lego-monitoring/src/lego_monitoring/__init__.py
2025-05-10 22:43:29 +03:00

81 lines
2.3 KiB
Python

import argparse
import asyncio
import datetime
import logging
import signal
from . import checks
from .alerting import alerts
from .checks.temp.sensors import print_readings
from .config import load_config
from .core import cvars
from .core.checkers import interval_checker
stopping = False
def stop_gracefully(signum, frame):
global stopping
stopping = True
def main() -> None:
logging.basicConfig(level=logging.INFO)
asyncio.run(async_main())
async def async_main():
parser = argparse.ArgumentParser(
prog="lego-monitoring",
description="Lego-monitoring service",
)
parser.add_argument("-c", "--config", help="config file")
parser.add_argument("--print-temp", help="print temp sensor readings and exit", action="store_true")
args = parser.parse_args()
if args.config:
config_path = parser.parse_args().config
config = load_config(config_path)
cvars.config.set(config)
if args.print_temp:
print_readings()
raise SystemExit
if not args.config:
raise RuntimeError("--config must be specified in standard operating mode")
tg_client = await alerts.get_client()
cvars.tg_client.set(tg_client)
checker_sets = {
"start": [
alerts.send_start_alert(),
],
"stop": [], # this is checked later
"temp": [interval_checker(checks.temp_check, datetime.timedelta(minutes=5))],
"vulnix": [interval_checker(checks.vulnix_check, datetime.timedelta(days=3))],
"cpu": [interval_checker(checks.cpu_check, datetime.timedelta(minutes=5))],
}
checkers = []
for enabled_set in config.enabled_check_sets:
for checker in checker_sets[enabled_set]:
checkers.append(checker)
signal.signal(signal.SIGTERM, stop_gracefully)
async with asyncio.TaskGroup() as tg:
checker_tasks: set[asyncio.Task] = set()
for c in checkers:
task = tg.create_task(c)
checker_tasks.add(task)
while True:
if stopping:
if "stop" in config.enabled_check_sets:
await alerts.send_stop_alert()
await tg_client.disconnect()
raise SystemExit
else:
await asyncio.sleep(3)