diff --git a/.gitignore b/.gitignore
index ce892922..938d4906 100644
--- a/.gitignore
+++ b/.gitignore
@@ -73,6 +73,11 @@ BenchmarkDotNet.Artifacts/
project.lock.json
project.fragment.lock.json
artifacts/
+**/bin/
+**/obj/
+**/Debug/
+**/Release/
+**/publish/
# ASP.NET Scaffolding
ScaffoldingReadMe.txt
diff --git a/Client.Wasm/Components/StudentCard.razor b/Client.Wasm/Components/StudentCard.razor
index 661f1181..6e17a1e8 100644
--- a/Client.Wasm/Components/StudentCard.razor
+++ b/Client.Wasm/Components/StudentCard.razor
@@ -4,10 +4,10 @@
- Номер №X "Название лабораторной"
- Вариант №Х "Название варианта"
- Выполнена Фамилией Именем 65ХХ
- Ссылка на форк
+ Номер №3 "«Интеграционное тестирование» - Реализация файлового сервиса и объектного хранилища, интеграционное тестирование бекенда"
+ Вариант №41 "Кредитная заявка "
+ Выполнена Кадниковым Егором 6513
+ Ссылка на форк
diff --git a/Client.Wasm/wwwroot/appsettings.json b/Client.Wasm/wwwroot/appsettings.json
index d1fe7ab3..2272e7d2 100644
--- a/Client.Wasm/wwwroot/appsettings.json
+++ b/Client.Wasm/wwwroot/appsettings.json
@@ -1,10 +1,10 @@
{
- "Logging": {
- "LogLevel": {
- "Default": "Information",
- "Microsoft.AspNetCore": "Warning"
- }
- },
- "AllowedHosts": "*",
- "BaseAddress": ""
-}
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ },
+ "AllowedHosts": "*",
+ "BaseAddress": "https://localhost:7124/api/orders"
+}
\ No newline at end of file
diff --git a/CloudDevelopment.AppHost/AppHost.cs b/CloudDevelopment.AppHost/AppHost.cs
new file mode 100644
index 00000000..e3674a21
--- /dev/null
+++ b/CloudDevelopment.AppHost/AppHost.cs
@@ -0,0 +1,71 @@
+using Amazon;
+using Amazon.CDK.AWS.Servicecatalog;
+using Aspire.Hosting.LocalStack.Container;
+using LocalStack.Client.Enums;
+using Microsoft.Extensions.Configuration;
+
+var builder = DistributedApplication.CreateBuilder(args);
+
+var ports = builder.Configuration.GetSection("ApiService:Ports").Get()
+ ?? throw new InvalidOperationException("ApiService:Ports is not configured.");
+
+var cache = builder.AddRedis("credit-order-cache")
+ .WithRedisInsight(containerName: "credit-order-insight");
+
+var awsConfig = builder.AddAWSSDKConfig()
+ .WithProfile("default")
+ .WithRegion(RegionEndpoint.EUCentral1);
+
+var localstack = builder
+ .AddLocalStack("credid-order-localstack", awsConfig: awsConfig, configureContainer: container =>
+ {
+ container.Lifetime = ContainerLifetime.Session;
+ container.DebugLevel = 1;
+ container.LogLevel = LocalStackLogLevel.Debug;
+ container.Port = 4566;
+ container.AdditionalEnvironmentVariables
+ .Add("DEBUG", "1");
+ container.AdditionalEnvironmentVariables
+ .Add("SNS_CERT_URL_HOST", "sns.eu-central-1.amazonaws.com");
+ });
+
+var cloudFormationTemplate = "CloudFormation/sqs-s3.yml";
+var awsResources = builder.AddAWSCloudFormationTemplate("resources", cloudFormationTemplate, "credit-order")
+ .WithReference(awsConfig);
+
+var gateway = builder.AddProject("gateway");
+for (var i = 0; i < ports.Length; i++)
+{
+ var httpsPort = ports[i];
+ var httpPort = ports[i] - 1000;
+
+ var generator = builder.AddProject($"generator-r{i + 1}", launchProfileName: null)
+ .WithReference(cache, "RedisCache")
+ .WithHttpEndpoint(httpPort)
+ .WithReference(awsResources)
+ .WithHttpsEndpoint(httpsPort)
+ .WaitFor(cache)
+ .WaitFor(awsResources);
+
+ gateway.WaitFor(generator);
+}
+
+builder.AddProject("client-wasm")
+ .WaitFor(gateway);
+
+var storage = builder.AddProject("service-storage")
+ .WithHttpEndpoint(5444, name: "storege-http")
+ .WithReference(awsResources)
+ .WithEnvironment("Settings__MessageBroker", "SQS")
+ .WithEnvironment("Settings__S3Hosting", "Minio")
+ .WaitFor(awsResources);
+
+var minio = builder.AddMinioContainer("credit-order-minio");
+
+storage.WithEnvironment("AWS__Resources__MinioBucketName", "credit-order-bucket")
+ .WithReference(minio)
+ .WaitFor(minio);
+
+builder.UseLocalStack(localstack);
+
+builder.Build().Run();
diff --git a/CloudDevelopment.AppHost/CloudDevelopment.AppHost.csproj b/CloudDevelopment.AppHost/CloudDevelopment.AppHost.csproj
new file mode 100644
index 00000000..b1f213e2
--- /dev/null
+++ b/CloudDevelopment.AppHost/CloudDevelopment.AppHost.csproj
@@ -0,0 +1,37 @@
+
+
+
+
+
+ Exe
+ net8.0
+ enable
+ enable
+ 2f419979-4dcb-43a3-bf86-3b5579f994b9
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Always
+
+
+
+
+
+
+
+
diff --git a/CloudDevelopment.AppHost/CloudFormation/sqs-s3.yml b/CloudDevelopment.AppHost/CloudFormation/sqs-s3.yml
new file mode 100644
index 00000000..b637a964
--- /dev/null
+++ b/CloudDevelopment.AppHost/CloudFormation/sqs-s3.yml
@@ -0,0 +1,62 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: 'Cloud formation template for credit order project'
+
+Parameters:
+ BucketName:
+ Type: String
+ Description: Name for the S3 bucket
+ Default: 'credit-order-bucket'
+
+ QueueName:
+ Type: String
+ Description: Name for the SQS queue
+ Default: 'credit-order-queue'
+
+Resources:
+ CreditOrderBucket:
+ Type: AWS::S3::Bucket
+ Properties:
+ BucketName: !Ref BucketName
+ VersioningConfiguration:
+ Status: Suspended
+ Tags:
+ - Key: Name
+ Value: !Ref BucketName
+ - Key: Environment
+ Value: Sample
+ PublicAccessBlockConfiguration:
+ BlockPublicAcls: true
+ BlockPublicPolicy: true
+ IgnorePublicAcls: true
+ RestrictPublicBuckets: true
+
+ CreditOrderQueue:
+ Type: AWS::SQS::Queue
+ Properties:
+ QueueName: !Ref QueueName
+ VisibilityTimeout: 30
+ MessageRetentionPeriod: 345600
+ DelaySeconds: 0
+ ReceiveMessageWaitTimeSeconds: 0
+ Tags:
+ - Key: Name
+ Value: !Ref QueueName
+ - Key: Environment
+ Value: Sample
+
+Outputs:
+ S3BucketName:
+ Description: Name of the S3 bucket
+ Value: !Ref CreditOrderBucket
+
+ S3BucketArn:
+ Description: ARN of the S3 bucket
+ Value: !GetAtt CreditOrderBucket.Arn
+
+ SQSQueueName:
+ Description: Name of the SQS queue
+ Value: !GetAtt CreditOrderQueue.QueueName
+
+ SQSQueueArn:
+ Description: ARN of the SQS queue
+ Value: !GetAtt CreditOrderQueue.Arn
\ No newline at end of file
