$); ZkUtils zkUtils = ZkUtils.apply(zkClient, false); // setup Broker Properties brokerProps = new Properties(); brokerProps.setProperty("zookeeper.connect", zkConnect); brokerProps.setProperty("broker.id", "0"); brokerProps.setProperty("log.dirs", Files.createTempDirectory("kafkaUtils-").toAbsolutePath().toString()); brokerProps.setProperty("listeners", "PLAINTEXT://" + BROKERHOST + ":" + BROKERPORT); KafkaConfig config = new KafkaConfig(brokerProps); Time mock = new MockTime(); kafkaServer = TestUtils.createServer(config, mock); // create topics AdminUtils.createTopic(zkUtils, TOPIC_R, 1, 1, new Properties(), RackAwareMode.Disabled$.MODULE$); AdminUtils.createTopic(zkUtils, TOPIC_S, 1, 1, new Properties(), RackAwareMode.Disabled$.MODULE$); }
Example #12
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public void deleteTestTopic(String topic) { ZkUtils zkUtils = getZkUtils(); try { LOG.info("Deleting topic {}", topic); ZkClient zk = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")), Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer()); AdminUtils.deleteTopic(zkUtils, topic); zk.close(); } finally { zkUtils.close(); } }
Example #13
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkClient zkClient = createZkClient(); PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.errorCode()); // not the first try. Sleep a bit Thread.sleep(150); } Seq<PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkClient).partitionsMetadata(); firstPart = partitionMetadata.head(); } while (firstPart.errorCode() != 0); zkClient.close(); return firstPart.leader().get().id(); }
Example #14
Source File: KafkaUtils.java From oryx with Apache License 2.0 | 6 votes |
/** * @param zkServers Zookeeper server string: host1:port1[,host2:port2,...] * @param topic topic to create (if not already existing) * @param partitions number of topic partitions * @param topicProperties optional topic config properties */ public static void maybeCreateTopic(String zkServers, String topic, int partitions, Properties topicProperties) { ZkUtils zkUtils = ZkUtils.apply(zkServers, ZK_TIMEOUT_MSEC, ZK_TIMEOUT_MSEC, false); try { if (AdminUtils.topicExists(zkUtils, topic)) { log.info("No need to create topic {} as it already exists", topic); } else { log.info("Creating topic {} with {} partition(s)", topic, partitions); try { AdminUtils.createTopic( zkUtils, topic, partitions, 1, topicProperties, RackAwareMode.Enforced$.MODULE$); log.info("Created topic {}", topic); } catch (TopicExistsException re) { log.info("Topic {} already exists", topic); } } } finally { zkUtils.close(); } }
Example #15
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkUtils zkUtils = getZkUtils(); try { MetadataResponse.PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.error().code()); // not the first try. Sleep a bit Thread.sleep(150); } List<MetadataResponse.PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkUtils).partitionMetadata(); firstPart = partitionMetadata.get(0); } while (firstPart.error().code() != 0); return firstPart.leader().id(); } finally { zkUtils.close(); } }
Example #16
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkUtils zkUtils = getZkUtils(); try { MetadataResponse.PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.error().code()); // not the first try. Sleep a bit Thread.sleep(150); } List<MetadataResponse.PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkUtils).partitionMetadata(); firstPart = partitionMetadata.get(0); } while (firstPart.error().code() != 0); return firstPart.leader().id(); } finally { zkUtils.close(); } }
Example #17
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public void deleteTestTopic(String topic) { ZkUtils zkUtils = getZkUtils(); try { LOG.info("Deleting topic {}", topic); ZkClient zk = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")), Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer()); AdminUtils.deleteTopic(zkUtils, topic); zk.close(); } finally { zkUtils.close(); } }
Example #18
Source File: KafkaTopics.java From rya with Apache License 2.0 | 6 votes |
