Checks for common mistakes and usage problems. OAuthUseBasicAuthenticationWithAccessCodeGrant. They can raise or register to events in the system. So now will expose only API Gateway URL to the clients. In addition to "PathItems", "Operations" and "Responses", which Swashbuckle generates for you, Swagger also supports global metadata (see https://swagger.io/specification/#oasObject). Our 'SalesBusiness.API' microservice orders endpoint looks like below: Now let's consume the 'Orders' endpoint from our API Gateway endpoint. The 'Producer' is used to push our jobs into the Redis stores. The reference microservice application eShopOnContainers is currently using features provided by Envoy to implement the API Gateway instead of the earlier referenced Ocelot.We made this design choice because of Envoy's built-in support for the WebSocket protocol, required by the new gRPC inter-service communications implemented in The 'DownstreamPathTeplate' is our microservice endpoint. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. For more details, take a look at the Security Requirement Object in the Swagger spec.. The DownstreamPathTemplate, Scheme, and DownstreamHostAndPorts make the internal microservice URL that this request will be forwarded to. In the ConfigureServices method of Startup.cs, register the Swagger generator, defining one or more Swagger documents. Note that this only generates the swagger; System.Text.Json is not able to parse dictionary enums by default, Once an OpenApiDocument has been generated, it too can be passed through a set of pre-configured Document Filters. If you do not set the ConfigurationKey Ocelot will use the string InternalConfiguration as the key. Having an ingress Nginx tier in Kubernetes in front of the web applications plus the several Ocelot API Gateways / BFF is the ideal architecture, as shown in the following diagram. These attributes can be combined with XML comments, as described above, to include human friendly descriptions with each response in the generated Swagger. 8.0M: Ocelot Ocelot is an API Gateway. In my following example, I assume that the USB flash drive is disk 1. They can communicate to each other via asynchronous messaging. System.Text.Json (STJ) vs Newtonsoft. Program.cs:(Add Post.cs c, In this article, we are going to understand the different file operations like uploading, reading, downloading, and deleting in .Net5 Web API application using Azure Blob Storage. ABP provides a strong infrastructure to make modular application development easier by providing services and architecture (see the module development best practices guide). These packages are provided by the open-source community. However, you can also provide a custom inclusion predicate. https://github.com/Burgyn/MMLib.SwaggerForOcelot, More info about Internet Explorer and Microsoft Edge, Creating composite UI based on microservices, https://ocelot.readthedocs.io/en/latest/features/servicediscovery.html, https://ocelot.readthedocs.io/en/latest/features/caching.html, https://ocelot.readthedocs.io/en/latest/features/logging.html, https://ocelot.readthedocs.io/en/latest/features/qualityofservice.html, https://ocelot.readthedocs.io/en/latest/features/ratelimiting.html, https://github.com/Burgyn/MMLib.SwaggerForOcelot. Kibana URL is http://localhost:5601/ by default. For example, if you have an action that returns a Product type, then the generated schema will be referenced as follows: However, if it encounters multiple types with the same name but different namespaces (e.g. Permission management API is hosted inside the gateway, instead of a separate service. For example, the following class could be used to leverage the same host configuration as your application: By default, the ReDoc UI will be exposed at "/api-docs". However, when developing, you want to access the microservice/container directly and run it through Swagger. An ingress is configured to provide services externally reachable URLs, load balance traffic, SSL termination and more. So to avoid these issues, it is an appropriate way to make the CPU-bound operation separate background job. When using containers, the port specified at its dockerfile. In the source code files of eShopOnContainers, the original "configuration.json" files can be found within the k8s/ocelot/ folder. It knows where are Identity and Product services are located. The swagger-ui ships with its own set of configuration parameters, all described here https://github.com/swagger-api/swagger-ui/blob/v3.8.1/docs/usage/configuration.md#display. For example, you could wire up the following convention to assign actions to documents based on the controller namespace. The reactive forms state is immutable, any form filed change creates a new state for the form. If there isn't, then Ocelot will not start up. Now we have to integrate the Ocelot Pipeline. The HTTP request will end up running that kind of C# code accessing the microservice database and any additional required action. This gives full control to modify the document however you see fit. It acts as primary entry point to you back-end services . In the ConfigureServices method of Startup.cs, enable annotations within in the Swagger config block: Once annotations have been enabled, you can enrich the generated Operation metadata by decorating actions with a SwaggerOperationAttribute. See Enabling OAuth2.0 Flows for more details. However, since version 3.0.0, ASP.NET Core introduces a new serializer System.Text.Json (STJ) out-of-the-box, and if you want to continue using Newtonsoft, you need to install a separate package and explicitly opt-in. Examples: These endpoints should be served by the gateway service, not by microservices. It interacts with authorization and/or token endpoints, as specified in the Swagger JSON, to obtain access tokens for subsequent API calls. When To Use Queues? Tools and libraries (e.g. This can cause a lot of duplication in the generated Swagger, particularly when there's multiple subtypes. If you provide multiple endpoints, they'll be listed in the top right corner of the page, allowing users to toggle between the different documents. The main functionality of an Ocelot API Gateway is to take incoming HTTP requests and forward them on to a downstream service, currently as another HTTP request. I have three ASP.NET Core WebAPI services Customer, Subscribe, Unscubscribe with swashbuckle and docker compose project All is working well I have added Ocelot API Gateway (ASP.NET core Project) with Ocelot installed. EntryPoint - Composable CLI (Command Line) Argument Parser for .Net Core & .Net Framework 4.5+. For example, you may want a separate document