#!/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
# .
#
#-----------------------------------------------------------------------------------------------------------------------------------
#-----------------------------------------------------------------------------------------------------------------------------------
# Includes
#-----------------------------------------------------------------------------------------------------------------------------------
. /usr/lib/rx3/docker_tools.bash
#-----------------------------------------------------------------------------------------------------------------------------------
# Global Variables
#-----------------------------------------------------------------------------------------------------------------------------------
declare -g VERSION=1.0.0
declare -g NAME="MBI"
declare -g HELP="usage: mk_base_image [[-h | --help] | [-V | --version] | [-p | --post] | [-s | --strip] | [-u | --unstrip]] [-D | --direct] [-d | --distrib ] [-l | --lang ] [-L | --language ] [-m | --localtime ] [-r | --root ] [-t | --tmp ] [-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 -g CONTAINER_NAME='rx3-mageia${DISTRIB}'
declare -g ROOT_DIR="${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'
#-----------------------------------------------------------------------------------------------------------------------------------
# Func Exec
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_func_exec()
{
func="$1"
arg="$2"
name="$3"
if [[ "${DIRECT}" != "TRUE" ]] || [[ "${ROOT_DIR}" != "/" ]]
then
echo_error "Only direct ${name} and / Root Dir supported: Recall..."
cmd_exec 'chroot "${ROOT_DIR}" '"mk_base_image ${arg} --direct --root / ${RECALL_OPTS}"
else
set +e
# find / 2>/dev/null | grep -v -e "^/dev" -e "^/proc" -e "^/run" -e "^/sys/" >/root/before
declare -f ${func} | sed -n '/^{/,/^}/p' | sed -e '1d;$d' -e 's/;$//' | grep -v -E '^$|^#' | while read -r line
do
cmd_exec "${line}"
done
# find / 2>/dev/null | grep -v -e "^/dev" -e "^/proc" -e "^/run" -e "^/sys/" >/root/after
fi
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Version
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_version_print()
{
version_print
# echo "MBI Version: [${VERSION}]"
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Help
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_help_print()
{
mbi_version_print
help_print
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Arg Parse
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_args_parse()
{
tmp_args=$(getopt -o d:Dhl:L:m:pr:Tt:suvV --long distrib:,direct,help,lang:,language:,localtime:,post,root:,test,tmp:,strip,unstrip,verbose,version -- "$@")
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;;
-s|--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
}
#-----------------------------------------------------------------------------------------------------------------------------------
# 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..."
cmd_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: [${ROOT_DIR}] not found!"
exit 1
fi
fi
else
if [[ "${root_clean}" == "TRUE" ]]
then
if [[ $( buildah ls | grep ${CONTAINER_NAME}) != "" ]]
then
cmd_exec "buildah rm \"${CONTAINER_NAME}\" >/dev/null"
fi
cmd_exec "buildah from --name \"${CONTAINER_NAME}\" scratch >/dev/null"
cmd_exec "buildah config --label maintainer=\"Arnaud G. GIBERT \" \"${CONTAINER_NAME}\""
else
if [[ $( buildah ls | grep ${CONTAINER_NAME}) == "" ]]
then
echo_error "buildah container: [${CONTAINER_NAME}] not found!"
exit 1
fi
fi
if [[ "${BUILDAH_ISOLATION:-}" != "rootless" ]]
then
echo_error "Unsharing..."
cmd_exec 'buildah unshare "'$0'" ${ORIG_ARGS[@]}'
exit $?
