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#!/bin/bash -p
#
# 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/>.
#
# store for logging
unset BASH_ENV
unset GZIP
# Verify bash version, current minimum is 4
if (( BASH_VERSINFO[0] < 4 )); then
printf -- 'You need at least Bash 4 to use dracut, sorry.' >&2
exit 1
fi
dracut_args=( "$@" )
readonly dracut_cmd="$(readlink -f $0)"
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: $dracut_cmd [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: $dracut_cmd [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
--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.
--hostonly-nics [LIST]
Only enable listed NICs in the initramfs.
--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
--mount "[MP]" Same as above, but [DEV], [FSTYPE] and [FSOPTS] are
determined by looking at the current mounts.
--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.
--zstd Compress the generated initramfs using Zstandard.
Make sure that your kernel has zstd 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)
--reproducible Create reproducible images
--no-reproducible Do not create reproducible images
--loginstall [DIR] Log all files installed from the host to [DIR]
--uefi Create an UEFI executable with the kernel cmdline and
kernel combined
--uefi-stub [FILE] Use the UEFI stub [FILE] to create an UEFI executable
--kernel-image [FILE] Location of the kernel image
--regenerate-all Regenerate all initramfs images at the default location
for the kernel versions found on the system
If [LIST] has multiple arguments, then you have to put these in quotes.
For example:
# dracut --add-drivers "module1 module2" ...
EOF
}
# Fills up host_devs stack variable and makes sure there are no duplicates
push_host_devs() {
local _dev
for _dev in "$@"; do
[[ " ${host_devs[@]} " == *" $_dev "* ]] && return
host_devs+=( "$_dev" )
done
}
# 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
}
check_conf_file()
{
if grep -H -e '^[^#]*[+]=\("[^ ]\|.*[^ ]"\)' "$@"; then
printf '\ndracut: WARNING: <key>+=" <values> ": <values> should have surrounding white spaces!\n' >&2
printf 'dracut: WARNING: This will lead to unwanted side effects! Please fix the configuration file.\n\n' >&2
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
newat=()
for i in "$@"; do
if [[ $i == "-i" ]] || [[ $i == "--include" ]]; then
newat+=("++include") # Replace --include by ++include
else
newat+=("$i")
fi
done
set -- "${newat[@]}" # Set new $@
TEMP=$(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 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 zstd \
--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 reproducible \
--long no-reproducible \
--long loginstall: \
--long uefi \
--long uefi-stub: \
--long kernel-image: \
--long no-hostonly-i18n \
--long hostonly-i18n \
--long hostonly-nics: \
--long no-machineid \
-- "$@")
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 "$@"
fi
fi
unset PARMS_TO_STORE
PARMS_TO_STORE=""
eval set -- "$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) add_dracutmodules_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--force-add) force_add_dracutmodules_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--add-drivers) add_drivers_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--force-drivers) force_drivers_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--omit-drivers) omit_drivers_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
-m|--modules) dracutmodules_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
-o|--omit) omit_dracutmodules_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
-d|--drivers) drivers_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--filesystems) filesystems_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
-I|--install) install_items_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--install-optional) install_optional_items_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--fwdir) fw_dir_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--libdirs) libdirs_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--fscks) fscks_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--add-fstab) add_fstab_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--mount) fstab_lines+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--add-device|--device) add_device_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--kernel-cmdline) 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;;
--loginstall) loginstall_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";;
--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" ;;
--hostonly-nics)
hostonly_nics_l+=("$2"); PARMS_TO_STORE+=" '$2'"; shift;;
--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) 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";;
--zstd) compress_l="zstd";;
--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";;
--reproducible) reproducible_l="yes";;
--no-reproducible) reproducible_l="no";;
--uefi) uefi="yes";;
--uefi-stub)
uefi_stub_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--kernel-image)
kernel_image_l="$2"; PARMS_TO_STORE+=" '$2'"; shift;;
--no-machineid)
machine_id_l="no";;
--) 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
include_src+=("$2")
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_cmd" --kver="$i" "${dracut_args[@]}"
((ret+=$?))
