#!/usr/local/bin/bash
#
# check_freebsd_jails - nagios plugin
#
# Copyright (C) 2008, 2009 Björn Becker,
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# 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.
#
#
# Problems write to: bjoern.(.at.).becker-home.org
#
# 14.12.2009 Version 0.1
#
#
# This tool tests if a jail is running
#

#vars 
path_jls='/usr/sbin/jls'
command=$1
IFS=$'\n'

# function help
function help
{
    echo -en "$0 - Bjoern Becker (Version 0.1 - 14.12.09)\n"
    echo -en "Usage: $0 <show|jailname>\n"

    exit 3
}

# call help
if [ "$1" == "" -o "$1" == "-h" ]
then 
    help
fi

# check and call jls
if [ -r $path_jls ]
then
    jls=`$path_jls`
else
    echo -en "jls is not in $path_jls\n"
fi

# test jails
for jail in $jls
do
    tmp=`echo $jail | tr -s " " ","`
    jid=`echo $tmp | cut -d, -f 2`
    ip=`echo $tmp | cut -d, -f 3`
    name=`echo $tmp | cut -d, -f 4`
    path=`echo $tmp | cut -d, -f 5`

    if [ "$command" == "show" ] 
    then
        echo $jid $ip $name $path
    else
	if [ "$name" == "$command" ] 
	then
	    echo -en "Jail $name ($ip) is running under JID $jid in $path\n"
	    exit 0 
	fi
    fi
done

# show command
if [ "$command" != "show" ] 
then
    echo "$command is not running"
    exit 1
fi