Examples with ZKClientModule co.cask.cdap.common.guice.ZKClientModule used on opensource projects

Example 1 with ZKClientModule

use of co.cask.cdap.common.guice.ZKClientModule in project cdap by caskdata.

the class ResourceCoordinatorTest method testAssignment.

@Test
public void testAssignment() throws InterruptedException, ExecutionException {
    CConfiguration cConf = CConfiguration.create();
    cConf.set(Constants.Zookeeper.QUORUM, zkServer.getConnectionStr());
    String serviceName = "test-assignment";
    Injector injector = Guice.createInjector(new ConfigModule(cConf), new ZKClientModule(), new DiscoveryRuntimeModule().getDistributedModules());
    ZKClientService zkClient = injector.getInstance(ZKClientService.class);
    zkClient.startAndWait();
    DiscoveryService discoveryService = injector.getInstance(DiscoveryService.class);
    try {
        ResourceCoordinator coordinator = new ResourceCoordinator(zkClient, injector.getInstance(DiscoveryServiceClient.class), new BalancedAssignmentStrategy());
        coordinator.startAndWait();
        try {
            ResourceCoordinatorClient client = new ResourceCoordinatorClient(zkClient);
            client.startAndWait();
            try {
                // Create a requirement
                ResourceRequirement requirement = ResourceRequirement.builder(serviceName).addPartitions("p", 5, 1).build();
                client.submitRequirement(requirement).get();
                // Fetch the requirement, just to verify it's the same as the one get submitted.
                Assert.assertEquals(requirement, client.fetchRequirement(requirement.getName()).get());
                // Register a discovery endpoint
                final Discoverable discoverable1 = createDiscoverable(serviceName, 10000);
                Cancellable cancelDiscoverable1 = discoveryService.register(ResolvingDiscoverable.of(discoverable1));
                // Add a change handler for this discoverable.
                final BlockingQueue<Collection<PartitionReplica>> assignmentQueue = new SynchronousQueue<>();
                final Semaphore finishSemaphore = new Semaphore(0);
                Cancellable cancelSubscribe1 = subscribe(client, discoverable1, assignmentQueue, finishSemaphore);
                // Assert that it received the changes.
                Collection<PartitionReplica> assigned = assignmentQueue.poll(30, TimeUnit.SECONDS);
                Assert.assertNotNull(assigned);
                Assert.assertEquals(5, assigned.size());
                // Unregister from discovery, the handler should receive a change with empty collection
                cancelDiscoverable1.cancel();
                Assert.assertTrue(assignmentQueue.poll(30, TimeUnit.SECONDS).isEmpty());
                // Register to discovery again, would receive changes.
                cancelDiscoverable1 = discoveryService.register(ResolvingDiscoverable.of(discoverable1));
                assigned = assignmentQueue.poll(30, TimeUnit.SECONDS);
                Assert.assertNotNull(assigned);
                Assert.assertEquals(5, assigned.size());
                // Register another discoverable
                final Discoverable discoverable2 = createDiscoverable(serviceName, 10001);
                Cancellable cancelDiscoverable2 = discoveryService.register(ResolvingDiscoverable.of(discoverable2));
                // Changes should be received by the handler, with only 3 resources,
                // as 2 out of 5 should get moved to the new discoverable.
                assigned = assignmentQueue.poll(30, TimeUnit.SECONDS);
                Assert.assertNotNull(assigned);
                Assert.assertEquals(3, assigned.size());
                // Cancel the first discoverable again, should expect empty result.
                // This also make sure the latest assignment get cached in the ResourceCoordinatorClient.
                // It is the the next test step.
                cancelDiscoverable1.cancel();
                Assert.assertTrue(assignmentQueue.poll(30, TimeUnit.SECONDS).isEmpty());
                // Cancel the handler.
                cancelSubscribe1.cancel();
                Assert.assertTrue(finishSemaphore.tryAcquire(2, TimeUnit.SECONDS));
                // Subscribe to changes for the second discoverable,
                // it should see the latest assignment, even though no new fetch from ZK is triggered.
                Cancellable cancelSubscribe2 = subscribe(client, discoverable2, assignmentQueue, finishSemaphore);
                assigned = assignmentQueue.poll(30, TimeUnit.SECONDS);
                Assert.assertNotNull(assigned);
                Assert.assertEquals(5, assigned.size());
                // Update the requirement to be an empty requirement, the handler should receive an empty collection
                client.submitRequirement(ResourceRequirement.builder(serviceName).build());
                Assert.assertTrue(assignmentQueue.poll(30, TimeUnit.SECONDS).isEmpty());
                // Update the requirement to have one partition, the handler should receive one resource
                client.submitRequirement(ResourceRequirement.builder(serviceName).addPartitions("p", 1, 1).build());
                assigned = assignmentQueue.poll(30, TimeUnit.SECONDS);
                Assert.assertNotNull(assigned);
                Assert.assertEquals(1, assigned.size());
                // Delete the requirement, the handler should receive a empty collection
                client.deleteRequirement(requirement.getName());
                Assert.assertTrue(assignmentQueue.poll(30, TimeUnit.SECONDS).isEmpty());
                // Cancel the second handler.
                cancelSubscribe2.cancel();
                Assert.assertTrue(finishSemaphore.tryAcquire(2, TimeUnit.SECONDS));
                cancelDiscoverable2.cancel();
            } finally {
                client.stopAndWait();
            }
        } finally {
            coordinator.stopAndWait();
        }
    } finally {
        zkClient.stopAndWait();
    }
}

