org.apache.kafka.common.utils.SystemTime Java Examples

/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
    kafkaBroker = new TestKafkaBroker();

    for (String topic : TOPICS)
        kafkaBroker.createTopic(topic, PARTITIONS, REPLICATION_FACTOR);

    Map<String, String> props = makeWorkerProps();
    WorkerConfig workerCfg = new StandaloneConfig(props);

    OffsetBackingStore offBackingStore = mock(OffsetBackingStore.class);
    offBackingStore.configure(workerCfg);

    worker = new Worker(WORKER_ID, new SystemTime(), new Plugins(props), workerCfg, offBackingStore);
    worker.start();

    herder = new StandaloneHerder(worker, ConnectUtils.lookupKafkaClusterId(workerCfg));
    herder.start();
}
 

/**
 * Creates and starts an embedded Kafka broker.
 *
 * @param config Broker configuration settings.  Used to modify, for example, the listeners
 *               the broker should use.  Note that you cannot change some settings such as
 *               `log.dirs`.
 */
public KafkaEmbedded(final Properties config) throws IOException {
  this.tmpFolder = new TemporaryFolder();
  this.tmpFolder.create();
  this.logDir = tmpFolder.newFolder();
  this.effectiveConfig = effectiveConfigFrom(config, logDir);

  final KafkaConfig kafkaConfig = new KafkaConfig(effectiveConfig, true);
  log.debug("Starting embedded Kafka broker (with log.dirs={} and ZK ensemble at {}) ...",
      logDir, zookeeperConnect());

  kafka = TestUtils.createServer(kafkaConfig, new SystemTime());
  log.debug("Startup of embedded Kafka broker at {} completed (with ZK ensemble at {}) ...",
      brokerList(), zookeeperConnect());
}
 

public static void initialize() {
  MetricConfig metricConfig = new MetricConfig()
      .samples(100)
      .timeWindow(
          1000,
          TimeUnit.MILLISECONDS
      );
  List<MetricsReporter> reporters = new ArrayList<>();
  reporters.add(new JmxReporter("io.confluent.ksql.metrics"));
  // Replace all static contents other than Time to ensure they are cleaned for tests that are
  // not aware of the need to initialize/cleanup this test, in case test processes are reused.
  // Tests aware of the class clean everything up properly to get the state into a clean state,
  // a full, fresh instantiation here ensures something like KsqlEngineMetricsTest running after
  // another test that used MetricsCollector without running cleanUp will behave correctly.
  metrics = new Metrics(metricConfig, reporters, new SystemTime());
  collectorMap = new ConcurrentHashMap<>();
}
 

public ConsumerService() {

        thread = new Thread(() -> {
            consumer();
        }, name + "consumer-service");

        Properties props = ConfigService.getKafkaConsumerConf();
        MONITOR_TOPIC = ConfigService.monitorConfig.getMonitorTopic();

        consumer = new MonitorConsumer(MONITOR_TOPIC, props);

        MetricConfig metricConfig = new MetricConfig().samples(60).timeWindow(1000, TimeUnit.MILLISECONDS);
        List<MetricsReporter> reporterList = new ArrayList<>();
        reporterList.add(new JmxReporter("kmf.services"));
        Metrics metrics = new Metrics(metricConfig, reporterList, new SystemTime());
        Map<String, String> tags = new HashMap<>();
        tags.put("name", "monitor");
        sensor = new ConsumerMetrics(metrics, tags);
    }
 

/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
    kafkaBroker = new TestKafkaBroker();

    Map<String, String> props = makeWorkerProps();
    WorkerConfig workerCfg = new StandaloneConfig(props);

    MemoryOffsetBackingStore offBackingStore = new MemoryOffsetBackingStore();
    offBackingStore.configure(workerCfg);

    worker = new Worker(WORKER_ID, new SystemTime(), new Plugins(props), workerCfg, offBackingStore);
    worker.start();

    herder = new StandaloneHerder(worker, ConnectUtils.lookupKafkaClusterId(workerCfg));
    herder.start();
}
 

public ClusterTopicManipulationService(String name, AdminClient adminClient) {
  LOGGER.info("ClusterTopicManipulationService constructor initiated {}", this.getClass().getName());

  _isOngoingTopicCreationDone = true;
  _isOngoingTopicDeletionDone = true;
  _adminClient = adminClient;
  _executor = Executors.newSingleThreadScheduledExecutor();
  _reportIntervalSecond = Duration.ofSeconds(1);
  _running = new AtomicBoolean(false);
  _configDefinedServiceName = name;
  // TODO: instantiate a new instance of ClusterTopicManipulationMetrics(..) here.

