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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
#
# Generator script for a dracut initramfs
# Tries to retain some degree of compatibility with the command line
# of the various mkinitrd implementations out there
#
# Copyright 2005-2013 Red Hat, Inc. All rights reserved.
#
# 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 2 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/>.
#
unset BASH_ENV
# store for logging
dracut_args=( "$@" )
set -o pipefail
usage() {
[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
if [[ -f $dracutbasedir/dracut-version.sh ]]; then
. $dracutbasedir/dracut-version.sh
fi
# 80x25 linebreak here ^
cat << EOF
Usage: $0 [OPTION]... [<initramfs> [<kernel-version>]]
Version: $DRACUT_VERSION
Creates initial ramdisk images for preloading modules
-h, --help Display all options
If a [LIST] has multiple arguments, then you have to put these in quotes.
For example:
# dracut --add-drivers "module1 module2" ...
EOF
}
long_usage() {
[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
if [[ -f $dracutbasedir/dracut-version.sh ]]; then
. $dracutbasedir/dracut-version.sh
fi
# 80x25 linebreak here ^
cat << EOF
Usage: $0 [OPTION]... [<initramfs> [<kernel-version>]]
Version: $DRACUT_VERSION
Creates initial ramdisk images for preloading modules
--kver [VERSION] Set kernel version to [VERSION].
-f, --force Overwrite existing initramfs file.
-a, --add [LIST] Add a space-separated list of dracut modules.
--rebuild Append arguments to those of existing image and rebuild
-m, --modules [LIST] Specify a space-separated list of dracut modules to
call when building the initramfs. Modules are located
in /usr/lib/dracut/modules.d.
-o, --omit [LIST] Omit a space-separated list of dracut modules.
--force-add [LIST] Force to add a space-separated list of dracut modules
to the default set of modules, when -H is specified.
-d, --drivers [LIST] Specify a space-separated list of kernel modules to
exclusively include in the initramfs.
--add-drivers [LIST] Specify a space-separated list of kernel
modules to add to the initramfs.
--force-drivers [LIST] Specify a space-separated list of kernel
modules to add to the initramfs and make sure they
are tried to be loaded via modprobe same as passing
rd.driver.pre=DRIVER kernel parameter.
--omit-drivers [LIST] Specify a space-separated list of kernel
modules not to add to the initramfs.
--filesystems [LIST] Specify a space-separated list of kernel filesystem
modules to exclusively include in the generic
initramfs.
-k, --kmoddir [DIR] Specify the directory, where to look for kernel
modules
--fwdir [DIR] Specify additional directories, where to look for
firmwares, separated by :
--kernel-only Only install kernel drivers and firmware files
--no-kernel Do not install kernel drivers and firmware files
--print-cmdline Print the kernel command line for the given disk layout
--early-microcode Combine early microcode with ramdisk
--no-early-microcode Do not combine early microcode with ramdisk
--kernel-cmdline [PARAMETERS] Specify default kernel command line parameters
--strip Strip binaries in the initramfs
--nostrip Do not strip binaries in the initramfs
--prelink Prelink binaries in the initramfs
--noprelink Do not prelink binaries in the initramfs
--hardlink Hardlink files in the initramfs
--nohardlink Do not hardlink files in the initramfs
--prefix [DIR] Prefix initramfs files with [DIR]
--noprefix Do not prefix initramfs files
--mdadmconf Include local /etc/mdadm.conf
--nomdadmconf Do not include local /etc/mdadm.conf
--lvmconf Include local /etc/lvm/lvm.conf
--nolvmconf Do not include local /etc/lvm/lvm.conf
--fscks [LIST] Add a space-separated list of fsck helpers.
--nofscks Inhibit installation of any fsck helpers.
--ro-mnt Mount / and /usr read-only by default.
-h, --help This message
--debug Output debug information of the build process
--profile Output profile information of the build process
-L, --stdlog [0-6] Specify logging level (to standard error)
0 - suppress any messages
1 - only fatal errors
2 - all errors
3 - warnings
4 - info
5 - debug info (here starts lots of output)
6 - trace info (and even more)
-v, --verbose Increase verbosity level
-q, --quiet Decrease verbosity level
-c, --conf [FILE] Specify configuration file to use.
Default: /etc/dracut.conf
--confdir [DIR] Specify configuration directory to use *.conf files
from. Default: /etc/dracut.conf.d
--tmpdir [DIR] Temporary directory to be used instead of default
/var/tmp.
-l, --local Local mode. Use modules from the current working
directory instead of the system-wide installed in
/usr/lib/dracut/modules.d.
Useful when running dracut from a git checkout.
-H, --hostonly Host-Only mode: Install only what is needed for
booting the local host instead of a generic host.
-N, --no-hostonly Disables Host-Only mode
--hostonly-mode <mode>
Specify the hostonly mode to use. <mode> could be
one of "sloppy" or "strict". "sloppy" mode is used
by default.
In "sloppy" hostonly mode, extra drivers and modules
will be installed, so minor hardware change won't make
the image unbootable (eg. changed keyboard), and the
image is still portable among similar hosts.
With "strict" mode enabled, anything not necessary
for booting the local host in its current state will
not be included, and modules may do some extra job
to save more space. Minor change of hardware or
environment could make the image unbootable.
DO NOT use "strict" mode unless you know what you
are doing.
--hostonly-cmdline Store kernel command line arguments needed
in the initramfs
--no-hostonly-cmdline Do not store kernel command line arguments needed
in the initramfs
--no-hostonly-default-device
Do not generate implicit host devices like root,
swap, fstab, etc. Use "--mount" or "--add-device"
to explicitly add devices as needed.
--hostonly-i18n Install only needed keyboard and font files according
to the host configuration (default).
--no-hostonly-i18n Install all keyboard and font files available.
--persistent-policy [POLICY]
Use [POLICY] to address disks and partitions.
POLICY can be any directory name found in /dev/disk.
E.g. "by-uuid", "by-label"
--fstab Use /etc/fstab to determine the root device.
--add-fstab [FILE] Add file to the initramfs fstab
--mount "[DEV] [MP] [FSTYPE] [FSOPTS]"
Mount device [DEV] on mountpoint [MP] with filesystem
[FSTYPE] and options [FSOPTS] in the initramfs
--add-device "[DEV]" Bring up [DEV] in initramfs
-i, --include [SOURCE] [TARGET]
Include the files in the SOURCE directory into the
Target directory in the final initramfs.
If SOURCE is a file, it will be installed to TARGET
in the final initramfs.
-I, --install [LIST] Install the space separated list of files into the
initramfs.
--install-optional [LIST] Install the space separated list of files into the
initramfs, if they exist.
--gzip Compress the generated initramfs using gzip.
This will be done by default, unless another
compression option or --no-compress is passed.
--bzip2 Compress the generated initramfs using bzip2.
Make sure your kernel has bzip2 decompression support
compiled in, otherwise you will not be able to boot.
--lzma Compress the generated initramfs using lzma.
Make sure your kernel has lzma support compiled in,
otherwise you will not be able to boot.
--xz Compress the generated initramfs using xz.
