Icinga/Nagios plugin to check MDB database

This script could be used as Icinga/Nagios check plugin to check MDB database.

This script use mdb_stat utility to do this check.

Note : mdb_stat is not available on Debian Wheezy but it could be backport from Jessie.


apt-get -y install lmdb-utils bc
git clone /usr/local/src/check_mdb
mkdir -p /usr/local/lib/nagios/plugins
ln -s /usr/local/src/check_mdb/check_mdb /usr/local/lib/nagios/plugins/
echo "nagios ALL=NOPASSWD: /usr/local/lib/nagios/plugins/check_mdb" > /etc/sudoers.d/nagios-slapd-mdb
chmod 0400 /etc/sudoers.d/nagios-slapd-mdb
echo "command[check_mdb]=sudo /usr/local/lib/nagios/plugins/check_mdb" > /etc/nagios/nrpe.d/ldap-mdb.cfg
service nagios-nrpe-server reload


Usage : check_mdb [-d] [-h] [-w warning] [-c critical] [options]
    -u          Sudo as specified user to run mdb_stat
    -s          Path to mdb_stat (Default : auto-detected)
    -p          Database path (Default : /var/lib/ldap)
    -w          Used pages percentage warning limit (Default: 70)
    -c          Used pages percentage critical limit (Default: 90)
    -d          Debug mode
    -h          Show this message


Copyright (c) 2020 Benjamin Renard


This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 3 as published by the Free Software Foundation.

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.