1 files changed, 89 insertions, 0 deletions
diff --git a/scripts/keepalived/vyatta-vrrp-state.pl b/scripts/keepalived/vyatta-vrrp-state.pl
new file mode 100755
index 00000000..1f5ae6cb
--- /dev/null
+++ b/scripts/keepalived/vyatta-vrrp-state.pl
@@ -0,0 +1,89 @@
+#!/usr/bin/perl
+#
+# Module: vyatta-vrrp-state.pl
+# 
+# **** License ****
+# Version: VPL 1.0
+# 
+# The contents of this file are subject to the Vyatta Public License
+# Version 1.0 ("License"); you may not use this file except in
+# compliance with the License. You may obtain a copy of the License at
+# http://www.vyatta.com/vpl
+# 
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+# 
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
+# All Rights Reserved.
+# 
+# Author: Stig Thormodsrud
+# Date: October 2007
+# Description: Script called on vrrp master state transition
+# 
+# **** End License ****
+#
+
+use lib "/opt/vyatta/share/perl5/";
+use VyattaKeepalived;
+use POSIX;
+
+use strict;
+use warnings;
+
+
+sub snoop_for_master {
+    my ($intf, $group, $vip, $file) = @_;
+    
+    my $cap_filt = "-f \"host 224.0.0.18 and proto VRRP\"";
+    my $dis_filt = "-R \"vrrp.virt_rtr_id == $group and vrrp.ip_addr == $vip\""; 
+    my $cmd = "tshark -a duration:60 -p -i$intf -c1 -T pdml $cap_filt $dis_filt";
+    system("$cmd > $file 2> /dev/null");
+}
+
+sub vrrp_state_log {
+    my ($state, $intf, $group) = @_;
+
+    my $timestamp = strftime("%Y%m%d-%H:%M.%S", localtime);    
+    my $file = VyattaKeepalived::get_state_file($intf, $group);
+    my $time = time();
+    my $line = "$time $intf $group $state $timestamp";
+    open my $fh, ">", $file;
+    print $fh $line;
+    close $fh;
+}
+
+my $vrrp_state = $ARGV[0];
+my $vrrp_intf  = $ARGV[1];
+my $vrrp_group = $ARGV[2];
+my $vrrp_vip   = $ARGV[3];
+
+my $sfile = VyattaKeepalived::get_state_file($vrrp_intf, $vrrp_group);
+my ($old_time, $old_intf, $old_group, $old_state, $old_ltime) = 
+    VyattaKeepalived::vrrp_state_parse($sfile);
+if (defined $old_state and $vrrp_state eq $old_state) {
+    # 
+    # restarts call the transition script even if it really hasn't
+    # changed.
+    #
+    exit 0;
+}
+
+VyattaKeepalived::vrrp_log("$vrrp_intf $vrrp_group transition to $vrrp_state");
+vrrp_state_log($vrrp_state, $vrrp_intf, $vrrp_group);
+my $mfile = VyattaKeepalived::get_master_file($vrrp_intf, $vrrp_group);
+if ($vrrp_state eq "backup") {
+    snoop_for_master($vrrp_intf, $vrrp_group, $vrrp_vip, $mfile);
+} elsif ($vrrp_state eq "master") {
+    system("rm -f $mfile");
+}
+
+exit 0;
+
+# end of file
+
+
+
+