Make sure that your kernel has xz support compiled
in, otherwise you will not be able to boot.
--lzo Compress the generated initramfs using lzop.
Make sure that your kernel has lzo support compiled
in, otherwise you will not be able to boot.
--lz4 Compress the generated initramfs using lz4.
Make sure that your kernel has lz4 support compiled
in, otherwise you will not be able to boot.
--compress [COMPRESSION] Compress the generated initramfs with the
passed compression program. Make sure your kernel
knows how to decompress the generated initramfs,
otherwise you will not be able to boot.
--no-compress Do not compress the generated initramfs. This will
override any other compression options.
--list-modules List all available dracut modules.
-M, --show-modules Print included module's name to standard output during
build.
--keep Keep the temporary initramfs for debugging purposes
--printsize Print out the module install size
--sshkey [SSHKEY] Add ssh key to initramfs (use with ssh-client module)
--logfile [FILE] Logfile to use (overrides configuration setting)
If [LIST] has multiple arguments, then you have to put these in quotes.
For example:
# dracut --add-drivers "module1 module2" ...
EOF
}
# function push()
# push values to a stack
# $1 = stack variable
# $2.. values
# example:
# push stack 1 2 "3 4"
push() {
local _i
local __stack=$1; shift
for _i in "$@"; do
eval ${__stack}'[${#'${__stack}'[@]}]="$_i"'
done
}
# function pop()
# pops the last value from a stack
# assigns value to second argument variable
# or echo to stdout, if no second argument
# $1 = stack variable
# $2 = optional variable to store the value
# example:
# pop stack val
# val=$(pop stack)
pop() {
local __stack=$1; shift
local __resultvar=$1
local _value;
# check for empty stack
eval '[[ ${#'${__stack}'[@]} -eq 0 ]] && return 1'
eval _value='${'${__stack}'[${#'${__stack}'[@]}-1]}'
if [[ "$__resultvar" ]]; then
eval $__resultvar="'$_value'"
else
printf "%s" "$_value"
fi
eval unset ${__stack}'[${#'${__stack}'[@]}-1]'
return 0
}
# Little helper function for reading args from the commandline.
# it automatically handles -a b and -a=b variants, and returns 1 if
# we need to shift $3.
read_arg() {
# $1 = arg name
# $2 = arg value
# $3 = arg parameter
local rematch='^[^=]*=(.*)$'
if [[ $2 =~ $rematch ]]; then
read "$1" <<< "${BASH_REMATCH[1]}"
else
read "$1" <<< "$3"
# There is no way to shift our callers args, so
# return 1 to indicate they should do it instead.
return 1
fi
}
dropindirs_sort()
{
local suffix=$1; shift
local -a files
local f d
for d in "$@"; do
for i in "$d/"*"$suffix"; do
if [[ -e "$i" ]]; then
printf "%s\n" "${i##*/}"
fi
done
done | sort -Vu | {
readarray -t files
for f in "${files[@]}"; do
for d in "$@"; do
if [[ -e "$d/$f" ]]; then
printf "%s\n" "$d/$f"
continue 2
fi
done
done
}
}
rearrange_params()
{
# Workaround -i, --include taking 2 arguments
set -- "${@/--include/++include}"
# This prevents any long argument ending with "-i"
# -i, like --opt-i but I think we can just prevent that
set -- "${@/%-i/++include}"
TEMP=$(unset POSIXLY_CORRECT; getopt \
-o "a:m:o:d:I:k:c:L:fvqlHhMN" \
--long kver: \
--long add: \
--long force-add: \
--long add-drivers: \
--long force-drivers: \
--long omit-drivers: \
--long modules: \
--long omit: \
--long drivers: \
--long filesystems: \
--long install: \
--long install-optional: \
--long fwdir: \
--long libdirs: \
--long fscks: \
--long add-fstab: \
--long mount: \
--long device: \
--long add-device: \
--long nofscks: \
--long ro-mnt \
--long kmoddir: \
--long conf: \
--long confdir: \
--long tmpdir: \
--long stdlog: \
--long compress: \
--long prefix: \
--long rebuild: \
--long force \
--long kernel-only \
--long no-kernel \
--long print-cmdline \
--long kernel-cmdline: \
--long strip \
--long nostrip \
--long prelink \
--long noprelink \
--long hardlink \
--long nohardlink \
--long noprefix \
--long mdadmconf \
--long nomdadmconf \
--long lvmconf \
--long nolvmconf \
--long debug \
--long profile \
--long sshkey: \
--long logfile: \
--long verbose \
--long quiet \
--long local \
--long hostonly \
--long host-only \
--long no-hostonly \
--long no-host-only \
--long hostonly-mode: \
--long hostonly-cmdline \
--long no-hostonly-cmdline \
--long no-hostonly-default-device \
--long persistent-policy: \
--long fstab \
--long help \
--long bzip2 \
--long lzma \
--long xz \
--long lzo \
--long lz4 \
--long no-compress \
--long gzip \
--long list-modules \
--long show-modules \
--long keep \
--long printsize \
--long regenerate-all \
--long noimageifnotneeded \
--long early-microcode \
--long no-early-microcode \
--long no-hostonly-i18n \
--long hostonly-i18n \
-- "$@")
if (( $? != 0 )); then
usage
exit 1
fi
}
verbosity_mod_l=0
unset kernel
unset outfile
rearrange_params "$@"
eval set -- "$TEMP"
# parse command line args to check if '--rebuild' option is present
unset append_args_l
unset rebuild_file
while :
do
if [ "$1" == "--" ]; then
shift; break
fi
if [ "$1" == "--rebuild" ]; then
append_args_l="yes"
rebuild_file=$2
if [ ! -e $rebuild_file ]; then
echo "Image file '$rebuild_file', for rebuild, does not exist!"
