Adds Aspire Oracle EntityFrameworkCore Database component.

Aspire.sln

@@ -167,7 +167,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConfigurationSchemaGenerato
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aspire.MongoDB.Driver", "src\Components\Aspire.MongoDB.Driver\Aspire.MongoDB.Driver.csproj", "{20A5A907-A135-4735-B4BF-E13514F360E3}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aspire.MongoDB.Driver.Tests", "tests\Aspire.MongoDB.Driver.Tests\Aspire.MongoDB.Driver.Tests.csproj", "{E592E447-BA3C-44FA-86C1-EBEDC864A644}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aspire.MongoDB.Driver.Tests", "tests\Aspire.MongoDB.Driver.Tests\Aspire.MongoDB.Driver.Tests.csproj", "{E592E447-BA3C-44FA-86C1-EBEDC864A644}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TestProject.LaunchSettings", "tests\testproject\TestProject.LaunchSettings\TestProject.LaunchSettings.csproj", "{A734177E-213B-4D68-98A4-6F5C00234053}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Aspire.Oracle.EntityFrameworkCore", "src\Components\Aspire.Oracle.EntityFrameworkCore\Aspire.Oracle.EntityFrameworkCore.csproj", "{A778F29A-6C40-4C53-A793-F23F20679ADE}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Aspire.Oracle.EntityFrameworkCore.Tests", "tests\Aspire.Oracle.EntityFrameworkCore.Tests\Aspire.Oracle.EntityFrameworkCore.Tests.csproj", "{A331C123-35A5-4E81-9999-354159821374}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -447,6 +453,18 @@ Global
 		{E592E447-BA3C-44FA-86C1-EBEDC864A644}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E592E447-BA3C-44FA-86C1-EBEDC864A644}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E592E447-BA3C-44FA-86C1-EBEDC864A644}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A734177E-213B-4D68-98A4-6F5C00234053}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A734177E-213B-4D68-98A4-6F5C00234053}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A734177E-213B-4D68-98A4-6F5C00234053}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A734177E-213B-4D68-98A4-6F5C00234053}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A778F29A-6C40-4C53-A793-F23F20679ADE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A778F29A-6C40-4C53-A793-F23F20679ADE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A778F29A-6C40-4C53-A793-F23F20679ADE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A778F29A-6C40-4C53-A793-F23F20679ADE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A331C123-35A5-4E81-9999-354159821374}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A331C123-35A5-4E81-9999-354159821374}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A331C123-35A5-4E81-9999-354159821374}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A331C123-35A5-4E81-9999-354159821374}.Release|Any CPU.Build.0 = Release|Any CPU
 		{6472D59F-7C04-43DE-AD33-9F20BE3804BF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{6472D59F-7C04-43DE-AD33-9F20BE3804BF}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6472D59F-7C04-43DE-AD33-9F20BE3804BF}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -529,8 +547,12 @@ Global
 		{6472D59F-7C04-43DE-AD33-9F20BE3804BF} = {975F6F41-B455-451D-A312-098DE4A167B6}
 		{CA283D7F-EB95-4353-B196-C409965D2B42} = {27381127-6C45-4B4C-8F18-41FF48DFE4B2}
 		{C8079F06-304F-49B1-A0C1-45AA3782A923} = {4981B3A5-4AFD-4191-BF7D-8692D9783D60}
+		{DCF2D47A-921A-4900-B5B2-CF97B3531CE8} = {975F6F41-B455-451D-A312-098DE4A167B6}
 		{20A5A907-A135-4735-B4BF-E13514F360E3} = {27381127-6C45-4B4C-8F18-41FF48DFE4B2}
 		{E592E447-BA3C-44FA-86C1-EBEDC864A644} = {4981B3A5-4AFD-4191-BF7D-8692D9783D60}
+		{A734177E-213B-4D68-98A4-6F5C00234053} = {975F6F41-B455-451D-A312-098DE4A167B6}
+		{A778F29A-6C40-4C53-A793-F23F20679ADE} = {27381127-6C45-4B4C-8F18-41FF48DFE4B2}
+		{A331C123-35A5-4E81-9999-354159821374} = {4981B3A5-4AFD-4191-BF7D-8692D9783D60}
 		{DCF2D47A-921A-4900-B5B2-CF97B3531CE8} = {975F6F41-B455-451D-A312-098DE4A167B6}
 		{39FA2A64-012F-4EB9-A14F-E8AC54C975F6} = {2136E31D-2CBB-41BB-8618-716FF8E46E9E}
 	EndGlobalSection

