A python script to follow Linksys Velop's log printed by sysinfo.cgi

velop_log.py

import requests
import time
from datetime import datetime, timedelta
from requests.auth import HTTPBasicAuth

last_time = datetime.min
last_message = ''

while True:
    basic = HTTPBasicAuth('admin', '${velop_password}')
    r = requests.get('http:/${velop_address}/sysinfo.cgi', stream=True, auth=basic, headers={'Connection':'close'})

    start_log = False
    for line in r.iter_lines():
        if not line:
            continue

        line = line.decode('utf-8')

        if 'tail -200 /var/log/messages' in line:
            start_log = True
            continue
        
        if line.startswith('====='):
            break

        if not start_log:
            continue

        dt = datetime.strptime(line[:15], '%b %d %H:%M:%S')
        dt = dt.replace(year=2022)
        if last_time != datetime.min and dt > last_time and (dt - last_time).seconds >= 360:
            # Sometimes the timestamp is not UTC and is actually a few seconds ealier than last_time...
            dt = last_time

        message = line[15:].strip()

        if dt < last_time or (dt == last_time and message == last_message):
            continue
        
        if 'EthUtil returns multiple MACs' not in line:
            print(line)

        last_time = dt
        last_message = message

    r.close()
    time.sleep(1)