Examples with DiscoveryService org.apache.twill.discovery.DiscoveryService used on opensource projects

Example 1 with DiscoveryService

use of org.apache.twill.discovery.DiscoveryService in project phoenix by apache.

the class BaseTest method setupTxManager.

protected static void setupTxManager() throws SQLException, IOException {
    ConnectionInfo connInfo = ConnectionInfo.create(getUrl());
    zkClient = ZKClientServices.delegate(ZKClients.reWatchOnExpire(ZKClients.retryOnFailure(ZKClientService.Builder.of(connInfo.getZookeeperConnectionString()).setSessionTimeout(config.getInt(HConstants.ZK_SESSION_TIMEOUT, HConstants.DEFAULT_ZK_SESSION_TIMEOUT)).build(), RetryStrategies.exponentialDelay(500, 2000, TimeUnit.MILLISECONDS))));
    zkClient.startAndWait();
    DiscoveryService discovery = new ZKDiscoveryService(zkClient);
    txManager = new TransactionManager(config, new HDFSTransactionStateStorage(config, new SnapshotCodecProvider(config), new TxMetricsCollector()), new TxMetricsCollector());
    txService = new TransactionService(config, zkClient, discovery, Providers.of(txManager));
    txService.startAndWait();
}

Example 2 with DiscoveryService

use of org.apache.twill.discovery.DiscoveryService 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 3 with DiscoveryService

use of org.apache.twill.discovery.DiscoveryService in project cdap by caskdata.

the class DatasetServiceTestBase method initializeAndStartService.

protected static void initializeAndStartService(CConfiguration cConf) throws Exception {
    // TODO: this whole method is a mess. Streamline it!
    injector = Guice.createInjector(new ConfigModule(cConf), new DiscoveryRuntimeModule().getInMemoryModules(), new NonCustomLocationUnitTestModule().getModule(), new NamespaceClientRuntimeModule().getInMemoryModules(), new SystemDatasetRuntimeModule().getInMemoryModules(), new TransactionInMemoryModule(), new AuthorizationTestModule(), new AuthorizationEnforcementModule().getInMemoryModules(), new AuthenticationContextModules().getMasterModule(), new AbstractModule() {

        @Override
        protected void configure() {
            bind(MetricsCollectionService.class).to(NoOpMetricsCollectionService.class).in(Singleton.class);
            install(new FactoryModuleBuilder().implement(DatasetDefinitionRegistry.class, DefaultDatasetDefinitionRegistry.class).build(DatasetDefinitionRegistryFactory.class));
            // through the injector, we only need RemoteDatasetFramework in these tests
            bind(RemoteDatasetFramework.class);
            bind(OwnerStore.class).to(InMemoryOwnerStore.class);
            bind(OwnerAdmin.class).to(DefaultOwnerAdmin.class);
        }
    });
    AuthorizationEnforcer authEnforcer = injector.getInstance(AuthorizationEnforcer.class);
    AuthenticationContext authenticationContext = injector.getInstance(AuthenticationContext.class);
    DiscoveryService discoveryService = injector.getInstance(DiscoveryService.class);
    discoveryServiceClient = injector.getInstance(DiscoveryServiceClient.class);
    dsFramework = injector.getInstance(RemoteDatasetFramework.class);
    // Tx Manager to support working with datasets
    txManager = injector.getInstance(TransactionManager.class);
    txManager.startAndWait();
    TransactionSystemClient txSystemClient = injector.getInstance(TransactionSystemClient.class);
    TransactionSystemClientService txSystemClientService = new DelegatingTransactionSystemClientService(txSystemClient);
    NamespacedLocationFactory namespacedLocationFactory = injector.getInstance(NamespacedLocationFactory.class);