Directory.Packages.props

@@ -79,6 +79,7 @@
     <PackageVersion Include="MySqlConnector.DependencyInjection" Version="2.3.1" />
     <PackageVersion Include="Npgsql.DependencyInjection" Version="8.0.0" />
     <PackageVersion Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.0" />
+    <PackageVersion Include="Oracle.EntityFrameworkCore" Version="8.21.121" />
     <PackageVersion Include="Polly" Version="8.2.0" />
     <PackageVersion Include="RabbitMQ.Client" Version="6.7.0" />
     <PackageVersion Include="StackExchange.Redis" Version="2.7.4" />
@@ -105,4 +106,4 @@
     <PackageVersion Include="Microsoft.Signed.Wix" Version="1.0.0-v3.14.0.5722" />
     <PackageVersion Include="Microsoft.DotNet.Build.Tasks.Installers" Version="8.0.0-beta.23564.4" />
   </ItemGroup>
-</Project>
+</Project>

src/Aspire.Hosting/Oracle/IOracleDatabaseResource.cs

@@ -0,0 +1,11 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace Aspire.Hosting.ApplicationModel;
+
+/// <summary>
+/// Represents a Oracle Database resource that requires a connection string.
+/// </summary>
+public interface IOracleDatabaseParentResource : IResourceWithConnectionString, IResourceWithEnvironment
+{
+}

