#!/bin/sh # container-tools - Manage systemd-nspawn containers # Copyright (C) 2014-2017 Daniel Baumann # # 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 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 ${NAME} | tail -n1)" fi sed -e "s|@NAME@|${NAME}|g" \ -e "s|@IPV4_ADDRESS@|${IPV4_ADDRESS}|g" \ "${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"