Simple ping watchdog

watchdoge.py

#!/usr/bin/env python

import os
import datetime

address = '8.8.8.8'
ping_timeout = 5
attempts = 4
log_file = '/var/log/ping_test.log'

failed_attempts = 0

for i in range(0, attempts):
    result = os.system('/bin/ping -c 1 -w %i %s > /dev/null 2>&1' % (ping_timeout, address))
    if result != 0:
        failed_attempts += 1

if failed_attempts == attempts:
    with open(log_file, 'a') as logfile:
        now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M')
        logfile.write("%s 'ping %s' failed attempts: %i. Rebooting...\n" % (now, address, failed_attempts))
    os.system('/sbin/reboot')