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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-20 17:12:42 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-20 17:12:42 +0000 |
commit | cbfc4abda5f50267b8b2a40de90ee57424381ec6 (patch) | |
tree | 5e335b17d0e8c9eaadeb403d5ea91822a5867933 /libexec/container/stop | |
parent | Initial commit. (diff) | |
download | open-infrastructure-compute-tools-cbfc4abda5f50267b8b2a40de90ee57424381ec6.tar.xz open-infrastructure-compute-tools-cbfc4abda5f50267b8b2a40de90ee57424381ec6.zip |
Adding upstream version 20221223.upstream/20221223
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libexec/container/stop')
-rwxr-xr-x | libexec/container/stop | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/libexec/container/stop b/libexec/container/stop new file mode 100755 index 0000000..8ca98ce --- /dev/null +++ b/libexec/container/stop @@ -0,0 +1,360 @@ +#!/bin/sh + +# Copyright (C) 2014-2022 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 ${0})" + +CONFIG="/etc/${SOFTWARE}/config" +HOOKS="/etc/${SOFTWARE}/hooks" +MACHINES="/var/lib/machines" + +CLEAN="false" + +Parameters () +{ + OPTIONS_ALL="" + + GETOPT_LONGOPTIONS="name:,force,interactive,kill,clean,stateless,verbose," + GETOPT_OPTIONS="n:,f,i,k,v," + + PARAMETERS="$(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" + shift 1 + + OPTIONS_ALL="${OPTIONS_ALL} --force" + ;; + + -i|--interactive) + INTERACTIVE="true" + shift 1 + + OPTIONS_ALL="${OPTIONS_ALL} --interactive" + ;; + + -k|--kill) + KILL="true" + shift 1 + + OPTIONS_ALL="${OPTIONS_ALL} --kill" + ;; + + --clean) + # internal option + CLEAN="true" + shift 1 + + OPTONS_ALL="${OPTIONS_ALL} --clean" + ;; + + --stateless) + # internal option + STATELESS="true" + shift 1 + + OPTIONS_ALL="${OPTIONS_ALL} --stateless" + ;; + + -v|--verbose) + VERBOSE="true" + shift 1 + + OPTIONS_ALL="${OPTIONS_ALL} --verbose" + ;; + + --) + shift 1 + break + ;; + + *) + echo "'${COMMAND}': getopt error" >&2 + exit 1 + ;; + esac + done +} + +Usage () +{ + echo "Usage: ${PROGRAM} ${COMMAND} -n|--name NAME [-f|--force] [-i|--interactive] [-v|--verbose]" >&2 + echo + echo "See ${COMMAND}(1), ${PROGRAM}(1) and ${PROJECT}(7) for more information." + + exit 1 +} + +Rmdir () +{ + DIRECTORIES="${@}" + + for DIRECTORY in ${DIRECTORIES} + do + PARENT_DIRECTORY="/$(echo ${DIRECTORY} | cut -d / -f 2)" + + if [ "${PARENT_DIRECTORY}" != "${DIRECTORY}" ] + then + # the directory is at least two levels down from / + cd "${PARENT_DIRECTORY}" + + CRUFT="$(echo ${DIRECTORY} | cut -d / -f 3-)" + rmdir --ignore-fail-on-non-empty --parents "${CRUFT}" > /dev/null 2>&1 || true + + cd "${OLDPWD}" + fi + done +} + +Parameters "${@}" + +if [ -z "${NAME}" ] +then + Usage +fi + +case "${NAME}" in + ALL) + NAMES="$(${PROGRAM} list --format shell --started)" + + for NAME in ${NAMES} + do + ${PROGRAM} stop --name ${NAME} ${OPTIONS_ALL} || true + done + + exit 0 + ;; +esac + +if [ ! -e "${MACHINES}/${NAME}" ] +then + echo "'${NAME}': no such container" >&2 + exit 1 +fi + +if systemctl status systemd-networkd > /dev/null 2>&1 +then + NETWORK_SUBSYSTEM="systemd-networkd" +else + NETWORK_SUBSYSTEM="ifupdown" +fi + +# Pre hooks +for FILE in "${HOOKS}/pre-${COMMAND}".* "${HOOKS}/${NAME}.pre-${COMMAND}" +do + if [ -x "${FILE}" ] + then + "${FILE}" + fi +done + +STATE="$(machinectl show ${NAME} 2>&1 | awk -FState= '/^State=/ { print $2 }')" + +case "${CLEAN}" in + true) + # Removing overlay mounts + CNT_OVERLAY="$(awk -Fcnt.overlay= '/^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}" + + Rmdir "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}" + done + fi + + # Removing rw bind mounts + BIND="$(awk -Fbind= '/^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 $1 }')" + + Rmdir "${DIRECTORY}" + done + fi + + # Removing ro bind mounts + BIND_RO="$(awk -Fbind-ro= '/^bind-ro=/ { print $2 }' ${CONFIG}/${NAME}.conf)" + + if [ -n "${BIND_RO}" ] + then + BINDS_RO="$(echo ${BIND_RO} | sed -e 's|;| |g')" + + for BIND_RO in ${BINDS_RO} + do + DIRECTORY="$(echo ${BIND_RO} | awk -F: '{ print $1 }')" + + Rmdir "${DIRECTORY}" + done + fi + + # Removing network configuration + VETHS="$(awk -Fnetwork-veth-extra= '/^network-veth-extra=/ { print $2 }' ${CONFIG}/${NAME}.conf)" + + case "${VETHS}" in + "") + ;; + + *) + for VETH in ${VETHS} + do + INTERFACE="$(echo ${VETH} | awk -F: '{ print $1 }')" + + case "${NETWORK_SUBSYSTEM}" in + ifupdown) + FILE="/etc/network/interfaces.d/${INTERFACE}" + ;; + + systemd-networkd) + FILE="/run/systemd/network/${INTERFACE}.network" + ;; + esac + + 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 "${KILL}" in + true) + MODE="terminate" + ;; + + *) + MODE="poweroff" + ;; +esac + +if [ "${FORCE}" != "true" ] || [ "${INTERACTIVE}" = "true" ] +then + echo -n "'${NAME}': stop container '${NAME}' [y|N]? " + read STOP + + STOP="$(echo ${STOP} | tr '[A-Z]' '[a-z]')" + + case "${STOP}" in + y|yes) + ;; + + *) + exit 1 + ;; + esac +fi + +# Run +case "${VERBOSE}" in + true) + echo -n "Stopping container ${NAME}..." + ;; +esac + +machinectl ${MODE} ${NAME} + +case "${KILL}" in + true) + VETHS="$(awk -Fnetwork-veth-extra= '/^network-veth-extra=/ { print $2 }' ${CONFIG}/${NAME}.conf | awk -F: '{ print $1 }')" + + for VETH in ${VETHS} + do + ip link delete ${VETH} > /dev/null 2>&1 || true + done + + rm -f "${MACHINES}/.#${NAME}.lck" + ;; +esac + +case "${STATELESS}" in + true) + ;; + + *) + mkdir -p "/var/lib/${SOFTWARE}/state" + echo "stop" > "/var/lib/${SOFTWARE}/state/${NAME}.run" + ;; +esac + +case "${VERBOSE}" in + true) + echo " done." + ;; +esac + +# Post hooks +for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}" +do + if [ -x "${FILE}" ] + then + "${FILE}" + fi +done |