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0bedce1135e9070c458cae6705b6bf7ca3e83b37
docker_tools/sbin/mk_base_image
Arnaud G. GIBERT 0bedce1135 - Improve and simplify mk_base_image script, 
- Remove mbi_func_exec and recurive recall from mk_base_image.
- Add RX3_LIB_DIR env variable support,
- Now support rx3-base 1.1.1.
2026-04-10 17:14:36 +02:00

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#!/bin/bash
#-----------------------------------------------------------------------------------------------------------------------------------
#
# Mk Base Image
#
# Copyright (C) 2026 Arnaud G. GIBERT
# mailto:arnaud@rx3.net
#
# This is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser 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/>.
#
#-----------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------
# Includes
#-----------------------------------------------------------------------------------------------------------------------------------
: "${RX3_LIB_DIR:=/usr/lib/rx3}"
. "${RX3_LIB_DIR}/docker_tools.bash"
#-----------------------------------------------------------------------------------------------------------------------------------
# Global Variables
#-----------------------------------------------------------------------------------------------------------------------------------
declare -g VERSION=1.0.1
declare -g NAME="MBI"
declare -g HELP="usage: mk_base_image [[-h | --help] | [-V | --version] | [-p | --pre] | [-P | --post] | [-s | --strip] | [-u | --unstrip]] [-D | --direct] [-d | --distrib <Distrib>] [-l | --lang <Lang>] [-L | --language <Langage>] [-m | --localtime <Local_Time>] [-r | --root <Root_Dir>] [-t | --tmp <Tmp_Dir>] [-T | --test] [-v | --verbose]"
declare -g TMP_DIR_DEF="/tmp/mk_base_image"
declare -g ROOT_DIR_DEF="/var/tmp/base_root"
declare -g DISTRIB_DEF="9"
declare -g LANG_DEF="en_US.UTF-8"
declare -g LANGUAGE_DEF="en_US.UTF-8:en_US:en"
declare -g LOCALTIME_DEF="Europe/Paris"
declare -Ag CONTAINER_TAB
declare -g BUILDER_DIR="/"
declare -g ROOT_DIR="${ROOT_DIR_DEF}"
declare -g TMP_DIR="${TMP_DIR_DEF}"
declare -g DISTRIB="${DISTRIB_DEF}"
declare -g LANG="${LANG_DEF}"
declare -g LANGUAGE="${LANGUAGE_DEF}"
declare -g LOCALTIME="${LOCALTIME_DEF}"
declare -g MODE="DEFAULT"
declare -g VERBOSE="FALSE"
declare -g DRY_RUN="FALSE"
declare -g DIRECT="FALSE"
declare -g NAME_SERVER_0='10.10.0.254'
declare -g NAME_SERVER_1='8.8.8.8'
# find / 2>/dev/null | grep -v -e "^/dev" -e "^/proc" -e "^/run" -e "^/sys/" >/root/after
#-----------------------------------------------------------------------------------------------------------------------------------
# Version
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_version_print()
{
version_print
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Help
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_help_print()
{
mbi_version_print
help_print
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Arg Parse
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_args_parse()
{
tmp_args=$(getopt -o d:Dhl:L:m:pPr:Tt:suvV --long distrib:,direct,help,lang:,language:,localtime:,pre,post,root:,test,tmp:,strip,unstrip,verbose,version -- "$@")
