Examples with BackendService com.hotels.styx.api.extension.service.BackendService used on opensource projects

Example 11 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class StyxBackendServiceClientFactoryTest method usesTheOriginSpecifiedInTheOriginsRestrictionCookie.

@Test
public void usesTheOriginSpecifiedInTheOriginsRestrictionCookie() {
    MapBackedConfiguration config = new MapBackedConfiguration();
    config.set("originRestrictionCookie", ORIGINS_RESTRICTION_COOKIE);
    environment = new Environment.Builder().registry(new MicrometerRegistry(new SimpleMeterRegistry())).configuration(new StyxConfig(config)).build();
    BackendService backendService = newBackendServiceBuilder().origins(newOriginBuilder("localhost", 9091).id("x").build(), newOriginBuilder("localhost", 9092).id("y").build(), newOriginBuilder("localhost", 9093).id("z").build()).build();
    BackendServiceClient styxBackendServiceClient = new StyxBackendServiceClientFactory(environment).createClient(backendService, newOriginsInventoryBuilder(environment.centralisedMetrics(), backendService).hostClientFactory((pool) -> {
        if (pool.getOrigin().id().equals(id("x"))) {
            return hostClient(response(OK).header("X-Origin-Id", "x").build());
        } else if (pool.getOrigin().id().equals(id("y"))) {
            return hostClient(response(OK).header("X-Origin-Id", "y").build());
        } else {
            return hostClient(response(OK).header("X-Origin-Id", "z").build());
        }
    }).build(), new CachingOriginStatsFactory(environment.centralisedMetrics()));
    LiveHttpRequest requestz = get("/some-req").cookies(requestCookie(ORIGINS_RESTRICTION_COOKIE, id("z").toString())).build();
    LiveHttpRequest requestx = get("/some-req").cookies(requestCookie(ORIGINS_RESTRICTION_COOKIE, id("x").toString())).build();
    LiveHttpRequest requesty = get("/some-req").cookies(requestCookie(ORIGINS_RESTRICTION_COOKIE, id("y").toString())).build();
    LiveHttpResponse responsez = Mono.from(styxBackendServiceClient.sendRequest(requestz, requestContext())).block();
    LiveHttpResponse responsex = Mono.from(styxBackendServiceClient.sendRequest(requestx, requestContext())).block();
    LiveHttpResponse responsey = Mono.from(styxBackendServiceClient.sendRequest(requesty, requestContext())).block();
    assertThat(responsex.header("X-Origin-Id").get(), is("x"));
    assertThat(responsey.header("X-Origin-Id").get(), is("y"));
    assertThat(responsez.header("X-Origin-Id").get(), is("z"));
}

Example 12 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class FileBackedBackendServicesRegistryTest method fileChanged_logsInfoWhenFailsToReadFile.

@Test
public void fileChanged_logsInfoWhenFailsToReadFile() throws Exception {
    FileBackedRegistry<BackendService> delegate = mock(FileBackedRegistry.class);
    when(delegate.fileName()).thenReturn("/monitored/origins.yml");
    when(delegate.reload()).thenReturn(completedFuture(reloaded("md5-hash: 9034890345289043, Successfully reloaded"))).thenReturn(completedFuture(failed("md5-hash: 9034890345289043, Failed to reload", new JustATestException())));
    registry = new FileBackedBackendServicesRegistry(delegate, FileMonitor.DISABLED);
    registry.startService().get();
    registry.fileChanged();
    assertThat(log.lastMessage(), is(loggingEvent(ERROR, "Backend services reload failed. reason='File Monitor', md5-hash: 9034890345289043, Failed to reload, file='/monitored/origins.yml'", JustATestException.class, JustATestException.DEFAULT_MESSAGE)));
}

Example 13 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class FileBackedBackendServicesRegistryTest method serviceStarts_failsToStartWhenReloadFails.

@Test
public void serviceStarts_failsToStartWhenReloadFails() {
    FileBackedRegistry<BackendService> delegate = mock(FileBackedRegistry.class);
    when(delegate.fileName()).thenReturn("/monitored/origins.yml");
    when(delegate.reload()).thenReturn(completedFuture(failed("md5-hash: 9034890345289043, Failed to load file", new JustATestException())));
    registry = new FileBackedBackendServicesRegistry(delegate, FileMonitor.DISABLED);
    Exception e = assertThrows(ExecutionException.class, () -> registry.startService().get());
    assertEquals("java.lang.RuntimeException: com.hotels.styx.support.JustATestException: This is not a real exception. We are just testing exception handling", e.getMessage());
}

Example 14 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class BackendServicesRouterTest method selectsUsingPathWithNoSubsequentCharacters.

@Test
public void selectsUsingPathWithNoSubsequentCharacters() throws Exception {
    Registry.Changes<BackendService> changes = added(appA().newCopy().path("/").build(), appB().newCopy().path("/appB/").build());
    BackendServicesRouter router = new BackendServicesRouter(serviceClientFactory, environment, executor);
    router.onChange(changes);
    LiveHttpRequest request = get("/appB/").build();
    Optional<HttpHandler> route = router.route(request, context);
    assertThat(proxyTo(route, request).header(ORIGIN_ID_DEFAULT), isValue(APP_B));
}

Example 15 with BackendService

use of com.hotels.styx.api.extension.service.BackendService in project styx by ExpediaGroup.

the class BackendServicesRouterTest method selectsApplicationBasedOnPathIfAppsAreProvidedInOppositeOrder.

@Test
public void selectsApplicationBasedOnPathIfAppsAreProvidedInOppositeOrder() throws Exception {
    Registry.Changes<BackendService> changes = added(appB().newCopy().path("/appB/hotel/details.html").build(), appA().newCopy().path("/").build());
    BackendServicesRouter router = new BackendServicesRouter(serviceClientFactory, environment, executor);
    router.onChange(changes);
    LiveHttpRequest request = get("/appB/hotel/details.html").build();
    Optional<HttpHandler> route = router.route(request, context);
    assertThat(proxyTo(route, request).header(ORIGIN_ID_DEFAULT), isValue(APP_B));
}