Examples with MetadataCodec io.scalecube.cluster.metadata.MetadataCodec used on opensource projects

Example 1 with MetadataCodec

use of io.scalecube.cluster.metadata.MetadataCodec in project scalecube by scalecube.

the class ServiceRegistryTest method test_listen_to_discovery_events.

@ParameterizedTest
@MethodSource("metadataCodecSource")
public void test_listen_to_discovery_events(MetadataCodec metadataCodec) {
    Sinks.Many<ServiceDiscoveryEvent> processor = Sinks.many().replay().all();
    List<Microservices> cluster = new CopyOnWriteArrayList<>();
    Microservices seed = Microservices.builder().discovery(defServiceDiscovery(metadataCodec)).transport(RSocketServiceTransport::new).services(new AnnotationServiceImpl()).startAwait();
    cluster.add(seed);
    seed.listenDiscovery().subscribe(processor::tryEmitNext, processor::tryEmitError, processor::tryEmitComplete);
    Address seedAddress = seed.discovery().address();
    StepVerifier.create(processor.asFlux().onBackpressureBuffer()).then(() -> {
        Microservices ms1 = Microservices.builder().discovery(defServiceDiscovery(seedAddress, metadataCodec)).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl()).startAwait();
        cluster.add(ms1);
    }).assertNext(event -> assertEquals(ENDPOINT_ADDED, event.type())).then(() -> {
        Microservices ms2 = Microservices.builder().discovery(defServiceDiscovery(seedAddress, metadataCodec)).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl()).startAwait();
        cluster.add(ms2);
    }).assertNext(event -> assertEquals(ENDPOINT_ADDED, event.type())).then(() -> cluster.remove(2).shutdown().block(TIMEOUT)).assertNext(event -> assertEquals(ENDPOINT_LEAVING, event.type())).assertNext(event -> assertEquals(ENDPOINT_REMOVED, event.type())).then(() -> cluster.remove(1).shutdown().block(TIMEOUT)).assertNext(event -> assertEquals(ENDPOINT_LEAVING, event.type())).assertNext(event -> assertEquals(ENDPOINT_REMOVED, event.type())).thenCancel().verify(TIMEOUT);
    StepVerifier.create(seed.call().api(AnnotationService.class).serviceDiscoveryEventTypes()).assertNext(type -> assertEquals(ENDPOINT_ADDED, type)).assertNext(type -> assertEquals(ENDPOINT_ADDED, type)).assertNext(type -> assertEquals(ENDPOINT_LEAVING, type)).assertNext(type -> assertEquals(ENDPOINT_REMOVED, type)).assertNext(type -> assertEquals(ENDPOINT_LEAVING, type)).assertNext(type -> assertEquals(ENDPOINT_REMOVED, type)).thenCancel().verify(TIMEOUT);
    Mono.whenDelayError(cluster.stream().map(Microservices::shutdown).toArray(Mono[]::new)).block(TIMEOUT);
}

Example 2 with MetadataCodec

use of io.scalecube.cluster.metadata.MetadataCodec in project scalecube by scalecube.

the class ScalecubeServiceDiscoveryTest method testEndpointIsAddedThenRemoved.

