mitlist/be/app/api/v1/endpoints/health.py

28 lines
1.1 KiB
Python

import logging
from fastapi import APIRouter, Depends
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.sql import text
from app.database import get_transactional_session
from app.schemas.health import HealthStatus
from app.core.exceptions import DatabaseConnectionError
logger = logging.getLogger(__name__)
router = APIRouter()
@router.get(
"/health",
response_model=HealthStatus,
summary="Perform a Health Check",
description="Checks the operational status of the API and its connection to the database.",
tags=["Health"]
)
async def check_health(db: AsyncSession = Depends(get_transactional_session)):
"""
Health check endpoint. Verifies API reachability and database connection.
"""
result = await db.execute(text("SELECT 1"))
if result.scalar_one() == 1:
logger.info("Health check successful: Database connection verified.")
return HealthStatus(status="ok", database="connected")
logger.error("Health check failed: Database connection check returned unexpected result.")
raise DatabaseConnectionError("Unexpected result from database connection check")