Examples with InMemoryTxSystemClient org.apache.tephra.inmemory.InMemoryTxSystemClient used on opensource projects

Example 6 with InMemoryTxSystemClient

use of org.apache.tephra.inmemory.InMemoryTxSystemClient in project cdap by caskdata.

the class PartitionConsumerTest method testPartitionConsumer.

@Test
public void testPartitionConsumer() throws Exception {
    // exercises the edge case of partition consumption, when partitions are being consumed, while another in-progress
    // transaction has added a partition, but it has not yet committed, so the partition is not available for the
    // consumer
    PartitionedFileSet dataset1 = dsFrameworkUtil.getInstance(pfsInstance);
    PartitionedFileSet dataset2 = dsFrameworkUtil.getInstance(pfsInstance);
    TransactionManager txManager = dsFrameworkUtil.getTxManager();
    InMemoryTxSystemClient txClient = new InMemoryTxSystemClient(txManager);
    // producer simply adds initial partition
    TransactionContext txContext1 = new TransactionContext(txClient, (TransactionAware) dataset1);
    txContext1.start();
    PartitionKey partitionKey1 = generateUniqueKey();
    dataset1.getPartitionOutput(partitionKey1).addPartition();
    txContext1.finish();
    // consumer simply consumes initial partition
    TransactionContext txContext2 = new TransactionContext(txClient, (TransactionAware) dataset2);
    txContext2.start();
    PartitionConsumer partitionConsumer = new ConcurrentPartitionConsumer(dataset2, new InMemoryStatePersistor());
    List<? extends PartitionDetail> partitionIterator = partitionConsumer.consumePartitions().getPartitions();
    Assert.assertEquals(1, partitionIterator.size());
    Assert.assertEquals(partitionKey1, partitionIterator.get(0).getPartitionKey());
    txContext2.finish();
    // producer adds a second partition, but does not yet commit the transaction
    txContext1.start();
    PartitionKey partitionKey2 = generateUniqueKey();
    dataset1.getPartitionOutput(partitionKey2).addPartition();
    // consumer attempts to consume at a time after the partition was added, but before it committed. Because of this,
    // the partition is not visible and will not be consumed
    txContext2.start();
    Assert.assertTrue(partitionConsumer.consumePartitions().getPartitions().isEmpty());
    txContext2.finish();
    // producer commits the transaction in which the second partition was added
    txContext1.finish();
    // the next time the consumer runs, it processes the second partition
    txContext2.start();
    partitionIterator = partitionConsumer.consumePartitions().getPartitions();
    Assert.assertEquals(1, partitionIterator.size());
    Assert.assertEquals(partitionKey2, partitionIterator.get(0).getPartitionKey());
    txContext2.finish();
}

Example 7 with InMemoryTxSystemClient

use of org.apache.tephra.inmemory.InMemoryTxSystemClient 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 8 with InMemoryTxSystemClient

use of org.apache.tephra.inmemory.InMemoryTxSystemClient in project cdap by caskdata.

the class DatasetInstanceHandlerTest method testCreateDelete.

@Test
public void testCreateDelete() throws Exception {
    try {
        deployModule("default-table", InMemoryTableModule.class);
        deployModule("default-core", CoreDatasetsModule.class);
        // cannot create instance with same name again
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("myTable1", "table", DatasetProperties.EMPTY).getResponseCode());
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("myTable2", "table", DatasetProperties.EMPTY).getResponseCode());
        Assert.assertEquals(2, getInstances().getResponseObject().size());
        // we want to verify that data is also gone, so we write smth to tables first
        final Table table1 = dsFramework.getDataset(NamespaceId.DEFAULT.dataset("myTable1"), DatasetDefinition.NO_ARGUMENTS, null);
        final Table table2 = dsFramework.getDataset(NamespaceId.DEFAULT.dataset("myTable2"), DatasetDefinition.NO_ARGUMENTS, null);
        Assert.assertNotNull(table1);
        Assert.assertNotNull(table2);
        TransactionExecutor txExecutor = new DefaultTransactionExecutor(new InMemoryTxSystemClient(txManager), ImmutableList.of((TransactionAware) table1, (TransactionAware) table2));
        txExecutor.execute(new TransactionExecutor.Subroutine() {

            @Override
            public void apply() throws Exception {
                table1.put(new Put("key1", "col1", "val1"));
                table2.put(new Put("key2", "col2", "val2"));
            }
        });
        // verify that we can read the data
        txExecutor.execute(new TransactionExecutor.Subroutine() {

