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#!/bin/bash
# -----------------------------------------------------------------------------
#
# Copyright (c) 2013 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
#
#
# Script to create the stage3.1 root file system:
# - generate the rootfs directory structure and copy system devices
# - copies kernel modules and firmware as given in the config
# file (core/core.conf) to be able to load NIC/GFX modules early.
# - compile and include following tools: 'busybox' and 'hwinfo'
#
MODULE_DIR="${ROOT_DIR}/remote"
STAGE31_DIR="${MODULE_DIR}/stage3.1"
initial_checks() {
[ ! -z "${KERNEL_VERSION}" ] || perror "No kernel version, cannot proceed."
[ ! -z "${ARCH_TRIPLET}" ] || perror "No arch triplet, cannot proceed."
[ -d "${STAGE31_DIR}" ] || mkdir -p "${STAGE31_DIR}"
[ ! -z "$(which depmod)" ] || perror "No 'depmod' found on this systemd."
[ -d "${MODULE_DIR}"/tools/busybox/build ] \
|| perror "No busybox found, build it with './mltk tools -b busybox'"
}
read_config() {
local CORE_CONFIG="${MODULE_DIR}/core/core.conf"
[ ! -e "${CORE_CONFIG}" ] && perror "${MODULE_DIR}/core/core.conf not found."
. "${CORE_CONFIG}" || perror "Sourcing "${MODULE_DIR}"/core/core.conf failed."
}
generate_rootfs() {
# create basic directory structure
mkdir -p "${STAGE31_DIR}"/{bin,dev,proc,run,etc,mnt,sys} \
|| perror "Cannot create basic directory structure in '${STAGE31_DIR}'"
# copy device files from running system
cp -a /dev/{console,kmsg,mem,null,tty,tty0,tty1,tty9,urandom,zero} \
"${STAGE31_DIR}"/dev || perror "Cannot copy devices from running system"
# copy libc and ld-linux
tarcopy "$(list_basic_libs)" "${STAGE31_DIR}"
# copy required files
tarcopy "${REQUIRED_FILES}" "${STAGE31_DIR}"
# copy static data
cp -r "${MODULE_DIR}"/core/data/* "${STAGE31_DIR}"
}
copy_kernel_modules() {
local MODLIST="stage31_modules_list"
[ -e $MODLIST ] && rm -f $MODLIST
# process modules list
for MOD in ${REQUIRED_MODULES}; do
local MOD_PATH="/lib/modules/${KERNEL_VERSION}/${MOD}"
if [ ! -e "${MOD_PATH}" ]; then
pwarning "Module $MOD not found. Skipping. (might cause problem on certain clients!)"
continue
else
pdebug "Copying "${MOD_PATH}""
echo "${MOD_PATH}" >> "${MODLIST}"
fi
done
if [ -s "$MODLIST" ]; then
local MODLISTCOUNT=$(cat "$MODLIST" | wc -l)
pinfo "Copying $MODLISTCOUNT modules to stage 3.1 target directory."
tarcopy "$(cat "$MODLIST")" "${STAGE31_DIR}"
fi
}
generate_modules_map_files() {
# first strip modules.order of all the modules we don't use
cat /lib/modules/"${KERNEL_VERSION}"/modules.order | grep -E $(echo ${REQUIRED_MODULES} | tr '\ ' '|') \
>> "${STAGE31_DIR}"/lib/modules/"${KERNEL_VERSION}"/modules.order
# copy list of builtin kernel modules
cp /lib/modules/"${KERNEL_VERSION}"/modules.builtin "${STAGE31_DIR}"/lib/modules/"${KERNEL_VERSION}"
# with modules.order and modules.builtin, we can run depmod for the rest of the files
depmod -b "${STAGE31_DIR}"
}
copy_firmware() {
local FWLIST="stage31_firmware_list"
[ -e $FWLIST ] && rm -f $FWLIST
local FW_PATH="/lib/firmware"
# process firmware list
for FW in ${REQUIRED_FIRMWARE}; do
local FOUND=0
if [ -e "${FW_PATH}"/"${FW}" ]; then
pdebug "Copying "${FW_PATH}"/"${FW}""
echo "${FW_PATH}"/"${FW}" >> "$FWLIST"
FOUND=1
fi
if [ -e "${FW_PATH}"/"${KERNEL_VERSION}"/"${FW}" ]; then
pdebug "Copying "${FW_PATH}"/"${KERNEL_VERSION}"/"${FW}""
echo "${FW_PATH}"/"${KERNEL_VERSION}"/"${FW}" >> "$FWLIST"
FOUND=1
fi
[ $FOUND -ne 1 ] && pwarning "Neither "${FW_PATH}"/"${FW}" nor "${FW_PATH}"/"${KERNEL_VERSION}"/"${FW}" found on the system."
done
if [ -s "${FWLIST}" ]; then
local FWLISTCOUNT=$(cat "$FWLIST"|wc -l)
pinfo "Copying $FWLISTCOUNT firmware to stage 3.1 target directory."
