Examples with ScalecubeServiceDiscovery io.scalecube.services.discovery.ScalecubeServiceDiscovery used on opensource projects

Example 1 with ScalecubeServiceDiscovery

use of io.scalecube.services.discovery.ScalecubeServiceDiscovery in project scalecube by scalecube.

the class RoutersTest method setup.

@BeforeAll
public static void setup() {
    gateway = Microservices.builder().discovery(serviceEndpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(serviceEndpoint))).transport(RSocketServiceTransport::new).startAwait();
    gatewayAddress = gateway.discovery().address();
    // Create microservices instance cluster.
    provider1 = Microservices.builder().discovery(endpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(endpoint)).membership(cfg -> cfg.seedMembers(gatewayAddress))).transport(RSocketServiceTransport::new).services(ServiceInfo.fromServiceInstance(new GreetingServiceImpl(1)).tag("ONLYFOR", "joe").tag("SENDER", "1").build(), ServiceInfo.fromServiceInstance(new GreetingServiceImplA()).tag("Weight", "0.1").build()).startAwait();
    // Create microservices instance cluster.
    provider2 = Microservices.builder().discovery(endpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(endpoint)).membership(cfg -> cfg.seedMembers(gatewayAddress))).transport(RSocketServiceTransport::new).services(ServiceInfo.fromServiceInstance(new GreetingServiceImpl(2)).tag("ONLYFOR", "fransin").tag("SENDER", "2").build(), ServiceInfo.fromServiceInstance(new GreetingServiceImplB()).tag("Weight", "0.9").build()).startAwait();
    TagService tagService = input -> input.map(String::toUpperCase);
    provider3 = Microservices.builder().discovery(endpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(endpoint)).membership(cfg -> cfg.seedMembers(gatewayAddress))).transport(RSocketServiceTransport::new).services(ServiceInfo.fromServiceInstance(tagService).tag("tagB", "bb").tag("tagC", "c").build()).startAwait();
}

Example 2 with ScalecubeServiceDiscovery

use of io.scalecube.services.discovery.ScalecubeServiceDiscovery in project scalecube by scalecube.

the class ServiceTagsExample method main.

/**
 * Main runner.
 *
 * @param args arguments
 */
public static void main(String[] args) {
    Microservices gateway = Microservices.builder().discovery(serviceEndpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(serviceEndpoint))).transport(RSocketServiceTransport::new).startAwait();
    Address seedAddress = gateway.discovery().address();
    Microservices services1 = Microservices.builder().discovery(endpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(endpoint)).membership(cfg -> cfg.seedMembers(seedAddress))).transport(RSocketServiceTransport::new).services(ServiceInfo.fromServiceInstance(new GreetingServiceImplA()).tag("Weight", "0.3").build()).startAwait();
    Microservices services2 = Microservices.builder().discovery(endpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(endpoint)).membership(cfg -> cfg.seedMembers(seedAddress))).transport(RSocketServiceTransport::new).services(ServiceInfo.fromServiceInstance(new GreetingServiceImplB()).tag("Weight", "0.7").build()).startAwait();
    CanaryService service = gateway.call().router(WeightedRandomRouter.class).api(CanaryService.class);
    for (int i = 0; i < 10; i++) {
        Mono.from(service.greeting(new GreetingRequest("joe"))).doOnNext(success -> {
            success.getResult().startsWith("B");
            System.out.println(success);
        });
    }
}

Example 3 with ScalecubeServiceDiscovery

use of io.scalecube.services.discovery.ScalecubeServiceDiscovery in project scalecube by scalecube.

the class Example2 method main.

/**
 * Start the example.
 *
 * @param args ignored
 */
public static void main(String[] args) {
    // ScaleCube Node node with no members
    Microservices seed = Microservices.builder().discovery("seed", serviceEndpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(serviceEndpoint))).transport(RSocketServiceTransport::new).startAwait();
    // Construct a ScaleCube node which joins the cluster hosting the Greeting Service
    final Address seedAddress = seed.discovery().address();
    Microservices ms = Microservices.builder().discovery(endpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(endpoint)).membership(cfg -> cfg.seedMembers(seedAddress))).transport(RSocketServiceTransport::new).services(new GreetingServiceImpl()).startAwait();
    // Create a proxy to the seed service node
    ServiceCall service = seed.call();
    // Create a ServiceMessage request with service qualifier and data
    ServiceMessage request = ServiceMessage.builder().qualifier(SERVICE_QUALIFIER).data("joe").build();
    // Execute the Greeting Service to emit a single Greeting response
    Publisher<ServiceMessage> publisher = service.requestOne(request, Greeting.class);
    // Convert the Publisher using the Mono API which ensures it will emit 0 or 1 item.
    Mono.from(publisher).subscribe(consumer -> {
        // handle service response
        Greeting greeting = consumer.data();
        System.out.println(greeting.message());
    });
    Mono.whenDelayError(seed.shutdown(), ms.shutdown()).block();
}

Example 4 with ScalecubeServiceDiscovery

use of io.scalecube.services.discovery.ScalecubeServiceDiscovery in project scalecube by scalecube.

the class CompositeProfileAuthExample method main.

/**
 * Main program.
 *
 * @param args arguments
 */
public static void main(String[] args) {
    Microservices service = Microservices.builder().discovery(serviceEndpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(serviceEndpoint))).transport(() -> new RSocketServiceTransport().authenticator(authenticator())).services(call -> Collections.singletonList(ServiceInfo.fromServiceInstance(new SecuredServiceByCompositeProfileImpl()).authenticator(compositeAuthenticator()).build())).startAwait();
    Microservices caller = Microservices.builder().discovery(endpoint -> discovery(service, endpoint)).transport(() -> new RSocketServiceTransport().credentialsSupplier(credentialsSupplier())).startAwait();
    ServiceMessage response = caller.call().requestOne(ServiceMessage.builder().qualifier("securedServiceByCompositeProfile/hello").header("userProfile.name", "SEGA").header("userProfile.role", "ADMIN").data("hello world").build(), String.class).block(Duration.ofSeconds(3));
    System.err.println("### Received 'caller' response: " + response.data());
}

Example 5 with ScalecubeServiceDiscovery

use of io.scalecube.services.discovery.ScalecubeServiceDiscovery in project scalecube by scalecube.

the class ServiceTransportAuthExample method main.

/**
 * Main program.
 *
 * @param args arguments
 */
public static void main(String[] args) {
    Microservices service = Microservices.builder().discovery(serviceEndpoint -> new ScalecubeServiceDiscovery().transport(cfg -> cfg.transportFactory(new WebsocketTransportFactory())).options(opts -> opts.metadata(serviceEndpoint))).transport(() -> new RSocketServiceTransport().authenticator(authenticator())).services(new SecuredServiceByUserProfileImpl()).startAwait();
    Microservices caller = Microservices.builder().discovery(endpoint -> discovery(service, endpoint)).transport(() -> new RSocketServiceTransport().credentialsSupplier(credentialsSupplier())).startAwait();
    String response = caller.call().api(SecuredServiceByUserProfile.class).hello(UUID.randomUUID().toString()).block(Duration.ofSeconds(3));
    System.err.println("### Received 'caller' response: " + response);
}