Initial commit: FastAPI JBOD monitor backend

main.py

@@ -0,0 +1,52 @@
+import logging
+import os
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from models.schemas import HealthCheck
+from routers import drives, enclosures, overview
+from services.smart import sg_ses_available, smartctl_available
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+)
+logger = logging.getLogger(__name__)
+
+app = FastAPI(
+    title="JBOD Monitor",
+    description="Drive health monitoring for JBOD enclosures",
+    version="0.1.0",
+)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(enclosures.router)
+app.include_router(drives.router)
+app.include_router(overview.router)
+
+_tool_status: dict[str, bool] = {}
+
+
+@app.on_event("startup")
+async def check_dependencies():
+    _tool_status["smartctl"] = smartctl_available()
+    _tool_status["sg_ses"] = sg_ses_available()
+
+    if not _tool_status["smartctl"]:
+        logger.warning("smartctl not found — install smartmontools for SMART data")
+    if not _tool_status["sg_ses"]:
+        logger.warning("sg_ses not found — install sg3-utils for enclosure SES data")
+    if os.geteuid() != 0:
+        logger.warning("Not running as root — smartctl may fail on some devices")
+
+
+@app.get("/api/health", response_model=HealthCheck, tags=["health"])
+async def health():
+    return HealthCheck(status="ok", tools=_tool_status)