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
# Note the quotes around `$tmp_args': they are essential!
eval set -- "${tmp_args}"
while true ; do
case "$1" in
# Options
-d|--distrib) shift; DISTRIB="$1"; shift; RECALL_OPTS+=" --distrib ${DISTRIB}";;
-D|--direct) DIRECT="TRUE"; shift;;
# Local options
-l|--lang) shift; LANG="$1"; shift; RECALL_OPTS+=" --lang ${LANG}";;
-L|--language) shift; LANGUAGE="$1"; shift; RECALL_OPTS+=" --language ${LANGUAGE}";;
-m|--localtime) shift; LOCALTIME="$1"; shift; RECALL_OPTS+=" --localtime ${LOCALTIME}";;
# Path options
-t|--tmp) shift; TMP_DIR="$1"; shift;;
-r|--root) shift; ROOT_DIR="$1"; shift;;
# Mode switches
-h|--help) MODE="EXIT"; mbi_help_print; shift;;
-p|--pre) MODE="PRE"; shift;;
-P|--post) MODE="POST"; shift;;
-s|--strip) MODE="STRIP"; shift;;
-u|--unstrip) MODE="UNSTRIP"; shift;;
-V|--version) MODE="EXIT"; mbi_version_print; shift;;
# Global options
-T|--test) DRY_RUN="TRUE"; shift; RECALL_OPTS+=" --test";;
-v|--verbose) VERBOSE="TRUE"; shift; RECALL_OPTS+=" --verbose";;
#
--) shift; break;;
*) echo "args_parse internal error [$1] !"; exit 1;;
esac
done
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Container Tab Init
#-----------------------------------------------------------------------------------------------------------------------------------
mbi_container_tab_init()
{
CONTAINER_TAB["Builder,Name"]="rx3-builder"
CONTAINER_TAB["Builder,Source"]="docker.io/library/mageia:${DISTRIB_DEF}"
CONTAINER_TAB["Root,Name"]="rx3-mageia${DISTRIB}"
CONTAINER_TAB["Root,Source"]="scratch"
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Env Init
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_env_init()
{
root_clean="$1"
if [[ -d "${TMP_DIR}" ]]
then
echo_error "Removing Tmp Dir: [${TMP_DIR}] content..."
cmd_exec echo rm -R "${TMP_DIR}/*"
else
echo_error "Creating Tmp Dir: [${TMP_DIR}]..."
cmd_exec mkdir -p "${TMP_DIR}"
fi
if [[ "${DIRECT}" == "TRUE" ]]
then
if [[ -d "${ROOT_DIR}" ]]
then
if [[ "${root_clean}" == "TRUE" ]]
then
echo_error "Removing Root Dir: [${ROOT_DIR}] content..."
sh_exec echo rm -R "${ROOT_DIR}/*"
else
echo_error "Keeping Root Dir content..."
fi
else
if [[ "${root_clean}" == "TRUE" ]]
then
echo_error "Creating Root Dir: [${ROOT_DIR}]..."
cmd_exec mkdir -p "${ROOT_DIR}"
else
echo_error "Error: Root Dir: [${ROOT_DIR}] not found!"
exit 1
fi
fi
else
for container_id in "Builder" "Root"
do
container_name="${CONTAINER_TAB["${container_id},Name"]}"
if [[ "${root_clean}" == "TRUE" ]]
then
if [[ $( buildah ls | grep ${container_name}) != "" ]]
then
sh_exec "buildah rm \"${container_name}\" >/dev/null"
fi
sh_exec "buildah from --name \"${container_name}\" \"${CONTAINER_TAB[${container_id},Source]}\" >/dev/null"
sh_exec "buildah config --label maintainer=\"Arnaud G. GIBERT <arnaud@rx3.net>\" \"${container_name}\""
else
if [[ $( buildah ls | grep ${container_name}) == "" ]]
then
echo_error "buildah container: [${container_name}] not found!"
exit 1
fi
fi
done
if [[ "${BUILDAH_ISOLATION:-}" != "rootless" ]]
then
echo_error "Unsharing..."
cmd_exec buildah unshare "$0" ${ORIG_ARGS[@]}
exit $?
else
BUILDER_DIR=$(buildah mount ${CONTAINER_TAB["Builder,Name"]})
ROOT_DIR=$(buildah mount ${CONTAINER_TAB["Root,Name"]})
echo_error "Making Builder..."
cmd_exec cp /etc/resolv.conf "${BUILDER_DIR}/etc/resolv.conf"
cmd_exec chroot "${BUILDER_DIR}" bash -c 'curl -L http://mirror.rx3.net/rx3/sbin/urpmi-setup-'${DISTRIB}' | bash'
cmd_exec chroot "${BUILDER_DIR}" urpmi --force rx3-base
fi
fi
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Env DeInit
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_env_deinit()
{
if [[ -d "${TMP_DIR}" ]]
then
echo_error "Removing Tmp Dir: [${TMP_DIR}] content..."
