Pouzor
70 lines
2.6 KiB
Python
70 lines
2.6 KiB
Python
"""APScheduler setup for background scan and status check jobs."""
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import logging
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from datetime import datetime, timezone
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from apscheduler.schedulers.asyncio import AsyncIOScheduler
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from sqlalchemy import select
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from app.core.config import settings
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from app.db.database import AsyncSessionLocal
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from app.db.models import Node
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from app.services.status_checker import check_node
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logger = logging.getLogger(__name__)
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scheduler: AsyncIOScheduler = AsyncIOScheduler()
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async def _run_status_checks() -> None:
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"""Check all nodes and broadcast results via WebSocket."""
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from app.api.routes.status import broadcast_status # avoid circular import
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async with AsyncSessionLocal() as db:
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result = await db.execute(select(Node))
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nodes = result.scalars().all()
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for node in nodes:
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if not node.check_method:
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continue
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try:
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check_result = await check_node(node.check_method, node.check_target, node.ip)
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async with AsyncSessionLocal() as db:
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n = await db.get(Node, node.id)
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if n:
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n.status = check_result["status"]
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n.response_time_ms = check_result["response_time_ms"]
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n.last_seen = datetime.now(timezone.utc) if check_result["status"] == "online" else n.last_seen
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await db.commit()
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await broadcast_status(
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node_id=node.id,
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status=check_result["status"],
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checked_at=datetime.now(timezone.utc).isoformat(),
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response_time_ms=check_result["response_time_ms"],
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)
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except Exception as exc:
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logger.error("Status check failed for node %s: %s", node.id, exc)
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def start_scheduler() -> None:
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global scheduler
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if scheduler.running:
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scheduler.shutdown(wait=False)
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scheduler = AsyncIOScheduler()
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scheduler.add_job(_run_status_checks, "interval", seconds=settings.status_checker_interval, id="status_checks")
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scheduler.start()
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logger.info("Scheduler started — status checks every %ds", settings.status_checker_interval)
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def reschedule_status_checks(interval_seconds: int) -> None:
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"""Update the status check interval on the running scheduler."""
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if not scheduler.running:
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logger.warning("Scheduler not running, skipping reschedule")
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return
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scheduler.reschedule_job("status_checks", trigger="interval", seconds=interval_seconds)
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logger.info("Status checks rescheduled to every %ds", interval_seconds)
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def stop_scheduler() -> None:
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if scheduler.running:
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scheduler.shutdown(wait=False)
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