Add Aspire.MySqlConnector #825
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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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| namespace Aspire.Hosting.ApplicationModel; | ||
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| /// <summary> | ||
| /// Represents a MySQL resource that requires a connection string. | ||
| /// </summary> | ||
| public interface IMySqlResource : 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 System.Text.Json; | ||
| using Aspire.Hosting.ApplicationModel; | ||
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| namespace Aspire.Hosting; | ||
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| /// <summary> | ||
| /// Provides extension methods for adding MySQL resources to an <see cref="IDistributedApplicationBuilder"/>. | ||
| /// </summary> | ||
| public static class MySqlBuilderExtensions | ||
| { | ||
| private const string PasswordEnvVarName = "MYSQL_ROOT_PASSWORD"; | ||
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| /// <summary> | ||
| /// Adds a MySQL container to the application model. The default image is "mysql" 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 MySQL.</param> | ||
| /// <param name="password">The password for the MySQL root user. Defaults to a random password.</param> | ||
| /// <returns>A reference to the <see cref="IResourceBuilder{MySqlContainerResource}"/>.</returns> | ||
| public static IResourceBuilder<MySqlContainerResource> AddMySqlContainer(this IDistributedApplicationBuilder builder, string name, int? port = null, string? password = null) | ||
| { | ||
| password ??= Guid.NewGuid().ToString("N"); | ||
| var mySqlContainer = new MySqlContainerResource(name, password); | ||
| return builder.AddResource(mySqlContainer) | ||
| .WithAnnotation(new ManifestPublishingCallbackAnnotation(WriteMySqlContainerToManifest)) | ||
| .WithAnnotation(new ServiceBindingAnnotation(ProtocolType.Tcp, port: port, containerPort: 3306)) // Internal port is always 3306. | ||
| .WithAnnotation(new ContainerImageAnnotation { Image = "mysql", Tag = "latest" }) | ||
| .WithEnvironment(PasswordEnvVarName, () => mySqlContainer.Password); | ||
| } | ||
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| /// <summary> | ||
| /// Adds a MySQL 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 MySQL connection string (optional).</param> | ||
| /// <returns>A reference to the <see cref="IResourceBuilder{MySqlConnectionResource}"/>.</returns> | ||
| public static IResourceBuilder<MySqlConnectionResource> AddMySqlConnection(this IDistributedApplicationBuilder builder, string name, string? connectionString = null) | ||
| { | ||
| var mySqlConnection = new MySqlConnectionResource(name, connectionString); | ||
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| return builder.AddResource(mySqlConnection) | ||
| .WithAnnotation(new ManifestPublishingCallbackAnnotation((json) => WriteMySqlConnectionToManifest(json, mySqlConnection))); | ||
| } | ||
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| /// <summary> | ||
| /// Adds a MySQL database to the application model. | ||
| /// </summary> | ||
| /// <param name="builder">The MySQL 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{MySqlDatabaseResource}"/>.</returns> | ||
| public static IResourceBuilder<MySqlDatabaseResource> AddDatabase(this IResourceBuilder<MySqlContainerResource> builder, string name) | ||
| { | ||
| var mySqlDatabase = new MySqlDatabaseResource(name, builder.Resource); | ||
| return builder.ApplicationBuilder.AddResource(mySqlDatabase) | ||
| .WithAnnotation(new ManifestPublishingCallbackAnnotation( | ||
| (json) => WriteMySqlDatabaseToManifest(json, mySqlDatabase))); | ||
| } | ||
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| private static void WriteMySqlConnectionToManifest(Utf8JsonWriter jsonWriter, MySqlConnectionResource mySqlConnection) | ||
| { | ||
| jsonWriter.WriteString("type", "mysql.connection.v0"); | ||
| jsonWriter.WriteString("connectionString", mySqlConnection.GetConnectionString()); | ||
| } | ||
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| private static void WriteMySqlContainerToManifest(Utf8JsonWriter jsonWriter) | ||
| { | ||
| jsonWriter.WriteString("type", "mysql.server.v0"); | ||
| } | ||
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| private static void WriteMySqlDatabaseToManifest(Utf8JsonWriter json, MySqlDatabaseResource mySqlDatabase) | ||
| { | ||
| json.WriteString("type", "mysql.database.v0"); | ||
| json.WriteString("parent", mySqlDatabase.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 MySQL connection. | ||
| /// </summary> | ||
| /// <param name="name">The name of the resource.</param> | ||
| /// <param name="connectionString">The MySQL connection string.</param> | ||
