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#!/bin/sh
# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2018 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# SPDX-License-Identifier: GPL-3.0+
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
set -e
COMMAND="$(basename ${0})"
CONFIG="/etc/systemd/nspawn"
HOOKS="/etc/container-tools/hooks"
Parameters ()
{
GETOPT_LONGOPTIONS="force,start,stop,"
GETOPT_OPTIONS="f,s,t,"
PARAMETERS="$(getopt --longoptions ${GETOPT_LONGOPTIONS} --name=${COMMAND} --options ${GETOPT_OPTIONS} --shell sh -- ${@})"
if [ "${?}" != "0" ]
then
echo "'${COMMAND}': getopt exit" >&2
exit 1
fi
eval set -- "${PARAMETERS}"
while true
do
case "${1}" in
-f|--force)
FORCE="true"
shift 1
;;
-s|--start)
ACTION="start"
shift 1
;;
-t|--stop)
ACTION="stop"
shift 1
;;
--)
shift 1
break
;;
*)
echo "'${COMMAND}': getopt error" >&2
exit 1
;;
esac
done
}
Usage ()
{
echo "Usage: container ${COMMAND} -f|--force -s|--start -t|--stop" >&2
exit 1
}
Parameters "${@}"
if [ -z "${ACTION}" ]
then
Usage
fi
HOST="$(hostname -f)"
# Pre hooks
for FILE in "${HOOKS}/pre-${COMMAND}".* "${HOOKS}/${NAME}.pre-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
# Run
OPTIONS=""
case "${FORCE}" in
true)
OPTIONS="${OPTIONS} -f"
;;
esac
for FILE in "${CONFIG}"/*.nspawn
do
if grep -Eqs "^ *cnt.auto=force-true" "${FILE}"
then
OPTIONS="${OPTIONS} -f"
fi
if grep -Eqs "^ *cnt.auto=(force-true|true)" "${FILE}" && grep -Eqs "^ *cnt.container-server=${HOST}" "${FILE}"
then
CONTAINER="$(basename ${FILE} .nspawn)"
cnt ${ACTION} -n ${CONTAINER} ${OPTIONS} || true
fi
done
# Post hooks
for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
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