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|
#!/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"
CONFIG="/etc/${SOFTWARE}/config"
DEBCONF="/etc/${SOFTWARE}/debconf"
DEBCONF_NOWARNINGS="true"
export DEBCONF_NOWARNINGS
. /usr/share/debconf/confmodule
# debconf template hierarchy (first match wins):
#
# 1. user specified a preseed file through commandline options
# 2. /etc/compute-tools/debconf/${NAME}.cfg exists
# 3. /etc/compute-tools/debconf/*/${NAME}.cfg exists (only one file!)
# 4. /etc/compute-tools/debconf/default.cfg exists
# 5. user chooses from list of available (if any) *.cfg files
# (recursively) found in /etc/compute-tools/debconf.
if [ -n "${PRESEED_FILE}" ]
then
# user specified one or more preseed files through commandline option
db_set container/preseed-file "${PRESEED_FILE}"
db_fset container/preseed-file seen true
elif [ -e "${DEBCONF}/${NAME}.cfg" ]
then
# user did not specify a pressed file, but there is a matching one
# available on the system matching the container name
db_set container/preseed-file "${DEBCONF}/${NAME}.cfg"
db_fset container/preseed-file seen true
elif [ "$(ls ${DEBCONF}/*/${NAME}.cfg 2>/dev/null | wc -l)" -eq 1 ]
then
# user did not specify a pressed file, but there is 1 (and only 1)
# matching in a sub-directory of /etc/${SOFTWARE}/debconf
FILE="$(ls ${DEBCONF}/*/${NAME}.cfg)"
db_set container/preseed-file "${FILE}"
db_fset container/preseed-file seen true
elif [ -e "${DEBCONF}/default.cfg" ]
then
# user did not specify a pressed file, but there is a default one
db_set container/preseed-file "${DEBCONF}/default.cfg"
db_fset container/preseed-file seen true
elif ls "${DEBCONF}"/*.cfg > /dev/null 2>&1 || ls "${DEBCONF}"/*/*.cfg > /dev/null 2>&1
then
# user has not specified preseed files through commandline option,
# showing debconf selection dialog for global preseed file.
FILES="$(cd ${DEBCONF} && find . -type f -name '*.cfg' -printf '%P\n' | LC_ALL=C sort -V)"
PRESEED_FILES="$(for FILE in ${FILES}; do echo -n "$(echo ${FILE} | sed -e 's|.cfg$||'), "; done | sed -e 's|, $||')"
if [ -n "${PRESEED_FILES}" ]
then
db_subst container/preseed-files CHOICES "custom, exit, none, , ${PRESEED_FILES}"
db_settitle container/title
db_input high container/preseed-files || true
db_go
db_get container/preseed-files
PRESEED_FILE="${RET}" # select
case "${PRESEED_FILE}" in
custom|none)
;;
exit)
rm -f "${CONFIG}/${NAME}.conf"
exit 1
;;
*)
# user specified preseed file through debconf select
db_set container/preseed-file "${DEBCONF}/${PRESEED_FILE}.cfg"
db_fset container/preseed-file seen true
;;
esac
fi
fi
case "${PRESEED_FILE}" in
none)
;;
*)
# ask user for a preseed file
db_settitle container/title
db_input high container/preseed-file || true
db_go
db_get container/preseed-file
PRESEED_FILE="${RET}" # string (w/ empty)
echo "PRESEED_FILE=\"${PRESEED_FILE}\"" >> "${DEBCONF_TMPDIR}/debconf.default"
export PRESEED_FILE
;;
esac
db_stop
|