/** * Creates a set of Kafka topics for each topic that does not already exist. * * @param zookeeperServers - The Zookeeper servers that are used by the Kafka Streams program. (not null) * @param topicNames - The topics that will be created. (not null) * @param partitions - The number of partitions that each of the topics will have. * @param replicationFactor - The replication factor of the topics that are created. * @param topicProperties - The optional properties of the topics to create. */ public static void createTopics( final String zookeeperServers, final Set<String> topicNames, final int partitions, final int replicationFactor, final Optional<Properties> topicProperties) { requireNonNull(zookeeperServers); requireNonNull(topicNames); ZkUtils zkUtils = null; try { zkUtils = ZkUtils.apply(new ZkClient(zookeeperServers, 30000, 30000, ZKStringSerializer$.MODULE$), false); for(final String topicName : topicNames) { if(!AdminUtils.topicExists(zkUtils, topicName)) { AdminUtils.createTopic(zkUtils, topicName, partitions, replicationFactor, topicProperties.orElse(new Properties()), RackAwareMode.Disabled$.MODULE$); } } } finally { if(zkUtils != null) { zkUtils.close(); } } }
Example #19
Source File: Topicutil.java From dk-fitting with Apache License 2.0 | 6 votes |
/** * 查询所有topic,包括已经被标记删除,还没有删除的topic。 * @return topic的list */ public static List<String> queryAllTopic(){ ZkUtils zkUtils = ZkUtils.apply(zkUrl, sessionTimeout, connectionTimeout, JaasUtils.isZkSecurityEnabled()); ArrayList<String> topics = new ArrayList<String>(); // AdminUtils.topicExists() scala.collection.Map<String, Properties> stringPropertiesMap = AdminUtils.fetchAllTopicConfigs(zkUtils); Map<String, Properties> javaMap = JavaConversions.mapAsJavaMap(stringPropertiesMap); Iterator<String> iterator = javaMap.keySet().iterator(); while(iterator.hasNext()){ String key = iterator.next(); Properties properties = javaMap.get(key); topics.add(key); } zkUtils.close(); return topics; }
Example #20
Source File: KafkaEmbedded.java From ksql-fork-with-deep-learning-function with Apache License 2.0 | 6 votes |
/** * Create a Kafka topic with the given parameters. * * @param topic The name of the topic. * @param partitions The number of partitions for this topic. * @param replication The replication factor for (partitions of) this topic. * @param topicConfig Additional topic-level configuration settings. */ public void createTopic(String topic, int partitions, int replication, Properties topicConfig) { log.debug("Creating topic { name: {}, partitions: {}, replication: {}, config: {} }", topic, partitions, replication, topicConfig); // Note: You must initialize the ZkClient with ZKStringSerializer. If you don't, then // registerTopic() will only seem to work (it will return without error). The topic will exist in // only ZooKeeper and will be returned when listing topics, but Kafka itself does not create the // topic. ZkClient zkClient = new ZkClient( zookeeperConnect(), DEFAULT_ZK_SESSION_TIMEOUT_MS, DEFAULT_ZK_CONNECTION_TIMEOUT_MS, ZKStringSerializer$.MODULE$); ZkUtils zkUtils = new ZkUtils(zkClient, new ZkConnection(zookeeperConnect()), false); AdminUtils.createTopic(zkUtils, topic, partitions, replication, topicConfig, RackAwareMode.Enforced$.MODULE$); zkClient.close(); }
Example #21
Source File: TopicTest.java From hermes with Apache License 2.0 | 6 votes |
@Test public void createTopicInTestEnv() { String ZOOKEEPER_CONNECT = ""; ZkClient zkClient = new ZkClient(new ZkConnection(ZOOKEEPER_CONNECT)); ZkUtils zkUtils = new ZkUtils(zkClient, new ZkConnection(ZOOKEEPER_CONNECT), false); zkClient.setZkSerializer(new ZKStringSerializer()); int partition = 1; int replication = 1; String topic = String.format("kafka.test_create_topic_p%s_r%s", partition, replication); if (AdminUtils.topicExists(zkUtils, topic)) { TopicMetadata topicMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkUtils); System.out.println(topicMetadata); AdminUtils.deleteTopic(zkUtils, topic); } AdminUtils.createTopic(zkUtils, topic, partition, replication, new Properties()); }
Example #22
Source File: KafkaProducer09IT.java From datacollector with Apache License 2.0 | 6 votes |
