Renaming container create command to container build.

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>

1 files changed, 1159 insertions, 0 deletions

diff --git a/share/build-scripts/debconf b/share/build-scripts/debconf
new file mode 100755
index 0000000..39856ae
--- /dev/null
+++ b/share/build-scripts/debconf
@@ -0,0 +1,1159 @@
+#!/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 <https://www.gnu.org/licenses/>.
+
+set -e
+
+PROJECT="open-infrastructure"
+SOFTWARE="compute-tools"
+PROGRAM="container"
+
+SCRIPT="${0}"
+export SCRIPT
+
+CACHE="/var/cache/${PROGRAM}/build-$(basename ${SCRIPT})"
+CONFIG="/etc/${SOFTWARE}/config"
+HOOKS="/etc/${SOFTWARE}/hooks"
+MACHINES="/var/lib/machines"
+
+Parameters ()
+{
+	GETOPT_LONGOPTIONS="bind:,bind-ro:,script:,name:,preseed-file:"
+	GETOPT_OPTIONS="b:,s:,n:,p:"
+
+	PARAMETERS="$(getopt --longoptions ${GETOPT_LONGOPTIONS} --name=${SCRIPT} --options ${GETOPT_OPTIONS} --shell sh -- ${@})"
+
+	if [ "${?}" != "0" ]
+	then
+		echo "'${SCRIPT}': getopt exit" >&2
+		exit 1
+	fi
+
+	eval set -- "${PARAMETERS}"
+
+	while true
+	do
+		case "${1}" in
+			-b|--bind)
+				# ignore
+				shift 2
+				;;
+
+			--bind-ro)
+				# ignore
+				shift 2
+				;;
+
+			--cnt.auto)
+				# ignore
+				shift 2
+				;;
+
+			--cnt.container-server)
+				# ignore
+				shift 2
+				;;
+
+			-s|--script)
+				# ignore
+				shift 2
+				;;
+
+			-n|--name)
+				NAME="${2}"
+				shift 2
+				;;
+
+			--preseed-file)
+				PRESEED_FILE="${2}"
+				shift 2
+				;;
+
+			--)
+				shift 1
+				break
+				;;
+
+			*)
+				echo "'${SCRIPT}': getopt error" >&2
+				exit 1
+				;;
+		esac
+	done
+}
+
+Usage ()
+{
+	echo "Usage: container build -n|--name NAME -s|--script ${SCRIPT} -- [-p|--preseed-file FILE]" >&2
+	exit 1
+}
+
+Parameters "${@}"
+
+if [ -z "${NAME}" ]
+then
+	Usage
+fi
+
+if [ -e "${MACHINES}/${NAME}" ]
+then
+	echo "'${NAME}': container already exists" >&2
+	exit 1
+fi
+
+if [ -x /usr/bin/mmdebstrap ]
+then
+	BOOTSTRAP="mmdebstrap"
+elif [ -x /usr/sbin/debootstrap ]
+then
+	BOOTSTRAP="debootstrap"
+else
+	echo "'${NAME}': /usr/bin/mmdebstrap or /usr/sbin/debootstrap - no such file." >&2
+	exit 1
+fi
+
+if [ "$(id -u)" -ne 0 ]
+then
+	echo "'${NAME}': need root privileges" >&2
+	exit 1
+fi
+
+Mount ()
+{
+	# Mounting rw bind mounts
+	if [ -n "${BIND}" ]
+	then
+		BINDS="$(echo ${BIND} | sed -e 's|;| |g')"
+
+		for ENTRY in ${BINDS}
+		do
+			SOURCE="$(echo ${ENTRY} | awk -F: '{ print $1 }')"
+			TARGET="$(echo ${ENTRY} | awk -F: '{ print $2 }')"
+
+			mkdir -p "${SOURCE}"
+			mkdir -p "${MACHINES}/${NAME}/${TARGET}"
+
+			mount -o bind "${SOURCE}" "${MACHINES}/${NAME}/${TARGET}"
+		done
+	fi
+
+	# Mounting ro bind mounts
+	if [ -n "${BIND_RO}" ]
+	then
+		BINDS_RO="$(echo ${BIND_RO} | sed -e 's|;| |g')"
+
+		for ENTRY in ${BINDS_RO}
+		do
+			SOURCE="$(echo ${ENTRY} | awk -F: '{ print $1 }')"
+			TARGET="$(echo ${ENTRY} | awk -F: '{ print $2 }')"
+
+			mkdir -p "${SOURCE}"
+			mkdir -p "${MACHINES}/${NAME}/${TARGET}"
+
+			mount -o rbind "${SOURCE}" "${MACHINES}/${NAME}/${TARGET}"
+		done
+	fi
+
+	# Mounting overlay mounts
+	if [ -n "${CNT_OVERLAY}" ]
+	then
+		CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')"
+
+		COUNT="0"
+		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 $4 }')"
+
+			COUNT="$((${COUNT} + 1))"
+			CNT_OVERLAY_OPTION="$(echo ${CNT_OVERLAY_OPTIONS} | awk -F ';' "{ print \$${COUNT} }")"
+
+			for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
