Вольгов Даниил Лаб. 2 Группа 6513

.gitignore

@@ -416,3 +416,6 @@ FodyWeavers.xsd
 *.msix
 *.msm
 *.msp
+
+# User-specific
+.DS_Store

Api.Gateway/Api.Gateway.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Ocelot" Version="24.1.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CourseApp\CourseApp.ServiceDefaults\CourseApp.ServiceDefaults.csproj" />
+  </ItemGroup>
+
+</Project>

Api.Gateway/LoadBalancing/WeightedRandomLoadBalancer.cs

@@ -0,0 +1,38 @@
+using Ocelot.LoadBalancer.Interfaces;
+using Ocelot.Responses;
+using Ocelot.Values;
+
+namespace Api.Gateway.LoadBalancing;
+
+/// <summary>
+/// Балансировка случайным образом с весами
+/// </summary>
+/// <param name="services">Функция получения списка сервисов</param>
+/// <param name="configuration">Конфигурация приложения</param>
+public class WeightedRandomLoadBalancer(
+    Func<Task<List<Service>>> services,
+    IConfiguration configuration) : ILoadBalancer
+{
+    private readonly int[] _frequencies = configuration.GetSection("LoadBalancing:Weights").Get<int[]>() ?? [5, 4, 3, 2, 1];
+
+    public string Type => nameof(WeightedRandomLoadBalancer);
+
+    public async Task<Response<ServiceHostAndPort>> LeaseAsync(HttpContext httpContext)
+    {
+        var availableServices = await services();
+
+        if (availableServices.Count == 0)
+            throw new InvalidOperationException("No available downstream services");
+
+        var values = Enumerable.Range(1, availableServices.Count)
+            .Zip(_frequencies, (val, freq) => Enumerable.Repeat(val, freq))
+            .SelectMany(x => x)
+            .ToArray();
+
+        Random.Shared.Shuffle(values);
+
+        return new OkResponse<ServiceHostAndPort>(availableServices[values.First() - 1].HostAndPort);
+    }
+
+    public void Release(ServiceHostAndPort hostAndPort) { }
+}

Api.Gateway/Program.cs

@@ -0,0 +1,34 @@
+using Ocelot.DependencyInjection;
+using Ocelot.Middleware;
+using Api.Gateway.LoadBalancing;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.AddServiceDefaults();
+
+builder.Configuration.AddJsonFile("ocelot.json", optional: false, reloadOnChange: true);
+builder.Services.AddOcelot()
+    .AddCustomLoadBalancer((sp, _, provider) =>
+        new WeightedRandomLoadBalancer(provider.GetAsync, sp.GetRequiredService<IConfiguration>()));
+
+var allowedOrigins = builder.Configuration.GetSection("Cors:AllowedOrigins").Get<string[]>() ?? [];
+
+builder.Services.AddCors(options =>
+{
+    options.AddDefaultPolicy(policy =>
+    {
+        policy.WithOrigins(allowedOrigins)
+              .AllowAnyHeader()
+              .WithMethods("GET");
+    });
+});
+
+var app = builder.Build();
+
+app.UseCors();
+
+app.MapDefaultEndpoints();
+
+await app.UseOcelot();
+
+app.Run();

Api.Gateway/Properties/launchSettings.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:51762",
+      "sslPort": 44308
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5297",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7297;http://localhost:5297",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

Api.Gateway/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

Api.Gateway/appsettings.json

@@ -0,0 +1,18 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "Cors": {
+    "AllowedOrigins": [
+      "http://localhost:5127",
+      "https://localhost:7282"
+    ]
+  },
+  "LoadBalancing": {
+    "Weights": [ 5, 4, 3, 2, 1 ]
+  }
+}

Api.Gateway/ocelot.json

@@ -0,0 +1,35 @@
+{
+  "Routes": [
+    {
+      "DownstreamPathTemplate": "/api/courses",
+      "DownstreamScheme": "https",
+      "DownstreamHostAndPorts": [
+        {
+          "Host": "localhost",
+          "Port": 5213
+        },
+        {
+          "Host": "localhost",
+          "Port": 5214
+        },
+        {
+          "Host": "localhost",
+          "Port": 5215
+        },
+        {
+          "Host": "localhost",
+          "Port": 5216
+        },
+        {
+          "Host": "localhost",
+          "Port": 5217
+        }
+      ],
+      "UpstreamPathTemplate": "/courses",
+      "UpstreamHttpMethod": [ "GET" ],
+      "LoadBalancerOptions": {
+        "Type": "WeightedRandomLoadBalancer"
+      }
+    }
+  ]
+}