for each version of your API. This application uses a SQL database (named it as MsDemo_Identity) and maintains its schema via Entity Framework Core migrations. To suppress this, enter the warning code "1591" into the "Suppress warnings" field in the properties dialog or add 1591 to the section of your .csproj project file. Since there's only one cross-cutting concern in eShopOnContainers, it was decided to just handle the security service out of the API Gateway realm, for simplicity's sake. The Global configuration allows overrides of ReRoute specific settings. That is, you can decorate model properties with the ObsoleteAttribute and configure Swashbuckle to omit those properties when generating JSON Schemas: You can omit operations from the Swagger output by decorating individual actions OR by applying an application wide convention. RequestModels.Product & ResponseModels.Product), then Swashbuckle will raise an exception due to "Conflicting schemaIds". Because of testing or debugging reasons, if you wanted to directly access to the Catalog Docker container (only at the development environment) without passing through the API Gateway, since 'catalog-api' is a DNS resolution internal to the Docker host (service discovery handled by docker-compose service names), the only way to directly access the container is through the external port published in the docker-compose.override.yml, which is provided only for development tests, such as http://host.docker.internal:5101/api/v1/Catalog/items/1 in the following browser. The ingress tier in eShopOnContainers when deployed into Kubernetes. { "GlobalConfiguration": {}, "Routes": [{}] } Now we need to configure our project to use the ocelot.json fine. You specify the API endpoints where it can obtain Swagger JSON, and it uses them to power interactive docs for your API, Includes a set of custom attributes that can be applied to controllers, actions and models to enrich the generated Swagger, Provides a command line interface for retrieving Swagger directly from a startup assembly, and writing to file, Exposes an embedded version of the ReDoc UI (an alternative to swagger-ui), Some useful Swashbuckle filters which add additional documentation, e.g. In eShopOnContainers, the "Generic Ocelot API Gateway Docker Image" is created with the project named 'OcelotApiGw' and the image name "eshop/ocelotapigw" that is specified in the docker-compose.yml file. In a typical filter implementation, you would inspect the ApiDescription for relevant information (e.g. So by using this queues technique user requests processed very fastly because actually, When To Use CancellationToken? RemoteService configuration in the appsettings.json file is simple: http://localhost:65129/ is the URL of the Internal Gateway. You can set this by decorating individual actions OR by applying an application wide convention. It checks some simple business rules to ensure that the entity is created as a valid product. ASP.Net MVC; Possess knowledge of .NET Frameworks - .NET 3.5 & above, .NET Core as mandatory; Experience in Microservices development (optional) React/Angular client-side framework (optional) Development and design skills in SQL Server 2012/above Configure Swashbuckle to incorporate the XML comments on file into the generated Swagger JSON: Annotate your actions with summary, remarks, param and response tags: You can also annotate types with summary and example tags: Rebuild your project to update the XML Comments file and navigate to the Swagger JSON endpoint. So API Gateway is also a simple API project with its own domain. Microsoft.AspNetCore.Mvc.Versioning), you could configure a custom predicate that leverages the versioning attributes instead: If you're using the SwaggerUI middleware, you'll need to specify any additional Swagger endpoints you want to expose. Because once the user authenticated cookie will be automatically sent to the server by the browser on every API call. Using an API Gateway implemented as a custom Web API service In the previous example, the API Gateway would be implemented as a custom Web API or ASP.NET WebHost service running as a container. If it targets netcoreapp3.0, then you should use version 3.0 of the SDK and so on. On the other hand, when you use the aggregator pattern, you can see how the arrows in blue would simplify the communication from a client app perspective. By default, Swashbuckle will generate and expose Swagger JSON in version 3.0 of the specification, officially called the OpenAPI Specification. In this demo, I'm using .NET CLI and Visual Studio Code editor. The example below allows for automatic schema generation of generic Dictionary objects. However, Ocelot also supports sitting the Identity/Auth microservice within the API Gateway boundary, as in this other diagram. OAuthUseBasicAuthenticationWithAccessCodeGrant. This is the URL that the swagger-ui, a client-side application, will call to retrieve your API metadata. That way, the clients still call the same base URL but the requests are routed to multiple API Gateways or BFF. The configuration related to authentication in the appsettings.json is simple: Ocelot needs to know the real URLs of the microservices to be able to redirect HTTP requests. : API request that mostly involves in time taking operations like CPU bound operation, doing them synchronously which will result in thread blocking. See its Readme for more details, Use FluentValidation rules instead of ComponentModel attributes to augment generated Swagger Schemas, Aggregate documentations over microservices directly on Ocelot API Gateway. For example, if you're using an attribute-based approach to implement API versioning (e.g. See the eShopOnAbp project for the replacement solution. It MUST be a URI-friendly name that uniquely identifies the document. separate libraries for controllers and models), you can invoke the IncludeXmlComments method multiple times and they will all be merged into the outputted Swagger JSON. A screenshot from the user management page: A screenshot from the permission management modal for a role: Backend admin application uses the Identity and Product microservices for all operations, over the Backend Admin Gateway (BackendAdminAppGateway.Host). Because the Ocelot WebHost is configured with the authenticationProviderKey = "IdentityApiKey", that will require authentication whenever that service has any requests without any auth token. For this demo, I'm using the 'Visual Studio Code'(using the .NET CLI command) editor. This blog post is about comparing several approaches of Domain Events vs. This made sense because that was the serializer that shipped with ASP.NET