Examples with ClientFactory io.pravega.client.ClientFactory used on opensource projects

Example 21 with ClientFactory

use of io.pravega.client.ClientFactory in project pravega by pravega.

the class InProcPravegaClusterTest method createTestStream.

/**
 * Create the test stream.
 *
 * @throws Exception on any errors.
 */
@Test
public void createTestStream() throws Exception {
    Assert.assertNotNull("Pravega not initialized", localPravega);
    String scope = "Scope";
    String streamName = "Stream";
    int numSegments = 10;
    ClientConfig clientConfig = ClientConfig.builder().controllerURI(URI.create(localPravega.getInProcPravegaCluster().getControllerURI())).credentials(new DefaultCredentials("1111_aaaa", "admin")).trustStore("../config/cert.pem").validateHostName(false).build();
    @Cleanup StreamManager streamManager = StreamManager.create(clientConfig);
    streamManager.createScope(scope);
    Assert.assertTrue("Stream creation is not successful ", streamManager.createStream(scope, streamName, StreamConfiguration.builder().scope(scope).streamName(streamName).scalingPolicy(ScalingPolicy.fixed(numSegments)).build()));
    log.info("Created stream: " + streamName);
    ClientFactory clientFactory = ClientFactory.withScope(scope, clientConfig);
    EventStreamWriter<String> writer = clientFactory.createEventWriter(streamName, new JavaSerializer<String>(), EventWriterConfig.builder().build());
    log.info("Created writer for stream: " + streamName);
    writer.writeEvent("hello").get();
    log.info("Wrote data to the stream");
}

Example 22 with ClientFactory

use of io.pravega.client.ClientFactory in project pravega by pravega.

the class EndToEndAutoScaleUpTest 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, false);
        Controller controller = controllerWrapper.getController();
        ClientFactory internalCF = new ClientFactoryImpl(NameUtils.INTERNAL_SCOPE_NAME, controller, new ConnectionFactoryImpl(ClientConfig.builder().build()));
        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
        EventStreamWriter<String> test = clientFactory.createEventWriter("test", new JavaSerializer<>(), EventWriterConfig.builder().build());
        // keep writing. Scale should happen
        long start = System.currentTimeMillis();
        char[] chars = new char[1];
        Arrays.fill(chars, 'a');
        String str = new String(chars);
        CompletableFuture.runAsync(() -> {
            while (System.currentTimeMillis() - start < Duration.ofMinutes(3).toMillis()) {
                try {
                    test.writeEvent("0", str).get();
                } catch (Throwable e) {
                    System.err.println("test exception writing events " + e.getMessage());
                    break;
                }
            }
        });
        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());
        System.exit(-1);
    }
    System.exit(0);
}

Example 23 with ClientFactory

use of io.pravega.client.ClientFactory in project pravega by pravega.

the class EndToEndAutoScaleDownTest 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, false);
        Controller controller = controllerWrapper.getController();
        controllerWrapper.getControllerService().createScope(NameUtils.INTERNAL_SCOPE_NAME).get();
        ClientFactory internalCF = new ClientFactoryImpl(NameUtils.INTERNAL_SCOPE_NAME, controller, new ConnectionFactoryImpl(ClientConfig.builder().build()));
        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).with(AutoScalerConfig.CACHE_CLEANUP_IN_SECONDS, 5).with(AutoScalerConfig.CACHE_EXPIRY_IN_SECONDS, 30).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();
        Stream stream = new StreamImpl("test", "test");
        Map<Double, Double> map = new HashMap<>();
        map.put(0.0, 0.33);
        map.put(0.33, 0.66);
        map.put(0.66, 1.0);
        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
        controller.scaleStream(stream, Collections.singletonList(0), map, executor).getFuture().get();
        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());
        System.exit(-1);
    }
    System.exit(0);
}

Example 24 with ClientFactory

use of io.pravega.client.ClientFactory in project pravega by pravega.

the class ControllerRestApiTest method restApiTests.