Client.Wasm/Components/StudentCard.razor

@@ -4,10 +4,10 @@
     </CardHeader>
     <CardBody>
         <UnorderedList Unstyled>
-            <UnorderedListItem>Номер <Strong>№X "Название лабораторной"</Strong></UnorderedListItem>
-            <UnorderedListItem>Вариант <Strong>№Х "Название варианта"</Strong></UnorderedListItem>
-            <UnorderedListItem>Выполнена <Strong>Фамилией Именем 65ХХ</Strong> </UnorderedListItem>
-            <UnorderedListItem><Link To="https://puginarug.com/">Ссылка на форк</Link></UnorderedListItem>
+            <UnorderedListItem>Номер <Strong>№2 "Кэширование"</Strong></UnorderedListItem>
+            <UnorderedListItem>Вариант <Strong>№37 "Учебный курс"</Strong></UnorderedListItem>
+            <UnorderedListItem>Выполнена <Strong>Вольговым Даниилом 6513</Strong> </UnorderedListItem>
+            <UnorderedListItem><Link To="https://github.com/the80hz/cloud-development">Ссылка на форк</Link></UnorderedListItem>
         </UnorderedList>
     </CardBody>
 </Card>

Client.Wasm/Properties/launchSettings.json

@@ -12,7 +12,7 @@
     "http": {
       "commandName": "Project",
       "dotnetRunMessages": true,
-      "launchBrowser": true,
+      "launchBrowser": false,
       "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}",
       "applicationUrl": "http://localhost:5127",
       "environmentVariables": {
@@ -22,7 +22,7 @@
     "https": {
       "commandName": "Project",
       "dotnetRunMessages": true,
-      "launchBrowser": true,
+      "launchBrowser": false,
       "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}",
       "applicationUrl": "https://localhost:7282;http://localhost:5127",
       "environmentVariables": {
@@ -31,7 +31,7 @@
     },
     "IIS Express": {
       "commandName": "IISExpress",
-      "launchBrowser": true,
+      "launchBrowser": false,
       "inspectUri": "{wsProtocol}://{url.hostname}:{url.port}/_framework/debug/ws-proxy?browser={browserInspectUri}",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"

Client.Wasm/wwwroot/appsettings.json

@@ -6,5 +6,5 @@
     }
   },
   "AllowedHosts": "*",
-  "BaseAddress": ""
+  "BaseAddress": "https://localhost:7297/courses"
 }

CloudDevelopment.sln

@@ -1,25 +1,49 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-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
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{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
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {90FE6B04-8381-437E-893A-FEBA1DA10AEE}
-	EndGlobalSection
-EndGlobal
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+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}") = "CourseApp.AppHost", "CourseApp\CourseApp.AppHost\CourseApp.AppHost.csproj", "{B51DE59B-BAF5-434D-B2AB-05002DF1BA24}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseApp.ServiceDefaults", "CourseApp\CourseApp.ServiceDefaults\CourseApp.ServiceDefaults.csproj", "{064D02F8-AA28-8AA3-C1DB-6440761E6CB3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CourseApp.Api", "CourseApp.Api\CourseApp.Api.csproj", "{2077B3EC-232D-D44F-72B9-3B84AA8AE54F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Api.Gateway", "Api.Gateway\Api.Gateway.csproj", "{C99E72F4-9BA7-7D56-C88E-FB28534EFCB6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AE7EEA74-2FE0-136F-D797-854FD87E022A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{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
+		{B51DE59B-BAF5-434D-B2AB-05002DF1BA24}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B51DE59B-BAF5-434D-B2AB-05002DF1BA24}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B51DE59B-BAF5-434D-B2AB-05002DF1BA24}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B51DE59B-BAF5-434D-B2AB-05002DF1BA24}.Release|Any CPU.Build.0 = Release|Any CPU
+		{064D02F8-AA28-8AA3-C1DB-6440761E6CB3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{064D02F8-AA28-8AA3-C1DB-6440761E6CB3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{064D02F8-AA28-8AA3-C1DB-6440761E6CB3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{064D02F8-AA28-8AA3-C1DB-6440761E6CB3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2077B3EC-232D-D44F-72B9-3B84AA8AE54F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2077B3EC-232D-D44F-72B9-3B84AA8AE54F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2077B3EC-232D-D44F-72B9-3B84AA8AE54F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2077B3EC-232D-D44F-72B9-3B84AA8AE54F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C99E72F4-9BA7-7D56-C88E-FB28534EFCB6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C99E72F4-9BA7-7D56-C88E-FB28534EFCB6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C99E72F4-9BA7-7D56-C88E-FB28534EFCB6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C99E72F4-9BA7-7D56-C88E-FB28534EFCB6}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {90FE6B04-8381-437E-893A-FEBA1DA10AEE}
+	EndGlobalSection
+EndGlobal

CourseApp.Api/CourseApp.Api.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+	<PackageReference Include="Aspire.StackExchange.Redis.DistributedCaching" Version="9.5.2" />
+	<PackageReference Include="Bogus" Version="35.6.5" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CourseApp\CourseApp.ServiceDefaults\CourseApp.ServiceDefaults.csproj" />
+  </ItemGroup>
+
+</Project>