  MetricConfig metricConfig = new MetricConfig().samples(60).timeWindow(1000, TimeUnit.MILLISECONDS);
  List<MetricsReporter> reporters = new ArrayList<>();
  reporters.add(new JmxReporter(Service.JMX_PREFIX));
  Metrics metrics = new Metrics(metricConfig, reporters, new SystemTime());

  Map<String, String> tags = new HashMap<>();
  tags.put("name", name);
  _clusterTopicManipulationMetrics = new ClusterTopicManipulationMetrics(metrics, tags);
}
 

public ConnectEmbedded(Properties workerConfig, Properties... connectorConfigs) throws Exception {
    Time time = new SystemTime();
    DistributedConfig config = new DistributedConfig(Utils.propsToStringMap(workerConfig));

    KafkaOffsetBackingStore offsetBackingStore = new KafkaOffsetBackingStore();
    offsetBackingStore.configure(config);

    //not sure if this is going to work but because we don't have advertised url we can get at least a fairly random
    String workerId = UUID.randomUUID().toString();
    worker = new Worker(workerId, time, config, offsetBackingStore);

    StatusBackingStore statusBackingStore = new KafkaStatusBackingStore(time, worker.getInternalValueConverter());
    statusBackingStore.configure(config);

    ConfigBackingStore configBackingStore = new KafkaConfigBackingStore(worker.getInternalValueConverter());
    configBackingStore.configure(config);

    //advertisedUrl = "" as we don't have the rest server - hopefully this will not break anything
    herder = new DistributedHerder(config, time, worker, statusBackingStore, configBackingStore, "");
    this.connectorConfigs = connectorConfigs;

    shutdownHook = new ShutdownHook();
}
 

/**
 * XinfraMonitor constructor creates apps and services for each of the individual clusters (properties) that's passed in.
 * For example, if there are 10 clusters to be monitored, then this Constructor will create 10 * num_apps_per_cluster
 * and 10 * num_services_per_cluster.
 * @param allClusterProps the properties of ALL kafka clusters for which apps and services need to be appended.
 * @throws Exception when exception occurs while assigning Apps and Services
 */

@SuppressWarnings({"rawtypes"})
public XinfraMonitor(Map<String, Map> allClusterProps) throws Exception {
  _apps = new ConcurrentHashMap<>();
  _services = new ConcurrentHashMap<>();

  for (Map.Entry<String, Map> clusterProperty : allClusterProps.entrySet()) {
    String name = clusterProperty.getKey();
    Map props = clusterProperty.getValue();
    if (!props.containsKey(XinfraMonitorConstants.CLASS_NAME_CONFIG))
      throw new IllegalArgumentException(name + " is not configured with " + XinfraMonitorConstants.CLASS_NAME_CONFIG);
    String className = (String) props.get(XinfraMonitorConstants.CLASS_NAME_CONFIG);

    Class<?> aClass = Class.forName(className);
    if (App.class.isAssignableFrom(aClass)) {
      App clusterApp = (App) Class.forName(className).getConstructor(Map.class, String.class).newInstance(props, name);
      _apps.put(name, clusterApp);
    } else if (Service.class.isAssignableFrom(aClass)) {
      ServiceFactory serviceFactory = (ServiceFactory) Class.forName(className + XinfraMonitorConstants.FACTORY)
          .getConstructor(Map.class, String.class)
          .newInstance(props, name);
      Service service = serviceFactory.createService();
      _services.put(name, service);
    } else {
      throw new IllegalArgumentException(className + " should implement either " + App.class.getSimpleName() + " or " + Service.class.getSimpleName());
    }
  }
  _executor = Executors.newSingleThreadScheduledExecutor();
  _offlineRunnables = new ConcurrentHashMap<>();
  List<MetricsReporter> reporters = new ArrayList<>();
  reporters.add(new JmxReporter(XinfraMonitorConstants.JMX_PREFIX));
  Metrics metrics = new Metrics(new MetricConfig(), reporters, new SystemTime());
  metrics.addMetric(metrics.metricName("offline-runnable-count", XinfraMonitorConstants.METRIC_GROUP_NAME, "The number of Service/App that are not fully running"),
    (config, now) -> _offlineRunnables.size());
}
 

private KafkaServer startBroker(Properties props) {
    List<KafkaMetricsReporter> kmrList = new ArrayList<>();
    Buffer<KafkaMetricsReporter> metricsList = scala.collection.JavaConversions.asScalaBuffer(kmrList);
    KafkaServer server = new KafkaServer(new KafkaConfig(props), new SystemTime(), Option.<String>empty(), metricsList);
    server.startup();
    return server;
}
 

