majuna/app/terraform/alarms/proxy_http_status.py

65 lines
2.1 KiB
Python

from typing import Tuple
import requests
from app.extensions import db
from app.models.alarms import Alarm, AlarmState
from app.models.mirrors import Proxy
from app.terraform import BaseAutomation
def set_http_alarm(proxy_id: int, state: AlarmState, text: str):
alarm = Alarm.query.filter(
Alarm.proxy_id == proxy_id,
Alarm.alarm_type == "http-status"
).first()
if alarm is None:
alarm = Alarm()
alarm.proxy_id = proxy_id
alarm.alarm_type = "http-status"
alarm.target = "proxy"
db.session.add(alarm)
alarm.update_state(state, text)
class AlarmProxyHTTPStatusAutomation(BaseAutomation):
short_name = "alarm_http_status"
description = "Check all deployed proxies for HTTP status code"
def automate(self, full: bool = False) -> Tuple[bool, str]:
proxies = Proxy.query.filter(
Proxy.destroyed == None
)
for proxy in proxies:
try:
if proxy.url is None:
continue
r = requests.get(proxy.url,
allow_redirects=False,
timeout=5)
r.raise_for_status()
if r.is_redirect:
set_http_alarm(
proxy.id,
AlarmState.CRITICAL,
f"{r.status_code} {r.reason}"
)
else:
set_http_alarm(
proxy.id,
AlarmState.OK,
f"{r.status_code} {r.reason}"
)
except requests.HTTPError:
set_http_alarm(
proxy.id,
AlarmState.CRITICAL,
f"{r.status_code} {r.reason}"
)
except (requests.ConnectionError, requests.Timeout, ConnectionError) as e:
set_http_alarm(
proxy.id,
AlarmState.CRITICAL,
repr(e)
)
return True, ""