exit 1
fi
abs_rebuild_file=$(readlink -f "$rebuild_file") && rebuild_file="$abs_rebuild_file"
shift; continue
fi
shift
done
# get output file name and kernel version from command line arguments
while (($# > 0)); do
case ${1%%=*} in
++include)
shift 2;;
*)
if ! [[ ${outfile+x} ]]; then
outfile=$1
elif ! [[ ${kernel+x} ]]; then
kernel=$1
else
printf "\nUnknown arguments: %s\n\n" "$*" >&2
usage; exit 1;
fi
;;
esac
shift
done
# extract input image file provided with rebuild option to get previous parameters, if any
if [[ $append_args_l == "yes" ]]; then
unset rebuild_param
# determine resultant file
if ! [[ $outfile ]]; then
outfile=$rebuild_file
fi
if ! rebuild_param=$(lsinitrd $rebuild_file '*lib/dracut/build-parameter.txt'); then
echo "Image '$rebuild_file' has no rebuild information stored"
exit 1
fi
# prepend previous parameters to current command line args
if [[ $rebuild_param ]]; then
TEMP="$rebuild_param $TEMP"
eval set -- "$TEMP"
rearrange_params "$@"
fi
# clean the temporarily used scratch-pad directory
rm -rf $scratch_dir
fi
unset PARMS_TO_STORE
PARMS_TO_STORE=""
eval set -- "$TEMP"
while :; do
if [ $1 != "--" ] && [ $1 != "--rebuild" ]; then
PARMS_TO_STORE+=" $1";
fi
case $1 in
--kver) kernel="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
-a|--add) push add_dracutmodules_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--force-add) push force_add_dracutmodules_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--add-drivers) push add_drivers_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--force-drivers) push force_drivers_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--omit-drivers) push omit_drivers_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
-m|--modules) push dracutmodules_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
-o|--omit) push omit_dracutmodules_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
-d|--drivers) push drivers_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--filesystems) push filesystems_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
-I|--install) push install_items_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--install-optional)
push install_optional_items_l \
"$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--fwdir) push fw_dir_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--libdirs) push libdirs_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--fscks) push fscks_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--add-fstab) push add_fstab_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--mount) push fstab_lines "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--add-device|--device)
push add_device_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--kernel-cmdline) push kernel_cmdline_l "$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--nofscks) nofscks_l="yes";;
--ro-mnt) ro_mnt_l="yes";;
-k|--kmoddir) drivers_dir_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
-c|--conf) conffile="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--confdir) confdir="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--tmpdir) tmpdir_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
-L|--stdlog) stdloglvl_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--compress) compress_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--prefix) prefix_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--rebuild) if [ $rebuild_file == $outfile ]; then
force=yes
fi
shift
;;
-f|--force) force=yes;;
--kernel-only) kernel_only="yes"; no_kernel="no";;
--no-kernel) kernel_only="no"; no_kernel="yes";;
--print-cmdline)
print_cmdline="yes"; hostonly_l="yes"; kernel_only="yes"; no_kernel="yes";;
--early-microcode)
early_microcode_l="yes";;
--no-early-microcode)
early_microcode_l="no";;
--strip) do_strip_l="yes";;
--nostrip) do_strip_l="no";;
--prelink) do_prelink_l="yes";;
--noprelink) do_prelink_l="no";;
--hardlink) do_hardlink_l="yes";;
--nohardlink) do_hardlink_l="no";;
--noprefix) prefix_l="/";;
--mdadmconf) mdadmconf_l="yes";;
--nomdadmconf) mdadmconf_l="no";;
--lvmconf) lvmconf_l="yes";;
--nolvmconf) lvmconf_l="no";;
--debug) debug="yes";;
--profile) profile="yes";;
--sshkey) sshkey="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--logfile) logfile_l="$2"; shift;;
-v|--verbose) ((verbosity_mod_l++));;
-q|--quiet) ((verbosity_mod_l--));;
-l|--local)
allowlocal="yes"
[[ -f "$(readlink -f "${0%/*}")/dracut-init.sh" ]] \
&& dracutbasedir="$(readlink -f "${0%/*}")"
;;
-H|--hostonly|--host-only)
hostonly_l="yes" ;;
-N|--no-hostonly|--no-host-only)
hostonly_l="no" ;;
--hostonly-mode)
hostonly_mode_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--hostonly-cmdline)
hostonly_cmdline_l="yes" ;;
--hostonly-i18n)
i18n_install_all_l="no" ;;
--no-hostonly-i18n)
i18n_install_all_l="yes" ;;
--no-hostonly-cmdline)
hostonly_cmdline_l="no" ;;
--no-hostonly-default-device)
hostonly_default_device="no" ;;
--persistent-policy)
persistent_policy_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--fstab) use_fstab_l="yes" ;;
-h|--help) long_usage; exit 1 ;;
-i|--include) push include_src "$2"; PARMS_TO_STORE+=" '$2'";
shift;;
--bzip2) compress_l="bzip2";;
--lzma) compress_l="lzma";;
--xz) compress_l="xz";;
--lzo) compress_l="lzo";;
--lz4) compress_l="lz4";;
--no-compress) _no_compress_l="cat";;
--gzip) compress_l="gzip";;
--list-modules) do_list="yes";;
-M|--show-modules)
show_modules_l="yes"
;;
--keep) keep="yes";;
--printsize) printsize="yes";;
--regenerate-all) regenerate_all="yes";;
--noimageifnotneeded) noimageifnotneeded="yes";;
--) shift; break;;
*) # should not even reach this point
printf "\n!Unknown option: '%s'\n\n" "$1" >&2; usage; exit 1;;
esac
shift
done
# getopt cannot handle multiple arguments, so just handle "-I,--include"
# the old fashioned way
while (($# > 0)); do
if [ ${1%%=*} == "++include" ]; then
push include_src "$2"
push include_target "$3"
PARMS_TO_STORE+=" --include '$2' '$3'"
shift 2
fi
shift
done
if [[ $regenerate_all == "yes" ]]; then
ret=0
if [[ $kernel ]]; then
printf -- "--regenerate-all cannot be called with a kernel version\n" >&2
exit 1
fi
if [[ $outfile ]]; then
printf -- "--regenerate-all cannot be called with a image file\n" >&2
exit 1
fi
((len=${#dracut_args[@]}))
for ((i=0; i < len; i++)); do
[[ ${dracut_args[$i]} == "--regenerate-all" ]] && \
unset dracut_args[$i]
done
cd /lib/modules
for i in *; do
[[ -f $i/modules.dep ]] || [[ -f $i/modules.dep.bin ]] || continue
dracut --kver="$i" "${dracut_args[@]}"
((ret+=$?))