/**
 * Sets up test Kafka broker.
 *
 * @throws IOException If failed.
 */
private void setupKafkaServer() throws IOException {
    kafkaCfg = new KafkaConfig(getKafkaConfig());

    kafkaSrv = TestUtils.createServer(kafkaCfg, new SystemTime());

    kafkaSrv.startup();
}
 

/**
 * Mainly contains services for three metrics:
 * 1 - ConsumeAvailability metrics
 * 2 - CommitOffsetAvailability metrics
 *   2.1 - commitAvailabilityMetrics records offsets committed upon success. that is, no exception upon callback
 *   2.2 - commitAvailabilityMetrics records offsets commit fail upon failure. that is, exception upon callback
 * 3 - CommitOffsetLatency metrics
 *   3.1 - commitLatencyMetrics records the latency between last successful callback and start of last recorded commit.
 *
 * @param name Name of the Monitor instance
 * @param topicPartitionResult The completable future for topic partition
 * @param consumerFactory Consumer Factory object.
 * @throws ExecutionException when attempting to retrieve the result of a task that aborted by throwing an exception
 * @throws InterruptedException when a thread is waiting, sleeping, or otherwise occupied and the thread is interrupted
 */
public ConsumeService(String name,
                      CompletableFuture<Void> topicPartitionResult,
                      ConsumerFactory consumerFactory)
    throws ExecutionException, InterruptedException {
  _baseConsumer = consumerFactory.baseConsumer();
  _latencySlaMs = consumerFactory.latencySlaMs();
  _name = name;
  _adminClient = consumerFactory.adminClient();
  _running = new AtomicBoolean(false);

  // Returns a new CompletionStage (topicPartitionFuture) which
  // executes the given action - code inside run() - when this stage (topicPartitionResult) completes normally,.
  CompletableFuture<Void> topicPartitionFuture = topicPartitionResult.thenRun(() -> {
    MetricConfig metricConfig = new MetricConfig().samples(60).timeWindow(1000, TimeUnit.MILLISECONDS);
    List<MetricsReporter> reporters = new ArrayList<>();
    reporters.add(new JmxReporter(JMX_PREFIX));
    metrics = new Metrics(metricConfig, reporters, new SystemTime());
    tags = new HashMap<>();
    tags.put(TAGS_NAME, name);
    _topic = consumerFactory.topic();
    _sensors = new ConsumeMetrics(metrics, tags, consumerFactory.latencyPercentileMaxMs(),
        consumerFactory.latencyPercentileGranularityMs());
    _commitLatencyMetrics = new CommitLatencyMetrics(metrics, tags, consumerFactory.latencyPercentileMaxMs(),
        consumerFactory.latencyPercentileGranularityMs());
    _commitAvailabilityMetrics = new CommitAvailabilityMetrics(metrics, tags);
    _consumeThread = new Thread(() -> {
      try {
        consume();
      } catch (Exception e) {
        LOG.error(name + "/ConsumeService failed", e);
      }
    }, name + " consume-service");
    _consumeThread.setDaemon(true);
  });

  // In a blocking fashion, waits for this topicPartitionFuture to complete, and then returns its result.
  topicPartitionFuture.get();
}
 

/**
 * Construct the abstract auditor.
 */
public AbstractAuditor() {
  super();
  this.setUncaughtExceptionHandler((t, e) -> LOG.error("Auditor died to unhandled exception", e));
  this.setDaemon(true);
  _time = new SystemTime();
}
 