    SystemDatasetInstantiatorFactory datasetInstantiatorFactory = new SystemDatasetInstantiatorFactory(locationFactory, dsFramework, cConf);
    // ok to pass null, since the impersonator won't actually be called, if kerberos security is not enabled
    Impersonator impersonator = new DefaultImpersonator(cConf, null);
    DatasetAdminService datasetAdminService = new DatasetAdminService(dsFramework, cConf, locationFactory, datasetInstantiatorFactory, new NoOpMetadataStore(), impersonator);
    ImmutableSet<HttpHandler> handlers = ImmutableSet.<HttpHandler>of(new DatasetAdminOpHTTPHandler(datasetAdminService));
    MetricsCollectionService metricsCollectionService = injector.getInstance(MetricsCollectionService.class);
    opExecutorService = new DatasetOpExecutorService(cConf, discoveryService, metricsCollectionService, handlers);
    opExecutorService.startAndWait();
    Map<String, DatasetModule> defaultModules = injector.getInstance(Key.get(new TypeLiteral<Map<String, DatasetModule>>() {
    }, Constants.Dataset.Manager.DefaultDatasetModules.class));
    ImmutableMap<String, DatasetModule> modules = ImmutableMap.<String, DatasetModule>builder().putAll(defaultModules).putAll(DatasetMetaTableUtil.getModules()).build();
    registryFactory = injector.getInstance(DatasetDefinitionRegistryFactory.class);
    inMemoryDatasetFramework = new InMemoryDatasetFramework(registryFactory, modules);
    DiscoveryExploreClient exploreClient = new DiscoveryExploreClient(discoveryServiceClient, authenticationContext);
    ExploreFacade exploreFacade = new ExploreFacade(exploreClient, cConf);
    namespaceAdmin = injector.getInstance(NamespaceAdmin.class);
    namespaceAdmin.create(NamespaceMeta.DEFAULT);
    ownerAdmin = injector.getInstance(OwnerAdmin.class);
    NamespaceQueryAdmin namespaceQueryAdmin = injector.getInstance(NamespaceQueryAdmin.class);
    TransactionExecutorFactory txExecutorFactory = new DynamicTransactionExecutorFactory(txSystemClient);
    DatasetTypeManager typeManager = new DatasetTypeManager(cConf, locationFactory, txSystemClientService, txExecutorFactory, inMemoryDatasetFramework, impersonator);
    DatasetOpExecutor opExecutor = new InMemoryDatasetOpExecutor(dsFramework);
    DatasetInstanceManager instanceManager = new DatasetInstanceManager(txSystemClientService, txExecutorFactory, inMemoryDatasetFramework);
    PrivilegesManager privilegesManager = injector.getInstance(PrivilegesManager.class);
    DatasetTypeService typeService = new DatasetTypeService(typeManager, namespaceAdmin, namespacedLocationFactory, authEnforcer, privilegesManager, authenticationContext, cConf, impersonator, txSystemClientService, inMemoryDatasetFramework, txExecutorFactory, defaultModules);
    instanceService = new DatasetInstanceService(typeService, instanceManager, opExecutor, exploreFacade, namespaceQueryAdmin, ownerAdmin, authEnforcer, privilegesManager, authenticationContext);
    service = new DatasetService(cConf, discoveryService, discoveryServiceClient, metricsCollectionService, opExecutor, new HashSet<DatasetMetricsReporter>(), typeService, instanceService);
    // Start dataset service, wait for it to be discoverable
    service.startAndWait();
    waitForService(Constants.Service.DATASET_EXECUTOR);
    waitForService(Constants.Service.DATASET_MANAGER);
    // this usually happens while creating a namespace, however not doing that in data fabric tests
    Locations.mkdirsIfNotExists(namespacedLocationFactory.get(NamespaceId.DEFAULT));
}