Example 2 with ZKClientModule

use of co.cask.cdap.common.guice.ZKClientModule in project cdap by caskdata.

the class LeaderElectionMessagingServiceTest method createInjector.

private Injector createInjector(int instanceId) {
    CConfiguration cConf = CConfiguration.copy(LeaderElectionMessagingServiceTest.cConf);
    cConf.setInt(Constants.MessagingSystem.CONTAINER_INSTANCE_ID, instanceId);
    return Guice.createInjector(new ConfigModule(cConf), new ZKClientModule(), new DiscoveryRuntimeModule().getDistributedModules(), new LocationRuntimeModule().getDistributedModules(), new AbstractModule() {

        @Override
        protected void configure() {
            // Bindings to services for testing only
            bind(MetricsCollectionService.class).to(NoOpMetricsCollectionService.class);
            // Use the same in memory client across all injectors.
            bind(NamespaceQueryAdmin.class).toInstance(namespaceQueryAdmin);
        }
    }, new PrivateModule() {

        @Override
        protected void configure() {
            // This is very similar to bindings in distributed mode, except we bind to level db instead of HBase
            // Also the level DB has to be one instance since unit-test runs in the same process.
            bind(TableFactory.class).annotatedWith(Names.named(CachingTableFactory.DELEGATE_TABLE_FACTORY)).toInstance(levelDBTableFactory);
            // The cache must be in singleton scope
            bind(MessageTableCacheProvider.class).to(DefaultMessageTableCacheProvider.class).in(Scopes.SINGLETON);
            bind(TableFactory.class).to(CachingTableFactory.class);
            // Bind http handlers
            MessagingServerRuntimeModule.bindHandlers(binder(), Constants.MessagingSystem.HANDLER_BINDING_NAME);
            bind(MessagingService.class).to(LeaderElectionMessagingService.class).in(Scopes.SINGLETON);
            expose(MessagingService.class);
        }
    });
}

Example 3 with ZKClientModule

use of co.cask.cdap.common.guice.ZKClientModule in project cdap by caskdata.

the class StandaloneMain method createPersistentModules.

private static List<Module> createPersistentModules(CConfiguration cConf, Configuration hConf) {
    cConf.setIfUnset(Constants.CFG_DATA_LEVELDB_DIR, Constants.DEFAULT_DATA_LEVELDB_DIR);
    cConf.set(Constants.CFG_DATA_INMEMORY_PERSISTENCE, Constants.InMemoryPersistenceType.LEVELDB.name());
    // configure all services except for router and auth to bind to 127.0.0.1
    String localhost = InetAddress.getLoopbackAddress().getHostAddress();
    cConf.set(Constants.Service.MASTER_SERVICES_BIND_ADDRESS, localhost);
    cConf.set(Constants.Transaction.Container.ADDRESS, localhost);
    cConf.set(Constants.Dataset.Executor.ADDRESS, localhost);
    cConf.set(Constants.Stream.ADDRESS, localhost);
    cConf.set(Constants.Metrics.ADDRESS, localhost);
    cConf.set(Constants.MetricsProcessor.ADDRESS, localhost);
    cConf.set(Constants.LogSaver.ADDRESS, localhost);
    cConf.set(Constants.Explore.SERVER_ADDRESS, localhost);
    cConf.set(Constants.Metadata.SERVICE_BIND_ADDRESS, localhost);
    cConf.set(Constants.Preview.ADDRESS, localhost);
    return ImmutableList.of(new ConfigModule(cConf, hConf), new IOModule(), new ZKClientModule(), new KafkaClientModule(), new MetricsHandlerModule(), new DiscoveryRuntimeModule().getStandaloneModules(), new LocationRuntimeModule().getStandaloneModules(), new ProgramRunnerRuntimeModule().getStandaloneModules(), new DataFabricModules(StandaloneMain.class.getName()).getStandaloneModules(), new DataSetsModules().getStandaloneModules(), new DataSetServiceModules().getStandaloneModules(), new MetricsClientRuntimeModule().getStandaloneModules(), new LoggingModules().getStandaloneModules(), new LogReaderRuntimeModules().getStandaloneModules(), new RouterModules().getStandaloneModules(), new SecurityModules().getStandaloneModules(), new SecureStoreModules().getStandaloneModules(), new StreamServiceRuntimeModule().getStandaloneModules(), new ExploreRuntimeModule().getStandaloneModules(), new ServiceStoreModules().getStandaloneModules(), new ExploreClientModule(), new NotificationFeedServiceRuntimeModule().getStandaloneModules(), new NotificationServiceRuntimeModule().getStandaloneModules(), new ViewAdminModules().getStandaloneModules(), new StreamAdminModules().getStandaloneModules(), new NamespaceStoreModule().getStandaloneModules(), new MetadataServiceModule(), new RemoteSystemOperationsServiceModule(), new AuditModule().getStandaloneModules(), new AuthorizationModule(), new AuthorizationEnforcementModule().getStandaloneModules(), new PreviewHttpModule(), new MessagingServerRuntimeModule().getStandaloneModules(), new AppFabricServiceRuntimeModule().getStandaloneModules(), new OperationalStatsModule(), new ProvisionerModule());
}

