From c63a61bf6a26c6fdbe87419231e3f7318a33ef6f Mon Sep 17 00:00:00 2001
From: SEAN <seonkyu.kim@ta9.co.kr>
Date: Wed, 11 Feb 2026 10:49:47 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20Health=20check=20Redis=20=EC=83=81?=
 =?UTF-8?q?=ED=83=9C=EB=A5=BC=20=EC=8B=A4=EC=A0=9C=20PING=20=EC=B2=B4?=
 =?UTF-8?q?=ED=81=AC=EB=A1=9C=20=EB=B3=80=EA=B2=BD=20(#156)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- not_configured 하드코딩 제거
- RedisConnection 주입 후 PingAsync()로 실제 연결 상태 확인
- 응답에 latency 포함

Closes #156
---
 SPMS.API/Controllers/PublicController.cs | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/SPMS.API/Controllers/PublicController.cs b/SPMS.API/Controllers/PublicController.cs
index 28dfaea..c5521f1 100644
--- a/SPMS.API/Controllers/PublicController.cs
+++ b/SPMS.API/Controllers/PublicController.cs
@@ -4,6 +4,7 @@ using Microsoft.EntityFrameworkCore;
 using Swashbuckle.AspNetCore.Annotations;
 using SPMS.Domain.Common;
 using SPMS.Infrastructure;
+using SPMS.Infrastructure.Caching;
 using SPMS.Infrastructure.Messaging;
 
 namespace SPMS.API.Controllers;
@@ -15,15 +16,18 @@ namespace SPMS.API.Controllers;
 public class PublicController : ControllerBase
 {
     private readonly AppDbContext _dbContext;
+    private readonly RedisConnection _redisConnection;
     private readonly RabbitMQConnection _rabbitConnection;
     private readonly RabbitMQInitializer _rabbitInitializer;
 
     public PublicController(
         AppDbContext dbContext,
+        RedisConnection redisConnection,
         RabbitMQConnection rabbitConnection,
         RabbitMQInitializer rabbitInitializer)
     {
         _dbContext = dbContext;
+        _redisConnection = redisConnection;
         _rabbitConnection = rabbitConnection;
         _rabbitInitializer = rabbitInitializer;
     }
@@ -47,8 +51,18 @@ public class PublicController : ControllerBase
             allHealthy = false;
         }
 
-        // 2. Redis 연결 확인 (Phase 3-2에서 구현 예정)
-        checks["redis"] = new { status = "not_configured" };
+        // 2. Redis 연결 확인
+        try
+        {
+            var db = await _redisConnection.GetDatabaseAsync();
+            var pong = await db.PingAsync();
+            checks["redis"] = new { status = "healthy", latency = $"{pong.TotalMilliseconds:F1}ms" };
+        }
+        catch (Exception ex)
+        {
+            checks["redis"] = new { status = "unhealthy", error = ex.Message };
+            allHealthy = false;
+        }
 
         // 3. RabbitMQ 연결 확인
         var rabbitConnected = _rabbitConnection.IsConnected;