Examples with StreamSegmentStore io.pravega.segmentstore.contracts.StreamSegmentStore used on opensource projects

Example 26 with StreamSegmentStore

use of io.pravega.segmentstore.contracts.StreamSegmentStore in project pravega by pravega.

the class ScaleTest method main.

public static void main(String[] args) throws Exception {
    try {
        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
        @Cleanup TestingServer zkTestServer = new TestingServerStarter().start();
        ServiceBuilder serviceBuilder = ServiceBuilder.newInMemoryBuilder(ServiceBuilderConfig.getDefaultConfig());
        serviceBuilder.initialize();
        StreamSegmentStore store = serviceBuilder.createStreamSegmentService();
        int port = Config.SERVICE_PORT;
        @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, port, store);
        server.startListening();
        // Create controller object for testing against a separate controller report.
        @Cleanup ControllerWrapper controllerWrapper = new ControllerWrapper(zkTestServer.getConnectString(), port);
        Controller controller = controllerWrapper.getController();
        final String scope = "scope";
        controllerWrapper.getControllerService().createScope(scope).get();
        final String streamName = "stream1";
        final StreamConfiguration config = StreamConfiguration.builder().scope(scope).streamName(streamName).scalingPolicy(ScalingPolicy.fixed(1)).build();
        Stream stream = new StreamImpl(scope, streamName);
        log.info("Creating stream {}/{}", scope, streamName);
        if (!controller.createStream(config).get()) {
            log.error("Stream already existed, exiting");
            return;
        }
        // Test 1: scale stream: split one segment into two
        log.info("Scaling stream {}/{}, splitting one segment into two", scope, streamName);
        Map<Double, Double> map = new HashMap<>();
        map.put(0.0, 0.5);
        map.put(0.5, 1.0);
        if (!controller.scaleStream(stream, Collections.singletonList(0), map, executor).getFuture().get()) {
            log.error("Scale stream: splitting segment into two failed, exiting");
            return;
        }
        // Test 2: scale stream: merge two segments into one
        log.info("Scaling stream {}/{}, merging two segments into one", scope, streamName);
        CompletableFuture<Boolean> scaleResponseFuture = controller.scaleStream(stream, Arrays.asList(1, 2), Collections.singletonMap(0.0, 1.0), executor).getFuture();
        if (!scaleResponseFuture.get()) {
            log.error("Scale stream: merging two segments into one failed, exiting");
            return;
        }
        // Test 3: create a transaction, and try scale operation, it should fail with precondition check failure
        CompletableFuture<TxnSegments> txnFuture = controller.createTransaction(stream, 5000, 29000);
        TxnSegments transaction = txnFuture.get();
        if (transaction == null) {
            log.error("Create transaction failed, exiting");
            return;
        }
        log.info("Scaling stream {}/{}, splitting one segment into two, while transaction is ongoing", scope, streamName);
        scaleResponseFuture = controller.scaleStream(stream, Collections.singletonList(3), map, executor).getFuture();
        CompletableFuture<Boolean> future = scaleResponseFuture.whenComplete((r, e) -> {
            if (e != null) {
                log.error("Failed: scale with ongoing transaction.", e);
            } else if (getAndHandleExceptions(controller.checkTransactionStatus(stream, transaction.getTxnId()), RuntimeException::new) != Transaction.Status.OPEN) {
                log.info("Success: scale with ongoing transaction.");
            } else {
                log.error("Failed: scale with ongoing transaction.");
            }
        });
        CompletableFuture<Void> statusFuture = controller.abortTransaction(stream, transaction.getTxnId());
        statusFuture.get();
        future.get();
        log.info("All scaling test PASSED");
        executor.shutdown();
        System.exit(0);
    } catch (Throwable t) {
        log.error("test failed with {}", t);
        System.exit(-1);
    }
}

Example 27 with StreamSegmentStore

use of io.pravega.segmentstore.contracts.StreamSegmentStore in project pravega by pravega.

the class EndToEndAutoScaleUpWithTxnTest method main.

