#!/usr/bin/python

import commands
import os
import time
import sys

if len(sys.argv) <= 3:
	print "Usage: updatettls.py <OLD_IP> <NEW_IP> <FILE>\n\n"
	sys.exit(1)
else:
	oldip = sys.argv[1]
	newip = sys.argv[2]
	fname = sys.argv[3]

date = time.strftime("%Y%m%d%H")

f = open(fname, "r")
data = f.readline()

domains = data.split(" ")

print "Changing IPs in zone files..."

for domain in domains:
	domain = domain.rstrip()
	file = "/var/named/%s.db" %domain
	os.system("sed -i -e 's/[0-9]\{10\}/%s/' %s" %(date, file))
	os.system("sed -i -e 's/%s/%s/' %s" %(oldip, newip, file))
	os.system("rndc reload %s" %domain)

print
print "IP adjustment done.\n"