Core at the time. Rest of the configuration is related to claims mapping (which is planned to be automated in next ABP versions). NOTE: You can also provide Swagger Schema descriptions by annotating your API models and their properties with summary tags. route info, action attributes etc.) A tag already exists with the provided branch name. So, there are two connection strings in the appsettings.json file: This service actually just hosts the ABP Blogging package/module. Additionally, there's add-on packages (CLI tools, an alternate UI etc.) This is the URL that the swagger-ui, a client-side application, will call to retrieve your API metadata. This configuration uses standard MVC middleware when request path starts with /api/abp/ or /Abp/. Rest of the configuration is related to claims mapping (which is planned to be automated in next ABP versions). Events are distributed by RabbitMQ for this solution. You have seen that the Product class publishing an event using the following code line: ProductStockCountChangedEto was defined as shown below: This object stores necessary information about the event. The configuration related to authentication in the appsettings.json is simple: ReRoutes configuration covers all microservices in the system. To ensure you're still returning valid Swagger JSON, you should have a read through the specification before using this filter type. For instance, when visiting the upstream URL http://host.docker.internal:5202/api/v1/c/catalog/items/2/ served by the webshoppingapigw API Gateway, you get the same result from the internal Downstream URL http://catalog-api/api/v1/2 within the Docker host, as in the following browser. you can use Java annotations or yaml files to autogenerate the swagger documentation. To enable this behavior, check out the Annotations docs. This is a public web site project that has a web blog and product list page. This can be done by decorating the type with a SwaggerSchemaFilterAttribute: By default, the Swagger generator will tag all operations with the controller name. They are used by applications and other microservices through the gateways and HTTP APIs. For example, the following filter adds OAuth2 requirements based on the presence of the AuthorizeAttribute: NOTE: If you're using the SwaggerUI middleware, you can enable interactive OAuth2.0 flows that are powered by the emitted security metadata. ASP.NET Core provides the ProducesResponseTypeAttribute for listing the different responses that can be returned by an action. For example, you can provide a full description for your API, terms of service or even contact and licensing information: TIP: Use IntelliSense to see what other fields are available. ApiExplorer (the ASP.NET Core metadata component that Swashbuckle is built on) DOES NOT surface the FileResult type by default and so you need to explicitly tell it to with the Produces attribute: If you want the swagger-ui to display a "Download file" link, you're operation will need to return a Content-Type of "application/octet-stream" or a Content-Disposition of "attachement". Python . Alternatively, if you've customized your serializer to support polymorphic serialization/deserialization, you can provide some custom selector functions to determine the discriminator name and corresponding mapping: NOTE: If you're using the Swashbuckle Annotations library, it contains custom selector functions that are based on the presence of SwaggerDiscriminator and SwaggerSubType attributes on base class definitions. However, Swashbuckle offers a lot of flexibility to customize as you see fit. Once the user enters a correct username & password, the page is redirected to the backend application again. A collection of awesome .NET core libraries, tools, frameworks and software. To include an action in a specific Swagger document, decorate it with the ApiExplorerSettingsAttribute and set GroupName to the corresponding document name (case sensitive): To group by convention instead of decorating every action, you can apply a custom controller or action convention. This is important to note if you're using the SwaggerUI middleware as it uses this value to group operations. private - this directive allows to store response with respect to a single user and can't be stored with shared cache stores. This is backend (server side API gateway) for the "Public Web Site" application. This service hosts the Product Management API. We start by adding Ocelot to (Line 1&2) Added required namespaces of the 'Ocelot' package. Plus, at the same time they can reuse the same Ocelot Docker image. A microservice can only know permissions related to that microservice. It can be used to unify all microservices endpoints. In conjunction with the oneOf and/or allOf keywords, Swagger / OpenAPI supports a discriminator field on base schema definitions. Main Building Blocks Of Blazor WebAssembly Authentication: The core concepts of blazor webassembly authentication are: AuthenticationStateProvider Service AuthorizeView Component Task Cascading Property CascadingAuthenticationState Component AuthorizeRouteView Component AuthenticationStateProvider Service - this provider holds the authentication information about the login user. Ocelot API Gateway supports all the features that any standard API Gateway does. In addition to the property name, the discriminator description MAY also include a mapping which maps discriminator values to specific schema definitions. When selecting actions for a given Swagger document, the generator invokes a DocInclusionPredicate against every ApiDescription that's surfaced by the framework. Out-of-the-box, the tool will execute in the context of a "default" web host. NuGetPackageExplorer - Create, update and deploy Nuget Packages with a GUI. For example, if you're using a base class for models that share common properties you can use the allOf keyword to describe the inheritance hierarchy. Some key notations that involve in reactive forms are like: FormControl - each input element in the form is 'FormControl'. ABP application modules generally provides C# client libraries to consume services (APIs) easily (they generally uses the Dynamic C# API Clients feature of the ABP framework). Oakley tinfoil carbon - Die qualitativsten Oakley tinfoil carbon im berblick Unsere Bestenliste Nov/2022 - Umfangreicher Kaufratgeber Beliebteste Produkte Beste Angebote : Alle Preis-Leistungs-Sieger Direkt weiterlesen! This grant type is useful to call remote services on behalf of a user. Finally, the solution includes a very simple console application, named ConsoleClientDemo, that uses Identity and Product services by authenticating through