diff --git a/CloudDevelopment.AppHost/Properties/launchSettings.json b/CloudDevelopment.AppHost/Properties/launchSettings.json
new file mode 100644
index 00000000..b5c6a54c
--- /dev/null
+++ b/CloudDevelopment.AppHost/Properties/launchSettings.json
@@ -0,0 +1,29 @@
+{
+ "$schema": "https://json.schemastore.org/launchsettings.json",
+ "profiles": {
+ "https": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "applicationUrl": "https://localhost:17129;http://localhost:15221",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development",
+ "DOTNET_ENVIRONMENT": "Development",
+ "ASPIRE_DASHBOARD_OTLP_ENDPOINT_URL": "https://localhost:21101",
+ "ASPIRE_RESOURCE_SERVICE_ENDPOINT_URL": "https://localhost:22255"
+ }
+ },
+ "http": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "applicationUrl": "http://localhost:15221",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development",
+ "DOTNET_ENVIRONMENT": "Development",
+ "ASPIRE_DASHBOARD_OTLP_ENDPOINT_URL": "http://localhost:19083",
+ "ASPIRE_RESOURCE_SERVICE_ENDPOINT_URL": "http://localhost:20274"
+ }
+ }
+ }
+}
diff --git a/CloudDevelopment.AppHost/appsettings.Development.json b/CloudDevelopment.AppHost/appsettings.Development.json
new file mode 100644
index 00000000..0c208ae9
--- /dev/null
+++ b/CloudDevelopment.AppHost/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ }
+}
diff --git a/CloudDevelopment.AppHost/appsettings.json b/CloudDevelopment.AppHost/appsettings.json
new file mode 100644
index 00000000..71bf8376
--- /dev/null
+++ b/CloudDevelopment.AppHost/appsettings.json
@@ -0,0 +1,8 @@
+{
+ "ApiService": {
+ "Ports": [ 7241, 7242, 7243, 7244, 7245 ]
+ },
+ "LocalStack": {
+ "UseLocalStack": true
+ }
+}
\ No newline at end of file
diff --git a/CloudDevelopment.ServiceDefaults/CloudDevelopment.ServiceDefaults.csproj b/CloudDevelopment.ServiceDefaults/CloudDevelopment.ServiceDefaults.csproj
new file mode 100644
index 00000000..1b6e209a
--- /dev/null
+++ b/CloudDevelopment.ServiceDefaults/CloudDevelopment.ServiceDefaults.csproj
@@ -0,0 +1,22 @@
+
+
+
+ net8.0
+ enable
+ enable
+ true
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/CloudDevelopment.ServiceDefaults/Extensions.cs b/CloudDevelopment.ServiceDefaults/Extensions.cs
new file mode 100644
index 00000000..8b1a2b03
--- /dev/null
+++ b/CloudDevelopment.ServiceDefaults/Extensions.cs
@@ -0,0 +1,128 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Diagnostics.HealthChecks;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.ServiceDiscovery;
+using OpenTelemetry;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Trace;
+
+namespace CloudDevelopment.ServiceDefaults;
+
+// Adds common Aspire services: service discovery, resilience, health checks, and OpenTelemetry.
+// This project should be referenced by each service project in your solution.
+// To learn more about using this project, see https://aka.ms/dotnet/aspire/service-defaults
+public static class Extensions
+{
+ private const string HealthEndpointPath = "/health";
+ private const string AlivenessEndpointPath = "/alive";
+
+ public static TBuilder AddServiceDefaults(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+ {
+ builder.ConfigureOpenTelemetry();
+
+ builder.AddDefaultHealthChecks();
+
+ builder.Services.AddServiceDiscovery();
+
+ builder.Services.ConfigureHttpClientDefaults(http =>
+ {
+ // Turn on resilience by default
+ http.AddStandardResilienceHandler();
+
+ // Turn on service discovery by default
+ http.AddServiceDiscovery();
+ });
+
+ // Uncomment the following to restrict the allowed schemes for service discovery.
+ // builder.Services.Configure(options =>
+ // {
+ // options.AllowedSchemes = ["https"];
+ // });
+
+ return builder;
+ }
+
+ public static TBuilder ConfigureOpenTelemetry(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+ {
+ builder.Logging.AddOpenTelemetry(logging =>
+ {
+ logging.IncludeFormattedMessage = true;
+ logging.IncludeScopes = true;
+ });
+
+ builder.Services.AddOpenTelemetry()
+ .WithMetrics(metrics =>
+ {
+ metrics.AddAspNetCoreInstrumentation()
+ .AddHttpClientInstrumentation()
+ .AddRuntimeInstrumentation();
+ })
+ .WithTracing(tracing =>
+ {
+ tracing.AddSource(builder.Environment.ApplicationName)
+ .AddAspNetCoreInstrumentation(tracing =>
+ // Exclude health check requests from tracing
+ tracing.Filter = context =>
+ !context.Request.Path.StartsWithSegments(HealthEndpointPath)
+ && !context.Request.Path.StartsWithSegments(AlivenessEndpointPath)
+ )
+ // Uncomment the following line to enable gRPC instrumentation (requires the OpenTelemetry.Instrumentation.GrpcNetClient package)
+ //.AddGrpcClientInstrumentation()
+ .AddHttpClientInstrumentation();
+ });
+
+ builder.AddOpenTelemetryExporters();
+
+ return builder;
+ }
+
+ private static TBuilder AddOpenTelemetryExporters(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+ {
+ var useOtlpExporter = !string.IsNullOrWhiteSpace(builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"]);
+
+ if (useOtlpExporter)
+ {
+ builder.Services.AddOpenTelemetry().UseOtlpExporter();
+ }
+
+ // Uncomment the following lines to enable the Azure Monitor exporter (requires the Azure.Monitor.OpenTelemetry.AspNetCore package)
+ //if (!string.IsNullOrEmpty(builder.Configuration["APPLICATIONINSIGHTS_CONNECTION_STRING"]))
+ //{
+ // builder.Services.AddOpenTelemetry()
+ // .UseAzureMonitor();
+ //}
+
+ return builder;
+ }
+
+ public static TBuilder AddDefaultHealthChecks(this TBuilder builder) where TBuilder : IHostApplicationBuilder
+ {
+ builder.Services.AddHealthChecks()
+ // Add a default liveness check to ensure app is responsive
+ .AddCheck("self", () => HealthCheckResult.Healthy(), ["live"]);
+
+ return builder;
+ }
+
+ public static WebApplication MapDefaultEndpoints(this WebApplication app)
+ {
+ // Adding health checks endpoints to applications in non-development environments has security implications.
+ // See https://aka.ms/dotnet/aspire/healthchecks for details before enabling these endpoints in non-development environments.
