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

Example 46 with ReaderGroupManager

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

the class ControllerRestApiTest method restApiTests.

@Test(timeout = 300000)
public void restApiTests() {
    Service conService = Utils.createPravegaControllerService(null);
    List<URI> ctlURIs = conService.getServiceDetails();
    URI controllerRESTUri = ctlURIs.get(1);
    Invocation.Builder builder;
    Response response;
    restServerURI = "http://" + controllerRESTUri.getHost() + ":" + controllerRESTUri.getPort();
    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 = ctlURIs.get(0);
    try (StreamManager streamManager = new StreamManagerImpl(ClientConfig.builder().controllerURI(controllerUri).build())) {
        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);
    @Cleanup("shutdown") InlineExecutor executor = new InlineExecutor();
    Controller controller = new ControllerImpl(ControllerImplConfig.builder().clientConfig(ClientConfig.builder().controllerURI(controllerUri).build()).build(), executor);
    try (ClientFactory clientFactory = new ClientFactoryImpl(testScope, controller);
        ReaderGroupManager readerGroupManager = ReaderGroupManager.withScope(testScope, ClientConfig.builder().controllerURI(controllerUri).build())) {
        final ReaderGroupConfig config = ReaderGroupConfig.builder().stream(Stream.of(testScope, testStream1)).stream(Stream.of(testScope, testStream2)).build();
        readerGroupManager.createReaderGroup(readerGroupName1, config);
        readerGroupManager.createReaderGroup(readerGroupName2, config);
        clientFactory.createReader(reader1, readerGroupName1, new JavaSerializer<Long>(), ReaderConfig.builder().build());
        clientFactory.createReader(reader2, readerGroupName1, new JavaSerializer<Long>(), ReaderConfig.builder().build());
    }
    // Verify the reader group info using REST APIs.
    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 47 with ReaderGroupManager

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

the class RetentionTest method retentionTest.

@Test
public void retentionTest() throws Exception {
    ConnectionFactory connectionFactory = new ConnectionFactoryImpl(ClientConfig.builder().build());
    ControllerImpl controller = new ControllerImpl(ControllerImplConfig.builder().clientConfig(ClientConfig.builder().controllerURI(controllerURI).build()).build(), connectionFactory.getInternalExecutor());
    ClientFactory clientFactory = new ClientFactoryImpl(SCOPE, controller);
    log.info("Invoking Writer test with Controller URI: {}", controllerURI);
    // create a writer
    EventStreamWriter<Serializable> writer = clientFactory.createEventWriter(STREAM, new JavaSerializer<>(), EventWriterConfig.builder().build());
    // write an event
    String writeEvent = "event";
    writer.writeEvent(writeEvent);
    writer.flush();
    log.debug("Writing event: {} ", writeEvent);
    // sleep for 4 mins
    Exceptions.handleInterrupted(() -> Thread.sleep(5 * 60 * 1000));
    // create a reader
    ReaderGroupManager groupManager = ReaderGroupManager.withScope(SCOPE, controllerURI);
    groupManager.createReaderGroup(READER_GROUP, ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream(Stream.of(SCOPE, STREAM)).build());
    EventStreamReader<String> reader = clientFactory.createReader(UUID.randomUUID().toString(), READER_GROUP, new JavaSerializer<>(), ReaderConfig.builder().build());
    // expectation is it should have been truncated and we should find stream to be empty
    try {
        String readEvent = reader.readNextEvent(6000).getEvent();
        log.debug("Reading event: {} ", readEvent);
        assertEquals(null, readEvent);
    } catch (ReinitializationRequiredException e) {
        log.error("Unexpected request to reinitialize {}", e);
        Assert.fail("Unexpected request to reinitialize.Test failed.");
    }
    log.debug("The stream is already truncated.Simple retention test passed.");
}

Example 48 with ReaderGroupManager

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

the class StreamMetadataResourceImpl method getReaderGroup.

