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#!/usr/bin/perl -w | |
# Author: Konrad "morsik" Mosoń <mosonkonrad@gmail.com> | |
# linked here: http://wiki.libvirt.org/page/Networking#Applying_modifications_to_the_network | |
use strict; | |
use warnings; | |
my $net = $ARGV[0]; | |
if (!defined($net)) | |
{ | |
print "Usage: $0 <network>\n"; | |
exit(1); | |
} | |
system('virsh', 'net-edit', $net); | |
my $re_mac = '[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}'; | |
my $re_host = '[a-zA-Z0-9._-]+'; | |
my $re_ip4 = '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'; | |
# format: <host mac='de:ad:be:ef:00:01' name='www.libvirt.org' ip='176.31.99.103' /> | |
my $dhcpconf = ""; | |
open(NET, "/etc/libvirt/qemu/networks/$net.xml"); | |
foreach (<NET>) | |
{ | |
if (/\s*<host\s+mac='($re_mac)'\s+name='($re_host)'\s+ip='($re_ip4)'\s*\/>/) | |
{ | |
$dhcpconf .= "$1,$3,$2\n"; | |
} | |
} | |
close(NET); | |
open(DHCP, ">", "/var/lib/libvirt/dnsmasq/$net.hostsfile"); | |
print(DHCP $dhcpconf); | |
close(DHCP); | |
print "\033[1;32m>>\033[1;37m reloading dnsmasq...\033[0m\n"; | |
my $pid; | |
open(DHCPPID, "/var/run/libvirt/network/$net.pid"); | |
my @dhcppid = <DHCPPID>; | |
if ($dhcppid[0] =~ /([0-9]+)/) | |
{ | |
$pid = $1; | |
} | |
close(DHCPPID); | |
system('kill', '-HUP', $pid); | |
print "\033[1;32m!!\033[1;37m done!\033[0m\n"; |
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