done
exit $ret
fi
if ! [[ $kernel ]]; then
kernel=$(uname -r)
fi
if [[ $kernel ]]; then
if ! [[ -d /lib/modules/$kernel ]] && [[ $no_kernel != yes ]]; then
printf -- "Kernel version $kernel has no module directory /lib/modules/$kernel\n" >&2
fi
fi
if ! [[ $outfile ]]; then
[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
if [[ $MACHINE_ID ]] && ( [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]] ); then
outfile="/boot/${MACHINE_ID}/$kernel/initrd"
else
outfile="/boot/initramfs-$kernel.img"
fi
fi
for i in /usr/sbin /sbin /usr/bin /bin; do
rl=$i
if [ -L "$i" ]; then
rl=$(readlink -f $i)
fi
if [[ "$NPATH" != *:$rl* ]] ; then
NPATH+=":$rl"
fi
done
export PATH="${NPATH#:}"
unset LC_MESSAGES
unset LC_CTYPE
export LC_ALL=C
export LANG=C
unset NPATH
unset LD_LIBRARY_PATH
unset LD_PRELOAD
unset GREP_OPTIONS
export DRACUT_LOG_LEVEL=warning
[[ $debug ]] && {
export DRACUT_LOG_LEVEL=debug
export PS4='${BASH_SOURCE}@${LINENO}(${FUNCNAME[0]}): ';
set -x
}
[[ $profile ]] && {
export PS4='+ $(date "+%s.%N") ${BASH_SOURCE}@${LINENO}: ';
set -x
debug=yes
}
[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
# if we were not passed a config file, try the default one
if [[ ! -f $conffile ]]; then
if [[ $allowlocal ]]; then
conffile="$dracutbasedir/dracut.conf"
else
conffile="/etc/dracut.conf"
fi
fi
if [[ ! -d $confdir ]]; then
if [[ $allowlocal ]]; then
confdir="$dracutbasedir/dracut.conf.d"
else
confdir="/etc/dracut.conf.d"
fi
fi
# source our config file
[[ -f $conffile ]] && . "$conffile"
# source our config dir
for f in $(dropindirs_sort ".conf" "$confdir" "$dracutbasedir/dracut.conf.d"); do
[[ -e $f ]] && . "$f"
done
# these optins add to the stuff in the config file
if (( ${#add_dracutmodules_l[@]} )); then
while pop add_dracutmodules_l val; do
add_dracutmodules+=" $val "
done
fi
if (( ${#force_add_dracutmodules_l[@]} )); then
while pop force_add_dracutmodules_l val; do
force_add_dracutmodules+=" $val "
done
fi
if (( ${#fscks_l[@]} )); then
while pop fscks_l val; do
fscks+=" $val "
done
fi
if (( ${#add_fstab_l[@]} )); then
while pop add_fstab_l val; do
add_fstab+=" $val "
done
fi
if (( ${#fstab_lines_l[@]} )); then
while pop fstab_lines_l val; do
push fstab_lines $val
done
fi
if (( ${#install_items_l[@]} )); then
while pop install_items_l val; do
install_items+=" $val "
done
fi
if (( ${#install_optional_items_l[@]} )); then
while pop install_optional_items_l val; do
install_optional_items+=" $val "
done
fi
# these options override the stuff in the config file
if (( ${#dracutmodules_l[@]} )); then
dracutmodules=''
while pop dracutmodules_l val; do
dracutmodules+="$val "
done
fi
if (( ${#omit_dracutmodules_l[@]} )); then
omit_dracutmodules=''
while pop omit_dracutmodules_l val; do
omit_dracutmodules+="$val "
done
fi
if (( ${#filesystems_l[@]} )); then
filesystems=''
while pop filesystems_l val; do
filesystems+="$val "
done
fi
if (( ${#fw_dir_l[@]} )); then
fw_dir=''
while pop fw_dir_l val; do
fw_dir+="$val "
done
fi
if (( ${#libdirs_l[@]} )); then
libdirs=''
while pop libdirs_l val; do
libdirs+="$val "
done
fi
[[ $stdloglvl_l ]] && stdloglvl=$stdloglvl_l
[[ ! $stdloglvl ]] && stdloglvl=4
stdloglvl=$((stdloglvl + verbosity_mod_l))
((stdloglvl > 6)) && stdloglvl=6
((stdloglvl < 0)) && stdloglvl=0
[[ $drivers_dir_l ]] && drivers_dir=$drivers_dir_l
[[ $do_strip_l ]] && do_strip=$do_strip_l
[[ $do_strip ]] || do_strip=yes
[[ $do_prelink_l ]] && do_prelink=$do_prelink_l
[[ $do_prelink ]] || do_prelink=yes
[[ $do_hardlink_l ]] && do_hardlink=$do_hardlink_l
[[ $do_hardlink ]] || do_hardlink=yes
[[ $prefix_l ]] && prefix=$prefix_l
[[ $prefix = "/" ]] && unset prefix
[[ $hostonly_l ]] && hostonly=$hostonly_l
[[ $hostonly_cmdline_l ]] && hostonly_cmdline=$hostonly_cmdline_l
[[ $hostonly_mode_l ]] && hostonly_mode=$hostonly_mode_l
[[ $i18n_install_all_l ]] && i18n_install_all=$i18n_install_all_l
[[ $persistent_policy_l ]] && persistent_policy=$persistent_policy_l
[[ $use_fstab_l ]] && use_fstab=$use_fstab_l
[[ $mdadmconf_l ]] && mdadmconf=$mdadmconf_l
[[ $lvmconf_l ]] && lvmconf=$lvmconf_l
[[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut
[[ $fw_dir ]] || fw_dir="/lib/firmware/updates /lib/firmware /lib/firmware/$kernel"
[[ $tmpdir_l ]] && tmpdir="$tmpdir_l"
[[ $tmpdir ]] || tmpdir=/var/tmp
[[ $INITRD_COMPRESS ]] && compress=$INITRD_COMPRESS
[[ $compress_l ]] && compress=$compress_l
[[ $show_modules_l ]] && show_modules=$show_modules_l
[[ $nofscks_l ]] && nofscks="yes"
[[ $ro_mnt_l ]] && ro_mnt="yes"
[[ $early_microcode_l ]] && early_microcode=$early_microcode_l
[[ $early_microcode ]] || early_microcode=no
[[ $logfile_l ]] && logfile="$logfile_l"
# eliminate IFS hackery when messing with fw_dir
fw_dir=${fw_dir//:/ }
# handle compression options.
[[ $compress ]] || compress="gzip"
case $compress in
bzip2) compress="bzip2 -9";;
lzma) compress="lzma -9 -T0";;
xz) compress="xz --check=crc32 --lzma2=dict=1MiB -T0";;
gzip) compress="gzip -9"; command -v pigz > /dev/null 2>&1 && compress="pigz -9";;
lzo) compress="lzop -9";;
lz4) compress="lz4 -l -9";;
esac
if [[ $_no_compress_l = "cat" ]]; then
compress="cat"
fi
[[ $hostonly = yes ]] && hostonly="-h"
[[ $hostonly != "-h" ]] && unset hostonly
case $hostonly_mode in
'')
[[ $hostonly ]] && hostonly_mode="sloppy" ;;
sloppy|strict)
if [[ ! $hostonly ]]; then
unset hostonly_mode
fi
;;
*)
printf "%s\n" "dracut: Invalid hostonly mode '$hostonly_mode'." >&2
exit 1
esac
readonly TMPDIR="$tmpdir"
readonly DRACUT_TMPDIR="$(mktemp -p "$TMPDIR/" -d -t dracut.XXXXXX)"
[ -d "$DRACUT_TMPDIR" ] || {
printf "%s\n" "dracut: mktemp -p '$TMPDIR/' -d -t dracut.XXXXXX failed." >&2
exit 1
}
# clean up after ourselves no matter how we die.
trap '
ret=$?;
[[ $keep ]] && echo "Not removing $DRACUT_TMPDIR." >&2 || { [[ $DRACUT_TMPDIR ]] && rm -rf -- "$DRACUT_TMPDIR"; };
exit $ret;
' EXIT
# clean up after ourselves no matter how we die.
trap 'exit 1;' SIGINT
readonly initdir="${DRACUT_TMPDIR}/initramfs"
mkdir "$initdir"
export DRACUT_KERNEL_LAZY="1"
export DRACUT_RESOLVE_LAZY="1"
if [[ $print_cmdline ]]; then
stdloglvl=0
sysloglvl=0
fileloglvl=0
kmsgloglvl=0
fi
if [[ -f $dracutbasedir/dracut-version.sh ]]; then
. $dracutbasedir/dracut-version.sh
fi
if [[ -f $dracutbasedir/dracut-init.sh ]]; then
. $dracutbasedir/dracut-init.sh
else
printf "%s\n" "dracut: Cannot find $dracutbasedir/dracut-init.sh." >&2
printf "%s\n" "dracut: Are you running from a git checkout?" >&2
printf "%s\n" "dracut: Try passing -l as an argument to $0" >&2
exit 1
fi
if ! [[ $print_cmdline ]]; then
inst /bin/sh
if ! $DRACUT_INSTALL ${initdir:+-D "$initdir"} -R "$initdir/bin/sh" &>/dev/null; then
unset DRACUT_RESOLVE_LAZY
export DRACUT_RESOLVE_DEPS=1
fi
rm -fr -- ${initdir}/*
fi
# Verify bash version, current minimum is 3.1
if (( BASH_VERSINFO[0] < 4 )); then
dfatal 'You need at least Bash 4 to use dracut, sorry.'