+			do
+				mkdir -p "${DIRECTORY}"
+			done
+
+			if ! findmnt -n -o SOURCE "${DIRECTORY_MERGED}" | grep -qs '^overlay-'
+			then
+				if [ -n "${CNT_OVERLAY_OPTION}" ]
+				then
+					CNT_OVERLAY_OPTION="-o ${CNT_OVERLAY_OPTION}"
+				fi
+
+				mount -t overlay overlay-${NAME} ${CNT_OVERLAY_OPTION} -olowerdir="${DIRECTORY_LOWER}",upperdir="${DIRECTORY_UPPER}",workdir="${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
+			fi
+		done
+	fi
+}
+
+Umount ()
+{
+	# Unmounting overlay mounts
+	if [ -n "${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}" > /dev/null 2>&1 || true
+
+			for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}"
+			do
+				rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true
+			done
+		done
+
+		# empty workdir otherwise there might happen stale file handles
+		if [ -d "${DIRECTORY_WORK}" ]
+		then
+			rm --preserve-root --one-file-system -rf "${DIRECTORY_WORK}"/*
+		fi
+	fi
+
+	# Unmounting ro bind mounts
+	if [ -n "${BIND_RO}" ]
+	then
+		# unmount in reverse order to allow nested bind mounts
+		BINDS_RO="$(echo ${BIND_RO} | sed -e 's|;| |g' | awk '{ for (i=NF; i>=1; i--) printf "%s ", $i; print ""}')"
+
+		for ENTRY in ${BINDS_RO}
+		do
+			TARGET="$(echo ${ENTRY} | awk -F: '{ print $2 }')"
+
+			umount -f "${MACHINES}/${NAME}/${TARGET}" > /dev/null 2>&1 || true
+		done
+	fi
+
+	# Unmounting rw bind mounts
+	if [ -n "${BIND}" ]
+	then
+		# unmount in reverse order to allow nested bind mounts
+		BINDS="$(echo ${BIND} | sed -e 's|;| |g' | awk '{ for (i=NF; i>=1; i--) printf "%s ", $i; print ""}')"
+
+		for ENTRY in ${BINDS}
+		do
+			TARGET="$(echo ${ENTRY} | awk -F: '{ print $2 }')"
+
+			umount -f "${MACHINES}/${NAME}/${TARGET}" > /dev/null 2>&1 || true
+		done
+	fi
+
+	# Unmounting pseudo-filesystems
+	umount -f "${DIRECTORY}/dev/pts" > /dev/null 2>&1 || true
+	umount -f "${DIRECTORY}/proc" > /dev/null 2>&1 || true
+	umount -f "${DIRECTORY}/sys" > /dev/null 2>&1 || true
+}
+
+Chroot ()
+{
+	CHROOT="${1}"
+	shift
+
+	chroot "${CHROOT}" /usr/bin/env -i \
+		LC_ALL="C" PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/games" TERM="${TERM}" \
+		DEBIAN_FRONTEND="${DEBCONF_FRONTEND}" DEBIAN_PRIORITY="${DEBCONF_PRIORITY}" \
+		DEBCONF_NONINTERACTIVE_SEEN="true" DEBCONF_NOWARNINGS="true" \
+		ftp_proxy="${ftp_proxy}" http_proxy="${http_proxy}" \
+		${@}
+}
+
+Upgrade_system ()
+{
+	DIRECTORY="${1}"
+
+	# Mount pseudo-filesystems
+	mount -o bind /dev/pts "${DIRECTORY}/dev/pts"
+	mount -o bind /proc "${DIRECTORY}/proc"
+	mount -o bind /sys "${DIRECTORY}/sys"
+
+	# Disable dpkg syncing
+
+cat > "${DIRECTORY}/etc/dpkg/dpkg.cfg.d/${SOFTWARE}" << EOF
+force-unsafe-io
+EOF
+
+	# Create policy-rc.d file
+
+cat > "${DIRECTORY}/usr/sbin/policy-rc.d" << EOF
+#!/bin/sh
+echo "All runlevel operations denied by policy" >&2
+exit 101
+EOF
+
+	chmod 0755 "${DIRECTORY}/usr/sbin/policy-rc.d"
+
+	# Upgrade system
+	Chroot "${DIRECTORY}" "apt update"
+	Chroot "${DIRECTORY}" "apt --yes --option Dpkg::Options::=--force-confnew upgrade"
+	Chroot "${DIRECTORY}" "apt --yes --option Dpkg::Options::=--force-confnew dist-upgrade"
+
+	# Install systemd support packages
+	Chroot "${DIRECTORY}" "apt --yes install dbus libpam-systemd systemd-sysv"
+
+	Chroot "${DIRECTORY}" "apt clean"
+}
+
+Cleanup_system ()
+{
+	DIRECTORY="${1}"
+
+	Chroot "${DIRECTORY}" "apt --yes --purge autoremove"
+	Chroot "${DIRECTORY}" "apt clean"
+
+	# Cleanup
