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|
#!/usr/bin/perl
#
# Module: vyatta-show-vrrp.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) 2005, 2006, 2007 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Stig Thormodsrud
# Date: October 2007
# Description: display vrrp info
#
# **** End License ****
#
use lib "/opt/vyatta/share/perl5/";
use VyattaKeepalived;
use strict;
use warnings;
sub elapse_time {
my ($start, $stop) = @_;
my $seconds = $stop - $start;
my $string = '';
my $secs_min = 60;
my $secs_hour = $secs_min * 60;
my $secs_day = $secs_hour * 24;
my $secs_week = $secs_day * 7;
my $weeks = int($seconds / $secs_week);
if ($weeks > 0 ) {
$seconds = int($seconds % $secs_week);
$string .= $weeks . "w";
}
my $days = int($seconds / $secs_day);
if ($days > 0) {
$seconds = int($seconds % $secs_day);
$string .= $days . "d";
}
my $hours = int($seconds / $secs_hour);
if ($hours > 0) {
$seconds = int($seconds % $secs_hour);
$string .= $hours . "h";
}
my $mins = int($seconds / $secs_min);
if ($mins > 0) {
$seconds = int($seconds % $secs_min);
$string .= $mins . "m";
}
$string .= $seconds . "s";
return $string;
}
sub get_state_link {
my $intf = shift;
my $IFF_UP = 0x1;
my ($state, $link);
my $flags = `cat /sys/class/net/$intf/flags 2> /dev/null`;
my $carrier = `cat /sys/class/net/$intf/carrier 2> /dev/null`;
chomp $flags; chomp $carrier;
my $hex_flags = hex($flags);
if ($hex_flags & $IFF_UP) {
$state = "up";
} else {
$state = "admin down";
}
if ($carrier eq "1") {
$link = "up";
} else {
$link = "down";
}
return ($state, $link);
}
sub get_master_info {
my ($intf, $group) = @_;
my $file = VyattaKeepalived::get_master_file($intf, $group);
if ( -f $file) {
my $master = `grep ip.src $file`;
chomp $master;
if (defined $master and $master =~ m/show=\"(\d+\.\d+\.\d+\.\d+)\"/) {
$master = $1;
} else {
$master = "unknown";
}
my $priority = `grep vrrp.prio $file`;
chomp $priority;
if (defined $priority and $priority =~ m/show=\"(\d+)\"/) {
$priority = $1;
} else {
$priority = "unknown";
}
return ($master, $priority);
} else {
return ("unknown", "unknown");
}
}
sub vrrp_showsummary {
my ($file) = @_;
my ($start_time, $intf, $group, $state, $ltime) =
VyattaKeepalived::vrrp_state_parse($file);
my ($interface_state, $link) = get_state_link($intf);
if ($state eq "master" || $state eq "backup" || $state eq "fault") {
my ($primary_addr, $priority, $preempt, $advert_int, $auth_type,
@vips) = VyattaKeepalived::vrrp_get_config($intf, $group);
print "\n$intf\t\t$group\tint\t$primary_addr\t$link\t\t$state";
foreach my $vip (@vips){
print "\n\t\t\tvip\t$vip";
}
} else {
print "Physical interface $intf, State: unknown\n";
}
}
sub vrrp_show {
my ($file) = @_;
my $now_time = time;
my ($start_time, $intf, $group, $state, $ltime) =
VyattaKeepalived::vrrp_state_parse($file);
my ($interface_state, $link) = get_state_link($intf);
if ($state eq "master" || $state eq "backup" || $state eq "fault") {
my ($primary_addr, $priority, $preempt, $advert_int, $auth_type,
@vips) = VyattaKeepalived::vrrp_get_config($intf, $group);
print "Physical interface: $intf, Address $primary_addr\n";
print " Interface state: $link, Group $group, State: $state\n";
print " Priority: $priority, Advertisement interval: $advert_int, ";
print "Authentication type: $auth_type\n";
my $vip_count = scalar(@vips);
my $string = " Preempt: $preempt, VIP count: $vip_count, VIP: ";
my $strlen = length($string);
print $string;
foreach my $vip (@vips) {
if ($vip_count != scalar(@vips)) {
print " " x $strlen;
}
print "$vip\n";
$vip_count--;
}
if ($state eq "master") {
print " Master router: $primary_addr\n";
} elsif ($state eq "backup") {
my ($master_rtr, $master_prio) = get_master_info($intf, $group);
print " Master router: $master_rtr, ";
print "Master Priority: $master_prio\n";
}
} else {
print "Physical interface $intf, State: unknown\n";
}
my $elapsed = elapse_time($start_time, $now_time);
print " Last transition: $elapsed\n\n";
}
#
# main
#
my $intf = "eth";
my $group = "all";
my $showsummary = 0;
if ($#ARGV >= 0) {
if ($ARGV[0] eq "summary") {
$showsummary = 1;
} else {
$intf = $ARGV[0];
}
}
if ($#ARGV == 1) {
$group = $ARGV[1];
}
if (!VyattaKeepalived::is_running()) {
print "VRRP isn't running\n";
exit 1;
}
if ($showsummary == 1) {
print "\t\tVRRP\tAddr\t\t\tInterface\tVRRP\n";
print "Interface\tGroup\tType\tAddress\t\tState\t\tState\n";
print "---------\t-----\t----\t-------\t\t-----\t\t-----";
}
my @state_files = VyattaKeepalived::get_state_files($intf, $group);
foreach my $state_file (@state_files) {
if ($showsummary == 1) {
vrrp_showsummary($state_file);
} else {
vrrp_show($state_file);
}
}
exit 0;
#end of file
|
