Examples with ReaderGroupManagerImpl io.pravega.client.admin.impl.ReaderGroupManagerImpl used on opensource projects

Example 21 with ReaderGroupManagerImpl

use of io.pravega.client.admin.impl.ReaderGroupManagerImpl in project pravega by pravega.

the class EndToEndTxnWithTest method testGetTxnWithScale.

@Test(timeout = 20000)
public void testGetTxnWithScale() throws Exception {
    String streamName = "testGetTxnWithScale";
    final StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    final Serializer<String> serializer = new UTF8StringSerializer();
    final EventWriterConfig writerConfig = EventWriterConfig.builder().transactionTimeoutTime(10000).build();
    final Controller controller = PRAVEGA.getLocalController();
    controller.createScope("test").get();
    controller.createStream("test", streamName, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    @Cleanup EventStreamWriter<String> streamWriter = clientFactory.createEventWriter(streamName, serializer, writerConfig);
    streamWriter.writeEvent("key", "e").join();
    @Cleanup TransactionalEventStreamWriter<String> txnWriter = clientFactory.createTransactionalEventWriter(streamName, serializer, writerConfig);
    Transaction<String> txn = txnWriter.beginTxn();
    txn.writeEvent("key", "1");
    txn.flush();
    // the txn is not yet committed here.
    UUID txnId = txn.getTxnId();
    // scale up stream
    scaleUpStream(streamName);
    // write event using stream writer
    streamWriter.writeEvent("key", "e").join();
    Transaction<String> txn1 = txnWriter.getTxn(txnId);
    txn1.writeEvent("key", "2");
    txn1.flush();
    // commit the transaction
    txn1.commit();
    assertEventuallyEquals(Transaction.Status.COMMITTED, txn1::checkStatus, 5000);
    String group = "testGetTxnWithScale-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 UTF8StringSerializer(), ReaderConfig.builder().build());
    EventRead<String> event = reader.readNextEvent(5000);
    assertEquals("e", event.getEvent());
    assertNull(reader.readNextEvent(100).getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp1", executorService());
    event = reader.readNextEvent(5000);
    assertEquals("Checkpoint event expected", "cp1", event.getCheckpointName());
    event = reader.readNextEvent(5000);
    assertEquals("second event post scale up", "e", event.getEvent());
    assertNull(reader.readNextEvent(100).getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp2", executorService());
    event = reader.readNextEvent(5000);
    assertEquals("Checkpoint event expected", "cp2", event.getCheckpointName());
    event = reader.readNextEvent(5000);
    assertEquals("txn events", "1", event.getEvent());
    event = reader.readNextEvent(5000);
    assertEquals("txn events", "2", event.getEvent());
}

Example 22 with ReaderGroupManagerImpl

use of io.pravega.client.admin.impl.ReaderGroupManagerImpl in project pravega by pravega.

the class EndToEndTxnWithTest method testTxnWithScale.

@Test(timeout = 10000)
public void testTxnWithScale() throws Exception {
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).build();
    Controller controller = PRAVEGA.getLocalController();
    controller.createScope("test").get();
    String streamName = "testTxnWithScale";
    controller.createStream("test", streamName, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    @Cleanup TransactionalEventStreamWriter<String> test = clientFactory.createTransactionalEventWriter("writer", streamName, new UTF8StringSerializer(), EventWriterConfig.builder().transactionTimeoutTime(10000).build());
    Transaction<String> transaction1 = test.beginTxn();
    transaction1.writeEvent("0", "txntest1");
    transaction1.commit();
    assertEventuallyEquals(Transaction.Status.COMMITTED, () -> transaction1.checkStatus(), 5000);
    // scale
    Stream stream = new StreamImpl("test", 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(0L), map, executorService()).getFuture().get();
    assertTrue(result);
    Transaction<String> transaction2 = test.beginTxn();
    transaction2.writeEvent("0", "txntest2");
    transaction2.commit();
    String group = "testTxnWithScale-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 UTF8StringSerializer(), ReaderConfig.builder().build());
    EventRead<String> event = reader.readNextEvent(5000);
    assertNotNull(event.getEvent());
    assertEquals("txntest1", event.getEvent());
    assertNull(reader.readNextEvent(100).getEvent());
    groupManager.getReaderGroup(group).initiateCheckpoint("cp", executorService());
    event = reader.readNextEvent(5000);
    assertEquals("cp", event.getCheckpointName());
    event = reader.readNextEvent(5000);
    assertNotNull(event.getEvent());
    assertEquals("txntest2", event.getEvent());
}

Example 23 with ReaderGroupManagerImpl

use of io.pravega.client.admin.impl.ReaderGroupManagerImpl in project pravega by pravega.

the class EndToEndReaderGroupTest method testLaggingResetReaderGroup.

