/// <summary>
/// Add HTTP base health check middleware to the <see cref="IApplicationBuilder"/> request execution pipe.
/// </summary>
/// <param name="builder"></param>
/// <param name="path">The path to use as healhcheck route.</param>
public static void UseHttpHealthCheck(this IApplicationBuilder builder, string path = "/status")
{
builder.Map(path, (app) =>
{
app.Run(async ctx =>
{
IHttpHealthService service = ctx.RequestServices.GetRequiredService <IHttpHealthService> ();
if (HttpMethod.Get.Method.Equals(ctx.Request.Method))
{
IHttpHealthService checker = ctx.RequestServices.GetRequiredService <IHttpHealthService> ();
ctx.Response.ContentType = "text/plain";
await ctx.Response.WriteAsync(checker.Health);
if (!checker.IsHealthy)
{
ctx.Response.StatusCode = 503;
}
}
else if (HttpMethod.Put.Method.Equals(ctx.Request.Method))
{
if (service != null)
{
IAuthorizationFilter filter = app.ApplicationServices.GetService <IAuthorizationFilter>();
if (filter != null)
{
if (await filter.FilterAsync(ctx))
{
await service.HttpPutRequestReceived(ctx);
}
}
}
}
});
});
}
/// <summary>
/// Add HTTP health service to the provided <see cref="IServiceCollection"/>.
/// </summary>
/// <param name="healthService"></param>
public static IServiceCollection AddHttpHealthService(this IServiceCollection services, IHttpHealthService healthService)
{
return(services.AddSingleton(healthService));
}
