Adds Aspire Oracle EntityFrameworkCore Database component. #1295
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| // Licensed to the .NET Foundation under one or more agreements. | ||
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| // The .NET Foundation licenses this file to you under the MIT license. | ||
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| namespace Aspire.Hosting.ApplicationModel; | ||
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| /// <summary> | ||
| /// Represents a Oracle Database resource that requires a connection string. | ||
| /// </summary> | ||
| public interface IOracleDatabaseResource : IResourceWithConnectionString | ||
| { | ||
| } | ||
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| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
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| using System.Net.Sockets; | ||
| using Aspire.Hosting.ApplicationModel; | ||
| using Aspire.Hosting.Publishing; | ||
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| namespace Aspire.Hosting; | ||
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| /// <summary> | ||
| /// Provides extension methods for adding Oracle Database resources to an <see cref="IDistributedApplicationBuilder"/>. | ||
| /// </summary> | ||
| public static class OracleDatabaseBuilderExtensions | ||
| { | ||
| private const string PasswordEnvVarName = "ORACLE_DATABASE_PASSWORD"; | ||
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| /// <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"); | ||
| var oracleDatabaseContainer = new OracleDatabaseContainerResource(name, password); | ||
| return builder.AddResource(oracleDatabaseContainer) | ||
| .WithAnnotation(new ManifestPublishingCallbackAnnotation(WriteOracleDatabaseContainerToManifest)) | ||
| .WithAnnotation(new ServiceBindingAnnotation(ProtocolType.Tcp, port: port, containerPort: 1521)) | ||
| .WithAnnotation(new ContainerImageAnnotation { Image = "database/free", Tag = "latest", Registry = "container-registry.oracle.com" }) | ||
| .WithEnvironment(PasswordEnvVarName, () => oracleDatabaseContainer.Password); | ||
| } | ||
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| /// <summary> | ||
| /// Adds a Oracle Database connection to the application model. Connection strings can also be read from the connection string section of the configuration using the name of the resource. | ||
| /// </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="connectionString">The Oracle Database connection string (optional).</param> | ||
| /// <returns>A reference to the <see cref="IResourceBuilder{OracleDatabaseConnectionResource}"/>.</returns> | ||
| public static IResourceBuilder<OracleDatabaseConnectionResource> AddOracleDatabaseConnection(this IDistributedApplicationBuilder builder, string name, string? connectionString = null) | ||
| { | ||
| var oracleDatabaseConnection = new OracleDatabaseConnectionResource(name, connectionString); | ||
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| return builder.AddResource(oracleDatabaseConnection) | ||
| .WithAnnotation(new ManifestPublishingCallbackAnnotation((context) => WriteOracleDatabaseConnectionToManifest(context, oracleDatabaseConnection))); | ||
| } | ||
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| /// <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<OracleDatabaseContainerResource> builder, string name) | ||
| { | ||
| var oracleDatabase = new OracleDatabaseResource(name, builder.Resource); | ||
| return builder.ApplicationBuilder.AddResource(oracleDatabase) | ||
| .WithAnnotation(new ManifestPublishingCallbackAnnotation( | ||
| (json) => WriteOracleDatabaseToManifest(json, oracleDatabase))); | ||
| } | ||
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| private static void WriteOracleDatabaseConnectionToManifest(ManifestPublishingContext context, OracleDatabaseConnectionResource oracleDatabaseConnection) | ||
| { | ||
| context.Writer.WriteString("type", "oracle.connection.v0"); | ||
| context.Writer.WriteString("connectionString", oracleDatabaseConnection.GetConnectionString()); | ||
| } | ||
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| private static void WriteOracleDatabaseContainerToManifest(ManifestPublishingContext context) | ||
| { | ||
| context.Writer.WriteString("type", "oracle.server.v0"); | ||
| } | ||
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| private static void WriteOracleDatabaseToManifest(ManifestPublishingContext context, OracleDatabaseResource oracleDatabase) | ||
| { | ||
| context.Writer.WriteString("type", "oracle.database.v0"); | ||
| context.Writer.WriteString("parent", oracleDatabase.Parent.Name); | ||
| } | ||
| } |
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| @@ -0,0 +1,20 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
|
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| namespace Aspire.Hosting.ApplicationModel; | ||
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| /// <summary> | ||
| /// A resource that represents a Oracle Database connection. | ||
| /// </summary> | ||
| /// <param name="name">The name of the resource.</param> | ||
| /// <param name="connectionString">The Oracle Database connection string.</param> | ||
| public class OracleDatabaseConnectionResource(string name, string? connectionString) : Resource(name), IOracleDatabaseResource | ||
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| { | ||
| private readonly string? _connectionString = connectionString; | ||
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| /// <summary> | ||
| /// Gets the connection string for the Oracle Database server. | ||
| /// </summary> | ||
| /// <returns>The specified connection string.</returns> | ||
| public string? GetConnectionString() => _connectionString; | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -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. | ||
|
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| namespace Aspire.Hosting.ApplicationModel; | ||
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| /// <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), IOracleDatabaseResource | ||
| { | ||
| public string Password { get; } = password; | ||
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| /// <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!"); | ||
| } | ||
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| var allocatedEndpoint = allocatedEndpoints.Single(); // We should only have one endpoint for Oracle Database. | ||
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| var connectionString = $"user id=system;password={Password};data source={allocatedEndpoint.Address}:{allocatedEndpoint.Port}"; | ||
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| return connectionString; | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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. | ||
|
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| namespace Aspire.Hosting.ApplicationModel; | ||
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| /// <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="oracleContainer">The Oracle Database server resource associated with this database.</param> | ||
| public class OracleDatabaseResource(string name, OracleDatabaseContainerResource oracleContainer) : Resource(name), IOracleDatabaseResource, IResourceWithParent<OracleDatabaseContainerResource> | ||
| { | ||
| public OracleDatabaseContainerResource Parent { get; } = oracleContainer; | ||
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| /// <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 $"{connectionString}/{Name}"; | ||
| } | ||
| else | ||
| { | ||
| throw new DistributedApplicationException("Parent resource connection string was null."); | ||
| } | ||
| } | ||
| } |
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| @@ -0,0 +1,24 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
Member
There was a problem hiding this comment. Why the
Contributor
Author
There was a problem hiding this comment. I tried to follow the existing pattern of other EF components where we have Aspire.X.EntityFrameworkCore.Y where: X is the company/project Oracle calls its product Oracle Database, so I followed this pattern to leave it open for other Oracle products that may support EntityFramework.
Member
There was a problem hiding this comment. Fair enough. I'm happy with that as a justification as long as @eerhardt is happy as the czar of Aspire components ;)
Member
There was a problem hiding this comment. The naming pattern we use is in aspire/src/Components/README.md Lines 27 to 30 in 23e168d This should be called |
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| <PropertyGroup> | ||
| <TargetFramework>$(NetCurrent)</TargetFramework> | ||
| <IsPackable>true</IsPackable> | ||
| <PackageTags>$(ComponentEfCorePackageTags) sqlserver sql</PackageTags> | ||
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| <Description>A Oracle Database provider for Entity Framework Core that integrates with Aspire, including connection pooling, health check, logging, and telemetry.</Description> | ||
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| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <Compile Include="..\Common\HealthChecksExtensions.cs" Link="HealthChecksExtensions.cs" /> | ||
| </ItemGroup> | ||
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| <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> | ||
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| </Project> | ||
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