+ if (app.Environment.IsDevelopment())
+ {
+ // All health checks must pass for app to be considered ready to accept traffic after starting
+ app.MapHealthChecks(HealthEndpointPath);
+
+ // Only health checks tagged with the "live" tag must pass for app to be considered alive
+ app.MapHealthChecks(AlivenessEndpointPath, new HealthCheckOptions
+ {
+ Predicate = r => r.Tags.Contains("live")
+ });
+ }
+
+ return app;
+ }
+}
diff --git a/CloudDevelopment.sln b/CloudDevelopment.sln
index cb48241d..d143ef73 100644
--- a/CloudDevelopment.sln
+++ b/CloudDevelopment.sln
@@ -5,6 +5,18 @@ VisualStudioVersion = 17.14.36811.4
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Client.Wasm", "Client.Wasm\Client.Wasm.csproj", "{AE7EEA74-2FE0-136F-D797-854FD87E022A}"
EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Service.Api", "Generator\Service.Api.csproj", "{5F162047-71C4-A730-10F2-8456E4D1F966}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CloudDevelopment.AppHost", "CloudDevelopment.AppHost\CloudDevelopment.AppHost.csproj", "{359B77C3-1D6B-4E58-A926-C907812424A8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CloudDevelopment.ServiceDefaults", "CloudDevelopment.ServiceDefaults\CloudDevelopment.ServiceDefaults.csproj", "{DC017A15-5E73-C618-2A78-CD0D64478DC9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Api.Gateway", "CreditOrder.Gateway\Api.Gateway.csproj", "{8A14F5A2-48C3-1C30-0A17-D7579F6795C9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Service.Storage", "Service.Storage\Service.Storage.csproj", "{8A73C6A0-9E6F-1B4F-CC95-75E08F6D247B}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IntegrationTests", "IntegrationTests\IntegrationTests.csproj", "{0E29B01D-8437-41A8-B709-E22CF31AA194}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -15,6 +27,30 @@ Global
{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Debug|Any CPU.Build.0 = Debug|Any CPU
{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Release|Any CPU.ActiveCfg = Release|Any CPU
{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Release|Any CPU.Build.0 = Release|Any CPU
+ {5F162047-71C4-A730-10F2-8456E4D1F966}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {5F162047-71C4-A730-10F2-8456E4D1F966}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {5F162047-71C4-A730-10F2-8456E4D1F966}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {5F162047-71C4-A730-10F2-8456E4D1F966}.Release|Any CPU.Build.0 = Release|Any CPU
+ {359B77C3-1D6B-4E58-A926-C907812424A8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {359B77C3-1D6B-4E58-A926-C907812424A8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {359B77C3-1D6B-4E58-A926-C907812424A8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {359B77C3-1D6B-4E58-A926-C907812424A8}.Release|Any CPU.Build.0 = Release|Any CPU
+ {DC017A15-5E73-C618-2A78-CD0D64478DC9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {DC017A15-5E73-C618-2A78-CD0D64478DC9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {DC017A15-5E73-C618-2A78-CD0D64478DC9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {DC017A15-5E73-C618-2A78-CD0D64478DC9}.Release|Any CPU.Build.0 = Release|Any CPU
+ {8A14F5A2-48C3-1C30-0A17-D7579F6795C9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {8A14F5A2-48C3-1C30-0A17-D7579F6795C9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {8A14F5A2-48C3-1C30-0A17-D7579F6795C9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {8A14F5A2-48C3-1C30-0A17-D7579F6795C9}.Release|Any CPU.Build.0 = Release|Any CPU
+ {8A73C6A0-9E6F-1B4F-CC95-75E08F6D247B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {8A73C6A0-9E6F-1B4F-CC95-75E08F6D247B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {8A73C6A0-9E6F-1B4F-CC95-75E08F6D247B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {8A73C6A0-9E6F-1B4F-CC95-75E08F6D247B}.Release|Any CPU.Build.0 = Release|Any CPU
+ {0E29B01D-8437-41A8-B709-E22CF31AA194}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {0E29B01D-8437-41A8-B709-E22CF31AA194}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {0E29B01D-8437-41A8-B709-E22CF31AA194}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {0E29B01D-8437-41A8-B709-E22CF31AA194}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
diff --git a/CreditOrder.Gateway/Api.Gateway.csproj b/CreditOrder.Gateway/Api.Gateway.csproj
new file mode 100644
index 00000000..f0acd112
--- /dev/null
+++ b/CreditOrder.Gateway/Api.Gateway.csproj
@@ -0,0 +1,17 @@
+
+
+
+ net8.0
+ enable
+ enable
+
+
+
+
+
+
+
+
+
+
+
diff --git a/CreditOrder.Gateway/LoadBalancers/WeightedRandomLoadBalancer.cs b/CreditOrder.Gateway/LoadBalancers/WeightedRandomLoadBalancer.cs
new file mode 100644
index 00000000..85e44087
--- /dev/null
+++ b/CreditOrder.Gateway/LoadBalancers/WeightedRandomLoadBalancer.cs
@@ -0,0 +1,113 @@
+using Api.Gateway.Models;
+using Ocelot.LoadBalancer.Interfaces;
+using Ocelot.Responses;
+using Ocelot.Values;
+
+namespace Api.Gateway.LoadBalancers;
+
+///
+/// Балансировщик нагрузки для Ocelot, работает по алгоритму weighted random.
+///
+/// Вес каждой реплики задаётся в конфигурации через секцию ReplicaWeights.
+///
+/// Чем больше вес реплики, тем выше вероятность, что запрос будет направлен именно на неt.
+///
+public sealed class WeightedRandomLoadBalancer(IConfiguration configuration,
+ Func>> _services) : ILoadBalancer
+{
+ ///
+ /// Конфигурация весов реплик downstream-сервисов.
+ ///
+ private readonly List _weights = configuration.GetSection("ReplicaWeights").Get>() ?? [];
+
+ ///
+ /// Тип балансировщика нагрузки.
+ /// Используется Ocelot для сопоставления с конфигурацией
+ /// LoadBalancerOptions.Type.
+ ///
+ public string Type => nameof(WeightedRandomLoadBalancer);
+
+ ///
+ /// lookup весов по паре (Host, Port).
+ ///
+ private readonly Dictionary<(string Host, int Port), int> _weightsByEndpoint =
+ (configuration.GetSection("ReplicaWeights").Get>() ?? [])
+ .ToDictionary(
+ w => (w.Host.ToLowerInvariant(), w.Port),
+ w => w.Weight);
+
+ ///
+ /// Выбирает downstream-сервис для обработки запроса.
+ /// Если веса для сервисов не заданы, используется первый доступный сервис.
+ ///
+ ///
+ /// HTTP-контекст текущего запроса.
+ /// В данном балансировщике не используется.
+ ///
+ ///
+ /// Объект ,
+ /// содержащий выбранный downstream-сервис.
+ ///
+ ///
+ /// Выбрасывается, если список downstream-сервисов пуст.
+ ///
+ public async Task> LeaseAsync(HttpContext _)
+ {
+ var services = await _services();
+
+ var candidates = new List<(Service Service, int Weight)>();
+
+ foreach (var service in services)
+ {
+ var key = (
+ service.HostAndPort.DownstreamHost.ToLowerInvariant(),
+ service.HostAndPort.DownstreamPort
+ );
+
+ if (_weightsByEndpoint.TryGetValue(key, out var serviceWeight))
+ {
+ candidates.Add((service, serviceWeight));
+ }
+ }
+
+ if (candidates.Count == 0)
+ {
+ var fallback = services.FirstOrDefault();
+ if (fallback is null)
+ {
+ throw new InvalidOperationException("No downstream services configured.");
+ }
+
+ return await Task.FromResult>(
+ new OkResponse(fallback.HostAndPort));
+ }
+
+ var totalWeight = candidates.Sum(x => x.Weight);
+ var resSum = Random.Shared.Next(1, totalWeight + 1);
+
+ var weight = 0;
+ foreach (var candidate in candidates)
+ {
+ weight += candidate.Weight;
+ if (resSum <= weight)
+ {
+ return await Task.FromResult>(
+ new OkResponse(candidate.Service.HostAndPort));
+ }
+ }
+
+ return await Task.FromResult>(
+ new OkResponse(candidates[^1].Service.HostAndPort));
+ }
+
+ ///
+ /// Освобождает ранее выделенный сервис.
+ ///
+ /// В данном балансировщике метод не используется,
+ /// так как выбор сервиса происходит без удержания состояния.
+ ///
+ /// Адрес сервиса.
