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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 ${0})"
CONFIG="/etc/container-tools/config"
MACHINES="/var/lib/machines"
Parameters ()
{
LONG_OPTIONS="name:,cnt.auto:,bind:,capability:,drop-capability:script:"
OPTIONS="n:,b:,c:,d:,s:"
PARAMETERS="$(getopt --longoptions ${LONG_OPTIONS} --name=${COMMAND} --options ${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
;;
--cnt.auto)
CNT_AUTO="${2}"
shift 2
;;
-b|--bind)
BIND="${2}"
shift 2
;;
-c|--capability)
CAPABILITY="${2}"
shift 2
;;
-d|--drop-capability)
DROP_CAPABILITY="${2}"
shift 2
;;
-s|--script)
SCRIPT="${2}"
shift 2
;;
--)
shift 1
break
;;
*)
echo "'${COMMAND}': getopt error" >&2
exit 1
;;
esac
done
}
Usage ()
{
echo "Usage: container ${COMMAND} -n|--name NAME [--cnt.auto=true|false|FQDN] [-b|--bind DIRECTORY:DIRECTORY[:OPTIONS]] [-c|--capability CAPABILITY[,CAPABILITY]] [-d|--drop-capability DROP_CAPABILITY[,DROP_CAPABILITY]] [-s|--script SCRIPT] [-- SCRIPT_OPTIONS]" >&2
exit 1
}
Parameters "${@}"
if [ -z "${NAME}" ]
then
Usage
fi
if [ -e "${CONFIG}/${NAME}.conf" ]
then
echo "'${NAME}': container already exists or ${CONFIG}/${NAME}.conf has not been removed" >&2
exit 1
fi
if [ -z "${SCRIPT}" ]
then
if [ -e /usr/share/container-tools/scripts/default ]
then
TARGET="$(basename $(readlink /usr/share/container-tools/scripts/default))"
case "${TARGET}" in
container-tools_script)
TARGET="$(basename $(readlink /etc/alternatives/container-tools_script))"
;;
esac
if [ -e "/usr/share/container-tools/scripts/${TARGET}" ]
then
SCRIPT="${TARGET}"
else
echo "default -> '${TARGET}': no such script" >&2
exit 1
fi
else
SCRIPT="debian"
fi
else
if [ ! -e "/usr/share/container-tools/scripts/${SCRIPT}" ]
then
echo "'${SCRIPT}': no such script" >&2
exit 1
fi
fi
CNT_AUTO="${CNT_AUTO:-$(hostname -f)}"
BINDS="$(echo ${BIND} | sed -e 's|;| |g')"
for ENTRY in ${BINDS}
do
DIRECTORY="$(echo ${ENTRY} | awk -F: '{ print $1 }')"
if [ ! -e "${DIRECTORY}" ]
then
mkdir -p "${DIRECTORY}"
fi
done
# config
mkdir -p "${CONFIG}"
sed -e "s|@CNT_AUTO@|${CNT_AUTO}|g" \
-e "s|@CNT_NETWORK_BRIDGE@|${CNT_NETWORK_BRIDGE}|g" \
-e "s|@NAME@|${NAME}|g" \
-e "s|@BIND@|${BIND}|g" \
-e "s|@BOOT@|yes|g" \
-e "s|@CAPABILITY@|${CAPABILITY}|g" \
-e "s|@DIRECTORY@|${MACHINES}/${NAME}|g" \
-e "s|@DROP_CAPABILITY@|${DROP_CAPABILITY}|g" \
-e "s|@MACHINE@|${NAME}|g" \
-e "s|@NETWORK_VETH_EXTRA@|${NETWORK_VETH_EXTRA}|g" \
-e "s|@LINK_JOURNAL@|no|g" \
-e "s|@REGISTER@|yes|g" \
/usr/share/container-tools/config/container.conf.in > "${CONFIG}/${NAME}.conf"
# Run
"/usr/share/container-tools/scripts/${SCRIPT}" $(echo "${@}" | sed -e 's| -- | |')
|
