Java Code Examples for io.fabric8.kubernetes.api.model.EndpointsList#setItems()

private EndpointsList createEndpointsListByServiceName(String... serviceNames) {
	List<Endpoints> endpoints = stream(serviceNames)
			.map(s -> createEndpointsByPodName(s + "-singlePodUniqueId"))
			.collect(Collectors.toList());

	EndpointsList endpointsList = new EndpointsList();
	endpointsList.setItems(endpoints);
	return endpointsList;
}
 

private EndpointsList createSingleEndpointEndpointListWithoutSubsets() {
	Endpoints endpoints = new Endpoints();

	EndpointsList endpointsList = new EndpointsList();
	endpointsList.setItems(Collections.singletonList(endpoints));
	return endpointsList;
}
 

private EndpointsList createSingleEndpointEndpointListByPodName(String... podNames) {
	Endpoints endpoints = new Endpoints();
	endpoints.setSubsets(createSubsetsByPodName(podNames));

	EndpointsList endpointsList = new EndpointsList();
	endpointsList.setItems(Collections.singletonList(endpoints));
	return endpointsList;
}
 

@Test
public void getInstancesShouldBeAbleToHandleEndpointsFromMultipleNamespaces() {
	Endpoints endPoints1 = new EndpointsBuilder().withNewMetadata()
			.withName("endpoint").withNamespace("test").endMetadata().addNewSubset()
			.addNewAddress().withIp("ip1").withNewTargetRef().withUid("uid1")
			.endTargetRef().endAddress().addNewPort("http", 80, "TCP").endSubset()
			.build();

	Endpoints endpoints2 = new EndpointsBuilder().withNewMetadata()
			.withName("endpoint").withNamespace("test2").endMetadata().addNewSubset()
			.addNewAddress().withIp("ip2").withNewTargetRef().withUid("uid2")
			.endTargetRef().endAddress().addNewPort("http", 80, "TCP").endSubset()
			.build();

	List<Endpoints> endpointsList = new ArrayList<>();
	endpointsList.add(endPoints1);
	endpointsList.add(endpoints2);

	EndpointsList endpoints = new EndpointsList();
	endpoints.setItems(endpointsList);

	mockServer.expect().get()
			.withPath("/api/v1/endpoints?fieldSelector=metadata.name%3Dendpoint")
			.andReturn(200, endpoints).once();

	mockServer.expect().get().withPath("/api/v1/namespaces/test/endpoints/endpoint")
			.andReturn(200, endPoints1).once();

	mockServer.expect().get().withPath("/api/v1/namespaces/test2/endpoints/endpoint")
			.andReturn(200, endpoints2).once();

	Service service1 = new ServiceBuilder().withNewMetadata().withName("endpoint")
			.withNamespace("test").withLabels(new HashMap<String, String>() {
				{
					put("l", "v");
				}
			}).endMetadata().build();

	Service service2 = new ServiceBuilder().withNewMetadata().withName("endpoint")
			.withNamespace("test2").withLabels(new HashMap<String, String>() {
				{
					put("l", "v");
				}
			}).endMetadata().build();

	List<Service> servicesList = new ArrayList<>();
	servicesList.add(service1);
	servicesList.add(service2);

	ServiceList services = new ServiceList();
	services.setItems(servicesList);

	mockServer.expect().get()
			.withPath("/api/v1/services?fieldSelector=metadata.name%3Dendpoint")
			.andReturn(200, services).once();

	mockServer.expect().get().withPath("/api/v1/namespaces/test/services/endpoint")
			.andReturn(200, service1).always();

	mockServer.expect().get().withPath("/api/v1/namespaces/test2/services/endpoint")
			.andReturn(200, service2).always();

	final KubernetesDiscoveryProperties properties = new KubernetesDiscoveryProperties();
	properties.setAllNamespaces(true);

	final DiscoveryClient discoveryClient = new KubernetesDiscoveryClient(mockClient,
			properties, KubernetesClient::services,
			new DefaultIsServicePortSecureResolver(properties));

	final List<ServiceInstance> instances = discoveryClient.getInstances("endpoint");

	assertThat(instances).hasSize(2);
	assertThat(instances).filteredOn(s -> s.getHost().equals("ip1") && !s.isSecure())
			.hasSize(1);
	assertThat(instances).filteredOn(s -> s.getHost().equals("ip2") && !s.isSecure())
			.hasSize(1);
	assertThat(instances).filteredOn(s -> s.getInstanceId().equals("uid1"))
			.hasSize(1);
	assertThat(instances).filteredOn(s -> s.getInstanceId().equals("uid2"))
			.hasSize(1);
}
 

@Test
public void shouldReturnFluxOfServicesAcrossAllNamespaces(
		@Client KubernetesClient kubernetesClient,
		@Server KubernetesServer kubernetesServer) {
	kubernetesServer.expect().get().withPath("/api/v1/namespaces/test/services")
			.andReturn(200,
					new ServiceListBuilder().addNewItem().withNewMetadata()
							.withName("existing-service")
							.withLabels(new HashMap<String, String>() {
								{
									put("label", "value");
								}
							}).endMetadata().endItem().build())
			.once();

	Endpoints endpoints = new EndpointsBuilder().withNewMetadata()
			.withName("endpoint").withNamespace("test").endMetadata().addNewSubset()
			.addNewAddress().withIp("ip1").withNewTargetRef().withUid("uid1")
			.endTargetRef().endAddress().addNewPort("http", 80, "TCP")
			.addNewPort("https", 443, "TCP").endSubset().build();

	EndpointsList endpointsList = new EndpointsList();
	endpointsList.setItems(singletonList(endpoints));

	kubernetesServer.expect().get().withPath(
			"/api/v1/endpoints?fieldSelector=metadata.name%3Dexisting-service")
			.andReturn(200, endpointsList).once();

	kubernetesServer.expect().get()
			.withPath("/api/v1/namespaces/test/services/existing-service")
			.andReturn(200,
					new ServiceBuilder().withNewMetadata()
							.withName("existing-service")
							.withLabels(new HashMap<String, String>() {
								{
									put("label", "value");
								}
							}).endMetadata().build())
			.once();

	KubernetesDiscoveryProperties properties = new KubernetesDiscoveryProperties();
	properties.setAllNamespaces(true);
	ReactiveDiscoveryClient client = new KubernetesReactiveDiscoveryClient(
			kubernetesClient, properties, KubernetesClient::services);
	Flux<ServiceInstance> instances = client.getInstances("existing-service");
	StepVerifier.create(instances).expectNextCount(1).expectComplete().verify();
}