+	rm -f "${DIRECTORY}/etc/dpkg/dpkg.cfg.d/${SOFTWARE}"
+	rm -f "${DIRECTORY}/usr/sbin/policy-rc.d"
+
+	# Unmount pseudo-filesystems
+	umount -f "${DIRECTORY}/dev/pts" > /dev/null 2>&1 || true
+	umount -f "${DIRECTORY}/proc" > /dev/null 2>&1 || true
+	umount -f "${DIRECTORY}/sys" > /dev/null 2>&1 || true
+}
+
+Debconf ()
+{
+	# Configure local debconf
+	mkdir -p "/tmp/${SOFTWARE}"
+	DEBCONF_TMPDIR="$(mktemp -d -p "/tmp/${SOFTWARE}" -t $(basename ${0}).XXXX)"
+	export DEBCONF_TMPDIR
+
+	mkdir -p "${DEBCONF_TMPDIR}/debconf"
+
+cat > "${DEBCONF_TMPDIR}/debconf.systemrc" << EOF
+Config: configdb
+Templates: templatedb
+
+Name: config
+Driver: File
+Mode: 644
+Reject-Type: password
+Filename: ${DEBCONF_TMPDIR}/debconf/config.dat
+
+Name: passwords
+Driver: File
+Mode: 600
+Backup: false
+Required: false
+Accept-Type: password
+Filename: ${DEBCONF_TMPDIR}/debconf/passwords.dat
+
+Name: configdb
+Driver: Stack
+Stack: config, passwords
+
+Name: templatedb
+Driver: File
+Mode: 644
+Filename: ${DEBCONF_TMPDIR}/debconf/templates.dat
+EOF
+
+	DEBCONF_SYSTEMRC="${DEBCONF_TMPDIR}/debconf.systemrc"
+	export DEBCONF_SYSTEMRC
+}
+
+Debootstrap ()
+{
+	DIRECTORY="${1}"
+
+	EXCLUDE="ifupdown"
+	INCLUDE="dbus"
+
+	# apt repositories
+	INCLUDE="${INCLUDE},gnupg"
+
+	if ( echo "${MIRROR}" | grep -qs '^https' ) || \
+	   ( echo "${PARENT_MIRROR}" | grep -qs '^https' )
+	then
+		INCLUDE="${INCLUDE},apt-transport-https,ca-certificates"
+	fi
+
+	case "${MODE}" in
+		progress-linux)
+			INCLUDE="${INCLUDE},progress-linux,gnupg"
+			;;
+	esac
+
+	mkdir -p "$(dirname ${DIRECTORY})"
+
+	case "${BOOTSTRAP}" in
+		debootstrap)
+			debootstrap --verbose --arch=${ARCHITECTURE} --components=${PARENT_ARCHIVE_AREAS} \
+				--exclude=${EXCLUDE} --include=${INCLUDE} ${PARENT_DISTRIBUTION} "${DIRECTORY}" ${PARENT_MIRROR}
+			;;
+
+		mmdebstrap)
+			mmdebstrap --arch=${ARCHITECTURE} --components=${PARENT_ARCHIVE_AREAS} \
+				 --mode=root --include=${INCLUDE} ${PARENT_DISTRIBUTION} "${DIRECTORY}" ${PARENT_MIRROR}
+			;;
+
+		*)
+			echo "'${NAME}': ${BOOTSTRAP} - not supported" >&2
+			exit 1
+			;;
+	esac
+}
+
+Configure_apt ()
+{
+	DIRECTORY="${1}"
+
+	# Configure apt
+	rm -f "${DIRECTORY}/etc/apt/sources.list"
+
+	PARENT_AREA="$(echo ${PARENT_ARCHIVE_AREAS} | sed -e 's|,| |g')"
+	PARENT_DIST="$(echo ${PARENT_DISTRIBUTION} | sed -e 's|-backports||')"
+
+cat > "${DIRECTORY}/etc/apt/sources.list.d/debian.list" << EOF
+# /etc/apt/sources.list.d/debian.list
+
+deb ${PARENT_MIRROR} ${PARENT_DIST} ${PARENT_AREA}
+EOF
+
+	case "${MODE}" in
+		progress-linux)
+
+cat > "${DIRECTORY}/progress-linux.cfg" << EOF
+progress-linux progress-linux/archives multiselect $(echo ${ARCHIVES} | sed -e 's| |, |g')
+progress-linux progress-linux/archive-areas multiselect $(echo ${ARCHIVE_AREAS} | sed -e 's|,| |g')
+EOF
+
+			Chroot "${DIRECTORY}" "debconf-set-selections progress-linux.cfg"
+			Chroot "${DIRECTORY}" "DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=criticial dpkg-reconfigure progress-linux"
+
+			rm -f "${DIRECTORY}/progress-linux.cfg"
+
+			Chroot "${DIRECTORY}" "apt update"
+			;;
+	esac
+}
+
+Deconfigure_system ()
+{
+	DIRECTORY="${1}"
+
+	# Configure fstab
+
+cat > "${DIRECTORY}/etc/fstab" << EOF
+# /etc/fstab: static file system information.
+#
+# Use 'blkid' to print the universally unique identifier for a
+# device; this may be used with UUID= as a more robust way to name devices
+# that works even if disks are added and removed. See fstab(5).
