Examples with ReaderGroupManager io.pravega.client.admin.ReaderGroupManager used on opensource projects

Example 61 with ReaderGroupManager

use of io.pravega.client.admin.ReaderGroupManager in project pravega by pravega.

the class EndToEndTruncationTest method testWriteDuringScaleAndTruncation.

@Test(timeout = 50000)
public void testWriteDuringScaleAndTruncation() throws Exception {
    String streamName = "testWriteDuringScaleAndTruncation";
    Stream stream = new StreamImpl("test", streamName);
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.byEventRate(10, 2, 2)).build();
    LocalController controller = (LocalController) PRAVEGA.getLocalController();
    controller.createScope("test").get();
    controller.createStream("test", streamName, config).get();
    config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.byEventRate(10, 2, 1)).build();
    controller.updateStream("test", streamName, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    @Cleanup EventStreamWriter<String> writer = clientFactory.createEventWriter(streamName, new JavaSerializer<>(), EventWriterConfig.builder().build());
    // routing key "0" translates to key 0.8. This write happens to segment 1.
    writer.writeEvent("0", "truncationTest1").get();
    // Peform scaling operations on the stream.
    ImmutableMap<Double, Double> singleSegmentKeyRange = ImmutableMap.of(0.0, 1.0);
    ImmutableMap<Double, Double> twoSegmentKeyRange = ImmutableMap.of(0.0, 0.5, 0.5, 1.0);
    // scale down to 1 segment.
    assertTrue("Stream Scale down", controller.scaleStream(stream, Lists.newArrayList(0L, 1L), singleSegmentKeyRange, executorService()).getFuture().get());
    // scale up to 2 segments.
    assertTrue("Stream Scale up", controller.scaleStream(stream, Lists.newArrayList(computeSegmentId(2, 1)), twoSegmentKeyRange, executorService()).getFuture().get());
    // scale down to 1 segment.
    assertTrue("Stream Scale down", controller.scaleStream(stream, Lists.newArrayList(computeSegmentId(3, 2), computeSegmentId(4, 2)), singleSegmentKeyRange, executorService()).getFuture().get());
    // scale up to 2 segments.
    assertTrue("Stream Scale up", controller.scaleStream(stream, Lists.newArrayList(computeSegmentId(5, 3)), twoSegmentKeyRange, executorService()).getFuture().get());
    // truncateStream.
    Map<Long, Long> streamCutPositions = new HashMap<>();
    streamCutPositions.put(computeSegmentId(3, 2), 0L);
    streamCutPositions.put(computeSegmentId(4, 2), 0L);
    assertTrue("Truncate stream", controller.truncateStream("test", streamName, streamCutPositions).get());
    // write an event.
    writer.writeEvent("0", "truncationTest3");
    writer.flush();
    // Read the event back.
    String group = "testWriteDuringScaleAndTruncation-group";
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl("test", controller, clientFactory);
    groupManager.createReaderGroup(group, ReaderGroupConfig.builder().disableAutomaticCheckpoints().groupRefreshTimeMillis(0).stream("test/" + streamName).build());
    @Cleanup EventStreamReader<String> reader = clientFactory.createReader("readerId", group, new JavaSerializer<>(), ReaderConfig.builder().build());
    EventRead<String> event = reader.readNextEvent(200);
    assertNull(event.getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp1", executorService());
    event = reader.readNextEvent(2000);
    assertEquals("cp1", event.getCheckpointName());
    event = reader.readNextEvent(200);
    assertNull(event.getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp2", executorService());
    event = reader.readNextEvent(2000);
    assertEquals("cp2", event.getCheckpointName());
    event = reader.readNextEvent(10000);
    assertEquals("truncationTest3", event.getEvent());
}

Example 62 with ReaderGroupManager

use of io.pravega.client.admin.ReaderGroupManager in project pravega by pravega.

the class EndToEndWithScaleTest method testScale.