@Test
public void restApiTests() {
    Invocation.Builder builder;
    Response response;
    restServerURI = SETUP_UTILS.getControllerRestUri().toString();
    log.info("REST Server URI: {}", restServerURI);
    // TEST REST server status, ping test
    resourceURl = new StringBuilder(restServerURI).append("/ping").toString();
    webTarget = client.target(resourceURl);
    builder = webTarget.request();
    response = builder.get();
    assertEquals("Ping test", OK.getStatusCode(), response.getStatus());
    log.info("REST Server is running. Ping successful.");
    final String scope1 = RandomStringUtils.randomAlphanumeric(10);
    final String stream1 = RandomStringUtils.randomAlphanumeric(10);
    // TEST CreateScope POST http://controllerURI:Port/v1/scopes
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes").toString();
    webTarget = client.target(resourceURl);
    final CreateScopeRequest createScopeRequest = new CreateScopeRequest();
    createScopeRequest.setScopeName(scope1);
    builder = webTarget.request(MediaType.APPLICATION_JSON_TYPE);
    response = builder.post(Entity.json(createScopeRequest));
    assertEquals("Create scope status", CREATED.getStatusCode(), response.getStatus());
    Assert.assertEquals("Create scope response", scope1, response.readEntity(ScopeProperty.class).getScopeName());
    log.info("Create scope: {} successful ", scope1);
    // TEST CreateStream POST  http://controllerURI:Port/v1/scopes/{scopeName}/streams
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1 + "/streams").toString();
    webTarget = client.target(resourceURl);
    CreateStreamRequest createStreamRequest = new CreateStreamRequest();
    ScalingConfig scalingConfig = new ScalingConfig();
    scalingConfig.setType(ScalingConfig.TypeEnum.FIXED_NUM_SEGMENTS);
    scalingConfig.setTargetRate(2);
    scalingConfig.scaleFactor(2);
    scalingConfig.minSegments(2);
    RetentionConfig retentionConfig = new RetentionConfig();
    retentionConfig.setType(RetentionConfig.TypeEnum.LIMITED_DAYS);
    retentionConfig.setValue(123L);
    createStreamRequest.setStreamName(stream1);
    createStreamRequest.setScalingPolicy(scalingConfig);
    createStreamRequest.setRetentionPolicy(retentionConfig);
    builder = webTarget.request(MediaType.APPLICATION_JSON_TYPE);
    response = builder.post(Entity.json(createStreamRequest));
    assertEquals("Create stream status", CREATED.getStatusCode(), response.getStatus());
    final StreamProperty streamPropertyResponse = response.readEntity(StreamProperty.class);
    assertEquals("Scope name in response", scope1, streamPropertyResponse.getScopeName());
    assertEquals("Stream name in response", stream1, streamPropertyResponse.getStreamName());
    log.info("Create stream: {} successful", stream1);
    // Test listScopes  GET http://controllerURI:Port/v1/scopes/{scopeName}/streams
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes").toString();
    webTarget = client.target(resourceURl);
    builder = webTarget.request();
    response = builder.get();
    assertEquals("List scopes", OK.getStatusCode(), response.getStatus());
    log.info("List scopes successful");
    // Test listStream GET /v1/scopes/scope1/streams
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1 + "/streams").toString();
    webTarget = client.target(resourceURl);
    builder = webTarget.request();
    response = builder.get();
    assertEquals("List streams", OK.getStatusCode(), response.getStatus());
    Assert.assertEquals("List streams size", 1, response.readEntity(StreamsList.class).getStreams().size());
    log.info("List streams successful");
    // Test getScope
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1).toString();
    response = client.target(resourceURl).request().get();
    assertEquals("Get scope status", OK.getStatusCode(), response.getStatus());