JkesDocumentDeleter(
        JestClient client,
        boolean ignoreSchema,
        Set<String> ignoreSchemaTopics,
        String versionType,
        long flushTimeoutMs,
        int maxBufferedRecords,
        int maxInFlightRequests,
        int batchSize,
        long lingerMs,
        int maxRetries,
        long retryBackoffMs
) {
  this.client = client;
  this.ignoreSchema = ignoreSchema;
  this.ignoreSchemaTopics = ignoreSchemaTopics;
  this.versionType = versionType;
  this.flushTimeoutMs = flushTimeoutMs;

  bulkProcessor = new BulkProcessor<>(
          new SystemTime(),
          new BulkDeletingClient(client),
          maxBufferedRecords,
          maxInFlightRequests,
          batchSize,
          lingerMs,
          maxRetries,
          retryBackoffMs
  );

  existingMappings = new HashSet<>();
}
 

@Test
public void testStateChangeSequences() {
  TopicPartition tp = new TopicPartition("topic", 0);
  ExecutionTaskManager taskManager = new ExecutionTaskManager(null, new MetricRegistry(), new SystemTime(),
          new KafkaCruiseControlConfig(KafkaCruiseControlUnitTestUtils.getKafkaCruiseControlProperties()));

  List<List<ExecutionTask.State>> testSequences = new ArrayList<>();
  // Completed successfully.
  testSequences.add(Arrays.asList(IN_PROGRESS, COMPLETED));
  // Rollback succeeded.
  testSequences.add(Arrays.asList(IN_PROGRESS, ABORTING, ABORTED));
  // Rollback failed.
  testSequences.add(Arrays.asList(IN_PROGRESS, ABORTING, DEAD));
  // Cannot rollback.
  testSequences.add(Arrays.asList(IN_PROGRESS, DEAD));

  ReplicaPlacementInfo r0 = new ReplicaPlacementInfo(0);
  ReplicaPlacementInfo r1 = new ReplicaPlacementInfo(1);
  ReplicaPlacementInfo r2 = new ReplicaPlacementInfo(2);
  for (List<ExecutionTask.State> sequence : testSequences) {
    taskManager.clear();
    // Make sure the proposal does not involve leader movement.
    ExecutionProposal proposal =
        new ExecutionProposal(tp, 10, r2, Arrays.asList(r0, r2), Arrays.asList(r2, r1));

    taskManager.setExecutionModeForTaskTracker(false);
    taskManager.addExecutionProposals(Collections.singletonList(proposal),
                                      Collections.emptySet(),
                                      generateExpectedCluster(proposal, tp),
                                      null);
    taskManager.setRequestedInterBrokerPartitionMovementConcurrency(null);
    taskManager.setRequestedIntraBrokerPartitionMovementConcurrency(null);
    taskManager.setRequestedLeadershipMovementConcurrency(null);
    List<ExecutionTask> tasks = taskManager.getInterBrokerReplicaMovementTasks();
    assertEquals(1, tasks.size());
    ExecutionTask task  = tasks.get(0);
    verifyStateChangeSequence(sequence, task, taskManager);
  }
}
 

public KafkaStore(
    String bootstrapServers,
    Serializer<K, V> serializer,
    String topic,
    Collection<StoreUpdateObserver<K, V>> observers) {
  this(bootstrapServers, serializer, topic, observers, new SystemTime(), emptyMap(), emptyMap());
}
 

public KafkaStore(
    String bootstrapServers,
    Serializer<K, V> serializer,
    String topic,
    Map<String, Object> additionalProducerProps,
    Map<String, Object> additionalConsumerProps) {
  this(bootstrapServers, serializer, topic, emptyList(), new SystemTime(), additionalProducerProps,
      additionalConsumerProps);
}
 

public ProduceService() {

        Properties properties = ConfigService.getZkProper();
        zkConnect = properties.getProperty(ZooConfig.HOST);
        MONITOR_TOPIC = ConfigService.monitorConfig.getMonitorTopic();

        produceExecutor = Executors.newScheduledThreadPool(4, r -> new Thread(r, "produce-service"));
        partitionHandlerExecutor = Executors.newSingleThreadScheduledExecutor(r -> new Thread(r, "partition-change-handler"));
        partitionNum = new AtomicInteger(1);
        currentPartition = new ConcurrentHashMap<>();

        MetricConfig metricConfig = new MetricConfig().samples(60).timeWindow(100, TimeUnit.MILLISECONDS);
        List<MetricsReporter> reporters = new ArrayList<>();
        reporters.add(new JmxReporter("kmf.services"));
        Metrics metrics = new Metrics(metricConfig, reporters, new SystemTime());
        Map<String, String> tags = new HashMap<>();
        tags.put("name", "test");
        produceMetrics = new ProduceMetrics(metrics, tags);

        int existingPartitionCount = Utils.getPartitionNumByTopic(zkConnect, MONITOR_TOPIC);
        if (existingPartitionCount > 0) {
            partitionNum.set(existingPartitionCount);
        }

        initialProducer();