public static void main(String[] args) throws Exception {
    try {
        @Cleanup TestingServer zkTestServer = new TestingServerStarter().start();
        int port = Config.SERVICE_PORT;
        @Cleanup ControllerWrapper controllerWrapper = new ControllerWrapper(zkTestServer.getConnectString(), port);
        Controller controller = controllerWrapper.getController();
        controllerWrapper.getControllerService().createScope(NameUtils.INTERNAL_SCOPE_NAME).get();
        @Cleanup ConnectionFactory connectionFactory = new ConnectionFactoryImpl(ClientConfig.builder().build());
        @Cleanup ClientFactory internalCF = new ClientFactoryImpl(NameUtils.INTERNAL_SCOPE_NAME, controller, connectionFactory);
        ServiceBuilder serviceBuilder = ServiceBuilder.newInMemoryBuilder(ServiceBuilderConfig.getDefaultConfig());
        serviceBuilder.initialize();
        StreamSegmentStore store = serviceBuilder.createStreamSegmentService();
        @Cleanup SegmentStatsFactory segmentStatsFactory = new SegmentStatsFactory();
        SegmentStatsRecorder statsRecorder = segmentStatsFactory.createSegmentStatsRecorder(store, internalCF, AutoScalerConfig.builder().with(AutoScalerConfig.MUTE_IN_SECONDS, 0).with(AutoScalerConfig.COOLDOWN_IN_SECONDS, 0).build());
        @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, "localhost", 12345, store, statsRecorder, null, null, null);
        server.startListening();
        controllerWrapper.awaitRunning();
        controllerWrapper.getControllerService().createScope("test").get();
        controller.createStream(CONFIG).get();
        @Cleanup MockClientFactory clientFactory = new MockClientFactory("test", controller);
        // Mocking pravega service by putting scale up and scale down requests for the stream
        EventWriterConfig writerConfig = EventWriterConfig.builder().transactionTimeoutTime(30000).transactionTimeoutScaleGracePeriod(30000).build();
        EventStreamWriter<String> test = clientFactory.createEventWriter("test", new JavaSerializer<>(), writerConfig);
        // region Successful commit tests
        Transaction<String> txn1 = test.beginTxn();
        txn1.writeEvent("1");
        txn1.flush();
        Map<Double, Double> map = new HashMap<>();
        map.put(0.0, 1.0 / 3.0);
        map.put(1.0 / 3.0, 2.0 / 3.0);
        map.put(2.0 / 3.0, 1.0);
        Stream stream = new StreamImpl("test", "test");
        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
        controller.scaleStream(stream, Collections.singletonList(0), map, executor).getFuture().get();
        Transaction<String> txn2 = test.beginTxn();
        txn2.writeEvent("2");
        txn2.flush();
        txn2.commit();
        txn1.commit();
        Thread.sleep(1000);
        @Cleanup ReaderGroupManager readerGroupManager = new ReaderGroupManagerImpl("test", controller, clientFactory, connectionFactory);
        readerGroupManager.createReaderGroup("readergrp", ReaderGroupConfig.builder().stream("test").build());
        final EventStreamReader<String> reader = clientFactory.createReader("1", "readergrp", new JavaSerializer<>(), ReaderConfig.builder().build());
        String event1 = reader.readNextEvent(SECONDS.toMillis(60)).getEvent();
        String event2 = reader.readNextEvent(SECONDS.toMillis(60)).getEvent();
        assert event1.equals("1");
        assert event2.equals("2");
        final AtomicBoolean done = new AtomicBoolean(false);
        startWriter(test, done);
        Retry.withExpBackoff(10, 10, 100, 10000).retryingOn(NotDoneException.class).throwingOn(RuntimeException.class).runAsync(() -> controller.getCurrentSegments("test", "test").thenAccept(streamSegments -> {
            if (streamSegments.getSegments().size() > 3) {
                System.err.println("Success");
                log.info("Success");
                System.exit(0);
            } else {
                throw new NotDoneException();
            }
        }), Executors.newSingleThreadScheduledExecutor()).exceptionally(e -> {
            System.err.println("Failure");
            log.error("Failure");
            System.exit(1);
            return null;
        }).get();
    } catch (Throwable e) {
        System.err.print("Test failed with exception: " + e.getMessage());
        log.error("Test failed with exception: {}", e);
        System.exit(-1);
    }
    System.exit(0);
}