    assertEquals("Get scope scope1 response", scope1, response.readEntity(ScopeProperty.class).getScopeName());
    log.info("Get scope successful");
    // Test updateStream
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1 + "/streams/" + stream1).toString();
    UpdateStreamRequest updateStreamRequest = new UpdateStreamRequest();
    ScalingConfig scalingConfig1 = new ScalingConfig();
    scalingConfig1.setType(ScalingConfig.TypeEnum.FIXED_NUM_SEGMENTS);
    scalingConfig1.setTargetRate(2);
    // update existing scaleFactor from 2 to 3
    scalingConfig1.scaleFactor(3);
    // update existing minSegments from 2 to 4
    scalingConfig1.minSegments(4);
    updateStreamRequest.setScalingPolicy(scalingConfig1);
    updateStreamRequest.setRetentionPolicy(retentionConfig);
    response = client.target(resourceURl).request(MediaType.APPLICATION_JSON_TYPE).put(Entity.json(updateStreamRequest));
    assertEquals("Update stream status", OK.getStatusCode(), response.getStatus());
    assertEquals("Verify updated property", 4, response.readEntity(StreamProperty.class).getScalingPolicy().getMinSegments().intValue());
    log.info("Update stream successful");
    // Test getStream
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1 + "/streams/" + stream1).toString();
    response = client.target(resourceURl).request().get();
    assertEquals("Get stream status", OK.getStatusCode(), response.getStatus());
    assertEquals("Get stream stream1 response", stream1, response.readEntity(StreamProperty.class).getStreamName());
    log.info("Get stream successful");
    // Test updateStreamState
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1 + "/streams/" + stream1 + "/state").toString();
    StreamState streamState = new StreamState();
    streamState.setStreamState(StreamState.StreamStateEnum.SEALED);
    response = client.target(resourceURl).request(MediaType.APPLICATION_JSON_TYPE).put(Entity.json(streamState));
    assertEquals("UpdateStreamState status", OK.getStatusCode(), response.getStatus());
    assertEquals("UpdateStreamState status in response", streamState.getStreamState(), response.readEntity(StreamState.class).getStreamState());
    log.info("Update stream state successful");
    // Test deleteStream
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1 + "/streams/" + stream1).toString();
    response = client.target(resourceURl).request().delete();
    assertEquals("DeleteStream status", NO_CONTENT.getStatusCode(), response.getStatus());
    log.info("Delete stream successful");
    // Test deleteScope
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + scope1).toString();
    response = client.target(resourceURl).request().delete();
    assertEquals("Get scope status", NO_CONTENT.getStatusCode(), response.getStatus());
    log.info("Delete Scope successful");
    // Test reader groups APIs.
    // Prepare the streams and readers using the admin client.
    final String testScope = RandomStringUtils.randomAlphanumeric(10);
    final String testStream1 = RandomStringUtils.randomAlphanumeric(10);
    final String testStream2 = RandomStringUtils.randomAlphanumeric(10);
    URI controllerUri = SETUP_UTILS.getControllerUri();
    @Cleanup("shutdown") InlineExecutor inlineExecutor = new InlineExecutor();
    try (StreamManager streamManager = new StreamManagerImpl(createController(controllerUri, inlineExecutor))) {
        log.info("Creating scope: {}", testScope);
        streamManager.createScope(testScope);
        log.info("Creating stream: {}", testStream1);
        StreamConfiguration streamConf1 = StreamConfiguration.builder().scope(testScope).streamName(testStream1).scalingPolicy(ScalingPolicy.fixed(1)).build();
        streamManager.createStream(testScope, testStream1, streamConf1);
        log.info("Creating stream: {}", testStream2);
        StreamConfiguration streamConf2 = StreamConfiguration.builder().scope(testScope).streamName(testStream2).scalingPolicy(ScalingPolicy.fixed(1)).build();