@Disabled
@ParameterizedTest
@MethodSource("metadataCodecSource")
public void testEndpointIsAddedThenRemoved(MetadataCodec metadataCodec) {
    startSeed(metadataCodec);
    AtomicInteger registeredCount = new AtomicInteger();
    AtomicInteger unregisteredCount = new AtomicInteger();
    RecordingServiceDiscovery r1 = RecordingServiceDiscovery.create(() -> newServiceDiscovery(SEED_ADDRESS, metadataCodec));
    RecordingServiceDiscovery r2 = RecordingServiceDiscovery.create(() -> newServiceDiscovery(SEED_ADDRESS, metadataCodec));
    RecordingServiceDiscovery r3 = RecordingServiceDiscovery.create(() -> newServiceDiscovery(SEED_ADDRESS, metadataCodec));
    // (1+3)x(1+3) - (1+3)/*exclude self*/ - 3/*exclude seed*/
    int expectedAddedEventsNum = 9;
    // r3 is shutdown => await by 1 event on r1 and r2
    int expectedRemovedEventsNum = 2;
    StepVerifier.create(Flux.merge(r1.nonGroupDiscoveryEvents(), r2.nonGroupDiscoveryEvents(), r3.nonGroupDiscoveryEvents())).thenConsumeWhile(event -> {
        assertEquals(ENDPOINT_ADDED, event.type());
        assertNotNull(event.serviceEndpoint());
        return registeredCount.incrementAndGet() < expectedAddedEventsNum;
    }).expectNoEvent(SHORT_TIMEOUT).then(r3::shutdown).thenConsumeWhile(event -> {
        assertEquals(ENDPOINT_REMOVED, event.type());
        assertNotNull(event.serviceEndpoint());
        return unregisteredCount.incrementAndGet() < expectedRemovedEventsNum;
    }).expectNoEvent(SHORT_TIMEOUT).thenCancel().verify();
}

Example 3 with MetadataCodec

use of io.scalecube.cluster.metadata.MetadataCodec in project scalecube by scalecube.

the class ScalecubeServiceDiscoveryTest method testEndpointIsRestarted.

@Disabled
@ParameterizedTest
@MethodSource("metadataCodecSource")
public void testEndpointIsRestarted(MetadataCodec metadataCodec) {
    startSeed(metadataCodec);
    AtomicInteger registeredCount = new AtomicInteger();
    AtomicInteger unregisteredCount = new AtomicInteger();
    RecordingServiceDiscovery r1 = RecordingServiceDiscovery.create(() -> newServiceDiscovery(SEED_ADDRESS, metadataCodec));
    RecordingServiceDiscovery r2 = RecordingServiceDiscovery.create(() -> newServiceDiscovery(SEED_ADDRESS, metadataCodec));
    RecordingServiceDiscovery r3 = RecordingServiceDiscovery.create(() -> newServiceDiscovery(SEED_ADDRESS, metadataCodec));
    // (1+3)x(1+3) - (1+3)/*exclude self*/ - 3/*exclude seed*/
    int expectedAddedEventsNum = 9;
    // r3 is shutdown => await by 1 event on r1 and r2
    int expectedRemovedEventsNum = 2;
    StepVerifier.create(Flux.merge(r1.nonGroupDiscoveryEvents(), r2.nonGroupDiscoveryEvents(), r3.nonGroupDiscoveryEvents())).thenConsumeWhile(event -> {
        assertEquals(ENDPOINT_ADDED, event.type());
        assertNotNull(event.serviceEndpoint());
        return registeredCount.incrementAndGet() < expectedAddedEventsNum;
    }).expectNoEvent(SHORT_TIMEOUT).then(r3::shutdown).thenConsumeWhile(event -> {
        assertEquals(ENDPOINT_REMOVED, event.type());
        assertNotNull(event.serviceEndpoint());
        return unregisteredCount.incrementAndGet() < expectedRemovedEventsNum;
    }).expectNoEvent(SHORT_TIMEOUT).thenCancel().verify();
    AtomicInteger registeredCountAfterRestart = new AtomicInteger();
    // r3 is restared => await by 1 event on r1 and r2
    int expectedAddedEventsNumAfterRestart = 2;
    r1 = r1.resubscribe();
    r2 = r2.resubscribe();
    r3 = r3.recreate();
    StepVerifier.create(Flux.merge(r1.nonGroupDiscoveryEvents(), r2.nonGroupDiscoveryEvents(), r3.nonGroupDiscoveryEvents())).thenConsumeWhile(event -> {
        assertEquals(ENDPOINT_ADDED, event.type());
        assertNotNull(event.serviceEndpoint());
        return registeredCountAfterRestart.incrementAndGet() < expectedAddedEventsNumAfterRestart;
    }).expectNoEvent(SHORT_TIMEOUT).thenCancel().verify();
}

Example 4 with MetadataCodec

use of io.scalecube.cluster.metadata.MetadataCodec in project scalecube by scalecube.

the class ServiceRegistryTest method test_delayed_listen_to_discovery_events.

