#!/usr/bin/perl
#
# Copyright (C) 2006-2007 Rodolphe Quiédeville <rodolphe@quiedeville.org>
#
# 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.
#
# $Log$
# Revision 1.0  2007/01/17 15:57:19  rodo
# Add total and correct family
#
# Revision 1.0  2006/04/30 22:44:19  rodo
# Created by Rodolphe Quiédeville
#
# Need to be run as root, add the following lines ...
#
# [mailman_subscribers]
# user root
#
# to /etc/munin/plugin-conf.d/munin-node
#
# Magic markers (optional - used by munin-config and some installation
# scripts):
#
#%# family=manual
#%# capabilities=autoconf

use strict;
my ($list,$desc,%lists,$label);

my $list_lists = "/usr/sbin/list_lists";
(-x $list_lists) || die "Can't exec $list_lists\n";

my $list_members = "/usr/sbin/list_members";
(-x $list_members) || die "Can't exec $list_members\n";

open(LL, "$list_lists|") or exit 4;
while (<LL>)
{
    ($list, $desc) = (/^\s+(.*?)\s-\s(.*)$/);
    $lists{$list} = $desc if ($list);
}
close(LL);

if ($ARGV[0] and $ARGV[0] eq "config" ){
    print "graph_title Mailman subscribers\n";
    print "graph_args --base 1000 -l 0\n";
    print "graph_scale yes\n";
    print "graph_vlabel subscribers\n";
    print "graph_category mailinglist\n";
    print "graph_total Total\n";
    print 'graph_info Plugin available at <a href="http://rodolphe.quiedeville.org/hack/munin/mailman/">http://rodolphe.quiedeville.org/hack/munin/mailman/</a>'."\n";

    my $num =0;
    while (($list,$desc) = each(%lists)) {
	$label=$list;
	$list=clean_name($list);
	print("$list.label $label\n");
	print("$list.info $desc\n");
	($num > 0) ? print("$list.draw STACK\n") : print("$list.draw AREA\n");
	$num++;
    }
    exit 0;
}

while (($list,$desc) = each(%lists)) {
    my $num = 0;
    open(LM, "$list_members $list|") or exit 4;
    while (<LM>)
    {
	$num++;
    }
    close(LL);

    $list=clean_name($list);
    print("$list.value $num\n");
}

sub clean_name
{
    # http://munin-monitoring.org/wiki/notes_on_datasource_names
    my $list = shift(@_);
    $list=~s/^[^A-Za-z_]/_/;
    $list=~s/[^A-Za-z0-9_]/_/g;
    return $list;
}