+#
+# <file system> <mount point>   <type>  <options>       <dump>  <pass>
+
+EOF
+
+	# Fix /etc/mtab
+	rm -f "${DIRECTORY}/etc/mtab"
+	ln -s /proc/self/mounts "${DIRECTORY}/etc/mtab"
+
+	# Removing resolv.conf
+	rm -f "${DIRECTORY}/etc/resolv.conf"
+	cp /etc/resolv.conf "${DIRECTORY}/etc"
+
+	# Removing hosts/hostname
+	rm -f "${DIRECTORY}"/etc/hosts
+	rm -f "${DIRECTORY}"/etc/hostname
+
+	# Removing openssh-server host keys
+	rm -f "${DIRECTORY}"/etc/ssh/ssh_host_*_key
+	rm -f "${DIRECTORY}"/etc/ssh/ssh_host_*_key.pub
+}
+
+Configure_system ()
+{
+	DIRECTORY="${1}"
+
+	# Overwrite resolv.conf from cache with hosts resolv.conf
+	rm -f "${DIRECTORY}/etc/resolv.conf"
+	cp /etc/resolv.conf "${DIRECTORY}/etc"
+
+	echo "${NAME}" > "${DIRECTORY}/etc/hostname"
+
+	# Configure apt
+	rm -f "${DIRECTORY}/etc/apt/sources.list"
+
+	PARENT_AREA="$(echo ${PARENT_ARCHIVE_AREAS} | sed -e 's|,| |g')"
+	PARENT_DIST="$(echo ${PARENT_DISTRIBUTION} | sed -e 's|-backports||')"
+
+cat > "${DIRECTORY}/etc/apt/sources.list.d/debian.list" << EOF
+# /etc/apt/sources.list.d/debian.list
+
+deb ${PARENT_MIRROR} ${PARENT_DIST} ${PARENT_AREA}
+EOF
+
+	for PARENT_REPO in ${PARENT_ARCHIVES}
+	do
+		case "${PARENT_REPO}" in
+			buster-security)
+				echo "deb ${PARENT_MIRROR_SECURITY} ${PARENT_DIST}/updates ${PARENT_AREA}" >> "${DIRECTORY}/etc/apt/sources.list.d/debian.list"
+				;;
+
+			${PARENT_DIST}-security)
+				echo "deb ${PARENT_MIRROR_SECURITY} ${PARENT_DIST}-security ${PARENT_AREA}" >> "${DIRECTORY}/etc/apt/sources.list.d/debian.list"
+				;;
+
+			${PARENT_DIST}-updates)
+				echo "deb ${PARENT_MIRROR} ${PARENT_DIST}-updates ${PARENT_AREA}" >> "${DIRECTORY}/etc/apt/sources.list.d/debian.list"
+				;;
+
+			${PARENT_DIST}-backports)
+				echo "deb ${PARENT_MIRROR} ${PARENT_DIST}-backports ${PARENT_AREA}" >> "${DIRECTORY}/etc/apt/sources.list.d/debian.list"
+				;;
+
+			${PARENT_DIST}-proposed-updates)
+				echo "deb ${PARENT_MIRROR} ${PARENT_DIST}-proposed-updates ${PARENT_AREA}" >> "${DIRECTORY}/etc/apt/sources.list.d/debian.list"
+				;;
+
+			experimental)
+				echo "deb ${PARENT_MIRROR} experimental ${PARENT_AREA}" >> "${DIRECTORY}/etc/apt/sources.list.d/debian.list"
+				;;
+		esac
+	done
+
+	case "${MODE}" in
+		progress-linux)
+
+cat > "${DIRECTORY}/progress-linux.cfg" << EOF
+progress-linux progress-linux/archives multiselect $(echo ${ARCHIVES} | sed -e 's| |, |g')
+progress-linux progress-linux/archive-areas multiselect $(echo ${ARCHIVE_AREAS} | sed -e 's|,| |g')
+EOF
+
+			Chroot "${DIRECTORY}" "debconf-set-selections progress-linux.cfg"
+			Chroot "${DIRECTORY}" "DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=criticial dpkg-reconfigure progress-linux"
+
+			rm -f "${DIRECTORY}/progress-linux.cfg"
+			;;
+	esac
+
+	if [ "${APT_RECOMMENDS}" = "false" ]
+	then
+
+cat > "${DIRECTORY}/etc/apt/apt.conf.d/recommends.conf" << EOF
+APT::Install-Recommends "false";
+EOF
+
+	fi
+
+	# Add local archives configured from preseed file
+	if ls "${DEBCONF_TMPDIR}/apt"/*.list > /dev/null 2>&1
+	then
+		cp "${DEBCONF_TMPDIR}/apt"/*.list "${DIRECTORY}/etc/apt/sources.list.d"
+
+		if ls "${DEBCONF_TMPDIR}/apt"/*.key > /dev/null 2>&1
+		then
+			for KEY in "${DEBCONF_TMPDIR}/apt"/*.key
+			do
+				cp "${KEY}" "${DIRECTORY}"
+				Chroot "${DIRECTORY}" "apt-key add $(basename ${KEY})"
+				rm -f "${DIRECTORY}/$(basename ${KEY})"
+			done
+		fi
+
+		if ls "${DEBCONF_TMPDIR}/apt"/*.pref > /dev/null 2>&1
+		then
+			cp "${DEBCONF_TMPDIR}/apt"/*.pref "${DIRECTORY}/etc/apt/preferences.d"
+		fi
+	fi
+
+	Upgrade_system "${DIRECTORY}"
+
+	# Preseed system
+	if [ -n "${PRESEED_FILE}" ]
+	then