@Test(timeout = 90000)
public void testScale() throws Exception {
    final String scope = "test";
    final String streamName = "test";
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    // Test scale both in a new stream and in a re-created one.
    for (int i = 0; i < 2; i++) {
        @Cleanup Controller controller = controllerWrapper.getController();
        controllerWrapper.getControllerService().createScope(scope, 0L).get();
        controller.createStream(scope, streamName, config).get();
        @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(URI.create("tcp://localhost")).build());
        @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory);
        @Cleanup EventStreamWriter<String> writer = clientFactory.createEventWriter(streamName, new JavaSerializer<>(), EventWriterConfig.builder().build());
        writer.writeEvent("0", "txntest1" + i).get();
        // scale
        Stream stream = new StreamImpl(scope, streamName);
        Map<Double, Double> map = new HashMap<>();
        map.put(0.0, 0.33);
        map.put(0.33, 0.66);
        map.put(0.66, 1.0);
        Boolean result = controller.scaleStream(stream, Collections.singletonList(i * 4L), map, executorService()).getFuture().get();
        assertTrue(result);
        writer.writeEvent("0", "txntest2" + i).get();
        @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl(scope, controller, clientFactory);
        groupManager.createReaderGroup("reader" + i, ReaderGroupConfig.builder().disableAutomaticCheckpoints().groupRefreshTimeMillis(0).stream(Stream.of(scope, streamName).getScopedName()).build());
        @Cleanup EventStreamReader<String> reader = clientFactory.createReader("readerId" + i, "reader" + i, new JavaSerializer<>(), ReaderConfig.builder().build());
        EventRead<String> event = reader.readNextEvent(10000);
        assertNotNull(event.getEvent());
        assertEquals("txntest1" + i, event.getEvent());
        event = reader.readNextEvent(100);
        assertNull(event.getEvent());
        groupManager.getReaderGroup("reader" + i).initiateCheckpoint("cp" + i, executorService());
        event = reader.readNextEvent(10000);
        assertEquals("cp" + i, event.getCheckpointName());
        event = reader.readNextEvent(10000);
        assertEquals("txntest2" + i, event.getEvent());
        assertTrue(controller.sealStream(scope, streamName).join());
        assertTrue(controller.deleteStream(scope, streamName).join());
    }
}

Example 63 with ReaderGroupManager

use of io.pravega.client.admin.ReaderGroupManager in project pravega by pravega.

the class ScopeTest method testForceDeleteScope.

@Test
public void testForceDeleteScope() throws Exception {
    final String scope = "test";
    final String streamName1 = "test1";
    final String streamName2 = "test2";
    final String streamName3 = "test3";
    final String kvtName1 = "kvt1";
    final String kvtName2 = "kvt2";
    final String groupName1 = "rg1";
    final String groupName2 = "rg2";
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    @Cleanup Controller controller = controllerWrapper.getController();
    ClientConfig clientConfig = ClientConfig.builder().controllerURI(URI.create("tcp://localhost:" + controllerPort)).build();
    @Cleanup ConnectionPool cp = new ConnectionPoolImpl(clientConfig, new SocketConnectionFactoryImpl(clientConfig));
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(clientConfig);
    controllerWrapper.getControllerService().createScope(scope, 0L).get();
    controller.createStream(scope, streamName1, config).get();
    controller.createStream(scope, streamName2, config).get();
    controller.createStream(scope, streamName3, config).get();
    @Cleanup StreamManager streamManager = new StreamManagerImpl(controller, cp);
    @Cleanup KeyValueTableManager keyValueTableManager = new KeyValueTableManagerImpl(clientConfig);
    @Cleanup ReaderGroupManager readerGroupManager = new ReaderGroupManagerImpl(scope, clientConfig, connectionFactory);
    KeyValueTableConfiguration kvtConfig = KeyValueTableConfiguration.builder().partitionCount(2).primaryKeyLength(4).secondaryKeyLength(4).build();
    keyValueTableManager.createKeyValueTable(scope, kvtName1, kvtConfig);
    keyValueTableManager.createKeyValueTable(scope, kvtName2, kvtConfig);
    readerGroupManager.createReaderGroup(groupName1, ReaderGroupConfig.builder().stream(getScopedStreamName(scope, streamName1)).build());
    readerGroupManager.createReaderGroup(groupName2, ReaderGroupConfig.builder().stream(getScopedStreamName(scope, streamName2)).build());
    assertTrue(streamManager.deleteScope(scope, true));
}

Example 64 with ReaderGroupManager

use of io.pravega.client.admin.ReaderGroupManager in project pravega by pravega.

the class ScopeTest method testDeleteScopeRecursive.