Example 28 with StreamSegmentStore

use of io.pravega.segmentstore.contracts.StreamSegmentStore in project pravega by pravega.

the class StartLocalService method main.

public static void main(String[] args) throws Exception {
    @Cleanup ServiceBuilder serviceBuilder = ServiceBuilder.newInMemoryBuilder(ServiceBuilderConfig.getDefaultConfig());
    serviceBuilder.initialize();
    StreamSegmentStore store = serviceBuilder.createStreamSegmentService();
    @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, StartLocalService.SERVICE_PORT, store);
    server.startListening();
    @Cleanup MockStreamManager streamManager = new MockStreamManager(SCOPE, "localhost", StartLocalService.SERVICE_PORT);
    streamManager.createScope(SCOPE);
    streamManager.createStream(SCOPE, STREAM_NAME, null);
    Thread.sleep(60000);
    System.exit(0);
}

Example 29 with StreamSegmentStore

use of io.pravega.segmentstore.contracts.StreamSegmentStore in project pravega by pravega.

the class AppendTest method appendThroughSegmentClient.

@Test
public void appendThroughSegmentClient() throws Exception {
    String endpoint = "localhost";
    int port = TestUtils.getAvailableListenPort();
    String testString = "Hello world\n";
    String scope = "scope";
    String stream = "stream";
    StreamSegmentStore store = this.serviceBuilder.createStreamSegmentService();
    @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, port, store);
    server.startListening();
    @Cleanup ConnectionFactory clientCF = new ConnectionFactoryImpl(ClientConfig.builder().build());
    Controller controller = new MockController(endpoint, port, clientCF);
    controller.createScope(scope);
    controller.createStream(StreamConfiguration.builder().scope(scope).streamName(stream).build());
    SegmentOutputStreamFactoryImpl segmentClient = new SegmentOutputStreamFactoryImpl(controller, clientCF);
    Segment segment = Futures.getAndHandleExceptions(controller.getCurrentSegments(scope, stream), RuntimeException::new).getSegments().iterator().next();
    @Cleanup SegmentOutputStream out = segmentClient.createOutputStreamForSegment(segment, segmentSealedCallback, EventWriterConfig.builder().build(), "");
    CompletableFuture<Boolean> ack = new CompletableFuture<>();
    out.write(new PendingEvent(null, ByteBuffer.wrap(testString.getBytes()), ack));
    assertTrue(ack.get(5, TimeUnit.SECONDS));
}

Example 30 with StreamSegmentStore

use of io.pravega.segmentstore.contracts.StreamSegmentStore in project pravega by pravega.

the class AppendTest method testMultipleAppends.

@Test(timeout = 10000)
public void testMultipleAppends() throws Exception {
    String segment = "123";
    ByteBuf data = Unpooled.wrappedBuffer("Hello world\n".getBytes());
    StreamSegmentStore store = this.serviceBuilder.createStreamSegmentService();
    @Cleanup EmbeddedChannel channel = createChannel(store);
    SegmentCreated created = (SegmentCreated) sendRequest(channel, new CreateSegment(1, segment, CreateSegment.NO_SCALE, 0, ""));
    assertEquals(segment, created.getSegment());
    UUID uuid = UUID.randomUUID();
    AppendSetup setup = (AppendSetup) sendRequest(channel, new SetupAppend(2, uuid, segment, ""));
    assertEquals(segment, setup.getSegment());
    assertEquals(uuid, setup.getWriterId());
    data.retain();
    DataAppended ack = (DataAppended) sendRequest(channel, new Append(segment, uuid, 1, data, null));
    assertEquals(uuid, ack.getWriterId());
    assertEquals(1, ack.getEventNumber());
    assertEquals(Long.MIN_VALUE, ack.getPreviousEventNumber());
    DataAppended ack2 = (DataAppended) sendRequest(channel, new Append(segment, uuid, 2, data, null));
    assertEquals(uuid, ack2.getWriterId());
    assertEquals(2, ack2.getEventNumber());
    assertEquals(1, ack2.getPreviousEventNumber());
}