exit 1
fi
dracutfunctions=$dracutbasedir/dracut-functions.sh
export dracutfunctions
case "$(arch)" in
i686|x86_64)
;;
*)
if [[ $early_microcode = yes ]]; then
early_microcode=no
dinfo "Disabling early microcode for $(arch)"
fi
;;
esac
if [[ $early_microcode = yes ]] || ( [[ $acpi_override = yes ]] && [[ -d $acpi_table_dir ]] ); then
readonly early_cpio_dir="${DRACUT_TMPDIR}/earlycpio"
mkdir "$early_cpio_dir"
fi
if (( ${#drivers_l[@]} )); then
drivers=''
while pop drivers_l val; do
drivers+="$val "
done
fi
drivers=${drivers/-/_}
if (( ${#add_drivers_l[@]} )); then
while pop add_drivers_l val; do
add_drivers+=" $val "
done
fi
add_drivers=${add_drivers/-/_}
if (( ${#force_drivers_l[@]} )); then
while pop force_drivers_l val; do
force_drivers+=" $val "
done
fi
force_drivers=${force_drivers/-/_}
if (( ${#omit_drivers_l[@]} )); then
while pop omit_drivers_l val; do
omit_drivers+=" $val "
done
fi
omit_drivers=${omit_drivers/-/_}
if (( ${#kernel_cmdline_l[@]} )); then
while pop kernel_cmdline_l val; do
kernel_cmdline+=" $val "
done
fi
omit_drivers_corrected=""
for d in $omit_drivers; do
[[ " $drivers $add_drivers " == *\ $d\ * ]] && continue
[[ " $drivers $force_drivers " == *\ $d\ * ]] && continue
omit_drivers_corrected+="$d|"
done
omit_drivers="${omit_drivers_corrected%|}"
unset omit_drivers_corrected
# prepare args for logging
for ((i=0; i < ${#dracut_args[@]}; i++)); do
[[ "${dracut_args[$i]}" == *\ * ]] && \
dracut_args[$i]="\"${dracut_args[$i]}\""
#" keep vim happy
done
dinfo "Executing: $0 ${dracut_args[@]}"
[[ $do_list = yes ]] && {
for mod in $dracutbasedir/modules.d/*; do
[[ -d $mod ]] || continue;
[[ -e $mod/install || -e $mod/installkernel || \
-e $mod/module-setup.sh ]] || continue
printf "%s\n" "${mod##*/??}"
done
exit 0
}
# This is kinda legacy -- eventually it should go away.
case $dracutmodules in
""|auto) dracutmodules="all" ;;
esac
abs_outfile=$(readlink -f "$outfile") && outfile="$abs_outfile"
if [[ -d $srcmods ]]; then
if ! [[ -f $srcmods/modules.dep ]]; then
if [[ -n "$(find "$srcmods" -name '*.ko*')" ]]; then
dfatal "$srcmods/modules.dep is missing. Did you run depmod?"
exit 1
else
dwarn "$srcmods/modules.dep is missing. Did you run depmod?"
fi
fi
fi
if [[ ! $print_cmdline ]]; then
if [[ -f $outfile && ! $force ]]; then
dfatal "Will not override existing initramfs ($outfile) without --force"
exit 1
fi
outdir=${outfile%/*}
[[ $outdir ]] || outdir="/"
if [[ ! -d "$outdir" ]]; then
dfatal "Can't write to $outdir: Directory $outdir does not exist or is not accessible."
exit 1
elif [[ ! -w "$outdir" ]]; then
dfatal "No permission to write to $outdir."
exit 1
elif [[ -f "$outfile" && ! -w "$outfile" ]]; then
dfatal "No permission to write $outfile."
exit 1
fi
fi
# Need to be able to have non-root users read stuff (rpcbind etc)
chmod 755 "$initdir"
if [[ $hostonly ]]; then
for i in /sys /proc /run /dev; do
if ! findmnt --target "$i" &>/dev/null; then
dwarning "Turning off host-only mode: '$i' is not mounted!"
unset hostonly
fi
done
fi
declare -A host_fs_types
for line in "${fstab_lines[@]}"; do
set -- $line
#dev mp fs fsopts
push host_devs "$1"
host_fs_types["$1"]="$3"
done
for f in $add_fstab; do
[[ -e $f ]] || continue
while read dev rest; do
push host_devs "$dev"
done < "$f"
done
for dev in $add_device; do
push host_devs "$dev"
done
if (( ${#add_device_l[@]} )); then
while pop add_device_l val; do
add_device+=" $val "
push host_devs "$val"
done
fi
if [[ $hostonly ]] && [[ "$hostonly_default_device" != "no" ]]; then
# in hostonly mode, determine all devices, which have to be accessed
# and examine them for filesystem types
for mp in \
"/" \
"/etc" \
"/bin" \
"/sbin" \
"/lib" \
"/lib64" \
"/usr" \
"/usr/bin" \
"/usr/sbin" \
"/usr/lib" \
"/usr/lib64" \
"/boot" \
"/boot/efi" \
;
do
mp=$(readlink -f "$mp")
mountpoint "$mp" >/dev/null 2>&1 || continue
_dev=$(find_block_device "$mp")
_bdev=$(readlink -f "/dev/block/$_dev")
[[ -b $_bdev ]] && _dev=$_bdev
push host_devs $_dev
[[ "$mp" == "/" ]] && root_dev="$_dev"
push host_devs "$_dev"
done
if [[ -f /proc/swaps ]] && [[ -f /etc/fstab ]]; then
while read dev type rest; do
[[ -b $dev ]] || continue
[[ "$type" == "partition" ]] || continue
while read _d _m _t _o _r; do
[[ "$_d" == \#* ]] && continue
[[ $_d ]] || continue
[[ $_t != "swap" ]] && continue
[[ $_m != "swap" ]] && [[ $_m != "none" ]] && continue
[[ "$_o" == *noauto* ]] && continue
_d=$(expand_persistent_dev "$_d")
[[ "$_d" -ef "$dev" ]] || continue
if [[ -f /etc/crypttab ]]; then
while read _mapper _a _p _o || [ -n "$_mapper" ]; do
[[ $_mapper = \#* ]] && continue
[[ "$_d" -ef /dev/mapper/"$_mapper" ]] || continue