the AuthServer. To ensure this works behind virtual directories and reverse proxies, you should express this relative to the RoutePrefix of the swagger-ui itself: NOTE: In previous versions of the docs, you may have seen this expressed as a root-relative link (e.g. If you're using System.Text.Json (STJ), then the setup described above will be sufficient, and STJ options/attributes will be automatically honored by the Swagger generator. It is also possible to modify the theme by using the AdditionalItems property, see https://github.com/Rebilly/ReDoc/blob/master/README.md#redoc-options-object for more information. To ensure this works behind virtual directories and reverse proxies, you should express this relative to the RoutePrefix of the swagger-ui itself: NOTE: In previous versions of the docs, you may have seen this expressed as a root-relative link (e.g. If you need to set some Swagger metadata based on the current request, you can configure a filter that's executed prior to serializing the document. NOTE: If you omit the explicit parameter bindings, the generator will describe them as "query" params by default. Once generated, it passes the schema and type through the list of configured Schema Filters. The example below adds an AutoRest vendor extension (see https://github.com/Azure/autorest/blob/master/docs/extensions/readme.md#x-ms-enum) to inform the AutoRest tool how enums should be modelled when it generates the API client. The 'DownstreamHostAndPorts' where we have to define our microservice HostName and PortNumber. Fake JSON Server - Fake REST API for prototyping or as a CRUD Back End. If the generator encounters complex parameter or response types, it will generate a corresponding JSON Schema, add it to the global components/schemas dictionary, and reference it from the operation description by unique Id. For example, the following configuration could be used to document different versions of an API. It redirects to the AuthServer for authentication. So if we use authentication with HTTP only JWT cookie then we no need to implement custom logic like adding authorization header or storing token data, etc at our client application. Swagger UI is configured and is the default page for this service. decorated with [FromBody]) with a SwaggerRequestBodyAttribute to enrich the corresponding RequestBody metadata that's generated by Swashbuckle: You can annotate classes or properties with a SwaggerSchemaAttribute to enrich the corresponding Schema metadata that's generated by Swashbuckle: NOTE: In Swagger / OpenAPI, serialized objects AND contained properties are represented as Schema instances, hence why this annotation can be applied to both classes and properties. If you don't have it, you can download and start using, If you don't want to use docker for pre required services and install them on your local development, you need to update. If you'd prefer to do all of this with a single attribute, and avoid the use of XML comments, you can use SwaggerResponseAttributes instead: You can annotate "path", "query" or "header" bound parameters or properties (i.e. The example below allows for automatic schema generation of generic Dictionary objects. The example below provides a description for any tags that are assigned to operations in the document: NOTE: If you're using the SwaggerUI middleware, the TagDescriptionsDocumentFilter demonstrated above could be used to display additional descriptions beside each group of Operations. In this way, swagger can discover them. For example you can define an OAuth 2.0 - implicit flow as follows: NOTE: In addition to defining a scheme, you also need to indicate which operations that scheme is applicable to. The Swagger generator will automatically set this flag if the corresponding action is decorated with the ObsoleteAttribute. To tweak the look and feel, you can inject additional CSS stylesheets by adding them to your wwwroot folder and specifying the relative paths in the middleware options: To customize the UI beyond the basic options listed above, you can provide your own version of the swagger-ui index.html page: To get started, you should base your custom index.html on the default version. Asynchronous Messaging is a key concept in distributed systems. Gateways are used to provide a single entry point to the applications. There are also other grant types. Testing the Catalog microservice with its Swagger UI. /swagger/v1/swagger.json). For example, to wire up the SwaggerUI middleware, you provide the URL to one or more OpenAPI/Swagger documents. See the Product Management module section below for more information about this module. When deploying to those environments you use different configuration files where you won't publish directly any external port for the microservices but, you'll always use the reverse proxy from the API Gateway. See Adding Security Definitions and Requirements for an example of adding OAuth2.0 metadata to the generated Swagger. This solution uses this pattern and has multiple gateways. Normally, Ocelot does not support to show APIs on the swagger, because it can not know details of each microservice API. See Enabling OAuth2.0 Flows for more details. To create .NET6 application recommended IDE's are Visual Studio 2022', 'Visual Studio Code'. If you switch to the page-relative syntax shown above, it should work in all cases. The address is nothing but the unique name of our Storage Account name. In this case, the decorated properties will be flagged as "required" properties in the body description: This controller will accept two form field values and one named file upload from the same form: Important note: As per the ASP.NET Core docs, you're not supposed to decorate IFormFile parameters with the [FromForm] attribute as the binding source is automatically inferred from the type. Now you can restart your application and check out the auto-generated, interactive docs at "/swagger". See its Readme for more details, Some useful extensions (filters), which add additional documentation, e.g. Supports self-hosting or individual hosting, so that all different kinds of apps can consume it. Audit logs are saved to the MsDemo_Identity SQL database. This won't work if your app is hosted on an IIS virtual directory or behind a proxy that trims the request path before forwarding. For example Will produce the following response metadata: If you need to specify a different status code and/or additional responses, or your actions return IActionResult instead of a response DTO, you can explicitly describe responses with the ProducesResponseTypeAttribute that ships with ASP.NET Core. Linq_Faster - Linq-like extension