restart-router.py

#!/usr/bin/env python
"""
    Restart router when it goes offline 
    Runs on orange pi zero v1
"""

import os
import sys

if not os.getegid() == 0:
    sys.exit('Script must be run as root')


import pyping
from time import sleep
from pyA20.gpio import gpio
from pyA20.gpio import port


gpio.init()
gpio.setcfg(port.PA12, gpio.OUTPUT)
gpio.setcfg(port.STATUS_LED, gpio.OUTPUT)


def flash_status_led(times):
    for i in range(times):
        gpio.output(port.STATUS_LED, gpio.HIGH)
        sleep(0.1)
        gpio.output(port.STATUS_LED, gpio.LOW)
        sleep(0.1)


def is_online():
    r = pyping.ping('192.168.1.1')
    online = r.ret_code == 0
    print ("Online: {}".format(online))
    return online



def trigger_relay():
    gpio.output(port.PA12, gpio.HIGH)
    sleep(0.3)
    gpio.output(port.PA12, gpio.LOW)
    sleep(0.6)


 
try:
    print ("Press CTRL+C to exit")
    while True:
        
        flash_status_led(3)
        if is_online():
            sleep(300)
        else:
            flash_status_led(5)
            trigger_relay()
            sleep(180)


except KeyboardInterrupt:
    print ("Goodbye.")