+		for FILE in ${PRESEED_FILE}
+		do
+			if [ -e /usr/bin/kdig ]
+			then
+				DIG="/usr/bin/kdig"
+			elif [ -e /usr/bin/dig ]
+			then
+				DIG="/usr/bin/dig"
+			fi
+
+			if [ -n "${DIG}" ]
+			then
+				IPV4_ADDRESS1="$(${DIG} A +short ${NAME} | tail -n1)"
+				IPV4_ADDRESS1_PART1="$(echo ${IPV4_ADDRESS1} | cut -d. -f1)"
+				IPV4_ADDRESS1_PART2="$(echo ${IPV4_ADDRESS1} | cut -d. -f2)"
+				IPV4_ADDRESS1_PART3="$(echo ${IPV4_ADDRESS1} | cut -d. -f3)"
+				IPV4_ADDRESS1_PART4="$(echo ${IPV4_ADDRESS1} | cut -d. -f4)"
+
+				IPV6_ADDRESS1="$(${DIG} AAAA +short ${NAME} | tail -n1)"
+				# FIXME: address parts
+
+				export IPV4_ADDRESS1 IPV4_ADDRESS1_PART1 IPV4_ADDRESS1_PART2 IPV4_ADDRESS1_PART3 IPV4_ADDRESS1_PART4
+				export IPV6_ADDRESS1
+			fi
+
+			sed -e "s|@FILE@|${FILE}|g" \
+			    -e "s|@NAME@|${NAME}|g" \
+			    -e "s|@IPV4_ADDRESS1@|${IPV4_ADDRESS1}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART1@|${IPV4_ADDRESS1_PART1}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART2@|${IPV4_ADDRESS1_PART2}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART3@|${IPV4_ADDRESS1_PART3}|g" \
+			    -e "s|@IPV4_ADDRESS1_PART4@|${IPV4_ADDRESS1_PART4}|g" \
+			    -e "s|@IPV6_ADDRESS1@|${IPV6_ADDRESS1}|g" \
+			"${FILE}" >> "${DIRECTORY}/preseed.cfg"
+		done
+
+		Chroot "${DIRECTORY}" "debconf-set-selections preseed.cfg"
+
+		rm -f "${DIRECTORY}/preseed.cfg"
+	fi
+
+	# Manual hack to workaround broken preseeding in locales package
+	if [ -n "${PRESEED_FILE}" ]
+	then
+		for FILE in ${PRESEED_FILE}
+		do
+			if grep -qs locales "${FILE}"
+			then
+				if Chroot "${DIRECTORY}" dpkg --get-selections | awk '{ print $1 }' | grep -qs '^locales$'
+				then
+					rm -f "${DIRECTORY}/etc/default/locale" "${DIRECTORY}/etc/locale.gen"
+					Chroot "${DIRECTORY}" "DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=criticial dpkg-reconfigure locales"
+
+					break
+				fi
+			fi
+		done
+	fi
+
+	# Manual hack to create conffiles when using locales-all instead of locales
+	if [ ! -e "${DIRECTORY}/etc/environment" ]
+	then
+		echo "LANG=C.UTF-8" >> "${DIRECTORY}/etc/environment"
+	fi
+
+	if [ ! -e "${DIRECTORY}/etc/default/locale" ]
+	then
+		echo "LANG=C.UTF-8" >> "${DIRECTORY}/etc/default/locale"
+	fi
+
+	# Manual hack to workaround broken preseeding in tzdata package
+	if [ -n "${PRESEED_FILE}" ]
+	then
+		for FILE in ${PRESEED_FILE}
+		do
+			if grep -qs tzdata "${FILE}"
+			then
+				rm -f "${DIRECTORY}/etc/localtime" "${DIRECTORY}/etc/timezone"
+				Chroot "${DIRECTORY}" "DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=criticial dpkg-reconfigure tzdata"
+
+				break
+			fi
+		done
+	fi
+
+	if [ -n "${PACKAGES}" ]
+	then
+		Chroot "${DIRECTORY}" "apt --option Dpkg::Options::=--force-confnew --yes install ${PACKAGES}"
+	fi
+
+	# Manual hack to regenerate ssh keys
+	if Chroot "${DIRECTORY}" dpkg --get-selections | awk '{ print $1 }' | grep -qs '^openssh-server$' && \
+	   ! ls "${DIRECTORY}"/etc/ssh/ssh_host_*_key > /dev/null 2>&1
+	then
+		Chroot "${DIRECTORY}" "DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=criticial dpkg-reconfigure openssh-server"
+	fi
+
+	# container command
+	if [ -n "${CONTAINER_COMMAND}" ]
+	then
+		echo "${CONTAINER_COMMAND}" > "${DIRECTORY}/.container-command"
+
+		chmod 0755 "${DIRECTORY}/.container-command"
+		Chroot "${DIRECTORY}" "sh /.container-command"
+
+		rm -f "${DIRECTORY}/.container-command"
+	fi
+
+	for NUMBER in $(seq 1 ${CONTAINER_COMMAND_NUMBER})
+	do
+		eval COMMAND="$`echo CONTAINER_COMMAND${NUMBER}`"
+
+		echo "${COMMAND}" > "${DIRECTORY}/.container-command"
+
+		chmod 0755 "${DIRECTORY}/.container-command"