functions for Arrays, Span, and List that are faster and allocate less. It began to become increasingly important, and swagger is a framework that makes you better writing specification API documents. ASP.NET Core Web application using MongoDB, Docker Container and Swagger. This content is an excerpt from the eBook, .NET Microservices Architecture for Containerized .NET Applications, available on .NET Docs or as a free downloadable PDF that can be read offline. See its Readme for more details, Use FluentValidation rules instead of ComponentModel attributes to augment generated Swagger Schemas, Aggregate documentations over microservices directly on Ocelot API Gateway. for UI Sorting), Extend Generator with Operation, Schema & Document Filters, Add Security Definitions and Requirements, Add Security Definitions and Requirements for Bearer auth, Use client-side request and response interceptors, List Known Subtypes for Inheritance and Polymorphism, Enrich Polymorphic Base Classes with Discriminator Metadata, Retrieve Swagger Directly from a Startup Assembly, Using the tool with the .NET Core 2.1 SDK, Using the tool with the .NET Core 3.0 SDK or later, Use the CLI Tool with a Custom Host Configuration, Unchase.Swashbuckle.AspNetCore.Extensions, MicroElements.Swashbuckle.FluentValidation, https://swagger.io/specification/#oasObject, https://github.com/Azure/autorest/blob/master/docs/extensions/readme.md#x-ms-enum, a special JsonConverter, like in the .NET docs. The configuration for this gateway is like below: ReRoutes is an array of URL mappings. The solution is configured to use Entity Core Code First migrations, so you can easily create databases. That's why in eShopOnContainers, the external ports are still specified even when they won't be used by the API Gateway or the client apps. Swashbuckle generates a Swagger-flavored JSONSchema for every parameter, response and property type that's exposed by your controller actions. All those services are currently implemented as ASP.NET Core Web API services, as you can tell from the code. Now we have to create file like 'Ocelot.json'. The 'Manufacture.API' application runs at 'https://localhost:7132' and The 'SalesBusiness.API' runs at 'https://localhost:7456' so from this we can understand we have 2 different domains bound to our each microservices. B Therefore, the selected way to implement aggregation in eShopOnContainers is with an explicit ASP.NET Core Web API service for each aggregator. See its own documentation to better understand the configuration. However, deploying into any orchestrator would be similar, but any container in the diagram could be scaled out in the orchestrator. An array of ReRoutes and a GlobalConfiguration. In this sample, we will use JWT authentication for user authentication. This header is obtained from the access_token inside the current HttpContext for the current user. Integration Events patterns already published by the community. To leverage this, you'll need to provide a custom version of index.html as described below. Instead, it provides a flexible customization system based on concepts and patterns from React and Redux. At its core, there's a Swagger generator, middleware to expose it as JSON endpoints, and a packaged version of the swagger-ui. Add endpoints if you're using endpoint-based routing. Lets implement API Gateway for our sample insurance sales portal using Ocelot. For example, you can add an explicit API server based on the "Host" header (as shown), or you could inspect session information or an Authorization header and remove operations from the document based on user permissions. This makes the application easier to understand, develop, test, and become more resilient to architecture erosion. If the action returns a response DTO, then this will be used to generate a schema for the response body. Some of the key characteristics of API: Supports HTTP verbs like 'GET', 'POST', 'PUT', 'DELETE', etc. However, if you're customizing serialization behavior for certain types in your API, you may need to help it out. ProductManagement connection string is used by the product module. For instance, fine granularity in the API Gateway tier can be especially useful for more advanced composite UI applications that are based on microservices, because the concept of a fine-grained API Gateway is similar to a UI composition service. To leverage this, you'll need to provide a custom version of index.html as described below. It cunifies multiple microservices so that the client does not have to worry about the location of each and every Microservice. The Swagger generator will automatically set this flag if the corresponding action is decorated with the ObsoleteAttribute. max-age - this directive represents a time to hold a response in the cache. You can wire up custom filters to enrich the generated "Operations", "Schemas" and "Documents". Mainly, uses IdentityServer4 to provide these services. For this scenario, the Swashbuckle CLI tool exposes a convention-based hook for your application. Inspired by awesome, awesome-dotnet, awesome-nodejs, frontend-dev-bookmarks. If you need to set some Swagger metadata based on the current request, you can configure a filter that's executed prior to serializing the document. In addition to its Swagger 2.0 and OpenAPI 3.0 generator, Swashbuckle also provides an embedded version of the awesome swagger-ui that's powered by the generated Swagger JSON. The example below provides a description for any tags that are assigned to operations in the document: NOTE: If you're using the SwaggerUI middleware, the TagDescriptionsDocumentFilter demonstrated above could be used to display additional descriptions beside each group of Operations. ApiExplorer (the ASP.NET Core metadata component that Swashbuckle is built on) DOES NOT surface the FileResult type by default and so you need to explicitly tell it to with the Produces attribute: If you want the swagger-ui to display a "Download file" link, you're operation will need to return a Content-Type of "application/octet-stream" or a Content-Disposition of "attachement". Create A .NET6 Web API Application: Let's create a .Net6 Web API sample application to accomplish our, NestJS Application Queues helps to deal with application scaling and performance challenges. The steps described above will get you up and running with minimal setup. Authorization at Ocelot's ReRoutes tier. But, once properly configured, gateway can aggregate permission values for multiple services as a single list which is more suitable for clients. For these reasons, Blogging service should be defined as a client for the Identity service with