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#!/bin/sh
# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2017 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# 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
if [ -e "${DEBCONF_TMPDIR}/debconf.default" ]
then
. "${DEBCONF_TMPDIR}/debconf.default"
fi
if [ -z "${PRESEED_FILE}" ]
then
# user has not specified or selected any preseed files
exit 0
fi
# user has one or more preseed file specified through commandline option
# or debconf selection dialog.
PRESEED_FILES="$(echo ${PRESEED_FILE} | sed -e 's|,| |g')"
DEBCONF_PRESEED_FILES=""
for PRESEED_FILE in ${PRESEED_FILES}
do
if [ ! -e "${PRESEED_FILE}" ]
then
# preseed file does not exist
echo "W: ${PRESEED_FILE}: No such file."
continue
fi
# add preseed file to debconf
DEBCONF_PRESEED_FILES="${DEBCONF_PRESEED_FILES} ${PRESEED_FILE}"
if ! grep -qs '^ *container-tools *cnt-debconf/include-preseed-files' "${PRESEED_FILE}"
then
# preseed file has no includes
continue
fi
# preseed file has includes
INCLUDE_PRESEED_FILES="$(grep '^ *container-tools *cnt-debconf/include-preseed-files' ${PRESEED_FILE} | awk '{ $1=$2=$3=""; print $0 }' | sed -e 's|,| |g')"
# FIXME: we're supporting only *ONE* include layer for now, so no nested/recursive includes just yet
for FILE in ${INCLUDE_PRESEED_FILES}
do
if [ -e "${FILE}" ]
then
DEBCONF_PRESEED_FILES="${FILE} ${DEBCONF_PRESEED_FILES}"
else
# included preseed file does not exist
echo "W: ${INCLUDE_PRESEED_FILE}: No such file - included from ${PRESEED_FILE}"
fi
done
done
for DEBCONF_PRESEED_FILE in ${DEBCONF_PRESEED_FILES}
do
if [ -e /usr/bin/kdig ]
then
DIG="/usr/bin/kdig"
elif [ -e /usr/bin/dig ]
then
DIG="/usr/bin/dig"
fi
if [ -n "${DIG}" ]
then
IPV4_ADDRESS="$(${DIG} +short ${NAME} | tail -n1)"
IPV4_ADDRESS_PART1="$(echo ${IPV4_ADDRESS} | cut -d. -f1)"
IPV4_ADDRESS_PART2="$(echo ${IPV4_ADDRESS} | cut -d. -f2)"
IPV4_ADDRESS_PART3="$(echo ${IPV4_ADDRESS} | cut -d. -f3)"
IPV4_ADDRESS_PART4="$(echo ${IPV4_ADDRESS} | cut -d. -f4)"
fi
sed -e "s|@NAME@|${NAME}|g" \
-e "s|@IPV4_ADDRESS@|${IPV4_ADDRESS}|g" \
-e "s|@IPV4_ADDRESS_PART1@|${IPV4_ADDRESS_PART1}|g" \
-e "s|@IPV4_ADDRESS_PART2@|${IPV4_ADDRESS_PART2}|g" \
-e "s|@IPV4_ADDRESS_PART3@|${IPV4_ADDRESS_PART3}|g" \
-e "s|@IPV4_ADDRESS_PART4@|${IPV4_ADDRESS_PART4}|g" \
"${DEBCONF_PRESEED_FILE}" > "${DIRECTORY}/preseed.cfg"
# Apply user specified preseed files
debconf-set-selections "${DIRECTORY}/preseed.cfg"
rm -f "${DIRECTORY}/preseed.cfg"
done
# Write expanded list of debconf preseed files
echo "PRESEED_FILE=\"${DEBCONF_PRESEED_FILES}\"" >> "${DEBCONF_TMPDIR}/debconf.default"
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