feat: 增加自定义json格式输出健康检查结果

Bootstrap.Admin/HealthChecks/DBHealthCheck.cs

@@ -1,7 +1,10 @@
-using Microsoft.Extensions.Diagnostics.HealthChecks;
-using System.Collections.Generic;
+using Bootstrap.DataAccess;
+using Bootstrap.Security;
+using Microsoft.Extensions.Diagnostics.HealthChecks;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Task = System.Threading.Tasks.Task;
 
 namespace Bootstrap.Admin.HealthChecks
 {
@@ -18,10 +21,12 @@ namespace Bootstrap.Admin.HealthChecks
         /// <returns></returns>
         public Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
         {
-            var data = new Dictionary<string, object>();
-            data.Add("Test1", "Test1");
-            data.Add("Test2", "Test2");
-            return Task.FromResult(HealthCheckResult.Healthy("Ok", data));
+            using (var db = DbManager.Create())
+            {
+                var connStr = db.ConnectionString;
+                var dicts = db.Fetch<BootstrapDict>("Select * from Dicts");
+                return dicts.Any() ? Task.FromResult(HealthCheckResult.Healthy("Ok")) : Task.FromResult(HealthCheckResult.Degraded("No init data in DB"));
+            }
         }
     }
 }

Bootstrap.Admin/HealthChecks/HealthChecksAppBuilderExtensions.cs

@@ -1,4 +1,8 @@
-namespace Microsoft.AspNetCore.Builder
+using Microsoft.AspNetCore.Diagnostics.HealthChecks;
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+
+namespace Microsoft.AspNetCore.Builder
 {
     /// <summary>
     /// BootstrapAdmin 健康检查扩展类
@@ -6,13 +10,22 @@
     public static class HealthChecksAppBuilderExtensions
     {
         /// <summary>
-        /// 
+        /// 启用健康检查
         /// </summary>
         /// <param name="app"></param>
+        /// <param name="path"></param>
         /// <returns></returns>
-        public static IApplicationBuilder UseBootstrapHealthChecks(this IApplicationBuilder app)
+        public static IApplicationBuilder UseBootstrapHealthChecks(this IApplicationBuilder app, PathString path = default)
         {
-            app.UseHealthChecks("Healths");
+            if (path == default) path = "/Healths";
+            app.UseHealthChecks(path, new HealthCheckOptions()
+            {
+                ResponseWriter = (context, report) =>
+                {
+                    context.Response.ContentType = "application/json";
+                    return context.Response.WriteAsync(JsonConvert.SerializeObject(report));
+                }
+            });
             return app;
         }
     }

Bootstrap.Admin/HealthChecks/HealthChecksBuilderExtensions.cs

@@ -1,4 +1,6 @@
-namespace Microsoft.Extensions.DependencyInjection
+using Bootstrap.Admin.HealthChecks;
+
+namespace Microsoft.Extensions.DependencyInjection
 {
     /// <summary>
     /// 健康检查扩展类
@@ -12,7 +14,7 @@
         /// <returns></returns>
         public static IHealthChecksBuilder AddBootstrapAdminHealthChecks(this IHealthChecksBuilder builder)
         {
-            builder.AddCheck<Bootstrap.Admin.HealthChecks.DBHealthCheck>("db");
+            builder.AddCheck<DBHealthCheck>("db");
             return builder;
         }
     }