+		Chroot "${DIRECTORY}" "sh /.container-command"
+
+		rm -f "${DIRECTORY}/.container-command"
+	done
+}
+
+Configure_network ()
+{
+	DIRECTORY="${1}"
+
+	# Create /etc/resolv.conf
+	rm -f "${DIRECTORY}/etc/resolv.conf.tmp"
+
+	if [ -n "${NAMESERVER_DOMAIN}" ]
+	then
+		echo "domain ${NAMESERVER_DOMAIN}" >> "${DIRECTORY}/etc/resolv.conf.tmp"
+	fi
+
+	if [ -n "${NAMESERVER_SEARCH}" ]
+	then
+		echo "search ${NAMESERVER_SEARCH}" >> "${DIRECTORY}/etc/resolv.conf.tmp"
+	fi
+
+	if [ -n "${NAMESERVER_SERVER}" ]
+	then
+		if [ -e "${DIRECTORY}/etc/resolv.conf.tmp" ]
+		then
+			echo "" >> "${DIRECTORY}/etc/resolv.conf.tmp"
+		fi
+
+		for NAMESERVER in $(echo ${NAMESERVER_SERVER} | sed -e 's|,| |g')
+		do
+			echo "nameserver ${NAMESERVER}" >> "${DIRECTORY}/etc/resolv.conf.tmp"
+		done
+	fi
+
+	if [ -n "${NAMESERVER_OPTIONS}" ]
+	then
+		if [ -e "${DIRECTORY}/etc/resolv.conf.tmp" ]
+		then
+			echo "" >> "${DIRECTORY}/etc/resolv.conf.tmp"
+		fi
+
+		echo "options ${NAMESERVER_OPTIONS}" >> "${DIRECTORY}/etc/resolv.conf.tmp"
+	fi
+
+	if [ -e "${DIRECTORY}/etc/resolv.conf.tmp" ]
+	then
+		mv "${DIRECTORY}/etc/resolv.conf.tmp" "${DIRECTORY}/etc/resolv.conf"
+	fi
+
+	# Create /etc/hosts
+	rm -f "${DIRECTORY}/etc/hosts.tmp"
+
+	if [ -n "${NETWORK1_IPV4_ADDRESS}" ]
+	then
+
+cat >> "${DIRECTORY}/etc/hosts.tmp" << EOF
+${NETWORK1_IPV4_ADDRESS}	${NAME}
+EOF
+
+	fi
+
+	if [ -n "${NETWORK1_IPV6_ADDRESS}" ]
+	then
+
+cat >> "${DIRECTORY}/etc/hosts.tmp" << EOF
+${NETWORK1_IPV6_ADDRESS}	${NAME}
+EOF
+
+	fi
+
+	if [ -n "${NETWORK1_IPV4_ADDRESS}" ] || [ -n "${NETWORK1_IPV6_ADDRESS}" ]
+	then
+		echo >> "${DIRECTORY}/etc/hosts.tmp"
+	fi
+
+	if [ -z "${NETWORK1_IPV4_ADDRESS}" ] && [ -z "${NETWORK1_IPV6_ADDRESS}" ]
+	then
+		# localhost only
+
+cat > "${DIRECTORY}/etc/hosts.tmp" << EOF
+127.0.0.1	localhost	${NAME}
+::1		localhost	${NAME}
+EOF
+
+	else
+
+cat > "${DIRECTORY}/etc/hosts.tmp" << EOF
+127.0.0.1	localhost
+::1		localhost
+EOF
+
+	fi
+
+cat >> "${DIRECTORY}/etc/hosts.tmp" << EOF
+
+# The following lines are desirable for IPv6 capable hosts
+::1	ip6-localhost ip6-loopback
+fe00::0	ip6-localnet
+ff00::0	ip6-mcastprefix
+ff02::1	ip6-allnodes
+ff02::2	ip6-allrouters
+EOF
+
+	mv "${DIRECTORY}/etc/hosts.tmp" "${DIRECTORY}/etc/hosts"
+}
+
+Configure_systemd_networkd ()
+{
+	DIRECTORY="${1}"
+
+	# Enable systemd-networkd
+	chroot "${DIRECTORY}" systemctl enable systemd-networkd
+
+	for NUMBER in $(seq 1 ${NETWORK_NUMBER})
+	do
+		eval IPV4_COMMENT="$`echo NETWORK${NUMBER}_IPV4_COMMENT`"
+		eval IPV4_METHOD="$`echo NETWORK${NUMBER}_IPV4_METHOD`"
+		eval IPV4_ADDRESS="$`echo NETWORK${NUMBER}_IPV4_ADDRESS`"
+		eval IPV4_GATEWAY="$`echo NETWORK${NUMBER}_IPV4_GATEWAY`"
+		eval IPV4_NETMASK="$`echo NETWORK${NUMBER}_IPV4_NETMASK`"
+		eval IPV4_POST_UP="$`echo NETWORK${NUMBER}_IPV4_POST_UP`"
+		eval IPV4_POST_DOWN="$`echo NETWORK${NUMBER}_IPV4_POST_DOWN`"
+
+		eval IPV6_COMMENT="$`echo NETWORK${NUMBER}_IPV6_COMMENT`"
+		eval IPV6_METHOD="$`echo NETWORK${NUMBER}_IPV6_METHOD`"
+		eval IPV6_ADDRESS="$`echo NETWORK${NUMBER}_IPV6_ADDRESS`"
+		eval IPV6_GATEWAY="$`echo NETWORK${NUMBER}_IPV6_GATEWAY`"
+		eval IPV6_NETMASK="$`echo NETWORK${NUMBER}_IPV6_NETMASK`"
+		eval IPV6_POST_UP="$`echo NETWORK${NUMBER}_IPV6_POST_UP`"
+		eval IPV6_POST_DOWN="$`echo NETWORK${NUMBER}_IPV6_POST_DOWN`"
+
+		if [ "${IPV4_METHOD}" != "none" ] || [ "${IPV6_METHOD}" != "none" ]
+		then
+
+cat > "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+[Match]
+Name=eno${NUMBER}
+EOF
+
+		fi
+
+		if [ -n "${IPV4_METHOD}" ] && [ "${IPV4_METHOD}" != "none" ]
+		then
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+
+[Network]
+EOF
+
