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Thomas Gutzler 2008-02-15 16:30:06 +01:00 • committed by Steve Schnepp
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commit 665430dec2
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#!/usr/bin/perl -w
#
# Copyright (C) 2008 Thomas Gutzler (thomas.gutzler@gmail.com)
# original shell script by Jimmy Olsen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2 dated June,
# 1991.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
# Plugin to monitor ping times
#
# Parameters:
#
# ping_args - Arguments to ping (default "-c 2 -w 1")
# ping_args2 - Arguments after the host name (required for Solaris)
# ping - Ping program to use
# host - Host to ping
#
# Arguments for Solaris:
# ping_args -s
# ping_args2 56 2
#
# Tips for very fast ping replies
# (thanks to Alex Davies and Nicolai Langfeldt):
# Apparently, old versions of munin can't handle scientific notation of values
# so, if you're getting replies like this from your node:
# site1.value 5.2e-05
# and your graph looks like a flat line, remove the -o argument from graph_args
#
# Configuration example
# [multiping]
# env.hosts www.google.com,www.yahoo.com
# env.names Google, Yahoo
# env.ping_args -A -c 5 -w 2
#
#%# family=auto
#%# capabilities=autoconf
use strict;
my @hosts = exists $ENV{hosts} ? split(/,/, $ENV{hosts}) : 'www.google.com.au';
my @names = exists $ENV{names} ? split(/,/, $ENV{names}) : 'Google Australia';
my $ping_cmd = exists $ENV{ping} ? $ENV{ping} : 'ping';
my $ping_args = exists $ENV{ping_args} ? $ENV{ping_args} : '-c 2 -w 1';
my $ping_args2 = exists $ENV{ping_args2} ? $ENV{ping_args2} : '';
if ($#hosts != $#names) {
print "unequal amount of hosts and names\n";
exit 1;
}
if ((exists $ARGV[0]) && ($ARGV[0] eq "autoconf")) {
my @ping = `$ping_cmd $ping_args $hosts[0] $ping_args2`;
chomp @ping;
my $ping = join(" ", @ping);
if ($ping =~ m@min/avg/max@) {
print "yes\n";
exit 0;
} else {
print "no\n";
exit 1;
}
}
if ((exists $ARGV[0]) && ($ARGV[0] eq "config")) {
print "graph_title Ping times\n";
print "graph_args --base 1000 -o\n";
print "graph_vlabel seconds\n";
print "graph_category network\n";
print "graph_info This graph shows ping RTT statistics.\n";
for (my $site=1; $site<=$#hosts+1; $site++) {
print "site$site.label $names[$site-1]\n";
print "site$site.info Ping RTT statistics for $hosts[$site-1].\n";
print "site$site.draw LINE2\n";
print "site${site}_packetloss.label $names[$site-1] packet loss\n";
print "site${site}_packetloss.graph no\n";
}
exit 0;
}
for (my $site=1; $site<=$#hosts+1; $site++) {
my $host = $hosts[$site-1];
my @ping = `$ping_cmd $ping_args $host $ping_args2`;
chomp @ping;
my $ping = join(" ", @ping);
print "site".$site.".value ".($1 / 1000)."\n" if ($ping =~ m@min/avg/max.*\s\d+(?:\.\d+)?/(\d+(?:\.\d+)?)/\d+(?:\.\d+)?@);
print "site".$site."_packetloss.value $1\n" if ($ping =~ /(\d+)% packet loss/);
}