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|
#!/bin/sh
# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2016 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# 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 ${0})"
CONFIG="/etc/container-tools/config"
MACHINES="/var/lib/machines"
CLEAN="false"
Parameters ()
{
GETOPT_LONGOPTIONS="name:,force,clean,"
GETOPT_OPTIONS="n:,f,"
PARAMETERS="$(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 "${1}" in
-n|--name)
NAME="${2}"
shift 2
;;
-f|--force)
FORCE="true"
;;
--clean)
# internal option
CLEAN="true"
shift 1
;;
--)
shift 1
break
;;
*)
echo "'${COMMAND}': getopt error" >&2
exit 1
;;
esac
done
}
Usage ()
{
echo "Usage: container ${COMMAND} -n|--name NAME [-f|--force]" >&2
exit 1
}
Parameters "${@}"
if [ -z "${NAME}" ]
then
Usage
fi
if [ ! -e "${MACHINES}/${NAME}" ]
then
echo "'${NAME}': no such container" >&2
exit 1
fi
STATE="$(machinectl show ${NAME} 2>&1 | awk -F= '/^State=/ { print $2 }')"
case "${CLEAN}" in
true)
# Removing overlay mounts
CNT_OVERLAY="$(awk -F= '/^cnt.overlay=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
if [ -n "${CNT_OVERLAY}" ]
then
CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')"
for CNT_OVERLAY in ${CNT_OVERLAYS}
do
DIRECTORY_LOWER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $1 }')"
DIRECTORY_UPPER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $2 }')"
DIRECTORY_WORK="$(echo ${CNT_OVERLAY} | awk -F: '{ print $3 }')"
DIRECTORY_MERGED="$(echo ${CNT_OVERLAY} | awk -F: '{ print $4 }')"
umount -f "${DIRECTORY_MERGED}"
for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
do
rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true
done
done
fi
# Removing bind mounts
BIND="$(awk -F= '/^bind=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
if [ -n "${BIND}" ]
then
BINDS="$(echo ${BIND} | sed -e 's|;| |g')"
for BIND in ${BINDS}
do
DIRECTORY="$(echo ${BIND} | awk -F: '{ print $1 }')"
rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true
done
fi
# Removing network configuration
NETWORK_VETH_EXTRA_CONF="$(awk -F= '/^network-veth-extra=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
case "${NETWORK_VETH_EXTRA_CONF}" in
"")
;;
*)
for VETH in ${NETWORK_VETH_EXTRA_CONF}
do
INTERFACE="$(echo ${VETH} | awk -F: '{ print $1 }')"
FILE="/etc/network/interfaces.d/${INTERFACE}"
if [ -f "${FILE}" ]
then
rm -f "${FILE}"
fi
done
;;
esac
exit 0
;;
*)
;;
esac
case "${STATE}" in
running)
;;
*)
echo "'${NAME}': container is already stopped" >&2
exit 1
;;
esac
case "${FORCE}" in
true)
MODE="terminate"
;;
*)
MODE="poweroff"
;;
esac
# Run
machinectl ${MODE} ${NAME}
|