Example 4 with ZKClientModule

use of co.cask.cdap.common.guice.ZKClientModule in project cdap by caskdata.

the class DFSStreamHeartbeatsTest method beforeClass.

@BeforeClass
public static void beforeClass() throws IOException {
    zkServer = InMemoryZKServer.builder().setDataDir(TEMP_FOLDER.newFolder()).build();
    zkServer.startAndWait();
    CConfiguration cConf = CConfiguration.create();
    cConf.set(Constants.Zookeeper.QUORUM, zkServer.getConnectionStr());
    cConf.setInt(Constants.Stream.CONTAINER_INSTANCE_ID, 0);
    cConf.set(Constants.CFG_LOCAL_DATA_DIR, TEMP_FOLDER.newFolder().getAbsolutePath());
    Injector injector = Guice.createInjector(Modules.override(new ZKClientModule(), new DataFabricModules().getInMemoryModules(), new ConfigModule(cConf, new Configuration()), new DiscoveryRuntimeModule().getInMemoryModules(), new NonCustomLocationUnitTestModule().getModule(), new ExploreClientModule(), new DataSetServiceModules().getInMemoryModules(), new DataSetsModules().getStandaloneModules(), new NotificationFeedServiceRuntimeModule().getInMemoryModules(), new NotificationServiceRuntimeModule().getInMemoryModules(), new MetricsClientRuntimeModule().getInMemoryModules(), new ViewAdminModules().getInMemoryModules(), new AuthorizationTestModule(), new AuthorizationEnforcementModule().getInMemoryModules(), new AuthenticationContextModules().getMasterModule(), // that performs heartbeats aggregation
    new StreamServiceRuntimeModule().getDistributedModules(), new StreamAdminModules().getInMemoryModules()).with(new AbstractModule() {

        @Override
        protected void configure() {
            bind(MetricsCollectionService.class).to(NoOpMetricsCollectionService.class);
            bind(StreamConsumerStateStoreFactory.class).to(LevelDBStreamConsumerStateStoreFactory.class).in(Singleton.class);
            bind(StreamAdmin.class).to(FileStreamAdmin.class).in(Singleton.class);
            bind(StreamConsumerFactory.class).to(LevelDBStreamFileConsumerFactory.class).in(Singleton.class);
            bind(StreamFileWriterFactory.class).to(LocationStreamFileWriterFactory.class).in(Singleton.class);
            bind(StreamFileJanitorService.class).to(LocalStreamFileJanitorService.class).in(Scopes.SINGLETON);
            bind(StreamMetaStore.class).to(InMemoryStreamMetaStore.class).in(Scopes.SINGLETON);
            bind(HeartbeatPublisher.class).to(MockHeartbeatPublisher.class).in(Scopes.SINGLETON);
            bind(UGIProvider.class).to(UnsupportedUGIProvider.class);
            bind(OwnerAdmin.class).to(DefaultOwnerAdmin.class);
            bind(NamespaceQueryAdmin.class).to(SimpleNamespaceQueryAdmin.class);
        }
    }));
    zkClient = injector.getInstance(ZKClientService.class);
    txManager = injector.getInstance(TransactionManager.class);
    datasetService = injector.getInstance(DatasetService.class);
    notificationService = injector.getInstance(NotificationService.class);
    streamHttpService = injector.getInstance(StreamHttpService.class);
    streamService = injector.getInstance(StreamService.class);
    heartbeatPublisher = (MockHeartbeatPublisher) injector.getInstance(HeartbeatPublisher.class);
    namespacedLocationFactory = injector.getInstance(NamespacedLocationFactory.class);
    streamAdmin = injector.getInstance(StreamAdmin.class);
    zkClient.startAndWait();
    txManager.startAndWait();
    datasetService.startAndWait();
    notificationService.startAndWait();
    streamHttpService.startAndWait();
    streamService.startAndWait();
    hostname = streamHttpService.getBindAddress().getHostName();
    port = streamHttpService.getBindAddress().getPort();
    Locations.mkdirsIfNotExists(namespacedLocationFactory.get(NamespaceId.DEFAULT));
}

