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#!/usr/bin/perl
#
# Module: vyatta-bridgegroup-dependency.pl
#
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2010 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Mohit Mehta
# Date: February 2010
# Description: To check dependency between bridge and interfaces assigned to it
#
# **** End License ****
#
use lib "/opt/vyatta/share/perl5/";
use Vyatta::Config;
use Vyatta::Misc;
use Getopt::Long;
use POSIX;
use strict;
use warnings;
sub check_bridge_interfaces {
my $bridge_intf = shift;
foreach my $name ( Vyatta::Misc::getInterfaces() ) {
my $intf = new Vyatta::Interface($name);
next unless $intf;
my $intf_bridge = undef;
$intf_bridge = $intf->bridge_grp();
if (defined $intf_bridge && $intf_bridge eq $bridge_intf) {
return "Interfaces are still assigned to bridge $bridge_intf";
}
}
return;
}
sub is_bridge_deleted {
my $bridge_name = shift;
my $config = new Vyatta::Config;
my @bridge_intfs = $config->listNodes("interfaces bridge");
my @orig_bridge_intfs = $config->listOrigNodes("interfaces bridge");
if (scalar(grep(/^$bridge_name$/, @bridge_intfs)) == 0) {
if (scalar(grep(/^$bridge_name$/, @orig_bridge_intfs)) > 0) {
# bridge deleted in proposed config
return;
}
}
exit 1;
}
#
# main
#
my ($error, $warning);
my ($no_interfaces_assigned, $bridge_interface, $bridge_notin_proposedcfg);
GetOptions( "no-interfaces-assigned!" => \$no_interfaces_assigned,
"bridge-interface=s" => \$bridge_interface,
"bridge-notin-proposedcfg!" => \$bridge_notin_proposedcfg);
die "undefined bridge interface" if ! defined $bridge_interface;
($error, $warning) = check_bridge_interfaces($bridge_interface)
if ($no_interfaces_assigned);
($error, $warning) = is_bridge_deleted($bridge_interface)
if ($bridge_notin_proposedcfg);
if (defined $warning) {
print "$warning\n";
}
if (defined $error) {
print "$error\n";
exit 1;
}
exit 0;
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