Examples with TestingServer org.apache.curator.test.TestingServer used on opensource projects

Example 21 with TestingServer

use of org.apache.curator.test.TestingServer in project pravega by pravega.

the class HostStoreTest method zkHostStoreTests.

@Test
public void zkHostStoreTests() {
    try {
        @Cleanup TestingServer zkTestServer = new TestingServerStarter().start();
        ZKClientConfig zkClientConfig = ZKClientConfigImpl.builder().connectionString(zkTestServer.getConnectString()).initialSleepInterval(2000).maxRetries(1).sessionTimeoutMs(10 * 1000).namespace("hostStoreTest/" + UUID.randomUUID()).build();
        StoreClientConfig storeClientConfig = StoreClientConfigImpl.withZKClient(zkClientConfig);
        @Cleanup StoreClient storeClient = StoreClientFactory.createStoreClient(storeClientConfig);
        HostMonitorConfig hostMonitorConfig = HostMonitorConfigImpl.builder().hostMonitorEnabled(true).hostMonitorMinRebalanceInterval(10).containerCount(containerCount).build();
        // Create ZK based host store.
        HostControllerStore hostStore = HostStoreFactory.createStore(hostMonitorConfig, storeClient);
        // Update host store map.
        hostStore.updateHostContainersMap(HostMonitorConfigImpl.getHostContainerMap(host, controllerPort, containerCount));
        validateStore(hostStore);
    } catch (Exception e) {
        log.error("Unexpected error", e);
        Assert.fail();
    }
}

Example 22 with TestingServer

use of org.apache.curator.test.TestingServer in project pravega by pravega.

the class EventProcessorTest method testEventProcessor.

@Test(timeout = 60000)
public void testEventProcessor() throws Exception {
    @Cleanup TestingServer zkTestServer = new TestingServerStarter().start();
    ServiceBuilder serviceBuilder = ServiceBuilder.newInMemoryBuilder(ServiceBuilderConfig.getDefaultConfig());
    serviceBuilder.initialize();
    StreamSegmentStore store = serviceBuilder.createStreamSegmentService();
    int servicePort = TestUtils.getAvailableListenPort();
    @Cleanup PravegaConnectionListener server = new PravegaConnectionListener(false, servicePort, store);
    server.startListening();
    int controllerPort = TestUtils.getAvailableListenPort();
    @Cleanup ControllerWrapper controllerWrapper = new ControllerWrapper(zkTestServer.getConnectString(), true, controllerPort, "localhost", servicePort, 4);
    controllerWrapper.awaitRunning();
    Controller controller = controllerWrapper.getController();
    // Create controller object for testing against a separate controller process.
    // ControllerImpl controller = new ControllerImpl("localhost", 9090);
    final String host = "host";
    final String scope = "controllerScope";
    final String streamName = "stream1";
    final String readerGroup = "readerGroup";
    final CompletableFuture<Boolean> createScopeStatus = controller.createScope(scope);
    if (!createScopeStatus.join()) {
        throw new RuntimeException("Scope already existed");
    }
    final StreamConfiguration config = StreamConfiguration.builder().scope(scope).streamName(streamName).scalingPolicy(ScalingPolicy.fixed(1)).build();
    System.err.println(String.format("Creating stream (%s, %s)", scope, streamName));
    CompletableFuture<Boolean> createStatus = controller.createStream(config);
    if (!createStatus.get()) {
        System.err.println("Stream alrady existed, exiting");
        return;
    }
    @Cleanup ConnectionFactoryImpl connectionFactory = new ConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory);
    @Cleanup EventStreamWriter<TestEvent> producer = clientFactory.createEventWriter(streamName, new JavaSerializer<>(), EventWriterConfig.builder().build());
    int[] input = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
    int expectedSum = input.length * (input.length + 1) / 2;
    for (int i = 0; i < input.length; i++) {
        producer.writeEvent("key", new TestEvent(input[i]));
    }
    producer.writeEvent("key", new TestEvent(-1));
    producer.flush();
    EventProcessorSystem system = new EventProcessorSystemImpl("Controller", host, scope, new ClientFactoryImpl(scope, controller, connectionFactory), new ReaderGroupManagerImpl(scope, controller, clientFactory, connectionFactory));
    CheckpointConfig.CheckpointPeriod period = CheckpointConfig.CheckpointPeriod.builder().numEvents(1).numSeconds(1).build();
    CheckpointConfig checkpointConfig = CheckpointConfig.builder().type(CheckpointConfig.Type.Periodic).checkpointPeriod(period).build();
    EventProcessorGroupConfig eventProcessorGroupConfig = EventProcessorGroupConfigImpl.builder().eventProcessorCount(1).readerGroupName(readerGroup).streamName(streamName).checkpointConfig(checkpointConfig).build();
    CompletableFuture<Long> result = new CompletableFuture<>();
    // Test case 1. Actor does not throw any exception during normal operation.
    EventProcessorConfig<TestEvent> eventProcessorConfig = EventProcessorConfig.<TestEvent>builder().supplier(() -> new TestEventProcessor(false, result)).serializer(new JavaSerializer<>()).decider((Throwable e) -> ExceptionHandler.Directive.Stop).config(eventProcessorGroupConfig).build();
    @Cleanup EventProcessorGroup<TestEvent> eventProcessorGroup = system.createEventProcessorGroup(eventProcessorConfig, CheckpointStoreFactory.createInMemoryStore());
    Long value = result.join();
    Assert.assertEquals(expectedSum, value.longValue());
    log.info("SUCCESS: received expected sum = " + expectedSum);
}

Example 23 with TestingServer

use of org.apache.curator.test.TestingServer 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 24 with TestingServer

use of org.apache.curator.test.TestingServer 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 25 with TestingServer

use of org.apache.curator.test.TestingServer in project hive by apache.

the class TestServiceDiscoveryWithMiniHS2 method beforeTest.

@BeforeClass
public static void beforeTest() throws Exception {
    MiniHS2.cleanupLocalDir();
    zkServer = new TestingServer();
    Class.forName(MiniHS2.getJdbcDriverName());
    hiveConf = new HiveConf();
    hiveConf.setBoolVar(ConfVars.HIVE_SUPPORT_CONCURRENCY, false);
    // Set up zookeeper dynamic service discovery configs
    enableZKServiceDiscoveryConfigs(hiveConf);
    dataFileDir = hiveConf.get("test.data.files").replace('\\', '/').replace("c:", "");
    kvDataFilePath = new Path(dataFileDir, "kv1.txt");
}