tarcopy "$(cat "$FWLIST")" "${STAGE31_DIR}"
fi
}
install_basic_tools() {
# get busybox from tools/ we checked earlier if its there.
pinfo "Copying busybox to ${STAGE31_DIR}."
cp -r "${MODULE_DIR}"/tools/busybox/build/openslx/* "${STAGE31_DIR}"
# install plymouth
pinfo "Copying plymouth to ${STAGE31_DIR}."
rm -f list.ply
cd "${MODULE_DIR}"/tools/plymouth/build
echo ./bin/plymouth >> list.ply
echo ./sbin/plymouthd >> list.ply
get_dynamic_dependencies -l "${MODULE_DIR}"/tools/plymouth/build ./bin/plymouth >> list.ply
get_dynamic_dependencies -l "${MODULE_DIR}"/tools/plymouth/build ./sbin/plymouthd >> list.ply
for i in $(find lib/plymouth -name \*.so); do
get_link_chain "${MODULE_DIR}"/tools/plymouth/build/"$i" "${MODULE_DIR}"/tools/plymouth/build >> list.ply
get_dynamic_dependencies -l "${MODULE_DIR}"/tools/plymouth/build $i >> list.ply
done
tarcopy "$(cat list.ply | sort -u)" "${STAGE31_DIR}"
cd - &> /dev/null
cp -r "${MODULE_DIR}"/tools/plymouth/data/* "${STAGE31_DIR}"
# copy debugging tools
STRACE=$(which strace)
[ "x${STRACE}" != "x" ] && tarcopy "$(get_link_chain ${STRACE})" "${STAGE31_DIR}"
LDD=$(which ldd)
[ "x${LDD}" != "x" ] && tarcopy "$(get_link_chain ${LDD})" "${STAGE31_DIR}"
# get hwinfo and the required libx86emu
[ ! -d "${MODULE_DIR}"/core/src ] && mkdir -p "${MODULE_DIR}"/core/src
cd "${MODULE_DIR}"/core/src
# start with libx86emu
pinfo "Cloning 'git://gitorious.org/x86emu/libx86emu.git'..."
git clone git://gitorious.org/x86emu/libx86emu.git
cd libx86emu
pinfo "Compiling 'libx86emu'..."
make || perror "libx86emu: make failed."
pinfo "Installing 'libx86emu' in ${MODULE_DIR}/core/build"
DESTDIR="${MODULE_DIR}"/core/build make install || perror "libx86emu: make install to "${STAGE31_DIR}" failed."
cd - &> /dev/null
# now hwinfo
pinfo "Cloning 'git://gitorious.org/opensuse/hwinfo.git'..."
git clone git://gitorious.org/opensuse/hwinfo.git
cd hwinfo
pinfo "Compiling 'hwinfo'..."
make || perror "hwinfo: make failed."
pinfo "Installing 'hwinfo' in ${MODULE_DIR}/core/build"
DESTDIR="${MODULE_DIR}"/core/build make install || perror "hwinfo: make install failed."
cd - &> /dev/null
# get dependencies of hwinfo
cd "${MODULE_DIR}"/core/build
HWINFO=$(find . -type f -name hwinfo -executable)
get_link_chain "${MODULE_DIR}"/core/build/"${HWINFO}" "${MODULE_DIR}"/core/build >> list_wanted_stage3.1
get_dynamic_dependencies -l "${MODULE_DIR}"/core/build "${MODULE_DIR}"/core/build/"${HWINFO}" >> list_wanted_stage3.1
tarcopy "$(cat list_wanted_stage3.1)" "${STAGE31_DIR}"
cd - &> /dev/null
}
generate_stage31() {
local TOOL_STR="[core]"
pinfo "Generating stage 3.1 file system..."
cd "${MODULE_DIR}"/core
initial_checks
read_config
generate_rootfs
copy_kernel_modules
generate_modules_map_files
copy_firmware
install_basic_tools
cd - &> /dev/null
}
clean_core() {
pinfo "Cleaning '${STAGE31_DIR}'..."
[ -d ${STAGE31_DIR} ] && { rm -rf ${STAGE31_DIR} || perror "rm -rf failed."; }
pinfo "Cleaning '${MODULE_DIR}/core'..."
[ -e ${MODULE_DIR}/core/stage31_modules_list ] && { rm -f ${MODULE_DIR}/core/stage31_modules_list || perror "rm -f failed."; }
[ -e ${MODULE_DIR}/core/stage31_firmware_list ] && { rm -f ${MODULE_DIR}/core/stage31_firmware_list || perror "rm -f failed."; }
pinfo "Cleaning '${MODULE_DIR}/core/build'..."
[ -e ${MODULE_DIR}/core/build ] && { rm -rf ${MODULE_DIR}/core/build || perror "rm -rf failed."; }
pinfo "Cleaning '${MODULE_DIR}/core/src'..."
[ -e ${MODULE_DIR}/core/src ] && { rm -rf ${MODULE_DIR}/core/src || perror "rm -rf failed."; }
}
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