[[ "$_o" ]] || _o="$_p"
# skip entries with password files
[[ "$_p" == /* ]] && [[ -f $_p ]] && continue 2
# skip mkswap swap
[[ $_o == *swap* ]] && continue 2
done < /etc/crypttab
fi
_dev="$(readlink -f "$dev")"
push host_devs "$_dev"
push swap_devs "$_dev"
break
done < /etc/fstab
done < /proc/swaps
fi
# collect all "x-initrd.mount" entries from /etc/fstab
if [[ -f /etc/fstab ]]; then
while read _d _m _t _o _r || [ -n "$_d" ]; do
[[ "$_d" == \#* ]] && continue
[[ $_d ]] || continue
[[ "$_o" != *x-initrd.mount* ]] && continue
_dev=$(expand_persistent_dev "$_d")
_dev="$(readlink -f "$_dev")"
[[ -b $_dev ]] && push host_devs "$_dev"
done < /etc/fstab
fi
fi
if [[ $hostonly ]]; then
# record all host modaliases
declare -A host_modalias
find /sys/devices/ -name uevent -print > "$initdir/.modalias"
while read m; do
while read line; do
[[ "$line" != MODALIAS\=* ]] && continue
modalias="${line##MODALIAS=}" && [[ $modalias ]] && host_modalias["$modalias"]=1
break
done < "$m"
done < "$initdir/.modalias"
rm -f -- "$initdir/.modalias"
while read _k _s _v; do
[ "$_k" != "name" -a "$_k" != "driver" ] && continue
host_modalias["$_v"]=1
done </proc/crypto
# check /proc/modules
declare -A host_modules
declare new_module_found=1
declare tmpmodules=$(mktemp --tmpdir="$TMPDIR/" -t proc_modules.XXXXXX)
while [[ $new_module_found ]]; do
new_module_found=
sleep 0.1
#reading from procfs can be broken, so copy the file elsewhere
cp -f /proc/modules "$tmpmodules"
while read m rest; do
[ -z "$m" ] && continue
[[ ${host_modules["$m"]} ]] && continue
host_modules["$m"]=1
new_module_found=1
done < "$tmpmodules"
done
rm "$tmpmodules"
unset new_module_found
unset tmpmodules
fi
unset m
unset rest
_get_fs_type() {
[[ $1 ]] || return
if [[ -b /dev/block/$1 ]]; then
ID_FS_TYPE=$(get_fs_env "/dev/block/$1") && host_fs_types["$(readlink -f "/dev/block/$1")"]="$ID_FS_TYPE"
return 1
fi
if [[ -b $1 ]]; then
ID_FS_TYPE=$(get_fs_env "$1") && host_fs_types["$(readlink -f "$1")"]="$ID_FS_TYPE"
return 1
fi
if fstype=$(find_dev_fstype "$1"); then
host_fs_types["$1"]="$fstype"
return 1
fi
return 1
}
for dev in "${host_devs[@]}"; do
_get_fs_type "$dev"
check_block_and_slaves_all _get_fs_type "$(get_maj_min "$dev")"
done
for dev in "${!host_fs_types[@]}"; do
[[ ${host_fs_types[$dev]} = "reiserfs" ]] || [[ ${host_fs_types[$dev]} = "xfs" ]] || continue
rootopts=$(find_dev_fsopts "$dev")
if [[ ${host_fs_types[$dev]} = "reiserfs" ]]; then
journaldev=$(fs_get_option $rootopts "jdev")
elif [[ ${host_fs_types[$dev]} = "xfs" ]]; then
journaldev=$(fs_get_option $rootopts "logdev")
fi
if [[ $journaldev ]]; then
dev="$(readlink -f "$dev")"
push host_devs "$dev"
_get_fs_type "$dev"
check_block_and_slaves_all _get_fs_type "$(get_maj_min "$dev")"
fi
done
# also put the additional filesystems in host_fs_types
# so that the according modules are installed.
for fs in $filesystems; do
host_fs_types[$fs]="$fs"
done
[[ -d $udevdir ]] \
|| udevdir="$(pkg-config udev --variable=udevdir 2>/dev/null)"
if ! [[ -d "$udevdir" ]]; then
[[ -d /lib/udev ]] && udevdir=/lib/udev
[[ -d /usr/lib/udev ]] && udevdir=/usr/lib/udev
fi
[[ -d $systemdutildir ]] \
|| systemdutildir=$(pkg-config systemd --variable=systemdutildir 2>/dev/null)
if ! [[ -d "$systemdutildir" ]]; then
[[ -d /lib/systemd ]] && systemdutildir=/lib/systemd
[[ -d /usr/lib/systemd ]] && systemdutildir=/usr/lib/systemd
fi
[[ -d $systemdsystemunitdir ]] \
|| systemdsystemunitdir=$(pkg-config systemd --variable=systemdsystemunitdir 2>/dev/null)
[[ -d "$systemdsystemunitdir" ]] || systemdsystemunitdir=${systemdutildir}/system
[[ -d $systemdsystemconfdir ]] \
|| systemdsystemconfdir=$(pkg-config systemd --variable=systemdsystemconfdir 2>/dev/null)
[[ -d "$systemdsystemconfdir" ]] || systemdsystemconfdir=/etc/systemd/system
[[ -d $tmpfilesdir ]] \
|| tmpfilesdir=$(pkg-config systemd --variable=tmpfilesdir 2>/dev/null)
if ! [[ -d "$tmpfilesdir" ]]; then
[[ -f /lib/tmpfiles.d ]] && tmpfilesdir=/lib/tmpfiles.d
[[ -f /usr/lib/tmpfiles.d ]] && tmpfilesdir=/usr/lib/tmpfiles.d
fi
export initdir dracutbasedir \
dracutmodules force_add_dracutmodules add_dracutmodules omit_dracutmodules \
mods_to_load \
fw_dir drivers_dir debug no_kernel kernel_only \
omit_drivers mdadmconf lvmconf root_dev \
use_fstab fstab_lines libdirs fscks nofscks ro_mnt \
stdloglvl sysloglvl fileloglvl kmsgloglvl logfile \
debug host_fs_types host_devs swap_devs sshkey add_fstab \
DRACUT_VERSION udevdir prefix filesystems drivers \
systemdutildir systemdsystemunitdir systemdsystemconfdir \
host_modalias host_modules hostonly_cmdline loginstall \
tmpfilesdir
mods_to_load=""