+ public void Release(ServiceHostAndPort _)
+ {
+ }
+}
\ No newline at end of file
diff --git a/CreditOrder.Gateway/Models/ReplicaWeight.cs b/CreditOrder.Gateway/Models/ReplicaWeight.cs
new file mode 100644
index 00000000..64ad078e
--- /dev/null
+++ b/CreditOrder.Gateway/Models/ReplicaWeight.cs
@@ -0,0 +1,21 @@
+namespace Api.Gateway.Models;
+
+///
+/// Модель конфигурации реплики downstream-сервиса, используемая балансировщиком нагрузки шлюза.
+///
+public class ReplicaWeight
+{
+ ///
+ /// Хост сервиса-реплики.
+ ///
+ public string Host { get; set; } = string.Empty;
+ ///
+ /// Порт, на котором работает реплика сервиса.
+ ///
+ public int Port { get; set; }
+ ///
+ /// Вес реплики для алгоритма балансировки нагрузки.
+ /// Чем больше значение, тем чаще на эту реплику будут направляться запросы.
+ ///
+ public int Weight { get; set; }
+}
diff --git a/CreditOrder.Gateway/Program.cs b/CreditOrder.Gateway/Program.cs
new file mode 100644
index 00000000..364291d0
--- /dev/null
+++ b/CreditOrder.Gateway/Program.cs
@@ -0,0 +1,25 @@
+using Api.Gateway.LoadBalancers;
+using Ocelot.DependencyInjection;
+using Ocelot.LoadBalancer.Interfaces;
+using Ocelot.Middleware;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Configuration.AddJsonFile("ocelot.json", optional: false, reloadOnChange: true);
+
+builder.Services
+ .AddOcelot(builder.Configuration)
+ .AddCustomLoadBalancer((serviceProvider, _, discoveryProvider) =>
+ {
+ var configuration = serviceProvider.GetRequiredService();
+
+ return new WeightedRandomLoadBalancer(
+ configuration,
+ discoveryProvider!.GetAsync);
+ });
+
+builder.Configuration.AddOcelot();
+
+var app = builder.Build();
+await app.UseOcelot();
+await app.RunAsync();
diff --git a/CreditOrder.Gateway/Properties/launchSettings.json b/CreditOrder.Gateway/Properties/launchSettings.json
new file mode 100644
index 00000000..c07b0a5c
--- /dev/null
+++ b/CreditOrder.Gateway/Properties/launchSettings.json
@@ -0,0 +1,38 @@
+{
+ "$schema": "http://json.schemastore.org/launchsettings.json",
+ "iisSettings": {
+ "windowsAuthentication": false,
+ "anonymousAuthentication": true,
+ "iisExpress": {
+ "applicationUrl": "http://localhost:43281",
+ "sslPort": 44361
+ }
+ },
+ "profiles": {
+ "http": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "applicationUrl": "http://localhost:5265",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ },
+ "https": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "applicationUrl": "https://localhost:7124;http://localhost:5265",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ },
+ "IIS Express": {
+ "commandName": "IISExpress",
+ "launchBrowser": true,
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ }
+ }
+}
diff --git a/CreditOrder.Gateway/appsettings.Development.json b/CreditOrder.Gateway/appsettings.Development.json
new file mode 100644
index 00000000..0c208ae9
--- /dev/null
+++ b/CreditOrder.Gateway/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ }
+}
diff --git a/CreditOrder.Gateway/appsettings.json b/CreditOrder.Gateway/appsettings.json
new file mode 100644
index 00000000..85428df6
--- /dev/null
+++ b/CreditOrder.Gateway/appsettings.json
@@ -0,0 +1,29 @@
+{
+ "ReplicaWeights": [
+ {
+ "Host": "localhost",
+ "Port": 7241,
+ "Weight": 1
+ },
+ {
+ "Host": "localhost",
+ "Port": 7242,
+ "Weight": 2
+ },
+ {
+ "Host": "localhost",
+ "Port": 7243,
+ "Weight": 3
+ },
+ {
+ "Host": "localhost",
+ "Port": 7244,
+ "Weight": 4
+ },
+ {
+ "Host": "localhost",
+ "Port": 7245,
+ "Weight": 5
+ }
+ ]
+}
\ No newline at end of file
diff --git a/CreditOrder.Gateway/ocelot.json b/CreditOrder.Gateway/ocelot.json
new file mode 100644
index 00000000..04fb670b
--- /dev/null
+++ b/CreditOrder.Gateway/ocelot.json
@@ -0,0 +1,38 @@
+{
+ "Routes": [
+ {
+ "UpstreamPathTemplate": "/api/orders",
+ "UpstreamHttpMethod": [ "Get" ],
+ "DownstreamPathTemplate": "/credit-orders",
+ "DownstreamScheme": "https",
+ "DownstreamHostAndPorts": [
+ {
+ "Host": "localhost",
+ "Port": 7241
+ },
+ {
+ "Host": "localhost",
+ "Port": 7242
+ },
+ {
+ "Host": "localhost",
+ "Port": 7243
+ },
+ {
+ "Host": "localhost",
+ "Port": 7244
+ },
+ {
+ "Host": "localhost",
+ "Port": 7245
+ }
+ ],
+ "LoadBalancerOptions": {
+ "Type": "WeightedRandomLoadBalancer"
+ }
+ }
+ ],
+ "GlobalConfiguration": {
+ "BaseUrl": "https://localhost:7124"
+ }
+}
\ No newline at end of file
diff --git a/Generator/Controllers/CreditOrderController.cs b/Generator/Controllers/CreditOrderController.cs
new file mode 100644
index 00000000..cb483a94
--- /dev/null
+++ b/Generator/Controllers/CreditOrderController.cs
@@ -0,0 +1,37 @@
+using Service.Api.Dto;
+using Service.Api.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Service.Api.Controllers;
+
+///
+/// HTTP API для получения кредитной заявки по идентификатору.
+/// Использует для получения данных (кэш + генерация).
+///
+[ApiController]
+[Route("credit-orders")]
+public class CreditOrderController (
+ CreditOrderService service,
+ ILogger logger
+ ) : ControllerBase
+{
+
+ ///
+ /// Возвращает кредитную заявку по из query string.
+ ///
+ /// Идентификатор заявки (должен быть больше 0).
+ /// Токен отмены запроса.
+ /// DTO кредитной заявки.
+ /// Заявка успешно получена.
+ /// Некорректный идентификатор (id <= 0).
+ [HttpGet]
+ public async Task> Get([FromQuery] int id, CancellationToken ct)
+ {
+ logger.LogInformation("HTTP GET /credit-orders requested: {OrderId}", id);
+ if (id <= 0)
+ return BadRequest("id must be greater than 0");
+ var order = await service.GetByIdAsync(id, ct);
+ logger.LogInformation("HTTP GET /credit-orders completed: {OrderId} {Status}", order.Id, order.OrderStatus);
+ return Ok(order);
+ }
+}
diff --git a/Generator/Dto/CreditOrderDto.cs b/Generator/Dto/CreditOrderDto.cs
new file mode 100644
index 00000000..50879f52
--- /dev/null
+++ b/Generator/Dto/CreditOrderDto.cs
@@ -0,0 +1,41 @@
+namespace Service.Api.Dto;
+
+///
+/// DTO кредитной заявки, возвращаемый HTTP API.
+///
+public class CreditOrderDto
+{
+ /// Идентификатор заявки.
+ public int Id { get; set; }
+
+ /// Тип кредита (например: Потребительский, Ипотека).
+ public string CreditType { get; set; } = "";
+
+ /// Запрошенная сумма кредита.
+ public decimal RequestedSum { get; set; }
+
+ /// Срок кредита в месяцах.
+ public int MonthsDuration { get; set; }
+
+ /// Процентная ставка (годовых).
+ public double InterestRate { get; set; }
+
+ /// Дата подачи заявки.
+ public DateOnly FilingDate { get; set; }
+
+ /// Признак необходимости страховки.
+ public bool IsInsuranceNeeded { get; set; }
+
+ /// Статус заявки: Новая / В обработке / Одобрена / Отклонена.
