Add Redis Health Check

src/OrchardCore.Modules/OrchardCore.Redis/HealthChecks/Extensions/RedisHealthCheckExtensions.cs

@@ -0,0 +1,9 @@
+using OrchardCore.Redis.HealthChecks;
+
+namespace Microsoft.Extensions.DependencyInjection;
+
+public static class RedisHealthCheckExtensions
+{
+    public static IHealthChecksBuilder AddRedisCheck(this IHealthChecksBuilder healthChecksBuilder)
+        => healthChecksBuilder.AddCheck<RedisHealthCheck>("Redis Health Check");
+}

src/OrchardCore.Modules/OrchardCore.Redis/HealthChecks/RedisHealthCheck.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+
+namespace OrchardCore.Redis.HealthChecks;
+
+public class RedisHealthCheck : IHealthCheck
+{
+    private readonly IServiceProvider _serviceProvider;
+
+    public RedisHealthCheck(IServiceProvider serviceProvider)
+    {
+        _serviceProvider = serviceProvider;
+    }
+
+    public async Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            var redisService = _serviceProvider.GetService<IRedisService>();
+            if (redisService == null)
+            {
+                return HealthCheckResult.Unhealthy();
+            }
+
+            if (redisService.Connection == null)
+            {
+                await redisService.ConnectAsync();
+            }
+
+            if (redisService.Connection.IsConnected)
+            {
+                var time = await redisService.Database.PingAsync();
+                if (time > TimeSpan.FromSeconds(30))
+                {
+                    return HealthCheckResult.Unhealthy();
+                }
+                else
+                {
+                    return HealthCheckResult.Healthy();
+                }
+            }
+            else
+            {
+                return HealthCheckResult.Unhealthy();
+            }
+        }
+        catch
+        {
+            return HealthCheckResult.Unhealthy();
+        }
+    }
+}

src/OrchardCore.Modules/OrchardCore.Redis/HealthChecks/Startup.cs

@@ -0,0 +1,17 @@
+using Microsoft.Extensions.DependencyInjection;
+using OrchardCore.Modules;
+
+namespace OrchardCore.Redis.HealthChecks;
+
+[RequireFeatures("OrchardCore.HealthChecks")]
+public class Startup : StartupBase
+{
+    public override int Order => 100;
+
+    public override void ConfigureServices(IServiceCollection services)
+    {
+        services
+            .AddHealthChecks()
+            .AddRedisCheck();
+    }
+}