| public class MySqlConnectionResource(string name, string? connectionString) : Resource(name), IMySqlResource | ||
| { | ||
| private readonly string? _connectionString = connectionString; | ||
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| /// <summary> | ||
| /// Gets the connection string for the MySQL 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 |
|---|---|---|
| @@ -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 MySQL container. | ||
| /// </summary> | ||
| /// <param name="name">The name of the resource.</param> | ||
| /// <param name="password">The MySQL server root password.</param> | ||
| public class MySqlContainerResource(string name, string password) : ContainerResource(name), IMySqlResource | ||
| { | ||
| public string Password { get; } = password; | ||
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| /// <summary> | ||
| /// Gets the connection string for the MySQL server. | ||
| /// </summary> | ||
| /// <returns>A connection string for the MySQL server in the form "Host=host;Port=port;Username=root;Password=password".</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 MySQL. | ||
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| var connectionString = $"Host={allocatedEndpoint.Address};Port={allocatedEndpoint.Port};Username=root;Password={Password};"; | ||
| 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 MySQL database. This is a child resource of a <see cref="MySqlContainerResource"/>. | ||
| /// </summary> | ||
| /// <param name="name">The name of the resource.</param> | ||
| /// <param name="mySqlContainer">The MySQL server resource associated with this database.</param> | ||
| public class MySqlDatabaseResource(string name, MySqlContainerResource mySqlContainer) : Resource(name), IMySqlResource, IResourceWithParent<MySqlContainerResource> | ||
| { | ||
| public MySqlContainerResource Parent { get; } = mySqlContainer; | ||
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| /// <summary> | ||
| /// Gets the connection string for the MySQL database. | ||
| /// </summary> | ||
| /// <returns>A connection string for the MySQL database.</returns> | ||
| public string? GetConnectionString() | ||
| { | ||
| if (Parent.GetConnectionString() is { } connectionString) | ||
| { | ||
| return $"{connectionString}Database={Name}"; | ||
| } | ||
| else | ||
| { | ||
| throw new DistributedApplicationException("Parent resource connection string was null."); | ||
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There was a problem hiding this comment. @eerhardt should we start moving these things to a resx? I assume we won't localize unless the base libraries start to localize. So perhaps there isn't much value. There was a problem hiding this comment. ASP.NET Core doesn't have a lot of its exception messages in resx's either. For example If we ever needed to localize our exceptions, it wouldn't be that hard to find these. But odds are, after 8 years of .NET Core System.* libraries not being localized, I'd be surprised if it ever happens. |
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| } | ||
| } | ||
| } | ||
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| @@ -0,0 +1,24 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>$(NetCurrent)</TargetFramework> | ||
| <IsPackable>true</IsPackable> | ||
| <PackageTags>$(ComponentDatabasePackageTags) mysqlconnector mysql sql</PackageTags> | ||
| <Description>A MySQL client that integrates with Aspire, including health checks, metrics, logging, and telemetry.</Description> | ||
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There was a problem hiding this comment. Does MySQL need a |
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| <PackageIconFullPath>$(SharedDir)SQL_256x.png</PackageIconFullPath> | ||
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There was a problem hiding this comment. @DamianEdwards - should this have the same icon as the https://www.nuget.org/packages/MySqlConnector/ package?
There was a problem hiding this comment. That would be ideal, assuming we have permission to do so 😀 There was a problem hiding this comment. I created the MySqlConnector package icon (using free sources) and will give any necessary permission to include it here. |
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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="AspNetCore.HealthChecks.MySql" /> | ||
| <PackageReference Include="Microsoft.Extensions.Configuration.Binder" /> | ||
| <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" /> | ||
| <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" /> | ||
| <PackageReference Include="MySqlConnector.DependencyInjection" /> | ||
| <PackageReference Include="OpenTelemetry.Extensions.Hosting" /> | ||
| </ItemGroup> | ||
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| </Project> | ||
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