From 80056eeb0bed7c1b3346d68dd2d515b8b8ebf6bb Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 11 Apr 2021 13:54:03 +0200 Subject: Moving command files from /usr/lib to /usr/libexec. Signed-off-by: Daniel Baumann --- libexec/container/stop | 289 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 289 insertions(+) create mode 100755 libexec/container/stop (limited to 'libexec/container/stop') diff --git a/libexec/container/stop b/libexec/container/stop new file mode 100755 index 0000000..6b8caee --- /dev/null +++ b/libexec/container/stop @@ -0,0 +1,289 @@ +#!/bin/sh + +# Copyright (C) 2014-2021 Daniel Baumann +# +# 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 . + +set -e + +PROJECT="open-infrastructure" +PROGRAM="container" +COMMAND="$(basename ${0})" + +CONFIG="/etc/${PROJECT}/${PROGRAM}/config" +HOOKS="/etc/${PROJECT}/${PROGRAM}/hooks" +MACHINES="/var/lib/machines" + +CLEAN="false" + +Parameters () +{ + OPTIONS_ALL="" + + GETOPT_LONGOPTIONS="name:,force,clean,verbose," + GETOPT_OPTIONS="n:,f,v," + + PARAMETERS="$(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="${OPTIONS_ALL} --force" + ;; + + --clean) + # internal option + CLEAN="true" + shift 1 + + OPTONS_ALL="${OPTIONS_ALL} --clean" + ;; + + -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} ${COMMAND} -n|--name NAME [-f|--force] [-v|--verbose]" >&2 + exit 1 +} + +Rmdir () +{ + DIRECTORIES="${@}" + + 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 + +# 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 $1 }')" + FILE="/etc/network/interfaces.d/${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 "${FORCE}" in + true) + MODE="terminate" + ;; + + *) + MODE="poweroff" + ;; +esac + +# Run +case "${VERBOSE}" in + true) + echo -n "Stopping container ${NAME}..." + ;; +esac + +machinectl ${MODE} ${NAME} + +case "${FORCE}" 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 ${VETH} > /dev/null 2>&1 || true + done + ;; +esac + +case "${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 -- cgit v1.2.3