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#!/usr/bin/env bash
# -*- coding: utf-8 -*-
_parse_dracut_args() {
local verbose=false
local debug=false
while true; do
case "$1" in
--stdlog)
shift
local level="$1"
shift
[[ "$level" -ge 4 ]] && debug=true
;;
--verbose)
shift
verbose=true
;;
'')
break
;;
*)
shift
;;
esac
local level
$verbose && level=info
$debug && level=debug
done
$debug
return $?
}
# WTF does this actually do aside from taking space!
_debug=0
_parse_dracut_args ${dracut_args[*]} || _debug=$?
# endregion
clean() {
# Sourcing some helper functions
. "$(dirname "${BASH_SOURCE[0]}")/helper/build.inc"
clean_components
}
# region dracut plugin api
check() {
# Sourcing some helper functions
. "$(dirname "${BASH_SOURCE[0]}")/helper/build.inc"
if ! build_initialize_components; then
echo "Failed to initialize components."
return 1
fi
# NOTE: xmount must be compiled before qemu_xmount
local xmount_is_built=true
if [[ ! -f "$moddir/binaries/xmount/trunk/build/src/xmount" ]] ||
[[ ! -f "$moddir/binaries/qemu-xmount/libxmount_input_qemu.so" ]]; then
xmount_is_built=false
fi
# non-critical if failed
$xmount_is_built || echo "Compiling 'xmount'/'libxmount_input_qemu' failed."
if [[ ! -f "$moddir/binaries/dnbd3/build/src/kernel/dnbd3/dnbd3.ko" ]] || \
[[ ! -f "$moddir/binaries/dnbd3/build/src/client/dnbd3-client" ]]; then
CMAKE_FLAGS="-DKERNEL_BUILD_DIR=${kernel}" \
build_compile_dnbd3 "$moddir/binaries/dnbd3/"
[[ $? != 0 ]] && return 1
fi
# TODO xloop checks & remove them from installkernel
if [[ ! -f "$moddir/binaries/systemd-preserve-process-marker/systemd-preserve-process-marker" ]]; then
build_compile_systemd_preserve_process_marker \
"$moddir/binaries/systemd-preserve-process-marker/"
[[ $? != 0 ]] && return 1
fi
# TODO do we still need this ?
# NOTE: This are workarounds for:
# - distributions where "systemd-udevd" doesn't lives in "/usr/lib" but in
# "/lib".
local alternate_systemd_udevd_location='/lib/systemd/systemd-udevd'
if [[ ! -f "${systemdutildir}/systemd-udevd" ]] && \
[[ -f "$alternate_systemd_udevd_location" ]]; then
mkdir --parents "${initdir}${systemdutildir}"
ln --symbolic --force "$alternate_systemd_udevd_location" \
"${initdir}${systemdutildir}/systemd-udevd"
fi
# WTF?
# - "/usr/bin/sh" isn't available but "/bin/sh".
if [[ ! -f /usr/bin/sh ]] && [[ -f /bin/sh ]]; then
ln --symbolic --force /bin/sh /usr/bin/sh
fi
return 255
}
depends() {
echo base bash kernel-modules shutdown slx-dmsetup slx-network
}
installkernel() {
local extra_kmod_dir="/lib/modules/${kernel}/extra"
# dnbd3
mkdir -p "${initdir}/${extra_kmod_dir}"
inst "${moddir}/binaries/dnbd3/build/src/kernel/dnbd3/dnbd3.ko" "${extra_kmod_dir}/dnbd3.ko"
# kqcow2 kernel
local xloop_kmod_build_dir="${moddir}/binaries/xloop/build/src/kernel"
for mod in xloop xloop_file_fmt_raw xloop_file_fmt_qcow; do
if [ ! -e "${xloop_kmod_build_dir}/${mod}/${mod}.ko" ]; then
derror "Failed to find '$mod' in '$xloop_kmod_build_dir'."