@BeforeClass public static void setUpClass() throws Exception { int zkConnectionTimeout = 6000; int zkSessionTimeout = 6000; zookeeper = new EmbeddedZookeeper(); zkConnect = String.format("127.0.0.1:%d", zookeeper.port()); zkUtils = ZkUtils.apply( zkConnect, zkSessionTimeout, zkConnectionTimeout, JaasUtils.isZkSecurityEnabled()); port = NetworkUtils.getRandomPort(); kafkaServer = TestUtil09.createKafkaServer(port, zkConnect); for (int i = 0; i < topics.length; i++) { topics[i] = UUID.randomUUID().toString(); AdminUtils.createTopic(zkUtils, topics[i], 1, 1, new Properties()); TestUtils.waitUntilMetadataIsPropagated( scala.collection.JavaConversions.asScalaBuffer(Arrays.asList(kafkaServer)), topics[i], 0, 5000); } }
Example #23
Source File: KafkaStormIntegrationTest.java From incubator-retired-pirk with Apache License 2.0 | 6 votes |
private void startKafka() throws Exception { FileUtils.deleteDirectory(new File(kafkaTmpDir)); Properties props = new Properties(); props.setProperty("zookeeper.session.timeout.ms", "100000"); props.put("advertised.host.name", "localhost"); props.put("port", 11111); // props.put("broker.id", "0"); props.put("log.dir", kafkaTmpDir); props.put("enable.zookeeper", "true"); props.put("zookeeper.connect", zookeeperLocalCluster.getConnectString()); KafkaConfig kafkaConfig = KafkaConfig.fromProps(props); kafkaLocalBroker = new KafkaServer(kafkaConfig, new SystemTime(), scala.Option.apply("kafkaThread")); kafkaLocalBroker.startup(); zkClient = new ZkClient(zookeeperLocalCluster.getConnectString(), 60000, 60000, ZKStringSerializer$.MODULE$); ZkUtils zkUtils = new ZkUtils(zkClient, new ZkConnection(zookeeperLocalCluster.getConnectString()), false); // ZkUtils zkUtils = ZkUtils.apply(zookeeperLocalCluster.getConnectString(), 60000, 60000, false); AdminUtils.createTopic(zkUtils, topic, 1, 1, new Properties()); }
Example #24
Source File: KafkaResourceController.java From pubsub with Apache License 2.0 | 6 votes |
@Override protected void startAction() throws Exception { ZkClient zookeeperClient = new ZkClient( KafkaFlags.getInstance().zookeeperIp, 15000, 10000, ZKStringSerializer$.MODULE$); ZkUtils zookeeperUtils = new ZkUtils(zookeeperClient, new ZkConnection(KafkaFlags.getInstance().zookeeperIp), false); try { deleteTopic(zookeeperUtils); AdminUtils.createTopic( zookeeperUtils, topic, KafkaFlags.getInstance().partitions, KafkaFlags.getInstance().replicationFactor, AdminUtils.createTopic$default$5(), AdminUtils.createTopic$default$6()); log.info("Created topic " + topic + "."); } finally { zookeeperClient.close(); } }
Example #25
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public void deleteTestTopic(String topic) { ZkUtils zkUtils = getZkUtils(); try { LOG.info("Deleting topic {}", topic); ZkClient zk = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")), Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer()); AdminUtils.deleteTopic(zkUtils, topic); zk.close(); } finally { zkUtils.close(); } }
Example #26
Source File: KafkaTransportProviderAdmin.java From brooklin with BSD 2-Clause "Simplified" License | 6 votes |
/** * Create Kafka topic based on the destination connection string, if it does not already exist. * @param connectionString connection string from which to obtain topic name * @param numberOfPartitions number of partitions * @param topicConfig topic config to use for topic creation */ public void createTopic(String connectionString, int numberOfPartitions, Properties topicConfig) { Validate.notNull(connectionString, "destination should not be null"); Validate.notNull(topicConfig, "topicConfig should not be null"); Validate.isTrue(_zkUtils.isPresent(), "zkUtils should be present"); String topicName = KafkaTransportProviderUtils.getTopicName(connectionString); populateTopicConfig(topicConfig); try { // Create only if it doesn't exist. if (!AdminUtils.topicExists(_zkUtils.get(), topicName)) { int replicationFactor = Integer.parseInt(topicConfig.getProperty("replicationFactor", DEFAULT_REPLICATION_FACTOR)); LOG.info("Creating topic with name {} partitions={} with properties {}", topicName, numberOfPartitions, topicConfig); AdminUtils.createTopic(_zkUtils.get(), topicName, numberOfPartitions, replicationFactor, topicConfig, RackAwareMode.Disabled$.MODULE$); } else { LOG.warn("Topic with name {} already exists", topicName); } } catch (Throwable e) { LOG.error("Creating topic {} failed with exception {}", topicName, e); throw e; } }