+ public string OrderStatus { get; set; } = "";
+
+ ///
+ /// Дата принятия решения. Заполняется только для конечных статусов (например, Одобрена/Отклонена).
+ ///
+ public DateOnly? DecisionDate { get; set; }
+
+ ///
+ /// Одобренная сумма. Заполняется только при статусе "Одобрена".
+ ///
+ public decimal? ApprovedSum { get; set; }
+}
diff --git a/Generator/Program.cs b/Generator/Program.cs
new file mode 100644
index 00000000..aa0b326a
--- /dev/null
+++ b/Generator/Program.cs
@@ -0,0 +1,62 @@
+using Amazon.SQS;
+using CloudDevelopment.ServiceDefaults;
+using LocalStack.Client.Extensions;
+using Service.Api.Services;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.AddServiceDefaults();
+
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+builder.Services.AddCors(options =>
+{
+ options.AddDefaultPolicy(policy =>
+ policy.SetIsOriginAllowed(origin =>
+ {
+ try
+ {
+ var uri = new Uri(origin);
+ return uri.Host == "localhost";
+ }
+ catch
+ {
+ return false;
+ }
+ })
+ .WithMethods("GET")
+ .AllowAnyHeader());
+});
+
+builder.Services.AddScoped();
+builder.Services.AddLocalStack(builder.Configuration);
+builder.Services.AddAwsService();
+
+builder.AddRedisDistributedCache(connectionName: "RedisCache");
+
+builder.Services.AddScoped();
+builder.Services.AddScoped();
+
+var app = builder.Build();
+
+app.UseCors();
+
+app.MapDefaultEndpoints();
+
+if (app.Environment.IsDevelopment())
+{
+ app.UseSwagger();
+ app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+app.UseAuthorization();
+
+app.UseCors("wasm");
+
+app.MapControllers();
+
+app.Run();
diff --git a/Generator/Properties/launchSettings.json b/Generator/Properties/launchSettings.json
new file mode 100644
index 00000000..7d04f4fe
--- /dev/null
+++ b/Generator/Properties/launchSettings.json
@@ -0,0 +1,39 @@
+{
+ "$schema": "http://json.schemastore.org/launchsettings.json",
+ "iisSettings": {
+ "windowsAuthentication": false,
+ "anonymousAuthentication": true,
+ "iisExpress": {
+ "applicationUrl": "http://localhost:6127",
+ "sslPort": 44325
+ }
+ },
+ "profiles": {
+ "http": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ },
+ "https": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ },
+ "IIS Express": {
+ "commandName": "IISExpress",
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ }
+ }
+}
diff --git a/Generator/Service.Api.csproj b/Generator/Service.Api.csproj
new file mode 100644
index 00000000..5f5fcb3b
--- /dev/null
+++ b/Generator/Service.Api.csproj
@@ -0,0 +1,23 @@
+
+
+
+ net8.0
+ enable
+ enable
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/Generator/Service.Api.csproj.user b/Generator/Service.Api.csproj.user
new file mode 100644
index 00000000..9ff5820a
--- /dev/null
+++ b/Generator/Service.Api.csproj.user
@@ -0,0 +1,6 @@
+
+
+
+ https
+
+
\ No newline at end of file
diff --git a/Generator/Services/CreditOrderGenerator.cs b/Generator/Services/CreditOrderGenerator.cs
new file mode 100644
index 00000000..82d08c57
--- /dev/null
+++ b/Generator/Services/CreditOrderGenerator.cs
@@ -0,0 +1,49 @@
+using Bogus;
+using Service.Api.Dto;
+
+namespace Service.Api.Services;
+
+///
+/// Генератор псевдослучайных кредитных заявок для демо/тестирования.
+/// Включает простые зависимости между статусом и полями решения.
+///
+public class CreditOrderGenerator
+{
+ private static readonly string[] _сreditTypes = { "Потребительский", "Ипотека", "Автокредит", "Микрозайм" };
+ private static readonly string[] _statuses = { "Новая", "В обработке", "Одобрена", "Отклонена" };
+
+ ///
+ /// Генерирует кредитную заявку для заданного с реалистичными полями.
+ ///
+ /// Идентификатор заявки.
+ /// Сгенерированная заявка.
+ public CreditOrderDto Generate(int id)
+ {
+ var faker = new Faker("ru")
+ .RuleFor(x => x.Id, _ => id)
+ .RuleFor(x => x.CreditType, f => f.PickRandom(_сreditTypes))
+ .RuleFor(x => x.RequestedSum, f => Math.Round(f.Finance.Amount(1_000_000m, 100_000_000m), 2))
+ .RuleFor(x => x.MonthsDuration, f => f.Random.Int(1, 360))
+ .RuleFor(x => x.InterestRate, f => Math.Round(f.Random.Double(15.6, 20.0), 2))
+ .RuleFor(x => x.FilingDate, f => DateOnly.FromDateTime(f.Date.Past(2)))
+ .RuleFor(x => x.IsInsuranceNeeded, f => f.Random.Bool())
+ .RuleFor(x => x.OrderStatus, f => f.PickRandom(_statuses))
+ .RuleFor(x => x.DecisionDate, _ => null)
+ .RuleFor(x => x.ApprovedSum, _ => null)
+ .RuleFor(x => x.DecisionDate, (f, o) =>
+ o.OrderStatus is "Одобрена" or "Отклонена"
+ ? o.FilingDate.AddDays(f.Random.Int(0, 31))
+ : null)
+ .RuleFor(x => x.ApprovedSum, (f, o) =>
+ {
+ if (o.OrderStatus is not "Одобрена")
+ return null;
+
+ var k = f.Random.Double(0.6, 1.0);
+ var approved = o.RequestedSum * (decimal)k;
+ return Math.Round(approved, 2);
+ });
+
+ return faker.Generate();
+ }
+}
diff --git a/Generator/Services/CreditOrderService.cs b/Generator/Services/CreditOrderService.cs
new file mode 100644
index 00000000..d0818b8e
--- /dev/null
+++ b/Generator/Services/CreditOrderService.cs
@@ -0,0 +1,111 @@
+using Amazon.SQS;
+using Microsoft.Extensions.Caching.Distributed;
+using Service.Api.Dto;
+using System.Text.Json;
+
+namespace Service.Api.Services;
+
+///
+/// Сервис получения кредитной заявки по идентификатору.
+/// Сначала пытается вернуть данные из распределённого кэша, при отсутствии данных в кэше — генерирует заявку и кэширует результат.
+///
+public class CreditOrderService(
+ IDistributedCache cache,
+ CreditOrderGenerator generator,
+ IConfiguration cfg,
+ SqsProducerService sqsProducer,
+ ILogger logger
+ )
+{
+
+ private static readonly JsonSerializerOptions _jsonOptions = new(JsonSerializerDefaults.Web);
+
+ ///
+ /// Возвращает заявку по :
+ /// 1) читает из кэша по ключу credit-order:{id};
+ /// 2) при отсутствии данных в кэше генерирует через ;
+ /// 3) сохраняет в кэш с TTL (AbsoluteExpirationRelativeToNow).
+ /// 4) отправляет сообщение в очередь.
+ ///
+ /// Идентификатор заявки (должен быть больше 0).
+ /// Токен отмены.
+ /// DTO заявки.
+ /// Если <= 0.
+ /// Если запрос был отменён.
