1 files changed, 289 insertions, 0 deletions
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 <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 <http://www.gnu.org/licenses/>.
+
+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