Adding in secondary logic for a health check.

HealthChecks.SomeModelService/Health/ApiHealthCheck.cs

@@ -14,10 +14,10 @@ public Task<HealthCheckResult> CheckHealthAsync(
             var isHealthy = true;
             if(isHealthy)
             {
-                return Task.FromResult(HealthCheckResult.Healthy("healthy"));
+                return Task.FromResult(HealthCheckResult.Healthy("I am one healthy microservice API"));
             }
 
-            return Task.FromResult(HealthCheckResult.Unhealthy("unhealthy"));
+            return Task.FromResult(HealthCheckResult.Unhealthy("I am the sad, unhealthy microservice API"));
         }
     }
 }

HealthChecks.SomeModelService/Health/SecondaryHealthCheck.cs

@@ -0,0 +1,16 @@
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+
+namespace HealthChecks.SomeModelService.Health
+{
+    public class SecondaryHealthCheck : IHealthCheck
+    {
+        public Task<HealthCheckResult> CheckHealthAsync(
+            HealthCheckContext context,
+            CancellationToken cancellationToken = new CancellationToken())
+        {
+            return Task.FromResult(HealthCheckResult.Degraded("Not feeling so well, boss!"));
+        }
+    }
+}

HealthChecks.SomeModelService/Startup.cs

@@ -1,11 +1,17 @@
-using Autofac;
+using System.Linq;
+using System.Threading.Tasks;
+using Autofac;
 using HealthChecks.Configuration;
 using HealthChecks.SomeModelService.Health;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Diagnostics.HealthChecks;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
 using IHostingEnvironment = Microsoft.AspNetCore.Hosting.IHostingEnvironment;
 
 namespace HealthChecks.SomeModelService
@@ -27,7 +33,8 @@ public void ConfigureServices(IServiceCollection services)
         {
             services.AddCors();
             services.AddHealthChecks()
-                .AddCheck<ApiHealthCheck>("api");
+                .AddCheck<ApiHealthCheck>("api")
+                .AddCheck<SecondaryHealthCheck>("secondary");
             //add additional healthchecks here, as needed
             //as described here https://github.com/Xabaril/AspNetCore.Diagnostics.HealthChecks