+ public async Task GetByIdAsync(int id, CancellationToken ct)
+ {
+ var ttlSeconds = cfg.GetValue("CreditOrderCache:TtlSeconds", 300);
+ if (ttlSeconds <= 0) ttlSeconds = 300;
+
+ var cacheKey = BuildCacheKey(id);
+
+ try
+ {
+ var cachedJson = await cache.GetStringAsync(cacheKey, ct);
+ if (!string.IsNullOrWhiteSpace(cachedJson))
+ {
+ var cached = JsonSerializer.Deserialize(cachedJson, _jsonOptions);
+ if (cached is not null)
+ {
+ logger.LogInformation("Cache HIT: {CacheKey} {OrderId}", cacheKey, id);
+ return cached;
+ }
+
+ logger.LogWarning("Cache DESERIALIZE FAIL: {CacheKey} {OrderId}", cacheKey, id);
+ }
+ else
+ {
+ logger.LogInformation("Cache MISS: {CacheKey} {OrderId}", cacheKey, id);
+ }
+ }
+ catch (OperationCanceledException)
+ {
+ logger.LogInformation("Request canceled: {CacheKey} {OrderId}", cacheKey, id);
+ throw;
+ }
+ catch (Exception ex)
+ {
+ logger.LogWarning(ex, "Cache READ FAIL: {CacheKey} {OrderId}", cacheKey, id);
+ }
+
+ var order = generator.Generate(id);
+
+ try
+ {
+ var cacheTtl = new DistributedCacheEntryOptions
+ {
+ AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(ttlSeconds)
+ };
+ var json = JsonSerializer.Serialize(order, _jsonOptions);
+ await cache.SetStringAsync(cacheKey, json, cacheTtl, ct);
+ logger.LogInformation("Cache SET: {CacheKey} {OrderId}", cacheKey, id);
+ }
+ catch (OperationCanceledException)
+ {
+ logger.LogInformation("Request canceled: {CacheKey} {OrderId}", cacheKey, id);
+ throw;
+ }
+ catch (Exception ex)
+ {
+ logger.LogWarning(ex, "Cache WRITE FAIL: {CacheKey} {OrderId}", cacheKey, id);
+ }
+ try
+ {
+ logger.LogInformation("Message publishing: {OrderId}", order.Id);
+ await sqsProducer.SendMessage(order);
+ logger.LogInformation("Message published: {OrderId}", order.Id);
+ }
+ catch (AmazonSQSException ex)
+ {
+ logger.LogError(ex, "SQS error while sending message {OrderId}", order.Id);
+ throw;
+ }
+ return order;
+ }
+
+ ///
+ /// Формирует ключ кэша для заявки по идентификатору.
+ /// Формат: credit-order:{id}.
+ ///
+ private static string BuildCacheKey(int id) => $"credit-order:{id}";
+}
diff --git a/Generator/Services/SqsProducerService.cs b/Generator/Services/SqsProducerService.cs
new file mode 100644
index 00000000..efe98867
--- /dev/null
+++ b/Generator/Services/SqsProducerService.cs
@@ -0,0 +1,40 @@
+using Amazon.SQS;
+using Service.Api.Dto;
+using System.Net;
+using System.Text.Json;
+
+namespace Service.Api.Services;
+
+///
+/// Служба для отправки сообщений в SQS
+///
+/// Клиент SQS
+/// Конфигурация
+/// Логгер
+public class SqsProducerService(IAmazonSQS client, IConfiguration configuration, ILogger logger)
+{
+ private readonly string _queueName = configuration["AWS:Resources:SQSQueueName"]
+ ?? throw new KeyNotFoundException("SQS queue link was not found in configuration");
+
+ ///
+ public async Task SendMessage(CreditOrderDto creditOrder)
+ {
+ try
+ {
+ var json = JsonSerializer.Serialize(creditOrder);
+
+ var queueUrlResponse = await client.GetQueueUrlAsync(_queueName);
+ var queueUrl = queueUrlResponse.QueueUrl;
+
+ var responce = await client.SendMessageAsync(queueUrl, json);
+ if (responce.HttpStatusCode == HttpStatusCode.OK)
+ logger.LogInformation("Land plot {id} was sent to sink via SQS", creditOrder.Id);
+ else
+ throw new Exception($"SQS returned {responce.HttpStatusCode}");
+ }
+ catch (Exception ex)
+ {
+ logger.LogError(ex, "Unable to send cridit order through SQS queue");
+ }
+ }
+}
diff --git a/Generator/appsettings.Development.json b/Generator/appsettings.Development.json
new file mode 100644
index 00000000..0c208ae9
--- /dev/null
+++ b/Generator/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ }
+}
diff --git a/Generator/appsettings.json b/Generator/appsettings.json
new file mode 100644
index 00000000..5490bdb0
--- /dev/null
+++ b/Generator/appsettings.json
@@ -0,0 +1,13 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ },
+ "CreditOrderCache": {
+ "Enabled": true,
+ "TtlSeconds": 60
+ },
+ "AllowedHosts": "*"
+}
diff --git a/IntegrationTests/IntegrationTests.cs b/IntegrationTests/IntegrationTests.cs
new file mode 100644
index 00000000..d23f197f
--- /dev/null
+++ b/IntegrationTests/IntegrationTests.cs
@@ -0,0 +1,76 @@
+using Aspire.Hosting;
+using Microsoft.Extensions.Logging;
+using Service.Api.Dto;
+using System.Net.Http.Json;
+using System.Text.Json;
+using Xunit.Abstractions;
+
+namespace IntegrationTests;
+
+///
+/// Интеграционные тесты для проверки микросервисного пайплайна
+///
+/// Служба журналирования юнит-тестов
+public class IntegrationTests(ITestOutputHelper output) : IAsyncLifetime
+{
+ private DistributedApplication? _app;
+ private CancellationToken _cancellationToken;
+
+ ///
+ public async Task InitializeAsync()
+ {
+ _cancellationToken = CancellationToken.None;
+ var builder = await DistributedApplicationTestingBuilder.CreateAsync(_cancellationToken);
+ builder.Configuration["DcpPublisher:RandomizePorts"] = "false";
+ builder.Services.AddLogging(logging =>
+ {
+ logging.AddXUnit(output);
+ logging.SetMinimumLevel(LogLevel.Debug);
+ logging.AddFilter("Aspire.Hosting.Dcp", LogLevel.Debug);
+ logging.AddFilter("Aspire.Hosting", LogLevel.Debug);
+ });
+
+ builder.Environment.EnvironmentName = "Development";
+ _app = await builder.BuildAsync(_cancellationToken);
+ await _app.StartAsync(_cancellationToken);
+ }
+
+ ///
+ /// Проверяет, что вызов гейтвея:
+ ///
+ /// - В ответ отправляет сгенерированный ЗУ
+ /// - Сериализует ЗУ в S3 хранилище
+ /// - Проверяет, что данные из предыдущих пунктов идентичны
+ ///
+ ///
+ [Fact]
+ public async Task TestPipeline()
+ {
+ var random = new Random();
+ var id = random.Next(1, 100);
+ using var gatewayClient = _app.CreateHttpClient("gateway", "http");
+ using var gatewayResponse = await gatewayClient!.GetAsync($"/api/orders?id={id}");
+ var api = await gatewayResponse.Content.ReadFromJsonAsync(cancellationToken: _cancellationToken);
+
+ await Task.Delay(5000);
+ using var sinkClient = _app.CreateHttpClient("service-storage", "http");
+ using var listResponse = await sinkClient!.GetAsync($"/api/s3");
+ var ppList = await listResponse.Content.ReadFromJsonAsync>(cancellationToken: _cancellationToken);
+ using var s3Response = await sinkClient!.GetAsync($"/api/s3/credit-order_{id}.json");
+ var s3 = await s3Response.Content.ReadFromJsonAsync(cancellationToken: _cancellationToken);
+
+ Assert.NotNull(ppList);
+ Assert.Single(ppList);
+ Assert.NotNull(api);
+ Assert.NotNull(s3);
+ Assert.Equal(id, s3.Id);
+ Assert.Equivalent(api, s3);
+ }
+
+ ///
+ public async Task DisposeAsync()
+ {
+ await _app!.StopAsync();
+ await _app.DisposeAsync();
+ }
+}
diff --git a/IntegrationTests/IntegrationTests.csproj b/IntegrationTests/IntegrationTests.csproj
new file mode 100644
index 00000000..c1770f85
--- /dev/null
+++ b/IntegrationTests/IntegrationTests.csproj
@@ -0,0 +1,33 @@
+
+
+
+ net8.0
+ enable
+ enable
+ false
+ true
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/Service.Storage/Controllers/S3StorageController.cs b/Service.Storage/Controllers/S3StorageController.cs
new file mode 100644
index 00000000..29fda622
--- /dev/null
+++ b/Service.Storage/Controllers/S3StorageController.cs
@@ -0,0 +1,67 @@
+using Microsoft.AspNetCore.Mvc;
