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-rwxr-xr-xlibexec/container/stop360
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
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