diff --git a/src/Services/Basket/Basket.API/Startup.cs b/src/Services/Basket/Basket.API/Startup.cs new file mode 100644 index 000000000..b55845277 --- /dev/null +++ b/src/Services/Basket/Basket.API/Startup.cs @@ -0,0 +1,325 @@ +namespace Microsoft.eShopOnContainers.Services.Basket.API; + +public class Startup +{ + public Startup(IConfiguration configuration) + { + Configuration = configuration; + } + + public IConfiguration Configuration { get; } + + // This method gets called by the runtime. Use this method to add services to the container. + public virtual IServiceProvider ConfigureServices(IServiceCollection services) + { + services.AddGrpc(options => + { + options.EnableDetailedErrors = true; + }); + + RegisterAppInsights(services); + + services.AddControllers(options => + { + options.Filters.Add(typeof(HttpGlobalExceptionFilter)); + options.Filters.Add(typeof(ValidateModelStateFilter)); + + }) // Added for functional tests + .AddApplicationPart(typeof(BasketController).Assembly) + .AddJsonOptions(options => options.JsonSerializerOptions.WriteIndented = true); + + services.AddSwaggerGen(options => + { + options.SwaggerDoc("v1", new OpenApiInfo + { + Title = "eShopOnContainers - Basket HTTP API", + Version = "v1", + Description = "The Basket Service HTTP API" + }); + + options.AddSecurityDefinition("oauth2", new OpenApiSecurityScheme + { + Type = SecuritySchemeType.OAuth2, + Flows = new OpenApiOAuthFlows() + { + Implicit = new OpenApiOAuthFlow() + { + AuthorizationUrl = new Uri($"{Configuration.GetValue("IdentityUrlExternal")}/connect/authorize"), + TokenUrl = new Uri($"{Configuration.GetValue("IdentityUrlExternal")}/connect/token"), + Scopes = new Dictionary() + { + { "basket", "Basket API" } + } + } + } + }); + + options.OperationFilter(); + }); + + ConfigureAuthService(services); + + services.AddCustomHealthCheck(Configuration); + + services.Configure(Configuration); + + //By connecting here we are making sure that our service + //cannot start until redis is ready. This might slow down startup, + //but given that there is a delay on resolving the ip address + //and then creating the connection it seems reasonable to move + //that cost to startup instead of having the first request pay the + //penalty. + services.AddSingleton(sp => + { + var settings = sp.GetRequiredService>().Value; + var configuration = ConfigurationOptions.Parse(settings.ConnectionString, true); + + configuration.ResolveDns = true; + + return ConnectionMultiplexer.Connect(configuration); + }); + + + if (Configuration.GetValue("AzureServiceBusEnabled")) + { + services.AddSingleton(sp => + { + var serviceBusConnectionString = Configuration["EventBusConnection"]; + var serviceBusConnection = new ServiceBusConnectionStringBuilder(serviceBusConnectionString); + + var subscriptionClientName = Configuration["SubscriptionClientName"]; + return new DefaultServiceBusPersisterConnection(serviceBusConnection, subscriptionClientName); + }); + } + else + { + services.AddSingleton(sp => + { + var logger = sp.GetRequiredService>(); + + var factory = new ConnectionFactory() + { + HostName = Configuration["EventBusConnection"], + DispatchConsumersAsync = true + }; + + if (!string.IsNullOrEmpty(Configuration["EventBusUserName"])) + { + factory.UserName = Configuration["EventBusUserName"]; + } + + if (!string.IsNullOrEmpty(Configuration["EventBusPassword"])) + { + factory.Password = Configuration["EventBusPassword"]; + } + + var retryCount = 5; + if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"])) + { + retryCount = int.Parse(Configuration["EventBusRetryCount"]); + } + + return new DefaultRabbitMQPersistentConnection(factory, logger, retryCount); + }); + } + + RegisterEventBus(services); + + + services.AddCors(options => + { + options.AddPolicy("CorsPolicy", + builder => builder + .SetIsOriginAllowed((host) => true) + .AllowAnyMethod() + .AllowAnyHeader() + .AllowCredentials()); + }); + services.AddSingleton(); + services.AddTransient(); + services.AddTransient(); + + services.AddOptions(); + + var container = new ContainerBuilder(); + container.Populate(services); + + return new AutofacServiceProvider(container.Build()); + } + + // This method gets called by the runtime. Use this method to configure the HTTP request pipeline. + public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory) + { + //loggerFactory.AddAzureWebAppDiagnostics(); + //loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace); + + var