+			if [ -n "${IPV4_COMMENT}" ]
+			then
+				echo "Description=${IPV4_COMMENT}" >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network"
+			fi
+
+			case "${IPV4_METHOD}" in
+				dhcp)
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+DHCP=ipv4
+EOF
+
+					;;
+
+				static)
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+DHCP=no
+Address=${IPV4_ADDRESS}/${IPV4_NETMASK}
+EOF
+
+					if [ -n "${IPV4_GATEWAY}" ]
+					then
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+Gateway=${IPV4_GATEWAY}
+EOF
+
+					fi
+					;;
+			esac
+
+			if [ -n "${IPV4_POST_UP}" ]
+			then
+
+cat > "${DIRECTORY}/etc/systemd/system/cnt-ipv4-post-up-eno${NUMBER}.service" << EOF
+[Unit]
+Description=${SOFTWARE} IPV4_POST_UP
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "${IPV4_POST_UP}"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+				chroot "${DIRECTORY}" systemctl enable cnt-ipv4-post-up-eno${NUMBER}.service
+			fi
+
+			if [ -n "${IPV4_POST_DOWN}" ]
+			then
+
+cat > "${DIRECTORY}/etc/systemd/system/cnt-ipv4-post-down-eno${NUMBER}.service" << EOF
+[Unit]
+Description=${SOFTWARE} IPV4_POST_DOWN
+After=network.target
+Wants=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "${IPV4_POST_DOWN}"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+				chroot "${DIRECTORY}" systemctl enable cnt-ipv4-post-down-eno${NUMBER}.service
+			fi
+		fi
+
+		if [ -n "${IPV6_METHOD}" ] && [ "${IPV6_METHOD}" != "none" ]
+		then
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+
+[Network]
+EOF
+
+			if [ -n "${IPV6_COMMENT}" ]
+			then
+				echo "Description=${IPV6_COMMENT}" >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network"
+			fi
+
+			case "${IPV6_METHOD}" in
+				dhcp)
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+DHCP=ipv6
+EOF
+
+					;;
+
+				static)
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+DHCP=no
+IPv6AcceptRA=no
+Address=${IPV6_ADDRESS}/${IPV6_NETMASK}
+EOF
+
+					if [ -n "${IPV6_GATEWAY}" ]
+					then
+
+cat >> "${DIRECTORY}/etc/systemd/network/eno${NUMBER}.network" << EOF
+Gateway=${IPV6_GATEWAY}
+EOF
+
+					fi
+					;;
+			esac
+
+			if [ -n "${IPV6_POST_UP}" ]
+			then
+
+cat > "${DIRECTORY}/etc/systemd/system/cnt-ipv6-post-up-eno${NUMBER}.service" << EOF
+[Unit]
+Description=${SOFTWARE} IPV6_POST_UP
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "${IPV6_POST_UP}"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+				chroot "${DIRECTORY}" systemctl enable cnt-ipv6-post-up-eno${NUMBER}.service
+			fi
+
+			if [ -n "${IPV6_POST_DOWN}" ]
+			then
+
+cat > "${DIRECTORY}/etc/systemd/system/cnt-ipv6-post-down-eno${NUMBER}.service" << EOF
+[Unit]
+Description=${SOFTWARE} IPV6_POST_DOWN
+After=network.target
+Wants=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "${IPV6_POST_DOWN}"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+				chroot "${DIRECTORY}" systemctl enable cnt-ipv6-post-down-eno${NUMBER}.service
+			fi
+		fi
+
+		NUMBER="$((${NUMBER} + 1))"
+	done
+}
+
+Commands ()
+{
+	DIRECTORY="${1}"
+
+	# maximum of 15 characters, prefix is 'veth-'
+	HOSTNAME_SHORT="$(echo ${NAME} | cut -c-8)"
+	HOST_INTERFACE_NAME="$(echo ${NETWORK1_VETH:-veth-${HOSTNAME_SHORT}-0})"
+
+	sed -i	-e "s|^cnt.auto=.*|cnt.auto=${CNT_AUTO}|g" \
+		-e "s|^cnt.container-server=.*|cnt.container-server=${CNT_CONTAINER_SERVER}|g" \
+		-e "s|^cnt.network-bridge=.*|cnt.network-bridge=${HOST_INTERFACE_NAME}:${NETWORK1_BRIDGE:-bridge0}|g" \
+		-e "s|^cnt.overlay=.*|cnt.overlay=${CNT_OVERLAY}|g" \
+		-e "s|^cnt.overlay-options=.*|cnt.overlay-options=${CNT_OVERLAY_OPTIONS}|g" \
+		-e "s|^bind=.*|bind=${BIND}|g" \