Example 4 with DiscoveryService

use of org.apache.twill.discovery.DiscoveryService in project cdap by caskdata.

the class RemoteDatasetFrameworkTest method before.

@Before
public void before() throws Exception {
    cConf.set(Constants.Service.MASTER_SERVICES_BIND_ADDRESS, "localhost");
    cConf.setBoolean(Constants.Dangerous.UNRECOVERABLE_RESET, true);
    Configuration txConf = HBaseConfiguration.create();
    CConfigurationUtil.copyTxProperties(cConf, txConf);
    // ok to pass null, since the impersonator won't actually be called, if kerberos security is not enabled
    Impersonator impersonator = new DefaultImpersonator(cConf, null);
    // TODO: Refactor to use injector for everything
    Injector injector = Guice.createInjector(new ConfigModule(cConf, txConf), new DiscoveryRuntimeModule().getInMemoryModules(), new AuthorizationTestModule(), new AuthorizationEnforcementModule().getInMemoryModules(), new AuthenticationContextModules().getMasterModule(), new TransactionInMemoryModule(), new AbstractModule() {

        @Override
        protected void configure() {
            bind(MetricsCollectionService.class).to(NoOpMetricsCollectionService.class).in(Singleton.class);
            install(new FactoryModuleBuilder().implement(DatasetDefinitionRegistry.class, DefaultDatasetDefinitionRegistry.class).build(DatasetDefinitionRegistryFactory.class));
            // through the injector, we only need RemoteDatasetFramework in these tests
            bind(RemoteDatasetFramework.class);
        }
    });
    // Tx Manager to support working with datasets
    txManager = new TransactionManager(txConf);
    txManager.startAndWait();
    InMemoryTxSystemClient txSystemClient = new InMemoryTxSystemClient(txManager);
    TransactionSystemClientService txSystemClientService = new DelegatingTransactionSystemClientService(txSystemClient);
    DiscoveryService discoveryService = injector.getInstance(DiscoveryService.class);
    DiscoveryServiceClient discoveryServiceClient = injector.getInstance(DiscoveryServiceClient.class);
    MetricsCollectionService metricsCollectionService = injector.getInstance(MetricsCollectionService.class);
    AuthenticationContext authenticationContext = injector.getInstance(AuthenticationContext.class);
    framework = new RemoteDatasetFramework(cConf, discoveryServiceClient, registryFactory, authenticationContext);
    SystemDatasetInstantiatorFactory datasetInstantiatorFactory = new SystemDatasetInstantiatorFactory(locationFactory, framework, cConf);
    DatasetAdminService datasetAdminService = new DatasetAdminService(framework, cConf, locationFactory, datasetInstantiatorFactory, new NoOpMetadataStore(), impersonator);
    ImmutableSet<HttpHandler> handlers = ImmutableSet.<HttpHandler>of(new DatasetAdminOpHTTPHandler(datasetAdminService));
    opExecutorService = new DatasetOpExecutorService(cConf, discoveryService, metricsCollectionService, handlers);
    opExecutorService.startAndWait();
    ImmutableMap<String, DatasetModule> modules = ImmutableMap.<String, DatasetModule>builder().put("memoryTable", new InMemoryTableModule()).put("core", new CoreDatasetsModule()).putAll(DatasetMetaTableUtil.getModules()).build();
    InMemoryDatasetFramework mdsFramework = new InMemoryDatasetFramework(registryFactory, modules);
    DiscoveryExploreClient exploreClient = new DiscoveryExploreClient(discoveryServiceClient, authenticationContext);
    ExploreFacade exploreFacade = new ExploreFacade(exploreClient, cConf);
    TransactionExecutorFactory txExecutorFactory = new DynamicTransactionExecutorFactory(txSystemClient);
    AuthorizationEnforcer authorizationEnforcer = injector.getInstance(AuthorizationEnforcer.class);
    DatasetTypeManager typeManager = new DatasetTypeManager(cConf, locationFactory, txSystemClientService, txExecutorFactory, mdsFramework, impersonator);
    DatasetInstanceManager instanceManager = new DatasetInstanceManager(txSystemClientService, txExecutorFactory, mdsFramework);
    PrivilegesManager privilegesManager = injector.getInstance(PrivilegesManager.class);
    DatasetTypeService typeService = new DatasetTypeService(typeManager, namespaceQueryAdmin, namespacedLocationFactory, authorizationEnforcer, privilegesManager, authenticationContext, cConf, impersonator, txSystemClientService, mdsFramework, txExecutorFactory, DEFAULT_MODULES);
    DatasetOpExecutor opExecutor = new LocalDatasetOpExecutor(cConf, discoveryServiceClient, opExecutorService, authenticationContext);
    DatasetInstanceService instanceService = new DatasetInstanceService(typeService, instanceManager, opExecutor, exploreFacade, namespaceQueryAdmin, ownerAdmin, authorizationEnforcer, privilegesManager, authenticationContext);
    instanceService.setAuditPublisher(inMemoryAuditPublisher);
    service = new DatasetService(cConf, discoveryService, discoveryServiceClient, metricsCollectionService, new InMemoryDatasetOpExecutor(framework), new HashSet<DatasetMetricsReporter>(), typeService, instanceService);
    // Start dataset service, wait for it to be discoverable
    service.startAndWait();
    EndpointStrategy endpointStrategy = new RandomEndpointStrategy(discoveryServiceClient.discover(Constants.Service.DATASET_MANAGER));
    Preconditions.checkNotNull(endpointStrategy.pick(5, TimeUnit.SECONDS), "%s service is not up after 5 seconds", service);
    createNamespace(NamespaceId.SYSTEM);
    createNamespace(NAMESPACE_ID);
}

Example 5 with DiscoveryService

use of org.apache.twill.discovery.DiscoveryService in project cdap by caskdata.

the class RoutingToDataSetsTest method before.

@BeforeClass
public static void before() throws Exception {
    CConfiguration cConf = CConfiguration.create();
    Injector injector = Guice.createInjector(new SecurityModules().getInMemoryModules(), new DiscoveryRuntimeModule().getInMemoryModules(), new AppFabricTestModule(cConf));
    // Starting router
    DiscoveryServiceClient discoveryServiceClient = injector.getInstance(DiscoveryServiceClient.class);
    AccessTokenTransformer accessTokenTransformer = injector.getInstance(AccessTokenTransformer.class);
    RouteStore routeStore = injector.getInstance(RouteStore.class);
    SConfiguration sConf = SConfiguration.create();
    cConf.set(Constants.Router.ADDRESS, "localhost");
    port = Networks.getRandomPort();
    cConf.setInt(Constants.Router.ROUTER_PORT, port);
    nettyRouter = new NettyRouter(cConf, sConf, InetAddresses.forString("127.0.0.1"), new RouterServiceLookup(cConf, discoveryServiceClient, new RouterPathLookup(), routeStore), new SuccessTokenValidator(), accessTokenTransformer, discoveryServiceClient);
    nettyRouter.startAndWait();
    // Starting mock DataSet service
    DiscoveryService discoveryService = injector.getInstance(DiscoveryService.class);
    mockService = new MockHttpService(discoveryService, Constants.Service.DATASET_MANAGER, new MockDatasetTypeHandler(), new MockDatasetInstanceHandler());
    mockService.startAndWait();
}