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ResilienceHostBuilderExtension.cs
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ResilienceHostBuilderExtension.cs
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using Bet.Extensions.Hosting.Resilience.CorrelationId;
using Bet.Extensions.Http.MessageHandlers.CorrelationId;
using Microsoft.Extensions.DependencyInjection;
namespace Microsoft.Extensions.Hosting;
public static class ResilienceHostBuilderExtension
{
/// <summary>
/// Uses <see cref="IHostStartupFilter"/> registration based on the implementation type.
/// </summary>
/// <typeparam name="T">The type of the implementation.</typeparam>
/// <param name="builder">The <see cref="IHostBuilder"/> instance.</param>
/// <returns></returns>
public static IHostBuilder UseStartupFilter<T>(this IHostBuilder builder)
{
return builder.ConfigureServices((_, services) =>
{
var found = services.SingleOrDefault(x => x.ServiceType == typeof(IHostedService))?.ImplementationType == typeof(HostStartupService);
if (!found)
{
services.AddHostedService<HostStartupService>();
}
services.AddSingleton(typeof(IHostStartupFilter), typeof(T));
});
}
public static IHostBuilder UseResilienceOnStartup(this IHostBuilder builder)
{
return builder.UseStartupFilter<PolicyConfiguratorStartupFilter>();
}
/// <summary>
/// Adds support for CorrelationId per http client.
/// https://devblogs.microsoft.com/aspnet/improvements-in-net-core-3-0-for-troubleshooting-and-monitoring-distributed-apps/.
/// </summary>
/// <param name="builder"></param>
/// <param name="configure"></param>
/// <returns></returns>
public static IHostBuilder UseCorrelationId(this IHostBuilder builder, Action<CorrelationIdOptions>? configure = null)
{
return builder.ConfigureServices((hostingContext, services) =>
{
services.AddCorrelationId();
services.Configure<CorrelationIdOptions>(options => configure?.Invoke(options));
// unfortunately diagnostic activity only no trace id available
services.AddHostedService<CorrelationDiagnosticsListener>();
});
}
}