117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
import os
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import logging
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from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import HTMLResponse
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from fastapi.templating import Jinja2Templates
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from app.database import Base, engine
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from app import routers
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# Configure logging
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
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handlers=[
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logging.StreamHandler(),
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logging.FileHandler("data/slmm.log"),
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],
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)
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logger = logging.getLogger(__name__)
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# Ensure database tables exist for the addon
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Base.metadata.create_all(bind=engine)
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logger.info("Database tables initialized")
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app = FastAPI(
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title="SLMM NL43 Addon",
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description="Standalone module for NL43 configuration and status APIs",
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version="0.1.0",
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)
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# CORS configuration - use environment variable for allowed origins
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# Default to "*" for development, but should be restricted in production
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allowed_origins = os.getenv("CORS_ORIGINS", "*").split(",")
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logger.info(f"CORS allowed origins: {allowed_origins}")
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app.add_middleware(
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CORSMiddleware,
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allow_origins=allowed_origins,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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templates = Jinja2Templates(directory="templates")
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app.include_router(routers.router)
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@app.get("/", response_class=HTMLResponse)
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def index(request: Request):
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return templates.TemplateResponse("index.html", {"request": request})
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@app.get("/health")
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async def health():
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"""Basic health check endpoint."""
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return {"status": "ok", "service": "slmm-nl43-addon"}
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@app.get("/health/devices")
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async def health_devices():
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"""Enhanced health check that tests device connectivity."""
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from sqlalchemy.orm import Session
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from app.database import SessionLocal
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from app.services import NL43Client
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from app.models import NL43Config
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db: Session = SessionLocal()
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device_status = []
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try:
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configs = db.query(NL43Config).filter_by(tcp_enabled=True).all()
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for cfg in configs:
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client = NL43Client(cfg.host, cfg.tcp_port, timeout=2.0)
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status = {
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"unit_id": cfg.unit_id,
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"host": cfg.host,
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"port": cfg.tcp_port,
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"reachable": False,
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"error": None,
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}
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try:
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# Try to connect (don't send command to avoid rate limiting issues)
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import asyncio
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reader, writer = await asyncio.wait_for(
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asyncio.open_connection(cfg.host, cfg.tcp_port), timeout=2.0
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)
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writer.close()
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await writer.wait_closed()
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status["reachable"] = True
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except Exception as e:
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status["error"] = str(type(e).__name__)
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logger.warning(f"Device {cfg.unit_id} health check failed: {e}")
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device_status.append(status)
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finally:
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db.close()
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all_reachable = all(d["reachable"] for d in device_status) if device_status else True
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return {
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"status": "ok" if all_reachable else "degraded",
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"devices": device_status,
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"total_devices": len(device_status),
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"reachable_devices": sum(1 for d in device_status if d["reachable"]),
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}
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run("app.main:app", host="0.0.0.0", port=int(os.getenv("PORT", "8100")), reload=True)
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