        streamManager.createStream(testScope, testStream2, streamConf2);
    }
    final String readerGroupName1 = RandomStringUtils.randomAlphanumeric(10);
    final String readerGroupName2 = RandomStringUtils.randomAlphanumeric(10);
    final String reader1 = RandomStringUtils.randomAlphanumeric(10);
    final String reader2 = RandomStringUtils.randomAlphanumeric(10);
    try (ClientFactory clientFactory = new ClientFactoryImpl(testScope, createController(controllerUri, inlineExecutor));
        ReaderGroupManager readerGroupManager = ReaderGroupManager.withScope(testScope, ClientConfig.builder().controllerURI(controllerUri).build())) {
        readerGroupManager.createReaderGroup(readerGroupName1, ReaderGroupConfig.builder().stream(Stream.of(testScope, testStream1)).stream(Stream.of(testScope, testStream2)).build());
        readerGroupManager.createReaderGroup(readerGroupName2, ReaderGroupConfig.builder().stream(Stream.of(testScope, testStream1)).stream(Stream.of(testScope, testStream2)).build());
        clientFactory.createReader(reader1, readerGroupName1, new JavaSerializer<Long>(), ReaderConfig.builder().build());
        clientFactory.createReader(reader2, readerGroupName1, new JavaSerializer<Long>(), ReaderConfig.builder().build());
    }
    // Test fetching readergroups.
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + testScope + "/readergroups").toString();
    response = client.target(resourceURl).request().get();
    assertEquals("Get readergroups status", OK.getStatusCode(), response.getStatus());
    ReaderGroupsList readerGroupsList = response.readEntity(ReaderGroupsList.class);
    assertEquals("Get readergroups size", 2, readerGroupsList.getReaderGroups().size());
    assertTrue(readerGroupsList.getReaderGroups().contains(new ReaderGroupsListReaderGroups().readerGroupName(readerGroupName1)));
    assertTrue(readerGroupsList.getReaderGroups().contains(new ReaderGroupsListReaderGroups().readerGroupName(readerGroupName2)));
    log.info("Get readergroups successful");
    // Test fetching readergroup info.
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + testScope + "/readergroups/" + readerGroupName1).toString();
    response = client.target(resourceURl).request().get();
    assertEquals("Get readergroup properties status", OK.getStatusCode(), response.getStatus());
    ReaderGroupProperty readerGroupProperty = response.readEntity(ReaderGroupProperty.class);
    assertEquals("Get readergroup name", readerGroupName1, readerGroupProperty.getReaderGroupName());
    assertEquals("Get readergroup scope name", testScope, readerGroupProperty.getScopeName());
    assertEquals("Get readergroup streams size", 2, readerGroupProperty.getStreamList().size());
    assertTrue(readerGroupProperty.getStreamList().contains(testStream1));
    assertTrue(readerGroupProperty.getStreamList().contains(testStream2));
    assertEquals("Get readergroup onlinereaders size", 2, readerGroupProperty.getOnlineReaderIds().size());
    assertTrue(readerGroupProperty.getOnlineReaderIds().contains(reader1));
    assertTrue(readerGroupProperty.getOnlineReaderIds().contains(reader2));
    // Test readergroup or scope not found.
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + testScope + "/readergroups/" + "unknownreadergroup").toString();
    response = client.target(resourceURl).request().get();
    assertEquals("Get readergroup properties status", NOT_FOUND.getStatusCode(), response.getStatus());
    resourceURl = new StringBuilder(restServerURI).append("/v1/scopes/" + "unknownscope" + "/readergroups/" + readerGroupName1).toString();
    response = client.target(resourceURl).request().get();
    assertEquals("Get readergroup properties status", NOT_FOUND.getStatusCode(), response.getStatus());
    log.info("Get readergroup properties successful");
    log.info("Test restApiTests passed successfully!");
}