Example 5 with ZKClientModule

use of co.cask.cdap.common.guice.ZKClientModule in project cdap by caskdata.

the class HBaseQueueTest method init.

@BeforeClass
public static void init() throws Exception {
    hConf = TEST_HBASE.getConfiguration();
    // Customize test configuration
    cConf = CConfiguration.create();
    cConf.set(Constants.Zookeeper.QUORUM, TEST_HBASE.getZkConnectionString());
    cConf.set(TxConstants.Service.CFG_DATA_TX_BIND_PORT, Integer.toString(Networks.getRandomPort()));
    cConf.set(Constants.Dataset.TABLE_PREFIX, TABLE_PREFIX);
    cConf.set(Constants.CFG_HDFS_USER, System.getProperty("user.name"));
    cConf.setLong(QueueConstants.QUEUE_CONFIG_UPDATE_FREQUENCY, 10000L);
    // Test with fewer splits than default (16).
    // Fewer splits make the forceEvict runs faster, which makes all queue tests run faster
    cConf.setInt(QueueConstants.ConfigKeys.QUEUE_TABLE_PRESPLITS, 4);
    cConf.setLong(TxConstants.Manager.CFG_TX_TIMEOUT, 100000000L);
    cConf.setLong(TxConstants.Manager.CFG_TX_MAX_TIMEOUT, 100000000L);
    injector = Guice.createInjector(new DataFabricModules().getDistributedModules(), new ConfigModule(cConf, hConf), new ZKClientModule(), new LocationRuntimeModule().getDistributedModules(), new NamespaceClientUnitTestModule().getModule(), new DiscoveryRuntimeModule().getDistributedModules(), new TransactionMetricsModule(), new AuthorizationTestModule(), new AuthorizationEnforcementModule().getInMemoryModules(), new AuthenticationContextModules().getMasterModule(), new DataSetsModules().getInMemoryModules(), new SystemDatasetRuntimeModule().getDistributedModules(), new AbstractModule() {

        @Override
        protected void configure() {
            bind(NotificationFeedManager.class).to(NoOpNotificationFeedManager.class).in(Scopes.SINGLETON);
            bind(OwnerAdmin.class).to(DefaultOwnerAdmin.class);
            bind(UGIProvider.class).to(UnsupportedUGIProvider.class);
        }
    });
    // create HBase namespace
    hbaseAdmin = TEST_HBASE.getHBaseAdmin();
    ddlExecutor = new HBaseDDLExecutorFactory(cConf, hbaseAdmin.getConfiguration()).get();
    tableUtil = injector.getInstance(HBaseTableUtil.class);
    ddlExecutor.createNamespaceIfNotExists(tableUtil.getHBaseNamespace(NamespaceId.SYSTEM));
    ddlExecutor.createNamespaceIfNotExists(tableUtil.getHBaseNamespace(NAMESPACE_ID));
    ddlExecutor.createNamespaceIfNotExists(tableUtil.getHBaseNamespace(NAMESPACE_ID1));
    new ConfigurationWriter(hConf, cConf).write(ConfigurationReader.Type.DEFAULT, cConf);
    zkClientService = injector.getInstance(ZKClientService.class);
    zkClientService.startAndWait();
    txService = injector.getInstance(TransactionService.class);
    Thread t = new Thread() {

        @Override
        public void run() {
            txService.start();
        }
    };
    t.start();
    // The TransactionManager should be started by the txService.
    // We just want a reference to that so that we can ask for tx snapshot
    txSystemClient = injector.getInstance(TransactionSystemClient.class);
    queueClientFactory = injector.getInstance(QueueClientFactory.class);
    queueAdmin = injector.getInstance(QueueAdmin.class);
    executorFactory = injector.getInstance(TransactionExecutorFactory.class);
}