/usr/share/container-tools/scripts/debconf.d/0002-preseed-debconf is in open-infrastructure-container-tools 20180218-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | #!/bin/sh
# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2018 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
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_ADDRESS1="$(${DIG} +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 ${IPV4_ADDRESS1} | cut -d. -f4)"
fi
sed -e "s|@NAME@|${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@|${IPV4_ADDRESS1_PART4}|g" \
"${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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