pathBase = Configuration["PATH_BASE"]; + if (!string.IsNullOrEmpty(pathBase)) + { + app.UsePathBase(pathBase); + } + + app.UseSwagger() + .UseSwaggerUI(setup => + { + setup.SwaggerEndpoint($"{ (!string.IsNullOrEmpty(pathBase) ? pathBase : string.Empty) }/swagger/v1/swagger.json", "Basket.API V1"); + setup.OAuthClientId("basketswaggerui"); + setup.OAuthAppName("Basket Swagger UI"); + }); + + app.UseRouting(); + app.UseCors("CorsPolicy"); + ConfigureAuth(app); + + app.UseStaticFiles(); + + app.UseEndpoints(endpoints => + { + endpoints.MapGrpcService(); + endpoints.MapDefaultControllerRoute(); + endpoints.MapControllers(); + endpoints.MapGet("/_proto/", async ctx => + { + ctx.Response.ContentType = "text/plain"; + using var fs = new FileStream(Path.Combine(env.ContentRootPath, "Proto", "basket.proto"), FileMode.Open, FileAccess.Read); + using var sr = new StreamReader(fs); + while (!sr.EndOfStream) + { + var line = await sr.ReadLineAsync(); + if (line != "/* >>" || line != "<< */") + { + await ctx.Response.WriteAsync(line); + } + } + }); + endpoints.MapHealthChecks("/hc", new HealthCheckOptions() + { + Predicate = _ => true, + ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse + }); + endpoints.MapHealthChecks("/liveness", new HealthCheckOptions + { + Predicate = r => r.Name.Contains("self") + }); + }); + + ConfigureEventBus(app); + } + + private void RegisterAppInsights(IServiceCollection services) + { + services.AddApplicationInsightsTelemetry(Configuration); + services.AddApplicationInsightsKubernetesEnricher(); + } + + private void ConfigureAuthService(IServiceCollection services) + { + // prevent from mapping "sub" claim to nameidentifier. + JwtSecurityTokenHandler.DefaultInboundClaimTypeMap.Remove("sub"); + + var identityUrl = Configuration.GetValue("IdentityUrl"); + + services.AddAuthentication(options => + { + options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme; + options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme; + + }).AddJwtBearer(options => + { + options.Authority = identityUrl; + options.RequireHttpsMetadata = false; + options.Audience = "basket"; + }); + } + + protected virtual void ConfigureAuth(IApplicationBuilder app) + { + app.UseAuthentication(); + app.UseAuthorization(); + } + + private void RegisterEventBus(IServiceCollection services) + { + if (Configuration.GetValue("AzureServiceBusEnabled")) + { + services.AddSingleton(sp => + { + var serviceBusPersisterConnection = sp.GetRequiredService(); + var iLifetimeScope = sp.GetRequiredService(); + var logger = sp.GetRequiredService>(); + var eventBusSubcriptionsManager = sp.GetRequiredService(); + + return new EventBusServiceBus(serviceBusPersisterConnection, logger, + eventBusSubcriptionsManager, iLifetimeScope); + }); + } + else + { + services.AddSingleton(sp => + { + var subscriptionClientName = Configuration["SubscriptionClientName"]; + var rabbitMQPersistentConnection = sp.GetRequiredService(); + var iLifetimeScope = sp.GetRequiredService(); + var logger = sp.GetRequiredService>(); + var eventBusSubcriptionsManager = sp.GetRequiredService(); + + var retryCount = 5; + if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"])) + { + retryCount = int.Parse(Configuration["EventBusRetryCount"]); + } + + return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount); + }); + } + + services.AddSingleton(); + + services.AddTransient(); + services.AddTransient(); + } + + private void ConfigureEventBus(IApplicationBuilder app) + { + var eventBus = app.ApplicationServices.GetRequiredService(); + + eventBus.Subscribe(); + eventBus.Subscribe(); + } +} + +public static class CustomExtensionMethods +{ + public static IServiceCollection AddCustomHealthCheck(this IServiceCollection services, IConfiguration configuration) + { + var hcBuilder = services.AddHealthChecks(); + + hcBuilder.AddCheck("self", () => HealthCheckResult.Healthy()); + + hcBuilder + .AddRedis( + configuration["ConnectionString"], + name: "redis-check", + tags: new string[] { "redis" }); + + if (configuration.GetValue("AzureServiceBusEnabled")) + { + hcBuilder + .AddAzureServiceBusTopic( + configuration["EventBusConnection"], + topicName: "eshop_event_bus", + name: "basket-servicebus-check", + tags: new string[] { "servicebus" }); + } + else + { + hcBuilder + .AddRabbitMQ( + $"amqp://{configuration["EventBusConnection"]}", + name: "basket-rabbitmqbus-check", + tags: new string[] { "rabbitmqbus" }); + } + + return services; + } +}