@Override
public void getReaderGroup(final String scopeName, final String readerGroupName, final SecurityContext securityContext, final AsyncResponse asyncResponse) {
    long traceId = LoggerHelpers.traceEnter(log, "getReaderGroup");
    long requestId = requestIdGenerator.nextLong();
    try {
        restAuthHelper.authenticateAuthorize(getAuthorizationHeader(), authorizationResource.ofReaderGroupInScope(scopeName, readerGroupName), READ);
    } catch (AuthException e) {
        log.warn(requestId, "Get reader group for {} failed due to authentication failure.", scopeName + "/" + readerGroupName);
        asyncResponse.resume(Response.status(Status.fromStatusCode(e.getResponseCode())).build());
        LoggerHelpers.traceLeave(log, "getReaderGroup", traceId);
        return;
    }
    ClientFactoryImpl clientFactory = new ClientFactoryImpl(scopeName, this.localController, this.clientConfig);
    ReaderGroupManager readerGroupManager = new ReaderGroupManagerImpl(scopeName, this.localController, clientFactory);
    ReaderGroupProperty readerGroupProperty = new ReaderGroupProperty();
    readerGroupProperty.setScopeName(scopeName);
    readerGroupProperty.setReaderGroupName(readerGroupName);
    CompletableFuture.supplyAsync(() -> {
        ReaderGroup readerGroup = readerGroupManager.getReaderGroup(readerGroupName);
        readerGroupProperty.setOnlineReaderIds(new ArrayList<>(readerGroup.getOnlineReaders()));
        readerGroupProperty.setStreamList(new ArrayList<>(readerGroup.getStreamNames()));
        return Response.status(Status.OK).entity(readerGroupProperty).build();
    }, controllerService.getExecutor()).exceptionally(exception -> {
        log.warn(requestId, "getReaderGroup for {} failed with exception: ", readerGroupName, exception);
        if (exception.getCause() instanceof ReaderGroupNotFoundException) {
            return Response.status(Status.NOT_FOUND).build();
        } else {
            return Response.status(Status.INTERNAL_SERVER_ERROR).build();
        }
    }).thenAccept(response -> {
        asyncResponse.resume(response);
        readerGroupManager.close();
        clientFactory.close();
        LoggerHelpers.traceLeave(log, "getReaderGroup", traceId);
    });
}

Example 49 with ReaderGroupManager

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

the class EndToEndCBRTest method testReaderGroupAutoRetention.

@Test(timeout = 60000)
public void testReaderGroupAutoRetention() throws Exception {
    String scope = "test";
    String streamName = "testReaderGroupAutoRetention";
    String groupName = "testReaderGroupAutoRetention-group";
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).retentionPolicy(RetentionPolicy.bySizeBytes(10, Long.MAX_VALUE)).build();
    LocalController controller = (LocalController) PRAVEGA.getLocalController();
    controller.createScope(scope).get();
    controller.createStream(scope, streamName, config).get();
    Stream stream = Stream.of(scope, streamName);
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory);
    // write events
    @Cleanup EventStreamWriter<String> writer = clientFactory.createEventWriter(streamName, serializer, EventWriterConfig.builder().build());
    writer.writeEvent("1", "e1").join();
    writer.writeEvent("2", "e2").join();
    // Create a ReaderGroup
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl(scope, controller, clientFactory);
    groupManager.createReaderGroup(groupName, ReaderGroupConfig.builder().disableAutomaticCheckpoints().retentionType(ReaderGroupConfig.StreamDataRetention.AUTOMATIC_RELEASE_AT_LAST_CHECKPOINT).stream(stream).build());
    // Create a Reader
    AtomicLong clock = new AtomicLong();
    @Cleanup EventStreamReader<String> reader = clientFactory.createReader("reader1", groupName, serializer, ReaderConfig.builder().build(), clock::get, clock::get);
    clock.addAndGet(CLOCK_ADVANCE_INTERVAL);
    EventRead<String> read = reader.readNextEvent(60000);
    assertEquals("e1", read.getEvent());
    clock.addAndGet(CLOCK_ADVANCE_INTERVAL);
    @Cleanup("shutdown") final InlineExecutor backgroundExecutor = new InlineExecutor();
    ReaderGroup readerGroup = groupManager.getReaderGroup(groupName);
    CompletableFuture<Checkpoint> checkpoint = readerGroup.initiateCheckpoint("Checkpoint", backgroundExecutor);
    assertFalse(checkpoint.isDone());
    read = reader.readNextEvent(60000);
    assertTrue(read.isCheckpoint());
    assertEquals("Checkpoint", read.getCheckpointName());
    assertNull(read.getEvent());
    clock.addAndGet(CLOCK_ADVANCE_INTERVAL);
    read = reader.readNextEvent(60000);
    assertEquals("e2", read.getEvent());
    Checkpoint cpResult = checkpoint.get(5, TimeUnit.SECONDS);
    assertTrue(checkpoint.isDone());
    assertEquals("Checkpoint", cpResult.getName());
    read = reader.readNextEvent(100);
    assertNull(read.getEvent());
    assertFalse(read.isCheckpoint());
    AssertExtensions.assertEventuallyEquals(true, () -> controller.getSegmentsAtTime(new StreamImpl(scope, streamName), 0L).join().values().stream().anyMatch(off -> off > 0), 30 * 1000L);
    String group2 = groupName + "2";
    groupManager.createReaderGroup(group2, ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream(NameUtils.getScopedStreamName(scope, streamName)).build());
    EventStreamReader<String> reader2 = clientFactory.createReader("reader2", group2, serializer, ReaderConfig.builder().build());
    EventRead<String> eventRead2 = reader2.readNextEvent(10000);
    assertEquals("e2", eventRead2.getEvent());
}