Example 25 with ClientFactory

use of io.pravega.client.ClientFactory in project pravega by pravega.

the class StreamCutsTest method testReaderGroupCuts.

@Test(timeout = 40000)
public void testReaderGroupCuts() throws Exception {
    StreamConfiguration config = StreamConfiguration.builder().scope("test").streamName("test").scalingPolicy(ScalingPolicy.byEventRate(10, 2, 1)).build();
    Controller controller = controllerWrapper.getController();
    controllerWrapper.getControllerService().createScope("test").get();
    controller.createStream(config).get();
    @Cleanup ConnectionFactory connectionFactory = new ConnectionFactoryImpl(ClientConfig.builder().build());
    @Cleanup ClientFactory clientFactory = new ClientFactoryImpl("test", controller, connectionFactory);
    @Cleanup EventStreamWriter<String> writer = clientFactory.createEventWriter("test", new JavaSerializer<>(), EventWriterConfig.builder().build());
    writer.writeEvent("0", "fpj was here").get();
    writer.writeEvent("0", "fpj was here again").get();
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl("test", controller, clientFactory, connectionFactory);
    ReaderGroup readerGroup = groupManager.createReaderGroup("cuts", ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream("test/test").build());
    @Cleanup EventStreamReader<String> reader = clientFactory.createReader("readerId", "cuts", new JavaSerializer<>(), ReaderConfig.builder().build());
    EventRead<String> firstEvent = reader.readNextEvent(15000);
    EventRead<String> secondEvent = reader.readNextEvent(15000);
    assertNotNull(firstEvent);
    assertEquals("fpj was here", firstEvent.getEvent());
    assertNotNull(secondEvent);
    assertEquals("fpj was here again", secondEvent.getEvent());
    Map<Stream, StreamCut> cuts = readerGroup.getStreamCuts();
    validateCuts(readerGroup, cuts, Collections.singleton("test/test/0"));
    // Scale the stream to verify that we get more segments in the cut.
    Stream stream = Stream.of("test", "test");
    Map<Double, Double> map = new HashMap<>();
    map.put(0.0, 0.5);
    map.put(0.5, 1.0);
    Boolean result = controller.scaleStream(stream, Collections.singletonList(0), map, executor).getFuture().get();
    assertTrue(result);
    log.info("Finished 1st scaling");
    writer.writeEvent("0", "fpj was here again").get();
    writer.writeEvent("1", "fpj was here again").get();
    reader.readNextEvent(15000);
    cuts = readerGroup.getStreamCuts();
    HashSet<String> segmentNames = new HashSet<>();
    segmentNames.add("test/test/1");
    segmentNames.add("test/test/2");
    validateCuts(readerGroup, cuts, Collections.unmodifiableSet(segmentNames));
    // Scale down to verify that the number drops back.
    map = new HashMap<>();
    map.put(0.0, 1.0);
    ArrayList<Integer> toSeal = new ArrayList<>();
    toSeal.add(1);
    toSeal.add(2);
    result = controller.scaleStream(stream, Collections.unmodifiableList(toSeal), map, executor).getFuture().get();
    assertTrue(result);
    log.info("Finished 2nd scaling");
    writer.writeEvent("0", "fpj was here again").get();
    reader.readNextEvent(15000);
    reader.readNextEvent(15000);
    cuts = readerGroup.getStreamCuts();
    validateCuts(readerGroup, cuts, Collections.singleton("test/test/3"));
    // Scale up to 4 segments again.
    map = new HashMap<>();
    map.put(0.0, 0.25);
    map.put(0.25, 0.5);
    map.put(0.5, 0.75);
    map.put(0.75, 1.0);
    result = controller.scaleStream(stream, Collections.singletonList(3), map, executor).getFuture().get();
    assertTrue(result);
    log.info("Finished 3rd scaling");
    writer.writeEvent("0", "fpj was here again").get();
    reader.readNextEvent(15000);
    cuts = readerGroup.getStreamCuts();
    segmentNames = new HashSet<>();
    segmentNames.add("test/test/4");
    segmentNames.add("test/test/5");
    segmentNames.add("test/test/6");
    segmentNames.add("test/test/7");
    validateCuts(readerGroup, cuts, Collections.unmodifiableSet(segmentNames));
}