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|
#! /usr/bin/perl -wT
#
# check_atalk_ping plugin for nagios
#
# usage:
# check_atalk_ping atalkaddress
#
# Checks if an atalkhost responds to an atalk echo
# using "aecho"
#
# initial version: 23 October 2002 by Stefan Beck, IT Software Solutions
# current status: $Revision$
#
# Copyright Notice: GPL
#
BEGIN {
if ( $0 =~ m/^(.*?)[\/\\]([^\/\\]+)$/ ) {
$runtimedir = $1;
$PROGNAME = $2;
}
delete $ENV{'LANG'};
}
use strict;
use lib "/usr/local/nagios/libexec";
use utils qw($TIMEOUT %ERRORS &print_revision &support);
use vars qw($PROGNAME);
$PROGNAME = "check_atalk";
my (
$verbose, $host, $warning_avg, $warning_loss,
$critical_avg, $critical_loss, $count, $cmd,
$avg, $loss, $line
);
my ( $opt_c, $opt_w, $opt_H, $opt_p );
$opt_c = $opt_w = $opt_p = $opt_H = '';
sub print_help ();
sub print_usage ();
sub help ();
sub version ();
# Just in case of problems, let's not hang NetSaint
$SIG{'ALRM'} = sub {
print "Plugin Timeout\n";
exit 2;
};
alarm($TIMEOUT);
delete @ENV{ 'PATH', 'IFS', 'CDPATH', 'ENV', 'BASH_ENV' };
use Getopt::Long;
Getopt::Long::Configure( 'bundling', 'no_ignore_case' );
GetOptions(
"V|version" => \&version,
"h|help" => \&help,
"p|packets=i" => \$opt_p,
"c|critical=s" => \$opt_c,
"w|warning=s" => \$opt_w,
"H|hostname=s" => \$opt_H
);
# appletalk hostname ot address
$opt_H = shift unless ($opt_H);
unless ($opt_H) { print_usage (); exit $ERRORS{'UNKNOWN'}; }
if ( $opt_H && $opt_H =~ m/^([-a-zA-Z\.\:0-9]+)$/ ) {
$host = $1;
}
else {
print "$opt_H is not a valid host name\n";
exit $ERRORS{'UNKNOWN'};
}
# number of packets
$opt_p = 5 unless $opt_p;
if ( $opt_p && $opt_p =~ m/^([1-9]+[0-9]*)$/ ) {
$count = $1;
}
else {
print "$opt_p is not a valid packet number\n";
exit $ERRORS{'UNKNOWN'};
}
if ( $opt_w && $opt_w =~ m/^([1-9]+[0-9]*),([1-9][0-9]*)%$/ ) {
$warning_avg = $1;
$warning_loss = $2;
}
else {
print "$opt_w is not a valid threshold\n";
exit $ERRORS{'UNKNOWN'};
}
if ( $opt_c && $opt_c =~ m/^([1-9]+[0-9]*),([1-9][0-9]*)%$/ ) {
$critical_avg = $1;
$critical_loss = $2;
}
else {
print "$opt_c is not a valid threshold\n";
exit $ERRORS{'UNKNOWN'};
}
$cmd = "/usr/bin/aecho -c $count $host 2>&1 |";
print "$cmd\n" if ($verbose);
open CMD, $cmd;
while (<CMD>) {
print $_ if ($verbose);
$line = $_;
# 5 packets sent, 5 packets received, 0% packet loss
# round-trip (ms) min/avg/max = 0/0/0
if (/received, ([0-9]+)% packet loss/) {
$loss = $1;
}
if (/min\/avg\/max = [0-9]+\/([0-9]+)\/[0-9]+/) {
$avg = $1;
}
}
sub print_help() {
print_revision( $PROGNAME, '$Revision$ ' );
print "Copyright (c) 2002 Stefan Beck\n";
print "\n";
print "Check if an atalkhost responds to an atalk echo using\n";
print " aecho -c <packets> <atalkhost>\n";
print "\n";
print_usage ();
print "\n";
print "-H, --hostname=HOST\n";
print " host to ping\n";
print "-w, --warning=THRESHOLD\n";
print " warning threshold pair\n";
print "-c, --critical=THRESHOLD\n";
print " critical threshold pair\n";
print "-p, --packets=INTEGER\n";
print " number of ICMP ECHO packets to send (Default: 5)\n";
print "\n";
print
"THRESHOLD is <rta>,<pl>% where <rta> is the round trip average
travel\n";
print
"time (ms) which triggers a WARNING or CRITICAL state, and <pl>
is the\n";
print "percentage of packet loss to trigger an alarm state.\n";
print "\n";
support();
}
sub print_usage () {
print "$PROGNAME -H atalkhost -w <wrta>,<wpl>% -c <crta>,<cpl>%\n";
print " [-p packets] [-t timeout] [-L]\n";
print "$PROGNAME [-h | --help]\n";
print "$PROGNAME [-V | --version]\n";
}
sub version () {
print_revision( $PROGNAME, '$Revision$ ' );
exit $ERRORS{'OK'};
}
sub help () {
print_help ();
exit $ERRORS{'OK'};
}
my $state = "OK";
my $answer = undef;
if ( defined $loss && defined $avg ) {
if ( $loss >= $critical_loss ) {
$state = "CRITICAL";
}
elsif ( $avg >= $critical_avg ) {
$state = "CRITICAL";
}
elsif ( $loss >= $warning_loss ) {
$state = "WARNING";
}
elsif ( $avg >= $warning_avg ) {
$state = "WARNING";
}
else {
$state = "OK";
}
$answer = "Appletalk PING $state - Packet loss = $loss%, RTA = $avg
ms\n";
}
else {
$state = "UNKNOWN";
$answer = "UNKNOWN - $line";
}
print $answer;
exit $ERRORS{$state};
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