private void AddHealthChecks(IServiceCollection services)
{
services.AddHealthChecksUI();
var healthChecks = services.AddHealthChecks().AddCheck("self", () => HealthCheckResult.Healthy());
var applications = new Dto.RegisteredApplicationsDto();
Configuration.Bind("RegisteredApplications", applications);
var canCheck = applications.Applications.Where(w => !string.IsNullOrEmpty(w.HealthCheckUrl)).ToList();
canCheck.ForEach(f => healthChecks.AddUrlGroup(new Uri(f.HealthCheckUrl), name: $"{f.RouteName}-check", tags: new string[] { $"{f.RouteName}-api" }));
services.Configure <HealthCheckPublisherOptions>(options =>
{
options.Period = new TimeSpan(0, 0, 4);
options.Delay = TimeSpan.FromSeconds(2);
options.Timeout = new TimeSpan(0, 0, 10);
// options.Predicate = (check) => check.Tags.Contains("ready");
});
const string HealthCheckServiceAssembly = "Microsoft.Extensions.Diagnostics.HealthChecks.HealthCheckPublisherHostedService";
services.TryAddEnumerable(
ServiceDescriptor.Singleton(typeof(IHostedService),
typeof(HealthCheckPublisherOptions).Assembly
.GetType(HealthCheckServiceAssembly)));
services.AddSingleton <IHealthCheckPublisher, ReadinessPublisher>();
}
public ApplicationController(IOptions <Dto.RegisteredApplicationsDto> registeredApplications, Services.IApplicationService applicationService, ILogger <ApplicationController> logger)
{
_registeredApplications = registeredApplications.Value;
_applicationService = applicationService;
_logger = logger;
}