+using Service.Storage.Storage;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json.Nodes;
+using System.Threading.Tasks;
+
+namespace Service.Storage.Controllers;
+
+///
+/// Контроллер для взаимодейсвия с S3
+///
+/// Служба для работы с S3
+/// Логгер
+[ApiController]
+[Route("api/s3")]
+public class S3StorageController(S3MinioService s3Service, ILogger logger) : ControllerBase
+{
+ ///
+ /// Метод для получения списка хранящихся в S3 файлов
+ ///
+ /// Список с ключами файлов
+ [HttpGet]
+ [ProducesResponseType(200)]
+ [ProducesResponseType(500)]
+ public async Task>> ListFiles()
+ {
+ logger.LogInformation("Method {method} of {controller} was called", nameof(ListFiles), nameof(S3StorageController));
+ try
+ {
+ var list = await s3Service.GetFileList();
+ logger.LogInformation("Got a list of {count} files from bucket", list.Count);
+ return Ok(list);
+ }
+ catch (Exception ex)
+ {
+ logger.LogError(ex, "Exception occured during {method} of {controller}", nameof(ListFiles), nameof(S3StorageController));
+ return BadRequest(ex);
+ }
+ }
+
+ ///
+ /// Получает строковое представление хранящегося в S3 документа
+ ///
+ /// Ключ файла
+ /// Строковое представление файла
+ [HttpGet("{key}")]
+ [ProducesResponseType(200)]
+ [ProducesResponseType(500)]
+ public async Task> GetFile(string key)
+ {
+ logger.LogInformation("Method {method} of {controller} was called", nameof(GetFile), nameof(S3StorageController));
+ try
+ {
+ var node = await s3Service.DownloadFile(key);
+ logger.LogInformation("Received json of {size} bytes", Encoding.UTF8.GetByteCount(node.ToJsonString()));
+ return Ok(node);
+ }
+ catch (Exception ex)
+ {
+ logger.LogError(ex, "Exception occured during {method} of {controller}", nameof(GetFile), nameof(S3StorageController));
+ return BadRequest(ex);
+ }
+ }
+}
diff --git a/Service.Storage/Messaging/SqsConsumerService.cs b/Service.Storage/Messaging/SqsConsumerService.cs
new file mode 100644
index 00000000..c14ab5d3
--- /dev/null
+++ b/Service.Storage/Messaging/SqsConsumerService.cs
@@ -0,0 +1,78 @@
+using Amazon.SQS;
+using Amazon.SQS.Model;
+using Service.Storage.Storage;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Service.Storage.Messaging;
+
+///
+/// Клиентская служба для приема сообщений из очереди SQS
+///
+/// Клиент SQS
+/// Фабрика контекста
+/// Конфигурация
+/// Логгер
+internal class SqsConsumerService(IAmazonSQS sqsClient,
+ IServiceScopeFactory scopeFactory,
+ IConfiguration configuration,
+ ILogger logger) : BackgroundService
+{
+ private readonly string _queueName = configuration["AWS:Resources:SQSQueueName"]
+ ?? throw new KeyNotFoundException("SQS queue name was not found in configuration");
+
+ ///
+ protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+ {
+ logger.LogInformation("SQS consumer service started.");
+
+ var queueUrlResponse = await sqsClient.GetQueueUrlAsync(_queueName, stoppingToken);
+ var queueUrl = queueUrlResponse.QueueUrl;
+
+ while (!stoppingToken.IsCancellationRequested)
+ {
+ var response = await sqsClient.ReceiveMessageAsync(
+ new ReceiveMessageRequest
+ {
+ QueueUrl = queueUrl,
+ MaxNumberOfMessages = 10,
+ WaitTimeSeconds = 5
+ }, stoppingToken);
+
+ if (response == null)
+ {
+ logger.LogWarning("Received null from {queue}", _queueName);
+ continue;
+ }
+
+ logger.LogInformation("Received {count} messages", response!.Messages?.Count ?? 0);
+
+ if (response.Messages != null)
+ {
+
+ foreach (var message in response.Messages)
+ {
+ try
+ {
+ logger.LogInformation("Processing message: {messageId}", message.MessageId);
+
+ using var scope = scopeFactory.CreateScope();
+ var s3Service = scope.ServiceProvider.GetRequiredService();
+ await s3Service.UploadFile(message.Body);
+
+ _ = await sqsClient.DeleteMessageAsync(queueUrl, message.ReceiptHandle, stoppingToken);
+ }
+ catch (Exception ex)
+ {
+ logger.LogError(ex, "Error processing message: {messageId}", message.MessageId);
+ continue;
+ }
+ }
+ logger.LogInformation("Batch of {count} messages processed", response.Messages.Count);
+ }
+ }
+ }
+}
diff --git a/Service.Storage/Program.cs b/Service.Storage/Program.cs
new file mode 100644
index 00000000..0c340604
--- /dev/null
+++ b/Service.Storage/Program.cs
@@ -0,0 +1,27 @@
+using Service.Storage;
+using CloudDevelopment.ServiceDefaults;
+using System.Reflection;
+
+var builder = WebApplication.CreateBuilder(args);
+builder.AddServiceDefaults();
+
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(options =>
+{
+ var assembly = Assembly.GetExecutingAssembly();
+ options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, $"{assembly.GetName().Name}.xml"));
+});
+
+builder.AddConsumer();
+builder.AddS3();
+
+var app = builder.Build();
+await app.UseS3();
+if (app.Environment.IsDevelopment())
+{
+ app.UseSwagger();
+ app.UseSwaggerUI();
+}
+app.MapControllers();
+app.Run();
\ No newline at end of file
diff --git a/Service.Storage/Properties/launchSettings.json b/Service.Storage/Properties/launchSettings.json
new file mode 100644
index 00000000..10617fcb
--- /dev/null
+++ b/Service.Storage/Properties/launchSettings.json
@@ -0,0 +1,25 @@
+{
+ "$schema": "https://json.schemastore.org/launchsettings.json",
+ "profiles": {
+ "http": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "applicationUrl": "http://localhost:5280",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ },
+ "https": {
+ "commandName": "Project",
+ "dotnetRunMessages": true,
+ "launchBrowser": true,
+ "launchUrl": "swagger",
+ "applicationUrl": "https://localhost:7099;http://localhost:5280",
+ "environmentVariables": {
+ "ASPNETCORE_ENVIRONMENT": "Development"
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/Service.Storage/Service.Storage.csproj b/Service.Storage/Service.Storage.csproj
new file mode 100644
index 00000000..c708c7a9
--- /dev/null
+++ b/Service.Storage/Service.Storage.csproj
@@ -0,0 +1,24 @@
+
+
+
+ net8.0
+ enable
+ enable
+ dotnet-Service.Storage-25720c3a-f495-4948-ba5d-74e7ae702072
+ Linux
+ true
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/Service.Storage/Storage/S3MinioService.cs b/Service.Storage/Storage/S3MinioService.cs
new file mode 100644
index 00000000..b64ee966
--- /dev/null
+++ b/Service.Storage/Storage/S3MinioService.cs
@@ -0,0 +1,129 @@
+using System.Net;
+using System.Text;
+using System.Text.Json.Nodes;
+using Minio;
+using Minio.DataModel.Args;
+
+namespace Service.Storage.Storage;
+
+///
+/// Cлужба для манипуляции файлами в объектном хранилище
+///
+/// S3 клиент
+/// Конфигурация
+/// Логер
+public class S3MinioService(IMinioClient client, IConfiguration configuration, ILogger logger)
+{
+ private readonly string _bucketName = configuration["AWS:Resources:MinioBucketName"]
+ ?? throw new KeyNotFoundException("S3 bucket name was not found in configuration");
+
+ ///
+ public async Task> GetFileList()
+ {
+ var list = new List();
+ var request = new ListObjectsArgs()
+ .WithBucket(_bucketName)
+ .WithPrefix("")
+ .WithRecursive(true);
+ logger.LogInformation("Began listing files in {bucket}", _bucketName);
+ var responseList = client.ListObjectsEnumAsync(request);
+
+ if (responseList == null)
+ logger.LogWarning("Received null response from {bucket}", _bucketName);
+
+ await foreach (var response in responseList!)
