198 lines
8.1 KiB
C#
198 lines
8.1 KiB
C#
using Autofac;
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using Autofac.Extensions.DependencyInjection;
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using HealthChecks.UI.Client;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Diagnostics.HealthChecks;
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using Microsoft.Azure.ServiceBus;
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using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
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using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
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using Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ;
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using Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Diagnostics.HealthChecks;
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using Microsoft.Extensions.Logging;
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using Payment.API.IntegrationEvents.EventHandling;
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using Payment.API.IntegrationEvents.Events;
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using RabbitMQ.Client;
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using System;
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namespace Payment.API
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{
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public class Startup
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{
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public Startup(IConfiguration configuration)
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{
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Configuration = configuration;
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}
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public IConfiguration Configuration { get; }
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// This method gets called by the runtime. Use this method to add services to the container.
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public IServiceProvider ConfigureServices(IServiceCollection services)
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{
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services.AddCustomHealthCheck(Configuration);
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services.Configure<PaymentSettings>(Configuration);
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RegisterAppInsights(services);
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if (Configuration.GetValue<bool>("AzureServiceBusEnabled"))
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{
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services.AddSingleton<IServiceBusPersisterConnection>(sp =>
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{
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var serviceBusConnectionString = Configuration["EventBusConnection"];
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var serviceBusConnection = new ServiceBusConnectionStringBuilder(serviceBusConnectionString);
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var subscriptionClientName = Configuration["SubscriptionClientName"];
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return new DefaultServiceBusPersisterConnection(serviceBusConnection, subscriptionClientName);
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});
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}
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else
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{
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services.AddSingleton<IRabbitMQPersistentConnection>(sp =>
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{
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var logger = sp.GetRequiredService<ILogger<DefaultRabbitMQPersistentConnection>>();
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var factory = new ConnectionFactory()
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{
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HostName = Configuration["EventBusConnection"],
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DispatchConsumersAsync = true
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};
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if (!string.IsNullOrEmpty(Configuration["EventBusUserName"]))
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{
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factory.UserName = Configuration["EventBusUserName"];
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}
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if (!string.IsNullOrEmpty(Configuration["EventBusPassword"]))
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{
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factory.Password = Configuration["EventBusPassword"];
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}
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var retryCount = 5;
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if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"]))
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{
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retryCount = int.Parse(Configuration["EventBusRetryCount"]);
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}
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return new DefaultRabbitMQPersistentConnection(factory, logger, retryCount);
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});
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}
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RegisterEventBus(services);
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var container = new ContainerBuilder();
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container.Populate(services);
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return new AutofacServiceProvider(container.Build());
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}
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// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
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public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
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{
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//loggerFactory.AddAzureWebAppDiagnostics();
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//loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace);
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var pathBase = Configuration["PATH_BASE"];
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if (!string.IsNullOrEmpty(pathBase))
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{
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app.UsePathBase(pathBase);
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}
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ConfigureEventBus(app);
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app.UseRouting();
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app.UseEndpoints(endpoints =>
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{
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endpoints.MapHealthChecks("/hc", new HealthCheckOptions()
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{
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Predicate = _ => true,
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ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse
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});
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endpoints.MapHealthChecks("/liveness", new HealthCheckOptions
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{
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Predicate = r => r.Name.Contains("self")
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});
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});
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}
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private void RegisterAppInsights(IServiceCollection services)
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{
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services.AddApplicationInsightsTelemetry(Configuration);
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services.AddApplicationInsightsKubernetesEnricher();
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}
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private void RegisterEventBus(IServiceCollection services)
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{
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if (Configuration.GetValue<bool>("AzureServiceBusEnabled"))
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{
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services.AddSingleton<IEventBus, EventBusServiceBus>(sp =>
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{
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var serviceBusPersisterConnection = sp.GetRequiredService<IServiceBusPersisterConnection>();
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var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
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var logger = sp.GetRequiredService<ILogger<EventBusServiceBus>>();
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var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
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return new EventBusServiceBus(serviceBusPersisterConnection, logger,
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eventBusSubcriptionsManager, iLifetimeScope);
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});
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}
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else
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{
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services.AddSingleton<IEventBus, EventBusRabbitMQ>(sp =>
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{
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var subscriptionClientName = Configuration["SubscriptionClientName"];
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var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
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var iLifetimeScope = sp.GetRequiredService<ILifetimeScope>();
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var logger = sp.GetRequiredService<ILogger<EventBusRabbitMQ>>();
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var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionsManager>();
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var retryCount = 5;
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if (!string.IsNullOrEmpty(Configuration["EventBusRetryCount"]))
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{
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retryCount = int.Parse(Configuration["EventBusRetryCount"]);
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}
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return new EventBusRabbitMQ(rabbitMQPersistentConnection, logger, iLifetimeScope, eventBusSubcriptionsManager, subscriptionClientName, retryCount);
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});
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}
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services.AddTransient<OrderStatusChangedToStockConfirmedIntegrationEventHandler>();
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services.AddSingleton<IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager>();
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}
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private void ConfigureEventBus(IApplicationBuilder app)
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{
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var eventBus = app.ApplicationServices.GetRequiredService<IEventBus>();
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eventBus.Subscribe<OrderStatusChangedToStockConfirmedIntegrationEvent, OrderStatusChangedToStockConfirmedIntegrationEventHandler>();
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}
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}
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public static class CustomExtensionMethods
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{
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public static IServiceCollection AddCustomHealthCheck(this IServiceCollection services, IConfiguration configuration)
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{
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var hcBuilder = services.AddHealthChecks();
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hcBuilder.AddCheck("self", () => HealthCheckResult.Healthy());
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if (configuration.GetValue<bool>("AzureServiceBusEnabled"))
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{
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hcBuilder
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.AddAzureServiceBusTopic(
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configuration["EventBusConnection"],
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topicName: "eshop_event_bus",
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name: "payment-servicebus-check",
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tags: new string[] { "servicebus" });
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}
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else
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{
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hcBuilder
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.AddRabbitMQ(
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$"amqp://{configuration["EventBusConnection"]}",
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name: "payment-rabbitmqbus-check",
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tags: new string[] { "rabbitmqbus" });
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}
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return services;
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}
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}
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} |