@Test
public void testDeleteScopeRecursive() throws Exception {
    final String scope = "testDeleteScope";
    final String testFalseScope = "falseScope";
    final String streamName1 = "test1";
    final String streamName2 = "test2";
    final String streamName3 = "test3";
    final String streamName4 = "test4";
    final String kvtName1 = "kvt1";
    final String kvtName2 = "kvt2";
    final String kvtName3 = "kvt3";
    final String groupName1 = "rg1";
    final String groupName2 = "rg2";
    final String groupName3 = "rg3";
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    @Cleanup Controller controller = controllerWrapper.getController();
    ClientConfig clientConfig = ClientConfig.builder().controllerURI(URI.create("tcp://localhost:" + controllerPort)).build();
    @Cleanup ConnectionPool cp = new ConnectionPoolImpl(clientConfig, new SocketConnectionFactoryImpl(clientConfig));
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(clientConfig);
    // Create scope
    controllerWrapper.getControllerService().createScope(scope, 0L).get();
    assertTrue(controller.checkScopeExists(scope).get());
    // Create streams
    assertTrue(controller.createStream(scope, streamName1, config).get());
    assertTrue(controller.createStream(scope, streamName2, config).get());
    assertTrue(controller.createStream(scope, streamName3, config).get());
    @Cleanup StreamManager streamManager = new StreamManagerImpl(controller, cp);
    @Cleanup KeyValueTableManager keyValueTableManager = new KeyValueTableManagerImpl(clientConfig);
    @Cleanup ReaderGroupManager readerGroupManager = new ReaderGroupManagerImpl(scope, clientConfig, connectionFactory);
    // 1. Call deleteScopeRecursive() without creating a scope
    assertTrue(streamManager.deleteScopeRecursive(testFalseScope));
    // Create KVT under the scope
    KeyValueTableConfiguration kvtConfig = KeyValueTableConfiguration.builder().partitionCount(2).primaryKeyLength(4).secondaryKeyLength(4).build();
    assertTrue(keyValueTableManager.createKeyValueTable(scope, kvtName1, kvtConfig));
    assertTrue(keyValueTableManager.createKeyValueTable(scope, kvtName2, kvtConfig));
    // Create RG under the same scope
    assertTrue(readerGroupManager.createReaderGroup(groupName1, ReaderGroupConfig.builder().stream(getScopedStreamName(scope, streamName1)).build()));
    assertTrue(readerGroupManager.createReaderGroup(groupName2, ReaderGroupConfig.builder().stream(getScopedStreamName(scope, streamName2)).build()));
    // Call deleteScopeRecursive to delete the scope recursively
    assertTrue(streamManager.deleteScopeRecursive(scope));
    // Validate that the scope is deleted
    assertFalse(controller.checkScopeExists(scope).get());
    // Validate create operation of Stream/RG/KVT should throw error
    AssertExtensions.assertThrows("Failed to create Reader Group as Scope does not exits", () -> readerGroupManager.createReaderGroup(groupName3, ReaderGroupConfig.builder().stream(getScopedStreamName(scope, streamName2)).build()), e -> e instanceof IllegalArgumentException);
    AssertExtensions.assertThrows("Scope does not exist", () -> controller.createStream(scope, streamName4, config).get(), e -> e instanceof IllegalArgumentException);
    AssertExtensions.assertThrows("Scope does not exist", () -> keyValueTableManager.createKeyValueTable(scope, kvtName3, kvtConfig), e -> e instanceof IllegalArgumentException);
}

Example 65 with ReaderGroupManager

use of io.pravega.client.admin.ReaderGroupManager in project pravega by pravega.

the class StreamTransactionMetadataTasksTest method createEventProcessor.

private <T extends ControllerEvent> void createEventProcessor(final String readerGroupName, final String streamName, final EventStreamReader<T> reader, final EventStreamWriter<T> writer, Supplier<EventProcessor<T>> factory) throws CheckpointStoreException {
    EventStreamClientFactory clientFactory = Mockito.mock(EventStreamClientFactory.class);
    Mockito.when(clientFactory.<T>createReader(anyString(), anyString(), any(), any())).thenReturn(reader);
    Mockito.when(clientFactory.<T>createEventWriter(anyString(), any(), any())).thenReturn(writer);
    ReaderGroup readerGroup = Mockito.mock(ReaderGroup.class);
    Mockito.when(readerGroup.getGroupName()).thenReturn(readerGroupName);
    ReaderGroupManager readerGroupManager = Mockito.mock(ReaderGroupManager.class);
    EventProcessorSystemImpl system = new EventProcessorSystemImpl("system", "host", SCOPE, clientFactory, readerGroupManager);
    EventProcessorGroupConfig eventProcessorConfig = EventProcessorGroupConfigImpl.builder().eventProcessorCount(1).readerGroupName(readerGroupName).streamName(streamName).checkpointConfig(CheckpointConfig.periodic(1, 1)).build();
    EventProcessorConfig<T> config = EventProcessorConfig.<T>builder().config(eventProcessorConfig).decider(ExceptionHandler.DEFAULT_EXCEPTION_HANDLER).serializer(new EventSerializer<>()).supplier(factory).build();
    system.createEventProcessorGroup(config, CheckpointStoreFactory.createInMemoryStore(), executor);
}