/usr/share/munin/plugins/asterisk_channels is in munin-plugins-extra 2.0.25-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | #!/usr/bin/perl -w
# -*- perl -*-
=head1 NAME
asterix_channels - Plugin to monitor number of active channels
=head1 CONFIGURATION
The following configuration parameters are used by this plugin
[asterisk_channels]
env.host - hostname to connect to
env.port - port number to connect to
env.username - username used for authentication
env.secret - secret used for authentication
The "username" and "secret" parameters are mandatory, and have no
defaults.
=head2 DEFAULT CONFIGURATION
[asterisk_channels]
env.host 127.0.0.1
env.port 5038
=head1 AUTHOR
Copyright (C) 2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
=head1 LICENSE
Gnu GPLv2
=begin comment
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
If you improve this script please send your version to my email
address with the copyright notice upgrade with your name.
=end comment
=head1 MAGIC MARKERS
#%# family=contrib
=cut
use IO::Socket;
use strict;
if ($ARGV[0] and $ARGV[0] eq "config")
{
print "graph_title Asterisk active channels\n";
print "graph_args --base 1000 -l 0\n";
print "graph_vlabel channels\n";
print "graph_category asterisk\n";
print "channels.draw AREA\n";
print "channels.label channels\n";
exit 0;
}
my $host = exists $ENV{'host'} ? $ENV{'host'} : "127.0.0.1";
my $port = exists $ENV{'port'} ? $ENV{'port'} : "5038";
my $username = $ENV{'username'};
my $secret = $ENV{'secret'};
my $pop = new IO::Socket::INET (PeerAddr => $host,
PeerPort => $port,
Proto => 'tcp');
die "Could not create socket: $!\n" unless $pop;
## Read connection message.
my $line = $pop->getline;
die $line unless $line =~ /^Asterisk/;
## Send user name.
$pop->print("Action: login\n");
$pop->print("Username: $username\n");
$pop->print("Secret: $secret\n");
$pop->print("Events: off\n");
$pop->print("\n");
#Response: Success
#Message: Authentication accepted
## Request status of messages.
$pop->print("Action: command\n");
$pop->print("Command: core show channels\n");
$pop->print("\n");
my $result;
while (($line = $pop->getline) and ($line !~ /END COMMAND/o))
{
#print $line;
$result = $line if $line =~ /active channel/;
}
my $nb = (split ' ',$result)[0];
$pop->print("Action: logoff\n");
$pop->print("\n");
## Exhaust buffer before closing (to avoid polluting Asterisk's logs)
while ($line = $pop->getline) {}
print "channels.value $nb\n";
# vim:syntax=perl
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