            @Override
            public void apply() throws Exception {
                Assert.assertEquals("val1", table1.get(new Get("key1", "col1")).getString("col1"));
                Assert.assertEquals("val2", table2.get(new Get("key2", "col2")).getString("col2"));
            }
        });
        // delete table, check that it is deleted, create again and verify that it is empty
        Assert.assertEquals(HttpStatus.SC_OK, deleteInstance("myTable1").getResponseCode());
        ObjectResponse<List<DatasetSpecificationSummary>> instances = getInstances();
        Assert.assertEquals(1, instances.getResponseObject().size());
        Assert.assertEquals("myTable2", instances.getResponseObject().get(0).getName());
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("myTable1", "table", DatasetProperties.EMPTY).getResponseCode());
        Assert.assertEquals(2, getInstances().getResponseObject().size());
        // verify that table1 is empty. Note: it is ok for test purpose to re-use the table clients
        txExecutor.execute(new TransactionExecutor.Subroutine() {

            @Override
            public void apply() throws Exception {
                Assert.assertTrue(table1.get(new Get("key1", "col1")).isEmpty());
                Assert.assertEquals("val2", table2.get(new Get("key2", "col2")).getString("col2"));
                // writing smth to table1 for subsequent test
                table1.put(new Put("key3", "col3", "val3"));
            }
        });
        // delete all tables, check that they deleted, create again and verify that they are empty
        deleteInstances();
        Assert.assertEquals(0, getInstances().getResponseObject().size());
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("myTable1", "table", DatasetProperties.EMPTY).getResponseCode());
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("myTable2", "table", DatasetProperties.EMPTY).getResponseCode());
        Assert.assertEquals(2, getInstances().getResponseObject().size());
        // verify that tables are empty. Note: it is ok for test purpose to re-use the table clients
        txExecutor.execute(new TransactionExecutor.Subroutine() {

            @Override
            public void apply() throws Exception {
                Assert.assertTrue(table1.get(new Get("key3", "col3")).isEmpty());
                Assert.assertTrue(table2.get(new Get("key2", "col2")).isEmpty());
            }
        });
    } finally {
        // cleanup
        deleteInstances();
        Assert.assertEquals(HttpStatus.SC_OK, deleteModules().getResponseCode());
    }
}

Example 9 with InMemoryTxSystemClient

use of org.apache.tephra.inmemory.InMemoryTxSystemClient in project cdap by caskdata.

the class SparkTransactionHandlerTest method init.

@BeforeClass
public static void init() throws UnknownHostException {
    txManager = new TransactionManager(new Configuration());
    txManager.startAndWait();
    txClient = new InMemoryTxSystemClient(txManager);
    sparkTxHandler = new SparkTransactionHandler(txClient);
    httpService = new SparkDriverHttpService("test", InetAddress.getLoopbackAddress().getCanonicalHostName(), sparkTxHandler);
    httpService.startAndWait();
    sparkTxClient = new SparkTransactionClient(httpService.getBaseURI());
}

Example 10 with InMemoryTxSystemClient

use of org.apache.tephra.inmemory.InMemoryTxSystemClient in project cdap by caskdata.

the class SparkTransactionHandlerTest method testFailureTransaction.

/**
   * Tests the case where starting of transaction failed.
   */
@Test
public void testFailureTransaction() throws Exception {
    TransactionManager txManager = new TransactionManager(new Configuration()) {

        @Override
        public Transaction startLong() {
            throw new IllegalStateException("Cannot start long transaction");
        }
    };
    txManager.startAndWait();
    try {
        SparkTransactionHandler txHandler = new SparkTransactionHandler(new InMemoryTxSystemClient(txManager));
        SparkDriverHttpService httpService = new SparkDriverHttpService("test", InetAddress.getLoopbackAddress().getCanonicalHostName(), txHandler);
        httpService.startAndWait();
        try {
            // Start a job
            txHandler.jobStarted(1, ImmutableSet.of(2));
            // Make a call to the stage transaction endpoint, it should throw TransactionFailureException
            try {
                new SparkTransactionClient(httpService.getBaseURI()).getTransaction(2, 1, TimeUnit.SECONDS);
                Assert.fail("Should failed to get transaction");
            } catch (TransactionFailureException e) {
            // expected
            }
            // End the job
            txHandler.jobEnded(1, false);
        } finally {
            httpService.stopAndWait();
        }
    } finally {
        txManager.stopAndWait();
    }
}