Examples with ServiceSpecification io.cdap.cdap.api.service.ServiceSpecification used on opensource projects

Example 11 with ServiceSpecification

use of io.cdap.cdap.api.service.ServiceSpecification in project cdap by cdapio.

the class ServiceSpecificationCodec method deserialize.

@Override
public ServiceSpecification deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
    JsonObject jsonObj = (JsonObject) json;
    if (isOldSpec(jsonObj)) {
        return decodeOldSpec(jsonObj);
    }
    String className = jsonObj.get("className").getAsString();
    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    Map<String, Plugin> plugins = deserializeMap(jsonObj.get("plugins"), context, Plugin.class);
    Map<String, HttpServiceHandlerSpecification> handlers = deserializeMap(jsonObj.get("handlers"), context, HttpServiceHandlerSpecification.class);
    Resources resources = context.deserialize(jsonObj.get("resources"), Resources.class);
    int instances = jsonObj.get("instances").getAsInt();
    Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
    return new ServiceSpecification(className, name, description, handlers, resources, instances, plugins, properties);
}

Example 12 with ServiceSpecification

use of io.cdap.cdap.api.service.ServiceSpecification in project cdap by cdapio.

the class ServiceSpecificationCodec method decodeOldSpec.

private ServiceSpecification decodeOldSpec(JsonObject json) {
    String className = json.get("classname").getAsString();
    TwillSpecification twillSpec = twillSpecificationAdapter.fromJson(json.get("spec").getAsString()).getTwillSpecification();
    Map<String, HttpServiceHandlerSpecification> handlers = Maps.newHashMap();
    RuntimeSpecification handlerSpec = twillSpec.getRunnables().get(twillSpec.getName());
    Map<String, String> configs = handlerSpec.getRunnableSpecification().getConfigs();
    // Get the class names of all handlers. It is stored in the handler runnable spec configs
    List<String> handlerClasses = GSON.fromJson(configs.get("service.runnable.handlers"), new TypeToken<List<String>>() {
    }.getType());
    List<JsonObject> handlerSpecs = GSON.fromJson(configs.get("service.runnable.handler.spec"), new TypeToken<List<JsonObject>>() {
    }.getType());
    for (int i = 0; i < handlerClasses.size(); i++) {
        String handlerClass = handlerClasses.get(i);
        JsonObject spec = handlerSpecs.get(i);
        Map<String, String> properties = GSON.fromJson(spec.get("properties"), new TypeToken<Map<String, String>>() {
        }.getType());
        // Reconstruct the HttpServiceSpecification. However there is no way to determine the datasets or endpoints
        // as it is not recorded in old spec. It's ok since the spec is only used to load data from MDS during redeploy.
        handlers.put(spec.get("name").getAsString(), new HttpServiceHandlerSpecification(handlerClass, spec.get("name").getAsString(), spec.get("description").getAsString(), properties, Collections.emptySet(), Collections.emptyList()));
    }
    ResourceSpecification resourceSpec = handlerSpec.getResourceSpecification();
    return new ServiceSpecification(className, twillSpec.getName(), twillSpec.getName(), handlers, new Resources(resourceSpec.getMemorySize(), resourceSpec.getVirtualCores()), resourceSpec.getInstances(), Collections.emptyMap());
}

Example 13 with ServiceSpecification

use of io.cdap.cdap.api.service.ServiceSpecification in project cdap by cdapio.

the class GenerateClientUsageExample method serviceClient.

public void serviceClient() throws Exception {
    // Construct the client used to interact with CDAP
    ServiceClient serviceClient = new ServiceClient(clientConfig);
    // Fetch service information using the service in the PurchaseApp example
    ServiceSpecification serviceSpec = serviceClient.get(NamespaceId.DEFAULT.app("PurchaseApp").service("CatalogLookup"));
}

Example 14 with ServiceSpecification

use of io.cdap.cdap.api.service.ServiceSpecification in project cdap by cdapio.

the class ProgramLifecycleHttpHandlerTest method testServiceSpecification.

@Test
public void testServiceSpecification() throws Exception {
    deploy(AppWithServices.class, 200);
    HttpResponse response = doGet("/v3/namespaces/default/apps/AppWithServices/services/NoOpService");
    Assert.assertEquals(200, response.getResponseCode());
    Set<ServiceHttpEndpoint> expectedEndpoints = ImmutableSet.of(new ServiceHttpEndpoint("GET", "/ping"), new ServiceHttpEndpoint("POST", "/multi"), new ServiceHttpEndpoint("GET", "/multi"), new ServiceHttpEndpoint("GET", "/multi/ping"));
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.registerTypeAdapter(ServiceSpecification.class, new ServiceSpecificationCodec());
    Gson gson = gsonBuilder.create();
    ServiceSpecification specification = readResponse(response, ServiceSpecification.class, gson);
    Set<ServiceHttpEndpoint> returnedEndpoints = new HashSet<>();
    for (HttpServiceHandlerSpecification httpServiceHandlerSpecification : specification.getHandlers().values()) {
        returnedEndpoints.addAll(httpServiceHandlerSpecification.getEndpoints());
    }
    Assert.assertEquals("NoOpService", specification.getName());
    Assert.assertEquals(returnedEndpoints, expectedEndpoints);
}

Example 15 with ServiceSpecification

use of io.cdap.cdap.api.service.ServiceSpecification in project cdap by cdapio.

the class DefaultStoreTest method testServiceInstances.

@Test
public void testServiceInstances() {
    ApplicationSpecification appSpec = Specifications.from(new AppWithServices());
    ApplicationId appId = NamespaceId.DEFAULT.app(appSpec.getName());
    store.addApplication(appId, appSpec);
    // Test setting of service instances
    ProgramId programId = appId.program(ProgramType.SERVICE, "NoOpService");
    int count = store.getServiceInstances(programId);
    Assert.assertEquals(1, count);
    store.setServiceInstances(programId, 10);
    count = store.getServiceInstances(programId);
    Assert.assertEquals(10, count);
    ApplicationSpecification newSpec = store.getApplication(appId);
    Assert.assertNotNull(newSpec);
    Map<String, ServiceSpecification> services = newSpec.getServices();
    Assert.assertEquals(1, services.size());
    ServiceSpecification serviceSpec = services.get("NoOpService");
    Assert.assertEquals(10, serviceSpec.getInstances());
}