#!/bin/sh -x

# External FENCE module for container-tools a open-infrastrucutre-container-tools managed
# systemd nspawn container environment.
#
# Copyright (C) 2021 David Kunz <david.kunz@bfh.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

set -e

PROJECT="open-infrastructure"
PROGRAM="fence"
COMMAND="$(basename ${0})"

export SENDER_IP="$(echo ${SSH_CLIENT} | awk '{ print $1 }')"

# Parameter
PARAMETER="${1}"

if [ -z "${PARAMETER}" ]
then
	echo "Usage: ${PROGRAM} COMMAND [OPTIONS]" >&2
	echo "Usage: ${PROGRAM} COMMAND1,COMMAND2,... [COMMON_OPTIONS]" >&2
	echo
	echo "See ${PROGRAM}(1) and ${PROJECT}(7) for more information."
	exit 1
fi

# Command
COMMANDS="${1}"

# Options
shift 1
OPTIONS="${*}"

for COMMAND in $(echo "${COMMANDS}" | sed -e 's|,| |g')
do
	if [ ! -e "/usr/share/compute-tools/${PROGRAM}/${COMMAND}" ]
	then
		echo "'${COMMAND}': no such ${PROGRAM} command, see fence(1)." >&2
		exit 1
	fi

	"/usr/share/compute-tools/${PROGRAM}/${COMMAND}" "${OPTIONS}"

done