Joseph Doherty
50 lines
2.3 KiB
C#
50 lines
2.3 KiB
C#
using Microsoft.Extensions.DependencyInjection;
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namespace ScadaLink.DeploymentManager;
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public static class ServiceCollectionExtensions
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{
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/// <summary>
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/// Configuration section that <see cref="DeploymentManagerOptions"/> is bound to.
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/// The Host binds this section to <c>appsettings.json</c> (see
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/// <c>Program.cs</c>); component libraries do not depend on
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/// <c>IConfiguration</c> directly, consistent with the Options-pattern
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/// convention enforced by <c>OptionsTests</c>.
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/// </summary>
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public const string OptionsSection = "ScadaLink:DeploymentManager";
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/// <summary>
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/// Registers the Deployment Manager services. <see cref="DeploymentManagerOptions"/>
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/// is registered via <see cref="OptionsServiceCollectionExtensions.AddOptions"/> so
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/// <c>IOptions<DeploymentManagerOptions></c> is always resolvable; the Host
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/// binds <see cref="OptionsSection"/> to configuration so the operation-lock and
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/// artifact-deployment timeouts are tunable via <c>appsettings.json</c>.
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/// </summary>
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public static IServiceCollection AddDeploymentManager(this IServiceCollection services)
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{
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// DeploymentManager-008: ensure the options class is always resolvable.
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// The Host binds OptionsSection to appsettings.json; absent that binding
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// the declared option-class defaults apply.
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services.AddOptions<DeploymentManagerOptions>();
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services.AddSingleton<OperationLockManager>();
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// CentralUI-006: push-based deployment-status notification. Registered
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// as a singleton so the scoped DeploymentService and the Central UI's
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// scoped Blazor page component share one instance — both run in the
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// same central Host process. The deployment-status page subscribes to
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// it instead of polling the database every 10 seconds.
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services.AddSingleton<IDeploymentStatusNotifier, DeploymentStatusNotifier>();
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services.AddScoped<IFlatteningPipeline, FlatteningPipeline>();
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services.AddScoped<DeploymentService>();
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services.AddScoped<ArtifactDeploymentService>();
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return services;
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}
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public static IServiceCollection AddDeploymentManagerActors(this IServiceCollection services)
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{
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// Akka actor registration is handled by Host component during actor system startup
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return services;
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}
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}
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