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|
#!/bin/sh
# Copyright (C) 2014-2025 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 <https://www.gnu.org/licenses/>.
set -e
PROJECT="open-infrastructure"
SOFTWARE="compute-tools"
PROGRAM="container"
COMMAND="$(basename ${0})"
HOOKS="/etc/${SOFTWARE}/hooks"
MACHINES="/var/lib/machines"
Parameters ()
{
GETOPT_LONGOPTIONS="name:,"
GETOPT_OPTIONS="n:,"
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
;;
--)
shift 1
break
;;
*)
echo "'${COMMAND}': getopt error" >&2
exit 1
;;
esac
done
}
Usage ()
{
echo "Usage: ${PROGRAM} ${COMMAND} -n|--name NAME -- COMMAND" >&2
echo
echo "See ${COMMAND}(1), ${PROGRAM}(1) and ${PROJECT}(7) for more information."
exit 1
}
Parameters "${@}"
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 $2 }')"
case "${STATE}" in
running)
;;
*)
echo "'${NAME}': container is not running" >&2
exit 1
;;
esac
LEADER="$(machinectl status ${NAME} | awk '/Leader: / { print $2 }')"
# Pre hooks
for FILE in "${HOOKS}/pre-${COMMAND}".* "${HOOKS}/${NAME}.pre-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
SSH_CLIENT="${SSH_CLIENT:-127.0.0.1 0 0}"
RUN="$(echo ${@} | awk -F-- '{ print $2}')"
# Run
nsenter --all --target "${LEADER}" --wd="${MACHINES}/${NAME}/root" /usr/bin/script -c "LC_ALL=C.UTF-8 /bin/bash -l -c \"${RUN}\"" -q /dev/null
case "${SSH_CLIENT}" in
127.0.0.1*)
unset SSH_CLIENT
;;
esac
# Post hooks
for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
|