Example #27
Source File: KafkaAdminClient.java From data-highway with Apache License 2.0 | 6 votes |
public void createTopic(KafkaRoad road) throws KafkaException { Properties topicConfig = new Properties(defaultTopicConfig); topicConfig.setProperty(LEADER_THROTTLED_REPLICAS, WILDCARD); topicConfig.setProperty(FOLLOWER_THROTTLED_REPLICAS, WILDCARD); RoadType roadType = ofNullable(road.getType()).orElse(RoadType.NORMAL); switch (roadType) { case NORMAL: topicConfig.setProperty(TopicConfig.CLEANUP_POLICY_CONFIG, TopicConfig.CLEANUP_POLICY_DELETE); break; case COMPACT: topicConfig.setProperty(TopicConfig.CLEANUP_POLICY_CONFIG, TopicConfig.CLEANUP_POLICY_COMPACT); break; default: throw new KafkaException("Unhandled road type \"" + road.getType().name() + "\""); } AdminUtils .createTopic(zkUtils, road.getTopicName(), partitions, replicationFactor, topicConfig, DEFAULT_RACK_AWARE_MODE); log.info("Created {} topic {}", roadType, road.getTopicName()); }
Example #28
Source File: KafkaTestUtil.java From siddhi-io-kafka with Apache License 2.0 | 5 votes |
public static void createTopic(String connectionString, String topics[], int numOfPartitions) { ZkClient zkClient = new ZkClient(connectionString, 30000, 30000, ZKStringSerializer$.MODULE$); ZkConnection zkConnection = new ZkConnection(connectionString); ZkUtils zkUtils = new ZkUtils(zkClient, zkConnection, false); for (String topic : topics) { try { AdminUtils.createTopic(zkUtils, topic, numOfPartitions, 1, new Properties(), RackAwareMode.Enforced$.MODULE$); } catch (TopicExistsException e) { log.warn("topic exists for: " + topic); } } zkClient.close(); }
Example #29
Source File: Kafka09DataWriter.java From incubator-gobblin with Apache License 2.0 | 5 votes |
private void provisionTopic(String topicName,Config config) { String zooKeeperPropKey = KafkaWriterConfigurationKeys.CLUSTER_ZOOKEEPER; if(!config.hasPath(zooKeeperPropKey)) { log.debug("Topic "+topicName+" is configured without the partition and replication"); return; } String zookeeperConnect = config.getString(zooKeeperPropKey); int sessionTimeoutMs = ConfigUtils.getInt(config, KafkaWriterConfigurationKeys.ZOOKEEPER_SESSION_TIMEOUT, KafkaWriterConfigurationKeys.ZOOKEEPER_SESSION_TIMEOUT_DEFAULT); int connectionTimeoutMs = ConfigUtils.getInt(config, KafkaWriterConfigurationKeys.ZOOKEEPER_CONNECTION_TIMEOUT, KafkaWriterConfigurationKeys.ZOOKEEPER_CONNECTION_TIMEOUT_DEFAULT); // Note: You must initialize the ZkClient with ZKStringSerializer. If you don't, then // createTopic() will only seem to work (it will return without error). The topic will exist in // only ZooKeeper and will be returned when listing topics, but Kafka itself does not create the // topic. ZkClient zkClient = new ZkClient(zookeeperConnect, sessionTimeoutMs, connectionTimeoutMs, ZKStringSerializer$.MODULE$); // Security for Kafka was added in Kafka 0.9.0.0 ZkUtils zkUtils = new ZkUtils(zkClient, new ZkConnection(zookeeperConnect), false); int partitions = ConfigUtils.getInt(config, KafkaWriterConfigurationKeys.PARTITION_COUNT, KafkaWriterConfigurationKeys.PARTITION_COUNT_DEFAULT); int replication = ConfigUtils.getInt(config, KafkaWriterConfigurationKeys.REPLICATION_COUNT, KafkaWriterConfigurationKeys.PARTITION_COUNT_DEFAULT); Properties topicConfig = new Properties(); if(AdminUtils.topicExists(zkUtils, topicName)) { log.debug("Topic"+topicName+" already Exists with replication: "+replication+" and partitions :"+partitions); return; } try { AdminUtils.createTopic(zkUtils, topicName, partitions, replication, topicConfig); } catch (RuntimeException e) { throw new RuntimeException(e); } log.info("Created Topic "+topicName+" with replication: "+replication+" and partitions :"+partitions); }
Example #30
Source File: CompositeTransactionManagerKafkaImpl.java From microservices-transactions-tcc with Apache License 2.0 | 5 votes |
@Override public void open(String txId) { // Add topic configuration here Properties topicConfig = new Properties(); AdminUtils.createTopic(zkUtils, txId, zooPartitions, zooReplication, topicConfig, RackAwareMode.Enforced$.MODULE$); }