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+#!/bin/sh
+#
+# Copyright (C) 2006 Rodolphe Quiedeville <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.
+#
+#
+# Monitor number of vm running on a xen dom0.
+#
+# $Log$
+# Revision 1.0 2006/09/08 19:20:19 rodo
+# Created by Rodolphe Quiedeville
+#
+# Need to be run as root, add the following lines ...
+#
+# [xen*]
+# user root
+#
+# to /etc/munin/plugin-conf.d/munin-node
+#
+#
+# Parameters understood:
+#
+# config (required)
+# autoconf (optional - used by munin-config)
+#
+#
+# Magic markers (optional - used by munin-config and installation
+# scripts):
+#
+#%# family=auto
+#%# capabilities=autoconf
+
+XM="/usr/sbin/xm"
+
+if [ "$1" = "autoconf" ]; then
+ echo yes
+ exit 0
+fi
+
+if [ "$1" = "config" ]; then
+
+ echo 'graph_title Xen Virtual Machines'
+ echo 'graph_args --base 1000 -l 0'
+ echo 'graph_vlabel vm'
+ echo 'graph_category xen'
+ echo 'graph_info This graph shows how many virtual machines runs on dom0.'
+ echo 'domains.label vm'
+ exit 0
+fi
+
+domains=`$XM list | wc -l`
+
+echo -n "domains.value "
+echo $(($domains-2))