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101 lines
3.4 KiB
Perl
Executable file
101 lines
3.4 KiB
Perl
Executable file
#!/usr/bin/perl -w
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#
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# Copyright (C) 2008 Thomas Gutzler (thomas.gutzler@gmail.com)
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# original shell script by Jimmy Olsen
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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#
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# Plugin to monitor ping times
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#
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# Parameters:
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#
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# ping_args - Arguments to ping (default "-c 2 -w 1")
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# ping_args2 - Arguments after the host name (required for Solaris)
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# ping - Ping program to use
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# hosts - List of comma-separated hosts to ping (IP address or FQDN)
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# names - Friendly display name of each host given in the "hosts" parameter (comma-separated list)
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#
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# Arguments for Solaris:
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# ping_args -s
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# ping_args2 56 2
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#
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# Tips for very fast ping replies
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# (thanks to Alex Davies and Nicolai Langfeldt):
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# Apparently, old versions of munin can't handle scientific notation of values
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# so, if you're getting replies like this from your node:
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# site1.value 5.2e-05
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# and your graph looks like a flat line, remove the -o argument from graph_args
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#
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# Configuration example
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# [multiping]
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# env.hosts www.google.com,www.yahoo.com
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# env.names Google,Yahoo
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# env.ping_args -A -c 5 -w 2
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#
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#%# family=auto
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#%# capabilities=autoconf
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use strict;
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my @hosts = exists $ENV{hosts} ? split(/,/, $ENV{hosts}) : 'www.google.com.au';
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my @names = exists $ENV{names} ? split(/,/, $ENV{names}) : 'Google Australia';
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my $ping_cmd = exists $ENV{ping} ? $ENV{ping} : 'ping';
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my $ping_args = exists $ENV{ping_args} ? $ENV{ping_args} : '-c 2 -w 1';
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my $ping_args2 = exists $ENV{ping_args2} ? $ENV{ping_args2} : '';
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if ($#hosts != $#names) {
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print "unequal amount of hosts and names\n";
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exit 1;
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}
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if ((exists $ARGV[0]) && ($ARGV[0] eq "autoconf")) {
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my @ping = `$ping_cmd $ping_args $hosts[0] $ping_args2`;
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chomp @ping;
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my $ping = join(" ", @ping);
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if ($ping =~ m@min/avg/max@) {
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print "yes\n";
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exit 0;
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} else {
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print "no\n";
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exit 1;
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}
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}
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if ((exists $ARGV[0]) && ($ARGV[0] eq "config")) {
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print "graph_title Ping times\n";
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print "graph_args --base 1000 -o\n";
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print "graph_vlabel seconds\n";
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print "graph_category network\n";
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print "graph_info This graph shows ping RTT statistics.\n";
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for (my $site=1; $site<=$#hosts+1; $site++) {
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print "site$site.label $names[$site-1]\n";
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print "site$site.info Ping RTT statistics for $hosts[$site-1].\n";
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print "site$site.draw LINE2\n";
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print "site${site}_packetloss.label $names[$site-1] packet loss\n";
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print "site${site}_packetloss.graph no\n";
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}
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exit 0;
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}
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for (my $site=1; $site<=$#hosts+1; $site++) {
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my $host = $hosts[$site-1];
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my @ping = `$ping_cmd $ping_args $host $ping_args2`;
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chomp @ping;
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my $ping = join(" ", @ping);
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print "site".$site.".value ".($1 / 1000)."\n" if ($ping =~ m@min/avg/max.*\s\d+(?:\.\d+)?/(\d+(?:\.\d+)?)/\d+(?:\.\d+)?@);
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print "site".$site."_packetloss.value $1\n" if ($ping =~ /(\d+)% packet loss/);
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}
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