cmd_exec echo rm -R "${TMP_DIR}/*"
fi
if [[ "${DIRECT}" != "TRUE" ]]
then
container_name="${CONTAINER_TAB["Builder,Name"]}"
if [[ $( buildah ls | grep ${container_name}) != "" ]]
then
sh_exec "buildah umount \"${container_name}\" >/dev/null"
sh_exec "buildah rm \"${container_name}\" >/dev/null"
fi
container_name="${CONTAINER_TAB["Root,Name"]}"
if [[ $( buildah ls | grep ${container_name}) != "" ]]
then
sh_exec "buildah commit \"${container_name}\" >/dev/null"
fi
fi
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base Install Pre
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_base_install_pre()
{
if [[ "${DIRECT}" == "FALSE" ]]
then
echo_error "Chrooting in Builder_Dir: [${BUILDER_DIR}] for Pre-Install.."
cmd_exec mkdir -p "${BUILDER_DIR}/${ROOT_DIR_DEF}"
cmd_exec mount --bind "${ROOT_DIR}" "${BUILDER_DIR}/${ROOT_DIR_DEF}"
chroot_cmd="chroot ${BUILDER_DIR}"
root_dir="${ROOT_DIR_DEF}"
else
echo_error "Direct Pre-Install..."
chroot_cmd=""
root_dir="${ROOT_DIR}"
fi
cmd_exec ${chroot_cmd} bash -c 'rm /var/cache/urpmi/rpms/* || true'
cmd_exec ${chroot_cmd} urpmi --root ${root_dir} --force --no-install --no-recommends --nolock --reinstall --download-all ${TMP_DIR} --downloader curl makedev filesystem curl urpmi rx3-base
cmd_exec ${chroot_cmd} bash -c 'rpm --root '${root_dir}' --initdb'
cmd_exec ${chroot_cmd} bash -c 'rpm --root '${root_dir}' -Uvh --nodeps --noscripts '${TMP_DIR}'/rpms/filesystem*'
cmd_exec ${chroot_cmd} bash -c 'rm '${TMP_DIR}'/rpms/filesystem*'
cmd_exec ${chroot_cmd} bash -c 'rpm --root '${root_dir}' -Uvh --nodeps --noscripts '${TMP_DIR}'/rpms/makedev*'
cmd_exec ${chroot_cmd} bash -c 'rm '${TMP_DIR}'/rpms/makedev*'
cmd_exec ${chroot_cmd} bash -c 'rpm --root '${root_dir}' -Uvh --nodeps '${TMP_DIR}'/rpms/*'
cmd_exec ${chroot_cmd} bash -c 'rm -R '${TMP_DIR}
# Enable Neworking
sh_exec 'echo -e "nameserver '${NAME_SERVER_0}'\nnameserver '${NAME_SERVER_1}'" >"'${ROOT_DIR}'/etc/resolv.conf"'
sh_exec 'echo -e "NETWORKING=yes" >"'${ROOT_DIR}'/etc/sysconfig/network"'
if [[ "${DIRECT}" == "FALSE" ]]
then
cmd_exec umount "${BUILDER_DIR}/${ROOT_DIR_DEF}"
fi
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base Install Post
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_base_install_post()
{
cmd_exec chroot ${ROOT_DIR} urpmi-setup --verbose --distrib "${DISTRIB}"
# cmd_exec chroot ${ROOT_DIR} bash -c 'curl -L http://mirror.rx3.net/rx3/sbin/urpmi-setup-'${DISTRIB}' | bash'
cmd_exec chroot ${ROOT_DIR} urpmi --force --auto-update
cmd_exec chroot ${ROOT_DIR} urpmi --force basesystem-minimal locales locales-en shared-mime-info vim-minimal mpm
sh_exec 'echo -e "LANG='${LANG}'\nLANGUAGE='${LANGUAGE}'" >"'"${ROOT_DIR}"'/etc/locale.conf"'
