added cosmosdb sample

samples/AspireWithCosmosDb/AspireWithCosmos.ApiService/AspireWithCosmos.ApiService.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+	<PropertyGroup>
+		<TargetFramework>net8.0</TargetFramework>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Aspire.Microsoft.Azure.Cosmos" Version="8.0.1" />
+		<PackageReference Include="NSwag.AspNetCore" Version="14.0.7" />
+		<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.5" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\AspireWithCosmos.ServiceDefaults\AspireWithCosmos.ServiceDefaults.csproj" />
+	</ItemGroup>
+
+</Project>

samples/AspireWithCosmosDb/AspireWithCosmos.ApiService/Program.cs

@@ -0,0 +1,78 @@
+using Microsoft.Azure.Cosmos;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.AddServiceDefaults();
+builder.Services.AddProblemDetails();
+builder.Services.AddHostedService<DatabaseBootstrapper>();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddOpenApiDocument();
+builder.AddAzureCosmosClient("cosmos");
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment())
+{
+    app.UseOpenApi();
+    app.UseSwaggerUi();
+}
+
+app.UseExceptionHandler();
+
+// create new todos
+app.MapPost("/todos", async (Todo todo, CosmosClient cosmosClient) =>
+    (await cosmosClient.GetAppDataContainer().CreateItemAsync<Todo>(todo)).Resource
+);
+
+// get all the todos
+app.MapGet("/todos", (CosmosClient cosmosClient) =>
+    cosmosClient.GetAppDataContainer().GetItemLinqQueryable<Todo>(allowSynchronousQueryExecution: true).ToList()
+);
+
+app.MapPut("/todos/{id}", async (string id, Todo todo, CosmosClient cosmosClient) =>
+    (await cosmosClient.GetAppDataContainer().ReplaceItemAsync<Todo>(todo, id)).Resource
+);
+
+app.MapDelete("/todos/{userId}/{id}", async (string userId, string id, CosmosClient cosmosClient) =>
+{
+    await cosmosClient.GetAppDataContainer().DeleteItemAsync<Todo>(id, new PartitionKey(userId));
+    return Results.Ok();
+});
+
+app.MapDefaultEndpoints();
+
+app.Run();
+
+// The Todo service model used for transmitting data
+public record Todo(string Description, string id, string UserId, bool IsComplete = false)
+{
+    // partiion the todos by user id
+    internal static string UserIdPartitionKey = "/UserId";
+}
+
+// Background service used to scaffold the Cosmos DB/Container
+public class DatabaseBootstrapper(CosmosClient cosmosClient) : IHostedService
+{
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        await cosmosClient.CreateDatabaseIfNotExistsAsync("tododb");
+        var database = cosmosClient.GetDatabase("tododb");
+        await database.CreateContainerIfNotExistsAsync(new ContainerProperties("todos", Todo.UserIdPartitionKey));
+    }
+
+    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
+}
+
+// Convenience class for reusing boilerplate code
+public static class CosmosClientTodoAppExtensions
+{
+    public static Container GetAppDataContainer(this CosmosClient cosmosClient)
+    {
+        var database = cosmosClient.GetDatabase("tododb");
+        var todos = database.GetContainer("todos");
+
+        if(todos == null) throw new ApplicationException("Cosmos DB collection missing.");
+
+        return todos;
+    }
+}

samples/AspireWithCosmosDb/AspireWithCosmos.ApiService/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:5535",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7422;http://localhost:5535",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

samples/AspireWithCosmosDb/AspireWithCosmos.ApiService/appsettings.Development.json

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

samples/AspireWithCosmosDb/AspireWithCosmos.ApiService/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

samples/AspireWithCosmosDb/AspireWithCosmos.AppHost/AspireWithCosmos.AppHost.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsAspireHost>true</IsAspireHost>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AspireWithCosmos.ApiService\AspireWithCosmos.ApiService.csproj" />
+    <ProjectReference Include="..\AspireWithCosmos.Web\AspireWithCosmos.Web.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Aspire.Hosting.AppHost" Version="8.0.0" />
+    <PackageReference Include="Aspire.Hosting.Azure.CosmosDB" Version="8.0.1" />
+  </ItemGroup>
+
+</Project>

