Restart Wordpress if it is serving HTTP 500s

restart-on-http-500.py

#! /usr/bin/env python3
import requests
from requests.adapters import HTTPAdapter, Retry
import os

s = requests.Session()

retries = Retry(total=5,
                backoff_factor=0.1,
                status_forcelist=[ 500, 502, 503, 504 ])

s.mount('https://', HTTPAdapter(max_retries=retries))

r = s.head("https://blog.ninux.org")

if r.status_code == 500:
    os.system("systemctl restart apache2")
    os.system("systemctl restart mysql")