#!/bin/bash

# Copyright (C) 2016 Mohamed El Morabity <melmorabity@fedoraproject.com>
#
# This module 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 3 of the License, or (at your option) any later
# version.
#
# This software 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, see <http://www.gnu.org/licenses/>.


PLUGINDIR=/usr/lib/nagios/plugins/
. $PLUGINDIR/utils.sh


status=$(systemctl list-units --failed --no-legend --plain | cut -f1 -d" " |xargs)
r=$?

while getopts "w" opt; do
	case $opt in
	w)
		# Whitelist einlesen
		readarray -t units < /etc/icinga2/service_whitelist
	esac
	status=( $(systemctl list-units --failed --no-legend --plain ${units[*]}| cut -f1 -d" " |xargs) )
	r=$?
done

if [ $r -ne 0 ]; then
	echo "UNKNOWN: Check command failed."
	exit $STATE_UNKNOWN
fi

if [ -z "$status" ]; then
	echo "OK: No Failed Units."
	exit $STATE_OK
else
	echo "CRITICAL: Some units failed. ${status[*]}."
	exit $STATE_CRITICAL
fi

echo "OK: service $service is running"
exit $STATE_OK