# check all our modules to see if they should be sourced.
# This builds a list of modules that we will install next.
for_each_module_dir check_module
for_each_module_dir check_mount
dracut_module_included "fips" && export DRACUT_FIPS_MODE=1
if [[ $print_cmdline ]]; then
modules_loaded=" "
# source our modules.
for moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
_d_mod=${moddir##*/}; _d_mod=${_d_mod#[0-9][0-9]}
module_cmdline "$_d_mod"
done
unset moddir
printf "\n"
exit 0
fi
# Create some directory structure first
[[ $prefix ]] && mkdir -m 0755 -p "${initdir}${prefix}"
[[ -h /lib ]] || mkdir -m 0755 -p "${initdir}${prefix}/lib"
[[ $prefix ]] && ln -sfn "${prefix#/}/lib" "$initdir/lib"
if [[ $prefix ]]; then
for d in bin etc lib sbin tmp usr var $libdirs; do
[[ "$d" == */* ]] && continue
ln -sfn "${prefix#/}/${d#/}" "$initdir/$d"
done
fi
if [[ $kernel_only != yes ]]; then
for d in usr/bin usr/sbin bin etc lib sbin tmp usr var $libdirs; do
[[ -e "${initdir}${prefix}/$d" ]] && continue
if [ -L "/$d" ]; then
inst_symlink "/$d" "${prefix}/$d"
else
mkdir -m 0755 -p "${initdir}${prefix}/$d"
fi
done
for d in dev proc sys sysroot root run; do
if [ -L "/$d" ]; then
inst_symlink "/$d"
else
mkdir -m 0755 -p "$initdir/$d"
fi
done
ln -sfn ../run "$initdir/var/run"
ln -sfn ../run/lock "$initdir/var/lock"
else
for d in lib "$libdir"; do
[[ -e "${initdir}${prefix}/$d" ]] && continue
if [ -h "/$d" ]; then
inst "/$d" "${prefix}/$d"
else
mkdir -m 0755 -p "${initdir}${prefix}/$d"
fi
done
fi
if [[ $kernel_only != yes ]]; then
mkdir -p "${initdir}/etc/cmdline.d"
for _d in $hookdirs; do
mkdir -m 0755 -p ${initdir}/lib/dracut/hooks/$_d
done
if [[ "$UID" = "0" ]]; then
[ -c ${initdir}/dev/null ] || mknod ${initdir}/dev/null c 1 3
[ -c ${initdir}/dev/kmsg ] || mknod ${initdir}/dev/kmsg c 1 11
[ -c ${initdir}/dev/console ] || mknod ${initdir}/dev/console c 5 1
fi
fi
_isize=0 #initramfs size
modules_loaded=" "
# source our modules.
for moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
_d_mod=${moddir##*/}; _d_mod=${_d_mod#[0-9][0-9]}
if [[ "$mods_to_load" == *\ $_d_mod\ * ]]; then
if [[ $show_modules = yes ]]; then
printf "%s\n" "$_d_mod"
else
dinfo "*** Including module: $_d_mod ***"
fi
if [[ $kernel_only == yes ]]; then
module_installkernel "$_d_mod" || {
dfatal "installkernel failed in module $_d_mod"
exit 1
}
else
module_install "$_d_mod"
if [[ $no_kernel != yes ]]; then
module_installkernel "$_d_mod" || {
dfatal "installkernel failed in module $_d_mod"
exit 1
}
fi
fi
mods_to_load=${mods_to_load// $_d_mod /}
modules_loaded+="$_d_mod "
#print the module install size
if [ -n "$printsize" ]; then
_isize_new=$(du -sk ${initdir}|cut -f1)
_isize_delta=$((_isize_new - _isize))
printf "%s\n" "$_d_mod install size: ${_isize_delta}k"
_isize=$_isize_new
fi
fi
done
unset moddir
for i in $modules_loaded; do
mkdir -p $initdir/lib/dracut
printf "%s\n" "$i" >> $initdir/lib/dracut/modules.txt
done
dinfo "*** Including modules done ***"
## final stuff that has to happen
if [[ $no_kernel != yes ]]; then
if [[ $hostonly ]]; then
echo "$(get_loaded_kernel_modules)" > $initdir/lib/dracut/loaded-kernel-modules.txt
fi
if [[ $drivers ]]; then
hostonly='' instmods $drivers
fi
if [[ $add_drivers ]]; then
hostonly='' instmods -c $add_drivers
fi
if [[ $force_drivers ]]; then
hostonly='' instmods -c $force_drivers
rm -f $initdir/etc/cmdline.d/20-force_driver.conf
for mod in $force_drivers; do
echo "rd.driver.pre=$mod" >>$initdir/etc/cmdline.d/20-force_drivers.conf
done
fi
if [[ $filesystems ]]; then
hostonly='' instmods -c $filesystems
fi
dinfo "*** Installing kernel module dependencies and firmware ***"
dracut_kernel_post
dinfo "*** Installing kernel module dependencies and firmware done ***"
if [[ $noimageifnotneeded == yes ]] && [[ $hostonly ]]; then
if [[ ! -f "$initdir/lib/dracut/need-initqueue" ]] && \
[[ -f ${initdir}/lib/modules/$kernel/modules.dep && ! -s ${initdir}/lib/modules/$kernel/modules.dep ]]; then
for i in ${initdir}/etc/cmdline.d/*.conf; do
# We need no initramfs image and do not generate one.
[[ $i == "${initdir}/etc/cmdline.d/*.conf" ]] && exit 0
done
fi
fi
fi
if [[ $kernel_only != yes ]]; then
(( ${#install_items[@]} > 0 )) && inst_multiple ${install_items[@]}
(( ${#install_optional_items[@]} > 0 )) && inst_multiple -o ${install_optional_items[@]}
[[ $kernel_cmdline ]] && printf "%s\n" "$kernel_cmdline" >> "${initdir}/etc/cmdline.d/01-default.conf"
while pop fstab_lines line; do
line=($line)
[ -z "${line[3]}" ] && line[3]="defaults"
[ -z "${line[4]}" ] && line[4]="0"
[ -z "${line[5]}" ] && line[5]="2"
strstr "${line[2]}" "nfs" && line[5]="0"
echo "${line[@]}" >> "${initdir}/etc/fstab"
done
for f in $add_fstab; do
cat "$f" >> "${initdir}/etc/fstab"
done
if [ -d ${initdir}/$systemdutildir ]; then
mkdir -p ${initdir}/etc/conf.d
{
printf "%s\n" "systemdutildir=\"$systemdutildir\""
printf "%s\n" "systemdsystemunitdir=\"$systemdsystemunitdir\""
printf "%s\n" "systemdsystemconfdir=\"$systemdsystemconfdir\""
} > ${initdir}/etc/conf.d/systemd.conf
fi
if [[ $DRACUT_RESOLVE_LAZY ]] && [[ $DRACUT_INSTALL ]]; then
dinfo "*** Resolving executable dependencies ***"
find "$initdir" -type f \
'(' -perm -0100 -or -perm -0010 -or -perm -0001 ')' \
-not -path '*.ko' -print0 \
| xargs -r -0 $DRACUT_INSTALL ${initdir:+-D "$initdir"} -R ${DRACUT_FIPS_MODE:+-H} --
dinfo "*** Resolving executable dependencies done***"
fi
fi
while pop include_src src && pop include_target target; do
if [[ $src && $target ]]; then