    }
 

@Test
public void testNoPreComputingThread() {
  Properties props = new Properties();
  props.setProperty(MonitorConfig.BOOTSTRAP_SERVERS_CONFIG, "bootstrap.servers");
  props.setProperty(ExecutorConfig.ZOOKEEPER_CONNECT_CONFIG, "connect:1234");
  props.setProperty(AnalyzerConfig.NUM_PROPOSAL_PRECOMPUTE_THREADS_CONFIG, "0");
  props.setProperty(AnalyzerConfig.DEFAULT_GOALS_CONFIG, TestConstants.DEFAULT_GOALS_VALUES);
  KafkaCruiseControlConfig config = new KafkaCruiseControlConfig(props);

  GoalOptimizer goalOptimizer = new GoalOptimizer(config, EasyMock.mock(LoadMonitor.class), new SystemTime(),
                                                  new MetricRegistry(), EasyMock.mock(Executor.class));
  // Should exit immediately.
  goalOptimizer.run();
}
 

/**
 * Construct the Cruise Control
 *
 * @param config the configuration of Cruise Control.
 */
public KafkaCruiseControl(KafkaCruiseControlConfig config, MetricRegistry dropwizardMetricRegistry) {
  _config = config;
  _time = new SystemTime();
  // initialize some of the static state of Kafka Cruise Control;
  ModelUtils.init(config);
  ModelParameters.init(config);

  // Instantiate the components.
  _anomalyDetector = new AnomalyDetector(this, _time, dropwizardMetricRegistry);
  _executor = new Executor(config, _time, dropwizardMetricRegistry, _anomalyDetector);
  _loadMonitor = new LoadMonitor(config, _time, _executor, dropwizardMetricRegistry, KafkaMetricDef.commonMetricDef());
  _goalOptimizerExecutor = Executors.newSingleThreadExecutor(new KafkaCruiseControlThreadFactory("GoalOptimizerExecutor", true, null));
  _goalOptimizer = new GoalOptimizer(config, _loadMonitor, _time, dropwizardMetricRegistry, _executor);
}
 

/**
 * Package private constructor for unit test.
 */
AnomalyDetector(PriorityBlockingQueue<Anomaly> anomalies,
                AdminClient adminClient,
                long anomalyDetectionIntervalMs,
                KafkaCruiseControl kafkaCruiseControl,
                AnomalyNotifier anomalyNotifier,
                GoalViolationDetector goalViolationDetector,
                BrokerFailureDetector brokerFailureDetector,
                MetricAnomalyDetector metricAnomalyDetector,
                DiskFailureDetector diskFailureDetector,
                TopicAnomalyDetector topicAnomalyDetector,
                ScheduledExecutorService detectorScheduler) {
  _anomalies = anomalies;
  _adminClient = adminClient;
  _anomalyDetectionIntervalMsByType = new HashMap<>(KafkaAnomalyType.cachedValues().size() - 1);
  KafkaAnomalyType.cachedValues().stream().filter(type -> type != BROKER_FAILURE)
                  .forEach(type -> _anomalyDetectionIntervalMsByType.put(type, anomalyDetectionIntervalMs));

  _brokerFailureDetectionBackoffMs = anomalyDetectionIntervalMs;
  _anomalyNotifier = anomalyNotifier;
  _goalViolationDetector = goalViolationDetector;
  _brokerFailureDetector = brokerFailureDetector;
  _metricAnomalyDetector = metricAnomalyDetector;
  _diskFailureDetector = diskFailureDetector;
  _topicAnomalyDetector = topicAnomalyDetector;
  _kafkaCruiseControl = kafkaCruiseControl;
  _detectorScheduler = detectorScheduler;
  _shutdown = false;
  _selfHealingGoals = Collections.emptyList();
  _anomalyLoggerExecutor =
      Executors.newSingleThreadScheduledExecutor(new KafkaCruiseControlThreadFactory("AnomalyLogger", true, null));
  _anomalyInProgress = null;
  _numCheckedWithDelay = new AtomicLong();
  _shutdownLock = new Object();
  // Add anomaly detector state
  _anomalyDetectorState = new AnomalyDetectorState(new SystemTime(), new HashMap<>(KafkaAnomalyType.cachedValues().size()), 10, null);
}
 

@Before
public void before() {

    try {


        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
        kafkaProps.setProperty("host.name", "localhost");
        kafkaProps.setProperty("port", port + "");