samples/AspireWithCosmosDb/AspireWithCosmos.AppHost/Program.cs

@@ -0,0 +1,12 @@
+var builder = DistributedApplication.CreateBuilder(args);
+
+var cosmos = builder.AddAzureCosmosDB("cosmos");
+
+var apiService = builder.AddProject<Projects.AspireWithCosmos_ApiService>("apiservice")
+                        .WithReference(cosmos);
+
+builder.AddProject<Projects.AspireWithCosmos_Web>("webfrontend")
+    .WithExternalHttpEndpoints()
+    .WithReference(apiService);
+
+builder.Build().Run();

samples/AspireWithCosmosDb/AspireWithCosmos.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:17097;http://localhost:15184",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "DOTNET_ENVIRONMENT": "Development",
+        "DOTNET_DASHBOARD_OTLP_ENDPOINT_URL": "https://localhost:21143",
+        "DOTNET_RESOURCE_SERVICE_ENDPOINT_URL": "https://localhost:22152"
+      }
+    },
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:15184",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "DOTNET_ENVIRONMENT": "Development",
+        "DOTNET_DASHBOARD_OTLP_ENDPOINT_URL": "http://localhost:19196",
+        "DOTNET_RESOURCE_SERVICE_ENDPOINT_URL": "http://localhost:20015"
+      }
+    }
+  }
+}

samples/AspireWithCosmosDb/AspireWithCosmos.AppHost/appsettings.Development.json

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

samples/AspireWithCosmosDb/AspireWithCosmos.AppHost/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning",
+      "Aspire.Hosting.Dcp": "Warning"
+    }
+  }
+}

samples/AspireWithCosmosDb/AspireWithCosmos.ServiceDefaults/AspireWithCosmos.ServiceDefaults.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsAspireSharedProject>true</IsAspireSharedProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+
+    <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="8.3.0" />
+    <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="8.0.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.8.1" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.8.1" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.8.1" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.8.1" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.8.0" />
+  </ItemGroup>
+
+</Project>

samples/AspireWithCosmosDb/AspireWithCosmos.ServiceDefaults/Extensions.cs

@@ -0,0 +1,111 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Diagnostics.HealthChecks;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+using Microsoft.Extensions.Logging;
+using OpenTelemetry;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Trace;
+
+namespace Microsoft.Extensions.Hosting;
+
+// Adds common .NET 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
+{
+    public static IHostApplicationBuilder AddServiceDefaults(this IHostApplicationBuilder builder)
+    {
+        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();
+        });
+
+        return builder;
+    }
+
+    public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicationBuilder builder)
+    {
+        builder.Logging.AddOpenTelemetry(logging =>
+        {
+            logging.IncludeFormattedMessage = true;
+            logging.IncludeScopes = true;
+        });
+
+        builder.Services.AddOpenTelemetry()
+            .WithMetrics(metrics =>
+            {
+                metrics.AddAspNetCoreInstrumentation()
+                    .AddHttpClientInstrumentation()
+                    .AddRuntimeInstrumentation();
+            })
+            .WithTracing(tracing =>
+            {
+                tracing.AddAspNetCoreInstrumentation()
+                    // Uncomment the following line to enable gRPC instrumentation (requires the OpenTelemetry.Instrumentation.GrpcNetClient package)
+                    //.AddGrpcClientInstrumentation()
+                    .AddHttpClientInstrumentation();
+            });
+
+        builder.AddOpenTelemetryExporters();
+
+        return builder;
+    }
+
+    private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostApplicationBuilder builder)
+    {
+        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 IHostApplicationBuilder AddDefaultHealthChecks(this IHostApplicationBuilder builder)
+    {
+        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("/health");
+
+            // Only health checks tagged with the "live" tag must pass for app to be considered alive
+            app.MapHealthChecks("/alive", new HealthCheckOptions
+            {
+                Predicate = r => r.Tags.Contains("live")
+            });
+        }
+
+        return app;
+    }
+}

samples/AspireWithCosmosDb/AspireWithCosmos.Tests/AspireWithCosmos.Tests.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Aspire.Hosting.Testing" Version="8.0.0" />
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="xunit" Version="2.5.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AspireWithCosmos.AppHost\AspireWithCosmos.AppHost.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="Aspire.Hosting.Testing" />
+    <Using Include="Xunit" />
+  </ItemGroup>
+
+</Project>