Example 50 with ReaderGroupManager

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

the class EndToEndCBRTest method testReaderGroupManualRetention.

@Test(timeout = 60000)
public void testReaderGroupManualRetention() throws Exception {
    String scope = "test";
    String streamName = "testReaderGroupManualRetention";
    String groupName = "testReaderGroupManualRetention-group";
    StreamConfiguration config = StreamConfiguration.builder().scalingPolicy(ScalingPolicy.fixed(1)).retentionPolicy(RetentionPolicy.bySizeBytes(10, Long.MAX_VALUE)).build();
    LocalController controller = (LocalController) PRAVEGA.getLocalController();
    controller.createScope(scope).get();
    controller.createStream(scope, streamName, config).get();
    Stream stream = Stream.of(scope, streamName);
    @Cleanup ConnectionFactory connectionFactory = new SocketConnectionFactoryImpl(ClientConfig.builder().controllerURI(PRAVEGA.getControllerURI()).build());
    @Cleanup ClientFactoryImpl clientFactory = new ClientFactoryImpl(scope, controller, connectionFactory);
    // write events
    @Cleanup EventStreamWriter<String> writer = clientFactory.createEventWriter(streamName, serializer, EventWriterConfig.builder().build());
    writer.writeEvent("1", "e1").join();
    writer.writeEvent("2", "e2").join();
    // Create a ReaderGroup
    @Cleanup ReaderGroupManager groupManager = new ReaderGroupManagerImpl(scope, controller, clientFactory);
    groupManager.createReaderGroup(groupName, ReaderGroupConfig.builder().disableAutomaticCheckpoints().retentionType(ReaderGroupConfig.StreamDataRetention.MANUAL_RELEASE_AT_USER_STREAMCUT).stream(stream).build());
    // Create a Reader
    AtomicLong clock = new AtomicLong();
    @Cleanup EventStreamReader<String> reader = clientFactory.createReader("reader1", groupName, serializer, ReaderConfig.builder().build(), clock::get, clock::get);
    clock.addAndGet(CLOCK_ADVANCE_INTERVAL);
    EventRead<String> read = reader.readNextEvent(60000);
    assertEquals("e1", read.getEvent());
    clock.addAndGet(CLOCK_ADVANCE_INTERVAL);
    read = reader.readNextEvent(60000);
    assertEquals("e2", read.getEvent());
    ReaderGroup readerGroup = groupManager.getReaderGroup(groupName);
    Map<Segment, Long> segmentMap = new HashMap<>();
    segmentMap.put(new Segment(scope, streamName, 0), 17L);
    Map<Stream, StreamCut> scResult2 = new HashMap<>();
    scResult2.put(stream, new StreamCutImpl(stream, segmentMap));
    readerGroup.updateRetentionStreamCut(scResult2);
    AssertExtensions.assertEventuallyEquals(true, () -> controller.getSegmentsAtTime(stream, 0L).join().values().stream().anyMatch(off -> off > 0), 30 * 1000L);
    String group2 = groupName + "2";
    groupManager.createReaderGroup(group2, ReaderGroupConfig.builder().disableAutomaticCheckpoints().stream(NameUtils.getScopedStreamName(scope, streamName)).build());
    EventStreamReader<String> reader2 = clientFactory.createReader("reader2", group2, serializer, ReaderConfig.builder().build());
    EventRead<String> eventRead2 = reader2.readNextEvent(10000);
    assertEquals("e2", eventRead2.getEvent());
}