+ list.Add(response.Key);
+ return list;
+ }
+
+ ///
+ public async Task UploadFile(string fileData)
+ {
+ var rootNode = JsonNode.Parse(fileData) ?? throw new ArgumentException("Passed string is not a valid JSON");
+ var id = rootNode["Id"]?.GetValue() ?? throw new ArgumentException("Passed JSON has invalid structure");
+
+ var bytes = Encoding.UTF8.GetBytes(fileData);
+ using var stream = new MemoryStream(bytes);
+ stream.Seek(0, SeekOrigin.Begin);
+
+ logger.LogInformation("Began uploading credit order {file} onto {bucket}", id, _bucketName);
+ var request = new PutObjectArgs()
+ .WithBucket(_bucketName)
+ .WithStreamData(stream)
+ .WithObjectSize(bytes.Length)
+ .WithObject($"credit-order_{id}.json");
+
+ var response = await client.PutObjectAsync(request);
+
+ if (response.ResponseStatusCode != HttpStatusCode.OK)
+ {
+ logger.LogError("Failed to upload credit order {file}: {code}", id, response.ResponseStatusCode);
+ return false;
+ }
+ logger.LogInformation("Finished uploading credit order {file} to {bucket}", id, _bucketName);
+ return true;
+ }
+
+ ///
+ public async Task DownloadFile(string key)
+ {
+ logger.LogInformation("Began downloading {file} from {bucket}", key, _bucketName);
+
+ try
+ {
+ var memoryStream = new MemoryStream();
+
+ var request = new GetObjectArgs()
+ .WithBucket(_bucketName)
+ .WithObject(key)
+ .WithCallbackStream(async (stream, cancellationToken) =>
+ {
+ await stream.CopyToAsync(memoryStream, cancellationToken);
+ memoryStream.Seek(0, SeekOrigin.Begin);
+ });
+
+ var response = await client.GetObjectAsync(request);
+
+ if (response == null)
+ {
+ logger.LogError("Failed to download {file}", key);
+ throw new InvalidOperationException($"Error occurred downloading {key} - object is null");
+ }
+ using var reader = new StreamReader(memoryStream, Encoding.UTF8);
+ return JsonNode.Parse(reader.ReadToEnd()) ?? throw new InvalidOperationException($"Downloaded document is not a valid JSON");
+ }
+ catch (Exception ex)
+ {
+ logger.LogError(ex, "Exception occurred during {file} downloading ", key);
+ throw;
+ }
+ }
+
+ ///
+ public async Task EnsureBucketExists()
+ {
+ logger.LogInformation("Checking whether {bucket} exists", _bucketName);
+ try
+ {
+ var request = new BucketExistsArgs()
+ .WithBucket(_bucketName);
+
+ var exists = await client.BucketExistsAsync(request);
+ if (!exists)
+ {
+
+ logger.LogInformation("Creating {bucket}", _bucketName);
+ var createRequest = new MakeBucketArgs()
+ .WithBucket(_bucketName);
+ await client.MakeBucketAsync(createRequest);
+ return;
+ }
+ logger.LogInformation("{bucket} exists", _bucketName);
+ }
+ catch (Exception ex)
+ {
+ logger.LogError(ex, "Unhandled exception occurred during {bucket} check", _bucketName);
+ throw;
+ }
+ }
+}
diff --git a/Service.Storage/WebApplicationBuilderExtensions.cs b/Service.Storage/WebApplicationBuilderExtensions.cs
new file mode 100644
index 00000000..3cd504f7
--- /dev/null
+++ b/Service.Storage/WebApplicationBuilderExtensions.cs
@@ -0,0 +1,39 @@
+using Amazon.SQS;
+using Service.Storage.Messaging;
+using Service.Storage.Storage;
+using LocalStack.Client.Extensions;
+
+namespace Service.Storage;
+
+///
+/// Экстеншен для добавления различных служб в DI в зависимости от конфигурации приложения
+///
+internal static class WebApplicationBuilderExtensions
+{
+ ///
+ /// Регистрирует клиентские службы для работы с брокером сообщений
+ ///
+ /// Билдер
+ /// Билдер
+ /// Если настройки не найдены
+ public static WebApplicationBuilder AddConsumer(this WebApplicationBuilder builder)
+ {
+ builder.Services.AddLocalStack(builder.Configuration);
+ builder.Services.AddHostedService();
+ builder.Services.AddAwsService();
+ return builder;
+ }
+
+ ///
+ /// Регистрирует клиентские службы для работы с объектным хранилищем
+ ///
+ /// Билдер
+ /// Билдер
+ /// Если настройки не найдены
+ public static WebApplicationBuilder AddS3(this WebApplicationBuilder builder)
+ {
+ builder.AddMinioClient("credit-order-minio");
+ builder.Services.AddScoped();
+ return builder;
+ }
+}
diff --git a/Service.Storage/WebApplicationExtensions.cs b/Service.Storage/WebApplicationExtensions.cs
new file mode 100644
index 00000000..3a4731ee
--- /dev/null
+++ b/Service.Storage/WebApplicationExtensions.cs
@@ -0,0 +1,24 @@
+using Microsoft.AspNetCore.Builder;
+using Service.Storage.Storage;
+using Service.Storage.Messaging;
+
+namespace Service.Storage;
+
+///
+/// Экстеншен для добавления брокера в зависимости от конфигурации приложения
+///
+internal static class WebApplicationExtensions
+{
+ ///
+ /// Конфигурирует клиенские службы для взаимодействия с S3
+ ///
+ /// Билдер
+ /// Билдер
+ public static async Task UseS3(this WebApplication app)
+ {
+ using var scope = app.Services.CreateScope();
+ var s3Service = scope.ServiceProvider.GetRequiredService();
+ await s3Service.EnsureBucketExists();
+ return app;
+ }
+}
diff --git a/Service.Storage/appsettings.Development.json b/Service.Storage/appsettings.Development.json
new file mode 100644
index 00000000..b2dcdb67
--- /dev/null
+++ b/Service.Storage/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.Hosting.Lifetime": "Information"
+ }
+ }
+}
diff --git a/Service.Storage/appsettings.json b/Service.Storage/appsettings.json
new file mode 100644
index 00000000..3af72038
--- /dev/null
+++ b/Service.Storage/appsettings.json
@@ -0,0 +1,13 @@
+{
+ "Logging": {
+ "LogLevel": {
+ "Default": "Information",
+ "Microsoft.AspNetCore": "Warning"
+ }
+ },
+ "AllowedHosts": "*",
+ "Settings": {
+ "MessageBroker": "",
+ "S3Hosting": ""
+ }
+}
\ No newline at end of file