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Specific health checks implementations registered into the application (#619)

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This commit is contained in:
Dominik Ther
2021-11-11 22:51:42 +01:00
committed by GitHub
parent 77d9e4c19a
commit eb757d3d12
2 changed files with 12 additions and 14 deletions
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16
src/Web/HealthChecks/ApiHealthCheck.cs
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@@ -1,31 +1,25 @@
using System.Net.Http; using System.Net.Http;
using System.Threading; using System.Threading;
using System.Threading.Tasks; using System.Threading.Tasks;
using Microsoft.AspNetCore.Http; using BlazorShared;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.Diagnostics.HealthChecks; using Microsoft.Extensions.Diagnostics.HealthChecks;
namespace Microsoft.eShopWeb.Web.HealthChecks; namespace Microsoft.eShopWeb.Web.HealthChecks;
public class ApiHealthCheck : IHealthCheck public class ApiHealthCheck : IHealthCheck
{ {
private readonly IHttpContextAccessor _httpContextAccessor; private readonly BaseUrlConfiguration _baseUrlConfiguration;
private readonly LinkGenerator _linkGenerator;
public ApiHealthCheck(IHttpContextAccessor httpContextAccessor, LinkGenerator linkGenerator) public ApiHealthCheck(BaseUrlConfiguration baseUrlConfiguration)
{ {
_httpContextAccessor = httpContextAccessor; _baseUrlConfiguration = baseUrlConfiguration;
_linkGenerator = linkGenerator;
} }
public async Task<HealthCheckResult> CheckHealthAsync( public async Task<HealthCheckResult> CheckHealthAsync(
HealthCheckContext context, HealthCheckContext context,
CancellationToken cancellationToken = default(CancellationToken)) CancellationToken cancellationToken = default(CancellationToken))
{ {
var request = _httpContextAccessor.HttpContext.Request; string myUrl = _baseUrlConfiguration.ApiBase + "catalog-items";
string apiLink = _linkGenerator.GetPathByAction("List", "Catalog");
string myUrl = request.Scheme + "://" + request.Host.ToString() + apiLink;
var client = new HttpClient(); var client = new HttpClient();
var response = await client.GetAsync(myUrl); var response = await client.GetAsync(myUrl);
var pageContents = await response.Content.ReadAsStringAsync(); var pageContents = await response.Content.ReadAsStringAsync();

10
src/Web/Startup.cs
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@@ -22,6 +22,7 @@ using Microsoft.eShopWeb.ApplicationCore.Interfaces;
using Microsoft.eShopWeb.Infrastructure.Data; using Microsoft.eShopWeb.Infrastructure.Data;
using Microsoft.eShopWeb.Infrastructure.Identity; using Microsoft.eShopWeb.Infrastructure.Identity;
using Microsoft.eShopWeb.Web.Configuration; using Microsoft.eShopWeb.Web.Configuration;
using Microsoft.eShopWeb.Web.HealthChecks;
using Microsoft.Extensions.Configuration; using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Diagnostics.HealthChecks; using Microsoft.Extensions.Diagnostics.HealthChecks;
@@ -136,7 +137,10 @@ public class Startup
options.Conventions.AuthorizePage("/Basket/Checkout"); options.Conventions.AuthorizePage("/Basket/Checkout");
}); });
services.AddHttpContextAccessor(); services.AddHttpContextAccessor();
services.AddHealthChecks(); services
.AddHealthChecks()
.AddCheck<ApiHealthCheck>("api_health_check", tags: new[] { "apiHealthCheck" })
.AddCheck<HomePageHealthCheck>("home_page_health_check", tags: new[] { "homePageHealthCheck" });
services.Configure<ServiceConfig>(config => services.Configure<ServiceConfig>(config =>
{ {
config.Services = new List<ServiceDescriptor>(services); config.Services = new List<ServiceDescriptor>(services);
@@ -227,8 +231,8 @@ public class Startup
{ {
endpoints.MapControllerRoute("default", "{controller:slugify=Home}/{action:slugify=Index}/{id?}"); endpoints.MapControllerRoute("default", "{controller:slugify=Home}/{action:slugify=Index}/{id?}");
endpoints.MapRazorPages(); endpoints.MapRazorPages();
endpoints.MapHealthChecks("home_page_health_check"); endpoints.MapHealthChecks("home_page_health_check", new HealthCheckOptions { Predicate = check => check.Tags.Contains("homePageHealthCheck") });
endpoints.MapHealthChecks("api_health_check"); endpoints.MapHealthChecks("api_health_check", new HealthCheckOptions { Predicate = check => check.Tags.Contains("apiHealthCheck") });
//endpoints.MapBlazorHub("/admin"); //endpoints.MapBlazorHub("/admin");
endpoints.MapFallbackToFile("index.html"); endpoints.MapFallbackToFile("index.html");
}); });