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "1"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);

    } catch (Exception e) {
    }
}
 

@Before
public void setUp() throws Exception {

    try {

    zkServer = new EmbeddedZookeeper();
    zkConnect = String.format("localhost:%d", zkServer.port());
    ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
            JaasUtils.isZkSecurityEnabled());
    zkClient = zkUtils.zkClient();

    Time mock = new SystemTime();
    final Option<File> noFile = scala.Option.apply(null);
    final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
    final Option<Properties> noPropertiesOption = scala.Option.apply(null);
    final Option<String> noStringOption = scala.Option.apply(null);

    kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
            false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
            false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
            false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

    kafkaProps.setProperty("auto.create.topics.enable", "true");
    kafkaProps.setProperty("num.partitions", "1");
    // We *must* override this to use the port we allocated (Kafka currently
    // allocates one port
    // that it always uses for ZK
    kafkaProps.setProperty("zookeeper.connect", this.zkConnect);

    KafkaConfig config = new KafkaConfig(kafkaProps);
    kafkaServer = TestUtils.createServer(config, mock);

    // create topic
    TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
            new String[]{"--create", "--topic", topic,
                    "--replication-factor", "1", "--partitions", "2"});

    TopicCommand.createTopic(zkUtils, options);

    List<KafkaServer> servers = new ArrayList<KafkaServer>();
    servers.add(kafkaServer);
    TestUtils.waitUntilMetadataIsPropagated(
            scala.collection.JavaConversions.asScalaBuffer(servers), topic,
            0, 5000);
    } catch (Exception e) {
    }
}
 

@Before
public void before() {

    try {


        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
        kafkaProps.setProperty("host.name", "localhost");
        kafkaProps.setProperty("port", port + "");

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "1"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);
    } catch (Exception e) {
    }
}
 

@Before
public void before() {

    try {


        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
        kafkaProps.setProperty("host.name", "localhost");
        kafkaProps.setProperty("port", port + "");

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "1"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);

    } catch (Exception e) {
    }
}
 

@Before
public void before() {

    try {


        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
        kafkaProps.setProperty("host.name", "localhost");
        kafkaProps.setProperty("port", port + "");

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "1"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);
    } catch (Exception e) {
    }
}
 

@Before
public void before() {

    try {
        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);

        KafkaConfig config = new KafkaConfig(kafkaProps);
        Time mock = new SystemTime();
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "1"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);
    } catch (Exception e) {

    }
}
 

@Before
public void before() {

    try {

        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
        kafkaProps.setProperty("host.name", "localhost");
        kafkaProps.setProperty("port", port + "");

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "1"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);
    } catch (Exception e) {
    }
}
 

@Before
public void setUp() throws Exception {

    try {

        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "1"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);
    } catch (Exception e) {

    }
}
 

@Before
public void setUp() throws Exception {

    try {


        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());

        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "4"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);
    } catch (Exception e) {
    }
}
 

@Before
public void before() {

    try {

        zkServer = new EmbeddedZookeeper();
        zkConnect = String.format("localhost:%d", zkServer.port());
        ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
                JaasUtils.isZkSecurityEnabled());
        zkClient = zkUtils.zkClient();

        Time mock = new SystemTime();
        final Option<File> noFile = scala.Option.apply(null);
        final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
        final Option<Properties> noPropertiesOption = scala.Option.apply(null);
        final Option<String> noStringOption = scala.Option.apply(null);

        kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
                false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
                false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
                false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
        kafkaProps.setProperty("auto.create.topics.enable", "true");
        kafkaProps.setProperty("num.partitions", "1");
        // We *must* override this to use the port we allocated (Kafka currently
        // allocates one port
        // that it always uses for ZK
        kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
        kafkaProps.setProperty("host.name", "localhost");
        kafkaProps.setProperty("port", port + "");

        KafkaConfig config = new KafkaConfig(kafkaProps);
        kafkaServer = TestUtils.createServer(config, mock);

        // create topic
        TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
                new String[]{"--create", "--topic", topic,
                        "--replication-factor", "1", "--partitions", "4"});

        TopicCommand.createTopic(zkUtils, options);

        List<KafkaServer> servers = new ArrayList<KafkaServer>();
        servers.add(kafkaServer);
        TestUtils.waitUntilMetadataIsPropagated(
                scala.collection.JavaConversions.asScalaBuffer(servers), topic,
                0, 5000);
    } catch (Exception e) {
    }
}