update_apache.py

#!/usr/local/bin/python3

import socket
import subprocess

remote_names=['home.themillikens.com','plex.iyeman.net']
debug=False

def update(hostname):
  try:
    addr = socket.gethostbyname(hostname)
  except:
    print ('error resolving '+hostname)
    return
  grep=subprocess.run("grep "+hostname+" wilpig.com.conf -B1",shell=True,capture_output=True)
  if debug:
    print (grep)
  if grep.returncode == 0:
     if debug:
       print(grep.stdout.decode())
     if addr not in grep.stdout.decode():
       if debug:
         print ('update address')
       replace_cmd='sed -i "" "s/'+grep.stdout.decode().split("\n")[0]+'/        Require ip '+addr+'/" wilpig.com.conf'
       sed=subprocess.run(replace_cmd,shell=True,capture_output=True)
       if sed.returncode == 0:
         print (hostname+' updated to '+addr)
       else:
         print ('sed failed '+str(sed.returncode)+' '+sed.stdout.decode())
  else:
    print (hostname+' not found in wilpig.com.conf')

for x in remote_names:
   update(x)