+		-e "s|^bind-ro=.*|bind-ro=${BIND_RO}|g" \
+		-e "s|^network-veth-extra=.*|network-veth-extra=${HOST_INTERFACE_NAME}:eno1|g" \
+	"${CONFIG}/${NAME}.conf"
+
+	if [ "${NETWORK_NUMBER}" -ge 2 ]
+	then
+		for NUMBER in $(seq 2 ${NETWORK_NUMBER})
+		do
+			eval IPV4_METHOD="$`echo NETWORK${NUMBER}_IPV4_METHOD`"
+			eval IPV6_METHOD="$`echo NETWORK${NUMBER}_IPV6_METHOD`"
+
+			if [ -z "${IPV4_METHOD}" ] && [ -z "${IPV6_METHOD}" ]
+			then
+				continue
+			fi
+
+			eval HOST_INTERFACE_NAME="$`echo NETWORK${NUMBER}_VETH`"
+
+			HOST_INTERFACE_NAME="$(echo ${HOST_INTERFACE_NAME:-veth-${HOSTNAME_SHORT}-${NUMBER}})"
+			CONTAINER_INTERFACE_NAME="eno${NUMBER}"
+
+			sed -i -e "/^register=.*/ a network-veth-extra=${HOST_INTERFACE_NAME}:${CONTAINER_INTERFACE_NAME}" "${CONFIG}/${NAME}.conf"
+
+			eval BRIDGE="$`echo NETWORK${NUMBER}_BRIDGE`"
+			sed -i -e "/^register=.*/ a cnt.network-bridge=${HOST_INTERFACE_NAME}:${BRIDGE:-bridge${NUMBER}}" "${CONFIG}/${NAME}.conf"
+		done
+	fi
+
+	# Setting root password
+	echo root:${ROOT_PASSWORD} | chroot "${DIRECTORY}" chpasswd
+
+	# Host command
+	if [ -n "${HOST_COMMAND}" ]
+	then
+		echo "${HOST_COMMAND}" > "${DIRECTORY}/.host-command"
+
+		cd "${DIRECTORY}"
+		sh "${DIRECTORY}/.host-command"
+		cd "${OLDPWD}"
+
+		rm -f "${DIRECTORY}/.host-command"
+	fi
+
+	for NUMBER in $(seq 1 ${HOST_COMMAND_NUMBER})
+	do
+		eval COMMAND="$`echo HOST_COMMAND${NUMBER}`"
+
+		echo "${COMMAND}" > "${DIRECTORY}/.host-command"
+
+		cd "${DIRECTORY}"
+		sh "${DIRECTORY}/.host-command"
+		cd "${OLDPWD}"
+
+		rm -f "${DIRECTORY}/.host-command"
+	done
+
+	# Show root password in case its automatically set
+	case "${ROOT_RANDOM_PASSWORD}" in
+		true)
+			echo "${NAME}: root password set to '${ROOT_PASSWORD}'."
+			;;
+	esac
+}
+
+# Trap function
+trap 'Umount' EXIT HUP INT QUIT TERM
+
+umask 0022
+
+export NAME
+
+Debconf
+
+# Pre hooks
+for FILE in "${HOOKS}/pre-${SCRIPT}".* "${HOOKS}/${NAME}.pre-${SCRIPT}"
+do
+	if [ -x "${FILE}" ]
+	then
+		"${FILE}"
+	fi
+done
+
+# Run debconf parts
+for DEBCONF_SCRIPT in "/usr/share/${SOFTWARE}/build-scripts/debconf.d"/*
+do
+	if [ -x "${DEBCONF_SCRIPT}" ]
+	then
+		"${DEBCONF_SCRIPT}"
+	fi
+done
+
+# Read-in configuration from debconf
+. "${DEBCONF_TMPDIR}/debconf.default"
+
+SYSTEM="${MACHINES}/${NAME}"
+
+## Generic parts
+if [ ! -e "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}" ]
+then
+	Debootstrap "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}.tmp"
+	Configure_apt "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}.tmp"
+	Deconfigure_system "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}.tmp"
+
+	mv "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}.tmp" "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}"
+fi
+
+Upgrade_system "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}" || echo "W: If upgrading the system failed, try removing the cache for your distribution in /var/cache/${PROGRAM}"
+Cleanup_system "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}"
+
+## Specific parts
+mkdir -p "${MACHINES}"
+cp -a "${CACHE}/${DISTRIBUTION}_${ARCHITECTURE}" "${MACHINES}/${NAME}"
+
+Mount
+
+Configure_system "${MACHINES}/${NAME}"
+Configure_network "${MACHINES}/${NAME}"
+Configure_systemd_networkd "${MACHINES}/${NAME}"
+Cleanup_system "${MACHINES}/${NAME}"
+
+Commands "${MACHINES}/${NAME}"
+
+# remove debconf temporary files
+rm --preserve-root --one-file-system -rf "${DEBCONF_TMPDIR}"
+rmdir --ignore-fail-on-non-empty "/tmp/${SOFTWARE}" 2>&1 || true
+
+# Post hooks
+for FILE in "${HOOKS}/post-${SCRIPT}".* "${HOOKS}/${NAME}.post-${SCRIPT}"
+do
+	if [ -x "${FILE}" ]
+	then
+		"${FILE}"
+	fi
+done