fi
ROOT_DIR=$(buildah mount ${CONTAINER_NAME})
fi
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base Install Pre
#-----------------------------------------------------------------------------------------------------------------------------------
function mbi_base_install_pre()
{
cmd_exec 'urpmi-setup --verbose --distrib "${DISTRIB}"'
cmd_exec 'urpmi --root ${ROOT_DIR} --force --no-install --no-recommends --nolock --reinstall --download-all ${TMP_DIR} --downloader curl makedev filesystem curl urpmi rx3-base docker_tools-devel'
cmd_exec 'rpm --root ${ROOT_DIR} --initdb'
cmd_exec 'rpm --root ${ROOT_DIR} -Uvh --nodeps --noscripts ${TMP_DIR}/rpms/filesystem*'
cmd_exec 'rm ${TMP_DIR}/rpms/filesystem*'
cmd_exec 'rpm --root ${ROOT_DIR} -Uvh --nodeps --noscripts ${TMP_DIR}/rpms/makedev*'
cmd_exec 'rm ${TMP_DIR}/rpms/makedev*'
cmd_exec 'rpm --root ${ROOT_DIR} -Uvh --nodeps ${TMP_DIR}/rpms/*'
cmd_exec 'rm -R ${TMP_DIR}'
# Enable Neworking
cmd_exec 'echo -e "nameserver ${NAME_SERVER_0}\nnameserver ${NAME_SERVER_1}" >"${ROOT_DIR}/etc/resolv.conf"'
cmd_exec 'echo -e "NETWORKING=yes" >"${ROOT_DIR}/etc/sysconfig/network"'
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base Install Post
#-----------------------------------------------------------------------------------------------------------------------------------
function _mbi_base_install_post()
{
urpmi-setup --verbose --distib "${DISTRIB}"
urpmi --force basesystem-minimal locales locales-en shared-mime-info vim-minimal mpm
echo -e "LANG=${LANG}\nLANGUAGE=${LANGUAGE}" >"${ROOT_DIR}/etc/locale.conf"
ln -s /usr/share/zoneinfo/${LOCALTIME} "${ROOT_DIR}/etc/localtime"
}
function mbi_base_install_post()
{
mbi_func_exec "_mbi_base_install_post" "--post" "post-installing"
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base Strip
#-----------------------------------------------------------------------------------------------------------------------------------
function _mbi_base_strip()
{
# RPM force uninstall
rpm -e --nodeps cracklib-dicts buildah
rpm -e dhcp-common dhcp-client cronie-anacron opencontainers-runc lib64gpgme11 gnupg2 lib64ksba8 lib64usb1.0_0 lib64npth0 lib64assuan0
# Docker mounts tmpfs at /dev and procfs at /proc so we can remove them
rm -rf /dev /proc 2>/tmp/null
mkdir -p /dev /proc 2>/tmp/null
# Keep only en_US.UTF8 locale
rm -rf /usr/share/locale/!("en_US.UTF-8"|"locale.alias"|"locale-archive")
rm -rf /usr/{{lib,lib64}/gconv,bin/localedef,sbin/build-locale-archive}
# Docs
rm -rf /usr/share/{man,doc,info,gnome/help}
# sln
rm -rf /sbin/sln
# ldconfig
rm -rf /etc/ld.so.cache /var/cache/ldconfig
mkdir -p --mode=0755 /var/cache/ldconfig
# UDev
rm -rf /usr/lib/udev
rm -rf /etc/udev/hwdb.bin
rm -rf /usr/lib/.build-id
# Cache & Tmp
rm -rf /var/cache/urpmi/rpms 2>/tmp/null
rm -rf /tmp/*
}
function mbi_base_strip()
{
mbi_func_exec "_mbi_base_strip" "--strip" "stripping"
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Base UnStrip
#-----------------------------------------------------------------------------------------------------------------------------------
function _mbi_base_unstrip()
{
urpmi.update -a
# Install uninstalled packages
urpmi --force cracklib-dicts buildah dhcp-common dhcp-client cronie-anacron buildah opencontainers-runc lib64gpgme11 gnupg2 lib64ksba8 lib64usb1.0_0 lib64npth0 lib64assuan0
# Force reinstall all packages
urpmi --force --replacepkgs $(rpm -qa | grep -v gpg-pubkey)
}
function mbi_base_unstrip()
{
mbi_func_exec "_mbi_base_unstrip" "--unstrip" "unstripping"
}
#-----------------------------------------------------------------------------------------------------------------------------------
# Main
#-----------------------------------------------------------------------------------------------------------------------------------
ORIG_ARGS=("$@")
for var in $(env | grep -e LC_); do unset ${var/=*/}; done
export LC_ALL="C"
mbi_args_parse "$@"
if [[ ${MODE} == "EXIT" ]]
then
exit 0
fi
echo_error "MBI: Mode: [${MODE}] Verbose: [${VERBOSE}] Distrib: [${DISTRIB}] Direct: [${DIRECT}] Dry_Run: [${DRY_RUN}] Root_Dir: [${ROOT_DIR}] Tmp_Dir: [${TMP_DIR}] Lang: [${LANG}] Language: [${LANGUAGE}] Local_Time: [${LOCALTIME}]"
eval CONTAINER_NAME=${CONTAINER_NAME}
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
;;
"POST")
mbi_base_install_post
;;
"STRIP")
mbi_base_strip
;;
"UNSTRIP")
mbi_base_unstrip
;;
esac