its own credentials and permissions. Why not using the token of the current user in the current request? mRemoteNG - The next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager. Product is the main Aggregate Root of this module: All of its properties have private setters which prevents any direct change of the properties from out of the class. In the Configure method,you should expose the generated Swagger as JSON endpoint(s) by one of following method: At this point, you can spin up your application and view the generated Swagger JSON at "/swagger/v1/swagger.json.". For that, I had created a mock authentication API(Using the NestJS Se, In this article, we are going to write test cases to an Asp.NetCore Web API(.NET6) application using the xUnit. Unfortunately, it does not allow one important thing, to integrate the swagger documentations of your microservices into one place. Also worth noting, "required" properties are specified as an array of property names on the top-level schema as opposed to a flag on each individual property. In nestjs one of the best solutions for these kinds of tasks is to implement the Queues. If your Swagger endpoint includes the appropriate security metadata, the UI interaction should be automatically enabled. Distributed Events (Event Bus) is a way of messaging where a service raise/trigger events while other services registers/listens to these events to be notified when an important event occurs. ConsoleClientDemoModule has dependencies to AbpIdentityHttpApiClientModule and ProductManagementHttpApiClientModule in order to use Identity and Product APIs. See swagger-codegen for more details. Work fast with our official CLI. In the ConfigureServices method of Startup.cs, register the Swagger generator, defining one or more Swagger documents. To enable this behavior, check out the Annotations docs. Anyway, when you open the URL http://localhost:65115/swagger/index.html, you will see APIs of all configured microservices. To customize the UI beyond the basic options listed above, you can provide your own version of the ReDoc index.html page: A tag already exists with the provided branch name. Verify that the tool was installed correctly, Generate a Swagger/ OpenAPI document from your application's startup assembly. It is possible to separate UI (Web) and API layers, so they run in different servers. It knows where are Blogging and Product services are located. There's one file for each BFF/APIGateway. In the case of the "Marketing" business area and microservices, it is a simple use case so there was no need to use aggregators, but it could also be possible, if needed. To the extent possible under law, thangchung has waived all copyright and related or neighboring rights to this work. However, since version 3.0.0, ASP.NET Core introduces a new serializer System.Text.Json (STJ) out-of-the-box, and if you want to continue using Newtonsoft, you need to install a separate package and explicitly opt-in. BackendAdminAppGatewayHostModule adds dependency to AbpIdentityHttpApiModule (Volo.Abp.Identity.HttpApi package) and ProductManagementHttpApiModule (ProductManagement.HttpApi project) to include their HTTP API Controllers. Building Catalog Microservice on .Net platforms which used Asp.Net Web API, Docker, MongoDB and Swagger. However, this solution uses the API Gateway pattern to provide a single endpoint for the applications: http://localhost:65115/ is the URL of the BackendAdminAppGateway.Host project. There was a problem preparing your codespace, please try again. Swashbuckle retrieves an ApiDescription, part of ASP.NET Core, for every action and uses it to generate a corresponding OpenApiOperation. In eShopOnContainers, its API Gateway implementation is a simple ASP.NET Core WebHost project, and Ocelots middleware handles all the API Gateway features, as shown in the following image: Figure 6-32. But if you use an ingress approach, you'll have a middle tier between the Internet and your services (including your API Gateways), acting as a reverse proxy. NSwag) and would like to maintain the inheritance hierarchy in the generated client models. The swagger-ui has built-in support to participate in OAuth2.0 authorization flows. Consider our microservice where we have two microservice applications. Direct access to a microservice for testing purposes. ABP provides automatic audit logging which saves every request in detail (who is the current user, what is the browser/client, what actions performed, which entities changed, even which properties of entities has been updated). Test with Postman. You can notice how when the diagram shows the possible requests coming from the API Gateways it can get complex. That is, out-of-the-box Swashbuckle will assume you're using the STJ serializer and generate Schema's based on its behavior. So when client calls Gateway API endpoint behind scenes API Gateway invokes appropriate microservice URL based on URLs registered with, on receiving the response from microservices, API Gateway delivers the same response to the clients. This will produce a file containing all XML comments at build-time. If you're using Newtonsoft, then you'll need to install a separate package and explicitly opt-in to ensure that Newtonsoft settings/attributes are automatically honored by the Swagger generator: Swashbuckle relies heavily on ApiExplorer, the API metadata layer that ships with ASP.NET Core. The 'UpstreamHttpMethod' specifies the supported methods. As a result, the generated request/response schemas will reference a collection of "possible" schemas instead of just the base class schema: As inheritance and polymorphism relationships can often become quite complex, not just in your own models but also within the .NET class library, Swashbuckle is selective about which hierarchies it does and doesn't expose in the generated Swagger. However, if necessary, you can assign operationIds by decorating individual routes OR by providing a custom strategy. In versions prior to 5.0.0, Swashbuckle will generate Schema's (descriptions of the data types exposed by an API) based on the behavior of the Newtonsoft serializer. All of the services and applications are configured to write audit logs. One particular issue here is that SwaggerUI will not treat the parameter as a file and so will not display a file upload button, if you do mistakenly include this attribute. Because of that previous code, and as shown in the Visual Studio Explorer below, the only file needed to define each specific business/BFF API Gateway is just a configuration.json file, because the four API Gateways are based on the same Docker image. I'm trying to migrate from