src/Aspire.Hosting/Oracle/OracleDatabaseBuilderExtensions.cs

@@ -0,0 +1,105 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Net.Sockets;
+using Aspire.Hosting.ApplicationModel;
+using Aspire.Hosting.Publishing;
+
+namespace Aspire.Hosting;
+
+/// <summary>
+/// Provides extension methods for adding Oracle Database resources to an <see cref="IDistributedApplicationBuilder"/>.
+/// </summary>
+public static class OracleDatabaseBuilderExtensions
+{
+    private const string PasswordEnvVarName = "ORACLE_PWD";
+
+    /// <summary>
+    /// Adds a Oracle Database container to the application model. The default image is "database/free" and the tag is "latest".
+    /// </summary>
+    /// <param name="builder">The <see cref="IDistributedApplicationBuilder"/>.</param>
+    /// <param name="name">The name of the resource. This name will be used as the connection string name when referenced in a dependency.</param>
+    /// <param name="port">The host port for Oracle Database.</param>
+    /// <param name="password">The password for the Oracle Database container. Defaults to a random password.</param>
+    /// <returns>A reference to the <see cref="IResourceBuilder{OracleDatabaseContainerResource}"/>.</returns>
+    public static IResourceBuilder<OracleDatabaseContainerResource> AddOracleDatabaseContainer(this IDistributedApplicationBuilder builder, string name, int? port = null, string? password = null)
+    {
+        password = password ?? Guid.NewGuid().ToString("N").Substring(0, 30);
+        var oracleDatabaseContainer = new OracleDatabaseContainerResource(name, password);
+        return builder.AddResource(oracleDatabaseContainer)
+                      .WithManifestPublishingCallback(context => WriteOracleDatabaseContainerResourceToManifest(context, oracleDatabaseContainer))
+                      .WithAnnotation(new ServiceBindingAnnotation(ProtocolType.Tcp, port: port, containerPort: 1521))
+                      .WithAnnotation(new ContainerImageAnnotation { Image = "database/free", Tag = "latest", Registry = "container-registry.oracle.com" })
+                      .WithEnvironment(context =>
+                      {
+                          if (context.PublisherName == "manifest")
+                          {
+                              context.EnvironmentVariables.Add(PasswordEnvVarName, $"{{{oracleDatabaseContainer.Name}.inputs.password}}");
+                          }
+                          else
+                          {
+                              context.EnvironmentVariables.Add(PasswordEnvVarName, oracleDatabaseContainer.Password);
+                          }
+                      });
+    }
+
+    /// <summary>
+    /// Adds a Oracle Database resource to the application model. A container is used for local development.
+    /// </summary>
+    /// <param name="builder">The <see cref="IDistributedApplicationBuilder"/>.</param>
+    /// <param name="name">The name of the resource. This name will be used as the connection string name when referenced in a dependency.</param>
+    /// <returns>A reference to the <see cref="IResourceBuilder{OracleDatabaseServerResource}"/>.</returns>
+    public static IResourceBuilder<OracleDatabaseServerResource> AddOracleDatabase(this IDistributedApplicationBuilder builder, string name)
+    {
+        var password = Guid.NewGuid().ToString("N").Substring(0, 30);
+        var oracleDatabaseServer = new OracleDatabaseServerResource(name, password);
+        return builder.AddResource(oracleDatabaseServer)
+                      .WithManifestPublishingCallback(WriteOracleDatabaseContainerToManifest)
+                      .WithAnnotation(new ServiceBindingAnnotation(ProtocolType.Tcp, containerPort: 1521))
+                      .WithAnnotation(new ContainerImageAnnotation { Image = "database/free", Tag = "latest", Registry = "container-registry.oracle.com" })
+                      .WithEnvironment(PasswordEnvVarName, () => oracleDatabaseServer.Password);
+    }
+
+    /// <summary>
+    /// Adds a Oracle Database database to the application model.
+    /// </summary>
+    /// <param name="builder">The Oracle Database server resource builder.</param>
+    /// <param name="name">The name of the resource. This name will be used as the connection string name when referenced in a dependency.</param>
+    /// <returns>A reference to the <see cref="IResourceBuilder{OracleDatabaseResource}"/>.</returns>
+    public static IResourceBuilder<OracleDatabaseResource> AddDatabase(this IResourceBuilder<IOracleDatabaseParentResource> builder, string name)
+    {
+        var oracleDatabase = new OracleDatabaseResource(name, builder.Resource);
+        return builder.ApplicationBuilder.AddResource(oracleDatabase)
+                                         .WithManifestPublishingCallback(context => WriteOracleDatabaseToManifest(context, oracleDatabase));
+    }
+
+    private static void WriteOracleDatabaseContainerToManifest(ManifestPublishingContext context)
+    {
+        context.Writer.WriteString("type", "oracle.server.v0");
+    }
+
+    private static void WriteOracleDatabaseToManifest(ManifestPublishingContext context, OracleDatabaseResource oracleDatabase)
+    {
+        context.Writer.WriteString("type", "oracle.database.v0");
+        context.Writer.WriteString("parent", oracleDatabase.Parent.Name);
+    }
+
+    private static void WriteOracleDatabaseContainerResourceToManifest(ManifestPublishingContext context, OracleDatabaseContainerResource resource)
+    {
+        context.WriteContainer(resource);
+        context.Writer.WriteString(                     // "connectionString": "...",
+            "connectionString",
+            $"user id=system;password={{{resource.Name}.inputs.password}};data source={{{resource.Name}.bindings.tcp.host}}:{{{resource.Name}.bindings.tcp.port}};");
+        context.Writer.WriteStartObject("inputs");      // "inputs": {
+        context.Writer.WriteStartObject("password");    //   "password": {
+        context.Writer.WriteString("type", "string");   //     "type": "string",
+        context.Writer.WriteBoolean("secret", true);    //     "secret": true,
+        context.Writer.WriteStartObject("default");     //     "default": {
+        context.Writer.WriteStartObject("generate");    //       "generate": {
+        context.Writer.WriteNumber("minLength", 10);    //         "minLength": 10,
+        context.Writer.WriteEndObject();                //       }
+        context.Writer.WriteEndObject();                //     }
+        context.Writer.WriteEndObject();                //   }
+        context.Writer.WriteEndObject();                // }
+    }
+}

