Files
infrapuzzle/projects/duckdb-backend/app/main.py
T

68 lines
2.1 KiB
Python

from __future__ import annotations
import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.config import DATA_DIR, WIKI_DIR
from app.engine import DuckDBEngine
from app.git_sync import GitSyncManager
from app.routes.dashboard import router as dashboard_router
from app.routes.entities import router as entities_router
from app.routes.events import router as events_router
from app.routes.query import router as query_router
from app.routes.system import router as system_router
logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(name)s: %(message)s")
logger = logging.getLogger("duckdb_backend")
@asynccontextmanager
async def lifespan(app: FastAPI):
logger.info("Initializing DuckDB Backend...")
git_sync = GitSyncManager(
wiki_dir=WIKI_DIR,
on_data_pulled=lambda: app.state.engine.reload_all() if hasattr(app.state, "engine") else None,
)
git_sync.ensure_repo()
app.state.git_sync = git_sync
engine = DuckDBEngine(data_dir=DATA_DIR, git_sync_manager=git_sync)
app.state.engine = engine
await git_sync.start_periodic_sync()
logger.info("DuckDB Backend is ready to serve queries.")
yield
logger.info("Shutting down DuckDB Backend...")
await git_sync.stop_periodic_sync()
app = FastAPI(
title="DuckDB Backend for Knowledge Wiki",
version="1.0.0",
description="HTTP-based analytical and transactional backend for personal logging data powered by DuckDB",
lifespan=lifespan,
)
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# API v1 prefix
v1_router = FastAPI()
app.include_router(dashboard_router, prefix="/duckdb-api/v1")
app.include_router(query_router, prefix="/duckdb-api/v1")
app.include_router(events_router, prefix="/duckdb-api/v1")
app.include_router(entities_router, prefix="/duckdb-api/v1")
app.include_router(system_router, prefix="/duckdb-api/v1")
# Direct root health probes for Kubernetes
app.include_router(system_router)