version 4.0.1 to 5.0.0-rc2 of Swashbuckle in a .NET Core 3 Preview 5 Web API project. If the generator encounters complex parameter or response types, it will generate a corresponding JSON Schema, add it to the global components/schemas dictionary, and reference it from the operation description by unique Id. By default, it will pick up any subtypes that are defined in the same assembly as a given base type. Reactive Forms: Angular reactive forms support model-driven techniques to handle the form's input values. Response Caching approach cuts down some requests to the server and also reduces some workload on the server. PublicWebSite can show blog posts and product list without login. Create An API And Unit Test Projects: Let's create a .Net6 Web API and xUnit sample applications to accomplish our demo. Microservices have no UI, but exposes some REST APIs. [output] is the relative path where the Swagger JSON will be output to, [startupassembly] is the relative path to your application's startup assembly, [swaggerdoc] is the name of the swagger document you want to retrieve, as configured in your startup class. MMLib.SwaggerForOcelot. So, this solution defines gateways as API resources. It is designed for inter-microservice communication and is not exposed publicly. But we unified them for simplicity in this solution. Also worth noting, "required" properties are specified as an array of property names on the top-level schema as opposed to a flag on each individual property. If you'd like to override this behavior, you can provide a custom selector function: NOTE: If you're using the Swashbuckle Annotations library, it contains a custom selector that's based on the presence of SwaggerSubType attributes on base class definitions. For example, if you're using an attribute-based approach to implement API versioning (e.g. For example, the following class could be used to leverage the same host configuration as your application: By default, the ReDoc UI will be exposed at "/api-docs". The different HttpClient techniques that we are going to explore are like: Register HttpClient Object Explicitly In DI(Dependency Injection Service) Named Client Type Client HttpRequestMessage Object Create A .NET6 Minimal API Project: Let's create a .Net6 Minimal API sample project to accomplish our demo. When you have multiple Swagger pages open, it can be difficult to tell them apart. Introduction to Ocelot API Gateway. Note: The sample codes I will show in, In this article, we are going to implement a sample angular application authentication using HTTP only cookie that contains a JWT token. If you provide multiple endpoints, they'll be listed in the top right corner of the page, allowing users to toggle between the different documents. At this point, you could set a breakpoint in C# code in Visual Studio, test the microservice with the methods exposed in Swagger UI, and finally clean-up everything with the docker-compose down command. ICanHasDotnetCore - Scans uploaded packages.config files or GitHub repository and determines whether the nuget packages target .NET Standard. The OpenApiDocument and the current HttpRequest are both passed to the filter. For example, you can use the following configuration to swith to the password (Resource Owner Password) grant type: Resource Owner Password requires a UserName & UserPassword in addition to client credentials. Note: if you do not set the ConfigurationKey Ocelot will not start up, tools frameworks! Up custom filters to enrich the generated Swagger forms: Angular reactive forms: Angular reactive forms: reactive... Issues, it is an array of URL mappings maintain the inheritance hierarchy in the same Ocelot Docker.! Then Ocelot will not start up determines whether the Nuget packages target.NET ocelot api gateway swagger example a customization... The response body to understand, develop, test, and list are. Theme by using the STJ serializer and generate schema 's based on the Swagger..! Makes you better writing specification API documents this value to group operations API is hosted inside the HttpRequest. And HTTP APIs have no UI, but exposes some rest APIs and type through the and... Parameter, response and property type that 's surfaced by the Product management module section below more! Omit the explicit parameter bindings, the following configuration could be used to document different of... Preview 5 Web API service for each version of index.html as described.! Redis stores Swagger document, the port specified at its dockerfile the extent possible law. '' params by default, it is also a simple API project mremoteng - the next generation of Dictionary! All XML comments at build-time before using this queues technique user requests processed fastly... Swagger generator, defining one or ocelot api gateway swagger example OpenAPI/Swagger documents and more and Swagger a corresponding OpenApiOperation,,! Descriptions by annotating your API metadata Preview 5 Web API, Docker Container and Swagger is a key in... Entrypoint - Composable CLI ( Command Line ) Argument Parser for.NET libraries. Be automated in next ABP versions ) ApiDescription, part of ASP.NET Core at the same they! Has multiple gateways is hosted inside the Gateway, instead of a user Java or! Integrate the Swagger generator, defining one or more Swagger documents properties with summary.. Swagger / OpenAPI supports a discriminator field on base schema definitions the URL that request. Are saved to the server and also reduces some workload on the spec... Operationids by decorating individual actions or by providing a custom inclusion predicate exposed your. To handle the form is 'FormControl ' running with minimal setup it can be returned by action! Of adding OAuth2.0 metadata to the applications authorization flows you omit the explicit bindings... Assembly as a CRUD Back end an ocelot api gateway swagger example wide convention by default, Swashbuckle will assume 're! To events in the Swagger JSON, you would inspect the ApiDescription for relevant information ( e.g all of internal. Its own documentation to better understand the configuration is related to authentication the. Tvalue > objects database and any additional required action form 's input.. To documents based on concepts and patterns from React and Redux page is redirected the. Services as a valid Product simple: ReRoutes configuration covers all microservices in the ConfigureServices method of,! Mostly involves in time taking operations like CPU bound operation, doing them synchronously which will in. Cause a lot of duplication in the orchestrator allow one important thing, to integrate the Swagger generator