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|
#!/usr/bin/perl -I /root/tgmanage
use strict;
use Net::IP;
use NetAddr::IP;
use POSIX qw(strftime);
BEGIN {
require "include/config.pm";
eval {
require "include/config.local.pm";
};
}
my $serial = strftime("%Y%m%d", localtime(time())) . "01";
unless ( (($#ARGV == 0 ) || ( $#ARGV == 1))
&& (( $ARGV[0] eq "master" ) || ( $ARGV[0] eq "slave" )) )
{
print STDERR "Invalid usage!\ncat netnames.txt | $0 <master|slave> [basedir]\n";
exit 1;
}
my $role = $ARGV[0];
my $base = "/etc";
$base = $ARGV[1] if $#ARGV == 1;
$base .= "/" if not $base =~ m/\/$/ and not $base eq "";
print STDERR "Role is " . $role . "\n";
print STDERR "Base dir is " . $base . "\n";
my $bind_base = $base . "bind/";
my $dhcpd_base = $base . "dhcp/";
my $bind_conf_master = $bind_base . "conf-master/";
my $bind_conf_slave = $bind_base . "conf-slave/";
my $base_ipv4 = Net::IP->new( $nms::config::base_ipv4net );
my ($cp_oct, $cs_oct, $ct_oct) = ($nms::config::base_ipv4net =~ m/^(\d+)\.(\d+)\.(\d+)\..*/);
while ( <STDIN> ){
next if ( $_ =~ m/^(#|$)/); # comment or blank line
my $line = $_;
chomp $line;
# <v4 net> <v6 net> <network-name>
# 151.216.129.0/26 2a02:ed02:129a::/64 noc
# we assume not smaller than /64 on v6
die ("Invalid format on input.\n") if not $line =~ m/^((\d+\.){3}\d+\/\d+)\s+(([a-fA-F0-9]+\:){1,4}\:\/\d+)\s+([\w|-]+).*/;
my ( $v4_net, $v6_net, $name ) = ( $1, $3, $5 );
my $master_config = $bind_conf_master . $name . ".conf";
my $slave_config = $bind_conf_slave . $name . ".conf";
my $zone_file = $bind_base . "dynamic/$name.$nms::config::tgname.gathering.org.zone";
# DHCP4
my $dhcp_dynconf_dir = $dhcpd_base . "conf-v4/";
my $dhconfig = $dhcp_dynconf_dir . $name . ".conf";
if ( not -f $dhconfig ){
print STDERR "Creating file " . $dhconfig . "\n";
my $network = Net::IP->new($v4_net)->ip();
my $netmask = Net::IP->new($v4_net)->mask();
(my $first = NetAddr::IP->new($v4_net)->nth(3)) =~ s/\/[0-9]{1,2}//; # we reserve the three first addresses
(my $last = NetAddr::IP->new($v4_net)->last()) =~ s/\/[0-9]{1,2}//;
(my $gw = NetAddr::IP->new($v4_net)->first()) =~ s/\/[0-9]{1,2}//;
open DFILE, ">" . $dhconfig or die ( $! . " " . $dhconfig);
print DFILE <<"EOF";
zone $name.$nms::config::tgname.gathering.org {
primary $nms::config::ddns_to;
key DHCP_UPDATER;
}
subnet $network netmask $netmask {
option subnet-mask $netmask;
option routers $gw;
option domain-name "$name.$nms::config::tgname.gathering.org";
ddns-domainname "$name.$nms::config::tgname.gathering.org";
range $first $last;
}
EOF
close DFILE;
}
# DHCP6
$dhcp_dynconf_dir = $dhcpd_base . "conf-v6/";
$dhconfig = $dhcp_dynconf_dir . $name . ".conf";
if ( not -f $dhconfig ){
print STDERR "Creating file " . $dhconfig . "\n";
my $network = Net::IP->new($v6_net)->short();
my ($first, $last) = ("1000", "9999");
open DFILE, ">" . $dhconfig or die ( $! . " " . $dhconfig);
print DFILE <<"EOF";
zone $name.$nms::config::tgname.gathering.org {
primary $nms::config::ddns_to;
key DHCP_UPDATER;
}
subnet6 $v6_net {
option domain-name "$name.$nms::config::tgname.gathering.org";
range6 ${network}${first} ${network}${last};
}
EOF
close DFILE;
}
# Create zone files for bind9 on master/primary
if ( ( not -f $zone_file ) && ( $role eq "master" ) )
{
print STDERR "Creating file " . $zone_file . "\n";
open ZFILE, ">" . $zone_file or die ( $! . " " . $zone_file);
print ZFILE << "EOF";
; Base reverse zones are updated from dhcpd -- DO NOT TOUCH!
\$TTL 3600
@ IN SOA $nms::config::pri_hostname.$nms::config::tgname.gathering.org. abuse.gathering.org. (
$serial ; serial
3600 ; refresh
1800 ; retry
608400 ; expire
3600 ) ; minimum and default TTL
IN NS $nms::config::pri_hostname.$nms::config::tgname.gathering.org.
IN NS $nms::config::sec_hostname.$nms::config::tgname.gathering.org.
\$ORIGIN $name.$nms::config::tgname.gathering.org.
EOF
close ZFILE;
}
# Create bind9 configuration files for zones.
my $bind_file = "";
$bind_file = $master_config if ( $role eq "master");
$bind_file = $slave_config if ( $role eq "slave");
die ("WTF, role does not match 'master' or 'slave'" ) if ( $bind_file eq "");
if ( not -f $bind_file ){
print STDERR "Creating file " . $bind_file . "\n";
open NFILE, ">" . $bind_file or die ( $! . " " . $bind_file);
print NFILE <<"EOF";
zone "$name.$nms::config::tgname.gathering.org" {
allow-transfer { ns-xfr; };
EOF
if ( $role eq "master" ) {
print NFILE <<"EOF";
type master;
notify yes;
allow-update { key DHCP_UPDATER; };
file "dynamic/$name.$nms::config::tgname.gathering.org.zone";
};
EOF
} else {
print NFILE <<"EOF";
type slave;
notify no;
masters { master_ns; };
file "slave/$name.$nms::config::tgname.gathering.org.zone";
};
EOF
}
close NFILE;
}
}
|