if [[ -f $src ]]; then
inst $src $target
else
ddebug "Including directory: $src"
destdir="${initdir}/${target}"
mkdir -p "$destdir"
# check for preexisting symlinks, so we can cope with the
# symlinks to $prefix
# Objectname is a file or a directory
for objectname in "$src"/*; do
[[ -e "$objectname" || -h "$objectname" ]] || continue
if [[ -d "$objectname" ]]; then
# objectname is a directory, let's compute the final directory name
object_destdir=${destdir}/${objectname#$src/}
if ! [[ -e "$object_destdir" ]]; then
mkdir -m 0755 -p "$object_destdir"
chmod --reference="$objectname" "$object_destdir"
fi
cp --reflink=auto --sparse=auto -fa -t "$object_destdir" "$objectname"/*
else
cp --reflink=auto --sparse=auto -fa -t "$destdir" "$objectname"
fi
done
fi
fi
done
if [[ $kernel_only != yes ]]; then
# make sure that library links are correct and up to date
for f in /etc/ld.so.conf /etc/ld.so.conf.d/*; do
[[ -f $f ]] && inst_simple "$f"
done
if ! ldconfig -r "$initdir"; then
if [[ $UID = 0 ]]; then
derror "ldconfig exited ungracefully"
else
derror "ldconfig might need uid=0 (root) for chroot()"
fi
fi
fi
PRELINK_BIN="$(command -v prelink)"
if [[ $UID = 0 ]] && [[ $PRELINK_BIN ]]; then
if [[ $DRACUT_FIPS_MODE ]]; then
dinfo "*** Installing prelink files ***"
inst_multiple -o prelink /etc/prelink.conf /etc/prelink.conf.d/*.conf /etc/prelink.cache
elif [[ $do_prelink == yes ]]; then
dinfo "*** Pre-linking files ***"
inst_multiple -o prelink /etc/prelink.conf /etc/prelink.conf.d/*.conf
chroot "$initdir" "$PRELINK_BIN" -a
rm -f -- "$initdir/$PRELINK_BIN"
rm -fr -- "$initdir"/etc/prelink.*
dinfo "*** Pre-linking files done ***"
fi
fi
if [[ $do_hardlink = yes ]] && command -v hardlink >/dev/null; then
dinfo "*** Hardlinking files ***"
hardlink "$initdir" 2>&1
dinfo "*** Hardlinking files done ***"
fi
# strip binaries
if [[ $do_strip = yes ]] ; then
for p in strip xargs find; do
if ! type -P $p >/dev/null; then
dinfo "Could not find '$p'. Not stripping the initramfs."
do_strip=no
fi
done
fi
if [[ $do_strip = yes ]] && ! [[ $DRACUT_FIPS_MODE ]]; then
dinfo "*** Stripping files ***"
find "$initdir" -type f \
-executable -not -path '*/lib/modules/*.ko' -print0 \
| xargs -r -0 strip -g 2>/dev/null
# strip kernel modules, but do not touch signed modules
find "$initdir" -type f -path '*/lib/modules/*.ko' -print0 \
| while read -r -d $'\0' f; do
SIG=$(tail -c 28 "$f")
[[ $SIG == '~Module signature appended~' ]] || { printf "%s\000" "$f"; }
done | xargs -r -0 strip -g
dinfo "*** Stripping files done ***"
fi
if [[ $early_microcode = yes ]]; then
dinfo "*** Generating early-microcode cpio image contents ***"
ucode_dir=(amd-ucode intel-ucode)
ucode_dest=(AuthenticAMD.bin GenuineIntel.bin)
_dest_dir="$early_cpio_dir/d/kernel/x86/microcode"
_dest_idx="0 1"
mkdir -p $_dest_dir
if [[ $hostonly ]]; then
[[ $(get_cpu_vendor) == "AMD" ]] && _dest_idx="0"
[[ $(get_cpu_vendor) == "Intel" ]] && _dest_idx="1"
fi
for idx in $_dest_idx; do
_fw=${ucode_dir[$idx]}
for _fwdir in $fw_dir; do
if [[ -d $_fwdir && -d $_fwdir/$_fw ]]; then
_src="*"
dinfo "*** Constructing ${ucode_dest[$idx]} ****"
if [[ $hostonly ]]; then
_src=$(get_ucode_file)
[[ $_src ]] || break
[[ -r $_fwdir/$_fw/$_src ]] || break
fi
for i in $_fwdir/$_fw/$_src; do
[ -e "$i" ] && break
break 2
done
for i in $_fwdir/$_fw/$_src; do
[[ -e "$i" ]] || continue
# skip gpg files
str_ends "$i" ".asc" && continue
cat "$i" >> $_dest_dir/${ucode_dest[$idx]}
done
create_early_cpio="yes"
fi
done
done
if ! [[ $create_early_cpio = yes ]]; then
dinfo "*** No early-microcode cpio image needed ***"
fi
fi
if [[ $acpi_override = yes ]] && [[ -d $acpi_table_dir ]]; then
dinfo "*** Packaging ACPI tables to override BIOS provided ones ***"
_dest_dir="$early_cpio_dir/d/kernel/firmware/acpi"
mkdir -p $_dest_dir
for table in $acpi_table_dir/*.aml; do
dinfo " Adding ACPI table: $table"
cp $table $_dest_dir
create_early_cpio="yes"
done
fi
dinfo "*** Store current command line parameters ***"
if ! ( echo $PARMS_TO_STORE > $initdir/lib/dracut/build-parameter.txt ); then
dfatal "Could not store the current command line parameters"
exit 1
fi
rm -f -- "$outfile"
dinfo "*** Creating image file ***"
[[ "$UID" != 0 ]] && cpio_owner_root="-R 0:0"
if [[ $create_early_cpio = yes ]]; then
dinfo "*** Creating microcode section ***"
echo 1 > "$early_cpio_dir/d/early_cpio"
# The microcode blob is _before_ the initramfs blob, not after
if ! (
umask 077
cd "$early_cpio_dir/d"
find . -print0 | cpio --null $cpio_owner_root -H newc -o --quiet > "${DRACUT_TMPDIR}/initramfs.img"
); then
dfatal "dracut: creation of $outfile failed"
exit 1
else
dinfo "*** Created microcode section ***"
fi
fi
if ! (
umask 077
cd "$initdir"
find . -print0 | cpio --null $cpio_owner_root -H newc -o --quiet | \
$compress >> "${DRACUT_TMPDIR}/initramfs.img";
); then
dfatal "dracut: creation of $outfile failed"
exit 1
fi
dinfo "*** Creating image file done ***"
if (( maxloglvl >= 5 )) && (( verbosity_mod_l >= 0 )); then
if [[ $allowlocal ]]; then
"$dracutbasedir/lsinitrd.sh" "${DRACUT_TMPDIR}/initramfs.img" | ddebug
else
lsinitrd "${DRACUT_TMPDIR}/initramfs.img" | ddebug
fi
fi
if cp --reflink=auto "${DRACUT_TMPDIR}/initramfs.img" "$outfile" |& derror ; then
dinfo "*** Creating initramfs image file '$outfile' done ***"
else
rm -f -- "$outfile"
dfatal "dracut: creation of $outfile failed"
exit 1
fi
if ! sync "$outfile" 2> /dev/null; then
dinfo "dracut: sync operartion on newly created initramfs $outfile failed"
exit 1
fi
exit 0