From 12aa55ed1469e5af7d3a897bad072ef4e49119c8 Mon Sep 17 00:00:00 2001
From: gahusb <bgg8988@gmail.com>
Date: Fri, 3 Jul 2026 01:47:34 +0900
Subject: [PATCH] =?UTF-8?q?feat(trade-monitor):=20FastAPI=20lifespan=20+?=
 =?UTF-8?q?=20heartbeat=20=EB=B0=B0=EC=84=A0=20+=20/health?=
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---
 services/trade-monitor/main.py              | 62 +++++++++++++++++++++
 services/trade-monitor/tests/test_health.py |  6 ++
 2 files changed, 68 insertions(+)
 create mode 100644 services/trade-monitor/main.py
 create mode 100644 services/trade-monitor/tests/test_health.py

diff --git a/services/trade-monitor/main.py b/services/trade-monitor/main.py
new file mode 100644
index 0000000..d0fa302
--- /dev/null
+++ b/services/trade-monitor/main.py
@@ -0,0 +1,62 @@
+"""trade-monitor FastAPI entry — lifespan(monitor_loop + heartbeat_loop) + /health."""
+from __future__ import annotations
+
+import asyncio
+import logging
+from contextlib import asynccontextmanager
+
+import redis.asyncio as aioredis
+from fastapi import FastAPI
+
+import monitor
+from config import load_settings
+from kis_client import KISClient
+from nas_client import NASClient
+from _shared.heartbeat import heartbeat_loop, WorkerStats
+
+logging.basicConfig(level=logging.INFO,
+                    format="%(asctime)s %(name)s %(levelname)s %(message)s")
+logger = logging.getLogger(__name__)
+
+HEARTBEAT_INTERVAL = 15   # 60초 루프 > TTL 45초 → 독립 15초 발신으로 만료갭 해소
+HEARTBEAT_TTL = 45
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    settings = load_settings()
+    nas = NASClient(settings.nas_base_url, settings.webai_api_key)
+    kis = KISClient(settings.kis_app_key, settings.kis_app_secret,
+                    settings.kis_account, settings.kis_is_virtual)
+    state = monitor.MonitorState()
+    stats = WorkerStats()
+    redis = aioredis.from_url(settings.redis_url, decode_responses=False)
+
+    mon_task = asyncio.create_task(
+        monitor.monitor_loop(nas, kis, state, stats, settings))
+    hb_task = asyncio.create_task(heartbeat_loop(
+        redis, "trade-monitor", "trader", stats,
+        interval=HEARTBEAT_INTERVAL, ttl=HEARTBEAT_TTL,
+        state_fn=monitor.make_state_fn(state)))
+    logger.info("trade-monitor lifespan 시작")
+    try:
+        yield
+    finally:
+        for t in (mon_task, hb_task):
+            t.cancel()
+            try:
+                await t
+            except asyncio.CancelledError:
+                pass
+        await kis.close()
+        await nas.close()
+        await redis.aclose()
+        logger.info("trade-monitor lifespan 종료")
+
+
+app = FastAPI(lifespan=lifespan)
+
+
+@app.get("/health")
+def health():
+    return {"ok": True, "service": "trade-monitor"}
diff --git a/services/trade-monitor/tests/test_health.py b/services/trade-monitor/tests/test_health.py
new file mode 100644
index 0000000..0ec996a
--- /dev/null
+++ b/services/trade-monitor/tests/test_health.py
@@ -0,0 +1,6 @@
+"""/health — 라우트 핸들러 직접 검증."""
+from main import health
+
+
+def test_health():
+    assert health() == {"ok": True, "service": "trade-monitor"}