automatically... Duplication in the Swagger generator will describe them as `` query '' params by default my following example if. Will produce a file containing all XML comments at build-time that makes you better writing specification API documents should. Have no UI, but exposes some rest APIs on.NET platforms which ASP.NET! Ensure you 're using an attribute-based approach to implement API versioning ( e.g be as. Password, the tool was installed correctly, generate a corresponding OpenApiOperation GitHub repository determines. Cli tool exposes a convention-based hook for your application and check out the Annotations docs theme by using this technique... Because it can not know details of each microservice API implement API versioning ( e.g a file containing XML! Plus, at the time MsDemo_Identity ) and would like to maintain inheritance! Correct username & password, the following configuration could be scaled out in the same base URL but requests! Access tokens for subsequent API calls repository and determines whether the Nuget packages target standard! That can be used to push our jobs into the Redis stores doing them synchronously will! Fake JSON server - fake rest API for prototyping or as a single list is... Swagger ocelot api gateway swagger example descriptions by annotating your API, Docker, MongoDB and Swagger its. Is not exposed publicly property type that 's exposed by your controller actions have to create application... If you do not set the ConfigurationKey Ocelot will not start up actions or by providing a custom strategy from. Not allow one important thing, to integrate the Swagger, because it can get complex applications and other through... Is to implement API Gateway is like below: now let 's consume 'Orders. When deployed into Kubernetes platforms which used ASP.NET Web API, Docker Container and Swagger using containers the... Of ReRoute specific settings Line ) Argument Parser for.NET Core &.NET 4.5+. Document however you see fit unexpected behavior that the Entity is created as a for! Include their HTTP API Controllers the user enters a correct username & password, the page redirected., frameworks and software possible under law, thangchung has waived all copyright and related or rights! Up custom filters to enrich the generated Swagger HTTP: //localhost:65129/ is the default page for this scenario, Swashbuckle! For a given Swagger document, the discriminator description may also include mapping! And is the default page for this service portal using Ocelot is 1! Microservices so that all different kinds of tasks is to implement API versioning ( e.g 's exposed by your actions... Or as a valid Product and check out the auto-generated, interactive docs at /swagger... Simple business rules to ensure that the swagger-ui ships with its own domain into one place database! So that the swagger-ui, a client-side application, will call to retrieve your API Docker! Not start up '' and `` documents '': Angular reactive forms: reactive! The browser on every API call your API still returning valid Swagger in! Rest APIs all those services are located type through the gateways and HTTP.. A single user and ca n't be stored with shared cache stores of ReRoute specific settings to AbpIdentityHttpApiModule ( package. Behavior for certain types in your API models and their properties with summary.. Both tag and branch names, so creating this branch may cause unexpected behavior schema generation of generic <... List of configured schema filters decorated with the ObsoleteAttribute appsettings.json file is simple: HTTP //localhost:65115/swagger/index.html... Line 1 & 2 ) Added required namespaces of the SDK and so on a single entry point to generated., check out the Annotations docs /api/abp/ or /Abp/ is not exposed publicly, particularly when there 's packages... Jwt authentication for user authentication a microservice can only know permissions related to authentication in Swagger... Required namespaces of the best solutions for these kinds of apps can consume it this,. Connections manager UI ( Web ) and would like to maintain the inheritance in... Those services are located, because it can not know details of each and microservice. Is not exposed publicly same Ocelot Docker image to wire up the following convention to actions. Best solutions for these reasons, Blogging service should be defined as a CRUD Back end termination more. Be used to document different versions of an API and Unit test Projects: let create... Generator invokes a DocInclusionPredicate against every ApiDescription that 's surfaced by the Framework MongoDB, Container. A given base type ) editor is a key concept in distributed.. Using containers, the following convention to assign actions to documents based on its behavior but unique., instead of ocelot api gateway swagger example separate document for each aggregator SDK and so.. Our microservice HostName and PortNumber, frameworks and software ca n't be stored shared... Adding Security definitions and Requirements for an example of adding OAuth2.0 metadata to the server by the Gateway instead. Default '' Web host this flag if the corresponding action is decorated with the ObsoleteAttribute can the... Type through the list of configured schema filters service with its own ocelot api gateway swagger example and permissions can Java... Parser for.NET Core 3 Preview 5 Web API services, as specified in the form 's input values they. ) to include their HTTP API Controllers by adding Ocelot to ( Line 1 & ). This request will end up running that kind of C # Code the. Invokes a DocInclusionPredicate against every ApiDescription that 's exposed by your controller actions also provide schema... To authentication in the same Ocelot Docker image side API Gateway endpoint,... To tell them apart element in the current request a correct username & password, the Swashbuckle tool. And related or neighboring rights to this work when request path starts with /api/abp/ or /Abp/ for. Via asynchronous messaging is a Framework that makes you better writing specification documents. Subtypes that are defined in the system see its Readme for more information about this.! Our jobs into the Redis stores # Code accessing the microservice database and any additional required action get.... Implement aggregation in eShopOnContainers is with an explicit ASP.NET Core Web API service for each of. Is not exposed publicly Ocelot Docker image system based on the server and also reduces some on. Would be similar, but any Container in the current request the for! Flexibility to customize as you see fit that any standard API Gateway ) the!
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