@ParameterizedTest
@MethodSource("metadataCodecSource")
public void test_delayed_listen_to_discovery_events(MetadataCodec metadataCodec) {
    Sinks.Many<ServiceDiscoveryEvent> processor = Sinks.many().replay().all();
    List<Microservices> cluster = new CopyOnWriteArrayList<>();
    Microservices seed = Microservices.builder().discovery(defServiceDiscovery(metadataCodec)).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl()).startAwait();
    cluster.add(seed);
    seed.listenDiscovery().subscribe(processor::tryEmitNext, processor::tryEmitError, processor::tryEmitComplete);
    Address seedAddress = seed.discovery().address();
    StepVerifier.create(processor.asFlux().onBackpressureBuffer()).then(() -> {
        Microservices ms1 = Microservices.builder().discovery(defServiceDiscovery(seedAddress, metadataCodec)).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl(), new AnnotationServiceImpl()).startAwait();
        cluster.add(ms1);
    }).assertNext(event -> assertEquals(ENDPOINT_ADDED, event.type())).then(() -> {
        Microservices ms2 = Microservices.builder().discovery(defServiceDiscovery(seedAddress, metadataCodec)).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl()).startAwait();
        cluster.add(ms2);
    }).assertNext(event -> assertEquals(ENDPOINT_ADDED, event.type())).thenCancel().verify(TIMEOUT);
    StepVerifier.create(seed.call().api(AnnotationService.class).serviceDiscoveryEventTypes()).assertNext(type -> assertEquals(ENDPOINT_ADDED, type)).assertNext(type -> assertEquals(ENDPOINT_ADDED, type)).thenCancel().verify(TIMEOUT);
    Mono.whenDelayError(cluster.stream().map(Microservices::shutdown).toArray(Mono[]::new)).block(TIMEOUT);
}

Example 5 with MetadataCodec

use of io.scalecube.cluster.metadata.MetadataCodec in project scalecube by scalecube.

the class ServiceRegistryTest method test_added_removed_registration_events.

@ParameterizedTest
@MethodSource("metadataCodecSource")
public void test_added_removed_registration_events(MetadataCodec metadataCodec) {
    Sinks.Many<ServiceDiscoveryEvent> events = Sinks.many().replay().all();
    Microservices seed = Microservices.builder().discovery(defServiceDiscovery(metadataCodec)).transport(RSocketServiceTransport::new).startAwait();
    seed.listenDiscovery().subscribe(events::tryEmitNext, events::tryEmitError, events::tryEmitComplete);
    Address seedAddress = seed.discovery().address();
    Microservices ms1 = Microservices.builder().discovery(defServiceDiscovery(seedAddress, metadataCodec)).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl()).startAwait();
    Microservices ms2 = Microservices.builder().discovery(defServiceDiscovery(seedAddress, metadataCodec)).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl()).startAwait();
    StepVerifier.create(events.asFlux().onBackpressureBuffer()).assertNext(event -> assertEquals(ENDPOINT_ADDED, event.type())).assertNext(event -> assertEquals(ENDPOINT_ADDED, event.type())).then(() -> Mono.whenDelayError(ms1.shutdown(), ms2.shutdown()).block(TIMEOUT)).assertNext(event -> assertEquals(ENDPOINT_LEAVING, event.type())).assertNext(event -> assertEquals(ENDPOINT_LEAVING, event.type())).assertNext(event -> assertEquals(ENDPOINT_REMOVED, event.type())).assertNext(event -> assertEquals(ENDPOINT_REMOVED, event.type())).then(() -> seed.shutdown().block(TIMEOUT)).thenCancel().verify(TIMEOUT);
}