src/Aspire.Hosting/Oracle/OracleDatabaseContainerResource.cs

@@ -0,0 +1,31 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace Aspire.Hosting.ApplicationModel;
+
+/// <summary>
+/// A resource that represents a Oracle Database container.
+/// </summary>
+/// <param name="name">The name of the resource.</param>
+/// <param name="password">The Oracle Database server password.</param>
+public class OracleDatabaseContainerResource(string name, string password) : ContainerResource(name), IOracleDatabaseParentResource
+{
+    public string Password { get; } = password;
+
+    /// <summary>
+    /// Gets the connection string for the Oracle Database server.
+    /// </summary>
+    /// <returns>A connection string for the Oracle Database server in the form "user id=system;password=password;data source=localhost:port".</returns>
+    public string? GetConnectionString()
+    {
+        if (!this.TryGetAllocatedEndPoints(out var allocatedEndpoints))
+        {
+            throw new DistributedApplicationException("Expected allocated endpoints!");
+        }
+
+        var allocatedEndpoint = allocatedEndpoints.Single(); // We should only have one endpoint for Oracle Database.
+
+        var connectionString = $"user id=system;password={Password};data source={allocatedEndpoint.Address}:{allocatedEndpoint.Port}";
+        return connectionString;
+    }
+}

src/Aspire.Hosting/Oracle/OracleDatabaseResource.cs

@@ -0,0 +1,30 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+namespace Aspire.Hosting.ApplicationModel;
+
+/// <summary>
+/// A resource that represents a Oracle Database database. This is a child resource of a <see cref="OracleDatabaseContainerResource"/>.
+/// </summary>
+/// <param name="name">The name of the resource.</param>
+/// <param name="oracleParentResource">The Oracle Database parent resource associated with this database.</param>
+public class OracleDatabaseResource(string name, IOracleDatabaseParentResource oracleParentResource) : Resource(name), IResourceWithParent<IOracleDatabaseParentResource>, IResourceWithConnectionString
+{
+    public IOracleDatabaseParentResource Parent { get; } = oracleParentResource;
+
+    /// <summary>
+    /// Gets the connection string for the Oracle Database.
+    /// </summary>
+    /// <returns>A connection string for the Oracle Database.</returns>
+    public string? GetConnectionString()
+    {
+        if (Parent.GetConnectionString() is { } connectionString)
+        {
+            return $"{connectionString}/{Name}";
+        }
+        else
+        {
+            throw new DistributedApplicationException("Parent resource connection string was null.");
+        }
+    }
+}

src/Aspire.Hosting/Oracle/OracleDatabaseServerResource.cs

@@ -0,0 +1,33 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Aspire.Hosting.Utils;
+
+namespace Aspire.Hosting.ApplicationModel;
+
+/// <summary>
+/// A resource that represents a Oracle Database container.
+/// </summary>
+/// <param name="name">The name of the resource.</param>
+/// <param name="password">The Oracle Database server password.</param>
+public class OracleDatabaseServerResource(string name, string password) : Resource(name), IOracleDatabaseParentResource
+{
+    public string Password { get; } = password;
+
+    /// <summary>
+    /// Gets the connection string for the Oracle Database server.
+    /// </summary>
+    /// <returns>A connection string for the Oracle Database server in the form "user id=system;password=password;data source=host:port".</returns>
+    public string? GetConnectionString()
+    {
+        if (!this.TryGetAllocatedEndPoints(out var allocatedEndpoints))
+        {
+            throw new DistributedApplicationException("Expected allocated endpoints!");
+        }
+
+        var allocatedEndpoint = allocatedEndpoints.Single(); // We should only have one endpoint for Oracle.
+
+        var connectionString = $"user id=system;password={PasswordUtil.EscapePassword(Password)};data source={allocatedEndpoint.Address}:{allocatedEndpoint.Port}";
+        return connectionString;
+    }
+}

src/Components/Aspire.Oracle.EntityFrameworkCore/Aspire.Oracle.EntityFrameworkCore.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>$(NetCurrent)</TargetFramework>
+    <IsPackable>true</IsPackable>
+    <PackageTags>$(ComponentEfCorePackageTags) oracle sql</PackageTags>
+    <Description>An Oracle Database provider for Entity Framework Core that integrates with Aspire, including connection pooling, health check, logging, and telemetry.</Description>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="..\Common\HealthChecksExtensions.cs" Link="HealthChecksExtensions.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" />
+    <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.EntityFrameworkCore" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.EventCounters" />
+    <PackageReference Include="Oracle.EntityFrameworkCore" />
+  </ItemGroup>
+
+</Project>