@Test(timeout = 30000)
public void testLaggingResetReaderGroup() throws Exception {
    StreamConfiguration config = getStreamConfig();
    LocalController controller = (LocalController) PRAVEGA.getLocalController();
    controller.createScope("test").get();
    controller.createStream("test", "testLaggingResetReaderGroup", config).get();
    controller.createStream("test", "testLaggingResetReaderGroup2", config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl("test", controller, clientFactory);
    UUID rgId = UUID.randomUUID();
    ReaderGroupConfig rgConf = ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream("test/testLaggingResetReaderGroup").retentionType(ReaderGroupConfig.StreamDataRetention.NONE).build();
    rgConf = ReaderGroupConfig.cloneConfig(rgConf, rgId, 0L);
    // Create a ReaderGroup
    groupManager.createReaderGroup("testLaggingResetReaderGroup-group", rgConf);
    ReaderGroupConfig updateConf = ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream("test/testLaggingResetReaderGroup2").retentionType(ReaderGroupConfig.StreamDataRetention.NONE).build();
    updateConf = ReaderGroupConfig.cloneConfig(updateConf, rgId, 0L);
    // Update from the controller end
    controller.updateReaderGroup("test", "testLaggingResetReaderGroup-group", updateConf).join();
    ReaderGroup group = groupManager.getReaderGroup("testLaggingResetReaderGroup-group");
    // Reset from client end
    group.resetReaderGroup(ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream("test/testLaggingResetReaderGroup").build());
}

Example 24 with ReaderGroupManagerImpl

use of io.pravega.client.admin.impl.ReaderGroupManagerImpl in project pravega by pravega.

the class EndToEndReaderGroupTest method testReaderOffline.

@Test(timeout = 30000)
public void testReaderOffline() throws Exception {
    StreamConfiguration config = getStreamConfig();
    LocalController controller = (LocalController) PRAVEGA.getLocalController();
    String scopeName = "test";
    String streamName = "testReaderOffline";
    controller.createScope(scopeName).get();
    controller.createStream(scopeName, streamName, config).get();
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl(scopeName, controller, connectionFactory);
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl(scopeName, controller, clientFactory);
    String groupName = "testReaderOffline-group";
    groupManager.createReaderGroup(groupName, ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream(scopeName + "/" + streamName).build());
    final ReaderGroup readerGroup = groupManager.getReaderGroup(groupName);
    // create a reader
    @Cleanup EventStreamReader<String> reader1 = clientFactory.createReader("reader1", groupName, new JavaSerializer<>(), ReaderConfig.builder().build());
    EventRead<String> eventRead = reader1.readNextEvent(100);
    assertNull("Event read should be null since no events are written", eventRead.getEvent());
    @Cleanup EventStreamReader<String> reader2 = clientFactory.createReader("reader2", groupName, new JavaSerializer<>(), ReaderConfig.builder().build());
    // make reader1 offline
    readerGroup.readerOffline("reader1", null);
    // write events into the stream.
    @Cleanup EventStreamWriter<String> writer = clientFactory.createEventWriter(streamName, new JavaSerializer<>(), EventWriterConfig.builder().build());
    writer.writeEvent("0", "data1").get();
    writer.writeEvent("0", "data2").get();
    eventRead = reader2.readNextEvent(10000);
    assertEquals("data1", eventRead.getEvent());
}

Example 25 with ReaderGroupManagerImpl

use of io.pravega.client.admin.impl.ReaderGroupManagerImpl in project pravega by pravega.

the class EndToEndReaderGroupTest method testMultiScopeReaderGroup.

@Test(timeout = 30000)
public void testMultiScopeReaderGroup() throws Exception {
    LocalController controller = (LocalController) PRAVEGA.getLocalController();
    // Config of two streams with same name and different scopes.
    String defaultScope = "test";
    String scopeA = "scopeA";
    String scopeB = "scopeB";
    String streamName = "testMultiScopeReaderGroup";
    // Create Scopes
    controller.createScope(defaultScope).join();
    controller.createScope(scopeA).join();
    controller.createScope(scopeB).join();
    // Create Streams.
    controller.createStream(scopeA, streamName, getStreamConfig()).join();
    controller.createStream(scopeB, streamName, getStreamConfig()).join();
    // Create ReaderGroup and reader.
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl(defaultScope, controller, connectionFactory);
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl(defaultScope, controller, clientFactory);
    String groupName = "testMultiScopeReaderGroup-group";
    groupManager.createReaderGroup(groupName, ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream(Stream.of(scopeA, streamName)).stream(Stream.of(scopeB, streamName)).build());
    ReaderGroup readerGroup = groupManager.getReaderGroup(groupName);
    @Cleanup EventStreamReader<String> reader1 = clientFactory.createReader("reader1", groupName, new JavaSerializer<>(), ReaderConfig.builder().build());
    // Read empty stream.
    EventRead<String> eventRead = reader1.readNextEvent(100);
    assertNull("Event read should be null since no events are written", eventRead.getEvent());
    // Write to scopeA stream.
    writeTestEvent(scopeA, streamName, 0);
    eventRead = reader1.readNextEvent(10000);
    assertEquals("0", eventRead.getEvent());
    // Write to scopeB stream.
    writeTestEvent(scopeB, streamName, 1);
    eventRead = reader1.readNextEvent(10000);
    assertEquals("1", eventRead.getEvent());
    // Verify ReaderGroup.getStreamNames().
    Set<String> managedStreams = readerGroup.getStreamNames();
    assertTrue(managedStreams.contains(Stream.of(scopeA, streamName).getScopedName()));
    assertTrue(managedStreams.contains(Stream.of(scopeB, streamName).getScopedName()));
}