continue
# TODO fatal fail once we move completely to xloop
fi
inst "${xloop_kmod_build_dir}/${mod}/${mod}.ko" "${extra_kmod_dir}/${mod}.ko"
done
}
install() {
# region binaries
inst "${moddir}/binaries/dnbd3/build/src/client/dnbd3-client" /usr/local/bin/dnbd3-client
inst "${moddir}/binaries/systemd-preserve-process-marker/systemd-preserve-process-marker" \
/usr/local/bin/systemd-preserve-process-marker
# xmount
local \
xmount_installation="${moddir}/binaries/xmount/trunk/build/release_build"
if [ -f "${xmount_installation}/usr/bin/xmount" ]; then
inst "${xmount_installation}/usr/bin/xmount" /usr/bin/xmount
for file in ${xmount_installation}/usr/lib/xmount/*; do
inst "$file" /usr/lib/xmount/"$(basename "$file")"
done
inst "$moddir/binaries/qemu-xmount/libxmount_input_qemu.so" \
/usr/lib/xmount/libxmount_input_qemu.so
# HACK fix missing libraries for some xmount input libs
# TODO copy the dependencies using dracut functions...
inst_libdir_file 'libafflib.so*'
inst_libdir_file 'libewf.so*'
fi
# xlosetup
local xlosetup_build_path="${moddir}/binaries/xloop/build/src/utils/sys-utils/xlosetup"
if [ -f "$xlosetup_build_path" ]; then
inst "$xlosetup_build_path" /usr/local/bin/xlosetup
fi
local xloop_udev_rule="${moddir}/binaries/xloop/src/kernel/udev/50-xloop.rules"
if [ -f "$xloop_udev_rule" ]; then
inst "$xloop_udev_rule" "/etc/udev/rules.d/${xloop_udev_rule##*/}"
fi
# endregion
# region hooks
#inst_hook cmdline 00 "$moddir/hooks/enable-sysrq.sh"
# NOTE: Can be used to support old style ip append syntax and have an
# exclusive interface name - required when using dracut's regular
# 'network' module
dracut_module_included "network" && inst_hook cmdline 10 \
"$moddir/hooks/prepare-kernel-command-line-parameter.sh"
inst_hook cmdline 90 "$moddir/hooks/set-dracut-environment-variables.sh"
# make the final blockdevice for the root system (dnbd3 -> xmount ->
# device-mapper)
slx_service "s3-dnbd3root" "Setup dnbd3-based block device of rootfs" \
--after "s3-fetch-config.service" \
--after "dracut-pre-mount.service" \
--wbefore "dracut-mount.service" \
--wbefore "initrd-root-device.target"
# Mount the root file system
slx_service "s3-mount-root" "Mount /sysroot" \
--after "initrd-root-device.target" \
--requires "initrd-root-device.target" \
--wbefore "initrd-root-fs.target"
slx_service "s3-write-fstab" "Write final fstab for stage4" \
--after "s3-mount-root"
# Copy systemd services to new root (so they don't get killed after
# switch_root)
inst_hook pre-pivot 90 \
"$moddir/hooks/copy-dracut-systemd-files-into-newroot.sh"
# endregion
# region configuration files
mkdir --parents \
"${initdir}/etc/systemd/system.conf.d"
# Make sure all services know about NEWROOT=/sysroot
inst "$moddir/configuration/systemd-newroot.conf" \
"/etc/systemd/system.conf.d/systemd-newroot.conf"
# Use terminal readline settings from the template system.
inst /etc/inputrc /etc/inputrc
# Set some aliases for the initramfs context.
if [[ "$_debug" == 0 ]]; then
inst "$moddir/configuration/bash" '/etc/bash.bashrc'
inst "$moddir/configuration/bash" '/etc/profile.d/aliases'
fi
# endregion
inst_multiple \
awk \
basename bash blockdev \
cat cut curl \
dd diff dirname dmsetup \
find \
grep \
insmod \
lsblk \
mkfifo mktemp mount mountpoint \
sed sleep sort \
tee touch tr
}
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