add-zone

#!/usr/local/bin/perl -w
#
# $Id$
#
# script to add zones to the database
#

use strict;
use HOSTDB;
use Getopt::Long;
use vars qw ($opt_delegated $opt_default_ttl $opt_ttl $opt_serial $opt_mname $opt_rname $opt_refresh $opt_retry $opt_expiry $opt_minimum $opt_owner $opt_force $opt_debug $opt_help);

my %o = ();
my $res = GetOptions (
	    "delegated=s",
	    "default_ttl=s",
	    "ttl=s",
	    "serial=s",
	    "mname=s",
	    "rname=s",
	    "refresh=s",
	    "retry=s",
	    "expiry=s",
	    "minimum=s",
	    "force",
	    "help"
	   );

#die ("$0: Parsing options failed\n") if ($res);

my $debug = defined ($opt_debug);
my $zonename = shift;
my $owner = shift;

sub usage
{
	my $msg = shift;
	# interpolation
	
	die(<<EOT);
${msg}Syntax: $0 [options] zonename owner
	options:
		--debug		debug
		--force		don\'t perform certain sanity checks (DUP checking)
	object modifiers :
		--delegated	Y or N
		--default_ttl	what to use for \$TTL - BIND parseable please
		--ttl		SOA TTL - BIND parseable please
		--serial	SOA serial - BIND parseable please
		--mname		SOA mname - BIND parseable please
		--rname		SOA rname - BIND parseable please
		--refresh	SOA refresh - BIND parseable please
		--retry		SOA retry - BIND parseable please
		--expiry	SOA expiry - BIND parseable please
		--minimum	SOA minimum - BIND parseable please

EOT
}

usage('') if ($opt_help);

my $hostdb = HOSTDB::DB->new (inifile => HOSTDB::get_inifile (),
			      debug => $debug
			     );

usage ("") if (! $zonename or ! $owner);
usage ("Invalid zonename '$zonename'\n\n") unless ($hostdb->is_valid_domainname ($zonename));

if (! $opt_force) {
	# do some extra sanity checks if not forced
	my $z = $hostdb->findzonebyname ($zonename);
	die ("$0: A zone with name '$zonename' already exists, use --force to add anyways.\n") if (defined ($z));
}

my $zone = $hostdb->create_zone ();
$zone->zonename ($zonename) or die ("$0: Invalid value - $zone->{error}\n");
$zone->owner ($owner) or die ("$0: Invalid value - $zone->{error}\n");

# defaults, set before checking if they are supplied
$zone->delegated ('N')		or die ("$0: Could not set default 'delegated': $zone->{error}\n");

# if a serial is supplied, use that one later - otherwise we must set something
my ($sec, $min, $hour, $mday, $mon, $year, $yday, $isdst) = localtime ();
$year += 1900;  # yes, this is Y2K safe (why do you even bother? this was written
		# in the year of 2002)
$mon++;
my $today = sprintf ("%.4d%.2d%.2d", $year, $mon, $mday);
$zone->serial ("${today}01") or die ("$0: Could not set default 'serial': $zone->{error}\n") if (! defined ($opt_serial));

# optional ones
$zone->delegated ($opt_delegated)	or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_delegated));
$zone->default_ttl ($opt_default_ttl)	or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_default_ttl));
$zone->ttl ($opt_ttl)			or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_ttl));
$zone->serial ($opt_serial)		or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_serial));
$zone->mname ($opt_mname)		or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_mname));
$zone->rname ($opt_rname)		or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_rname));
$zone->refresh ($opt_refresh)		or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_refresh));
$zone->retry ($opt_retry)		or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_retry));
$zone->expiry ($opt_expiry)		or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_expiry));
$zone->minimum ($opt_minimum)		or die ("$0: Invalid value - $zone->{error}\n") if (defined ($opt_minimum));

$zone->commit () or die ("$0: Could not commit zone object - $zone->{error}\n");

my @hosts_in_new_zone = $hostdb->findhostbywildcardname ("%.$zonename");

if (@hosts_in_new_zone) {
	print ("You should probably move the following hosts to the new zone '$zonename' :\n\n");

	printf "%-7s %-7s %-16s %s\n", "id", "partof", "ip", "hostname";
	foreach my $host (@hosts_in_new_zone) {
		printf "%-7s %-7s %-16s %s\n", $host->id (),
			defined ($host->partof ())?$host->partof ():"-",
			$host->ip (), $host->hostname ();
	}

	print ("\n\nThe easiest way to do that is to simply run 'housekeep-dnszone -n' (dry run) and then 'housekeep-dnszone' once.\n\n");
}

exit (0);