cmd_exec chroot ${ROOT_DIR} ln -s /usr/share/zoneinfo/${LOCALTIME} "/etc/localtime"
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base Strip
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_base_strip()
{
# RPM force uninstall
cmd_exec chroot ${ROOT_DIR} rpm -e --nodeps cracklib-dicts
cmd_exec chroot ${ROOT_DIR} rpm -e dhcp-common dhcp-client cronie-anacron
# Docker mounts tmpfs at /dev and procfs at /proc so we can remove them
cmd_exec rm -rf "${ROOT_DIR}"/dev "${ROOT_DIR}"/proc 2>/dev/null
cmd_exec mkdir -p "${ROOT_DIR}"/dev "${ROOT_DIR}"/proc 2>/dev/null
# Keep only en_US.UTF8 locale
cmd_exec rm -rf "${ROOT_DIR}"/usr/share/locale/!("en_US.UTF-8"|"locale.alias"|"locale-archive")
cmd_exec rm -rf "${ROOT_DIR}"/usr/{{lib,lib64}/gconv,bin/localedef,sbin/build-locale-archive}
# Docs
cmd_exec rm -rf "${ROOT_DIR}"/usr/share/{man,doc,info,gnome/help}
# sln
cmd_exec rm -rf "${ROOT_DIR}"/sbin/sln
# ldconfig
cmd_exec rm -rf "${ROOT_DIR}"/etc/ld.so.cache "${ROOT_DIR}"/var/cache/ldconfig
cmd_exec mkdir -p --mode=0755 "${ROOT_DIR}"/var/cache/ldconfig
# UDev
cmd_exec rm -rf "${ROOT_DIR}"/usr/lib/udev
cmd_exec rm -rf "${ROOT_DIR}"/etc/udev/hwdb.bin
cmd_exec rm -rf "${ROOT_DIR}"/usr/lib/.build-id
# Cache & Tmp
cmd_exec rm -rf "${ROOT_DIR}"/var/cache/urpmi/rpms 2>/dev/null
cmd_exec rm -rf "${ROOT_DIR}"/tmp/*
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base UnStrip
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_base_unstrip()
{
cmd_exec chroot ${ROOT_DIR} urpmi.update -a
# Install uninstalled packages
cmd_exec chroot ${ROOT_DIR} urpmi --force cracklib-dicts dhcp-common dhcp-client cronie-anacron
# Force reinstall all packages
cmd_exec chroot ${ROOT_DIR} urpmi --force --replacepkgs $(rpm -qa | grep -v gpg-pubkey)
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Main
#-----------------------------------------------------------------------------------------------------------------------------------
ORIG_ARGS=("$@")
for var in $(env | grep -e LC_); do unset ${var/=*/}; done
export LC_ALL="C"
mbi_args_parse "$@"
mbi_container_tab_init
if [[ ${MODE} == "EXIT" ]]
then
exit 0
fi
echo_error "MBI: Mode: [${MODE}] Verbose: [${VERBOSE}] Distrib: [${DISTRIB}] Direct: [${DIRECT}] Dry_Run: [${DRY_RUN}] Lang: [${LANG}] Language: [${LANGUAGE}] Local_Time: [${LOCALTIME}] Builder_Dir: [${BUILDER_DIR}] Root_Dir: [${ROOT_DIR}] Tmp_Dir: [${TMP_DIR}]"
if [[ "${MODE}" == "DEFAULT" ]]
then
mbi_env_init "TRUE"
else
mbi_env_init "FALSE"
fi
case "${MODE}" in
"DEFAULT")
mbi_base_install_pre
mbi_base_install_post
mbi_base_strip
mbi_env_deinit
;;
"PRE")
mbi_base_install_pre
;;
"POST")
mbi_base_install_post
;;
"STRIP")
mbi_base_strip
;;
"UNSTRIP")
mbi_base_unstrip
;;
esac
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