done
exit $ret
fi
if ! [[ $kernel ]]; then
kernel=$(uname -r)
fi
export LC_ALL=C
export LANG=C
unset LC_MESSAGES
unset LC_CTYPE
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
if [[ -f $conffile ]]; then
check_conf_file "$conffile"
. "$conffile"
fi
# source our config dir
for f in $(dropindirs_sort ".conf" "$confdir" "$dracutbasedir/dracut.conf.d"); do
check_conf_file "$f"
[[ -e $f ]] && . "$f"
done
DRACUT_PATH=${DRACUT_PATH:-/sbin /bin /usr/sbin /usr/bin}
for i in $DRACUT_PATH; do
rl=$i
if [ -L "$i" ]; then
rl=$(readlink -f $i)
fi
if [[ "$NPATH" != *:$rl* ]] ; then
NPATH+=":$rl"
fi
done
export PATH="${NPATH#:}"
unset NPATH
# these options add to the stuff in the config file
(( ${#add_dracutmodules_l[@]} )) && add_dracutmodules+=" ${add_dracutmodules_l[@]} "
(( ${#force_add_dracutmodules_l[@]} )) && force_add_dracutmodules+=" ${force_add_dracutmodules_l[@]} "
(( ${#fscks_l[@]} )) && fscks+=" ${fscks_l[@]} "
(( ${#add_fstab_l[@]} )) && add_fstab+=" ${add_fstab_l[@]} "
(( ${#fstab_lines_l[@]} )) && fstab_lines+=( "${fstab_lines_l[@]}" )
(( ${#install_items_l[@]} )) && install_items+=" ${install_items_l[@]} "
(( ${#install_optional_items_l[@]} )) && install_optional_items+=" ${install_optional_items_l[@]} "
(( ${#hostonly_nics_l[@]} )) && hostonly_nics+=" ${hostonly_nics_l[@]} "
# these options override the stuff in the config file
(( ${#dracutmodules_l[@]} )) && dracutmodules="${dracutmodules_l[@]}"
(( ${#omit_dracutmodules_l[@]} )) && omit_dracutmodules="${omit_dracutmodules_l[@]}"
(( ${#filesystems_l[@]} )) && filesystems="${filesystems_l[@]}"
(( ${#fw_dir_l[@]} )) && fw_dir="${fw_dir_l[@]}"
(( ${#libdirs_l[@]} ))&& libdirs="${libdirs_l[@]}"
[[ $stdloglvl_l ]] && stdloglvl=$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
[[ $do_hardlink_l ]] && do_hardlink=$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
[[ "$hostonly" == "yes" ]] && ! [[ $hostonly_cmdline ]] && hostonly_cmdline="yes"
[[ $i18n_install_all_l ]] && i18n_install_all=$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=yes
[[ $logfile_l ]] && logfile="$logfile_l"
[[ $reproducible_l ]] && reproducible="$reproducible_l"
[[ $loginstall_l ]] && loginstall="$loginstall_l"
[[ $uefi_stub_l ]] && uefi_stub="$uefi_stub_l"
[[ $kernel_image_l ]] && kernel_image="$kernel_image_l"
[[ $machine_id_l ]] && machine_id="$machine_id_l"
if ! [[ $outfile ]]; then
if [[ $machine_id != "no" ]]; then
[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
fi
if [[ $uefi == "yes" ]]; then
BUILD_ID=$(cat /etc/os-release /usr/lib/os-release \
| while read -r line || [[ $line ]]; do \
[[ $line =~ BUILD_ID\=* ]] && eval "$line" && echo "$BUILD_ID" && break; \
done)
if [[ -d /efi ]] && mountpoint -q /efi; then
efidir=/efi
else
efidir=/boot/EFI
if [[ -d /boot/efi/EFI ]] && mountpoint -q /boot/efi; then
efidir=/boot/efi/EFI
fi
fi
mkdir -p "$efidir/Linux"
outfile="$efidir/Linux/linux-$kernel${MACHINE_ID:+-${MACHINE_ID}}${BUILD_ID:+-${BUILD_ID}}.efi"
else
if [[ -e "/boot/vmlinuz-$kernel" ]]; then
outfile="/boot/initramfs-$kernel.img"
elif [[ $MACHINE_ID ]] && ( [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]] ); then
outfile="/boot/${MACHINE_ID}/$kernel/initrd"
else
outfile="/boot/initramfs-$kernel.img"
fi
fi
fi
# eliminate IFS hackery when messing with fw_dir
export DRACUT_FIRMWARE_PATH=${fw_dir// /:}
fw_dir=${fw_dir//:/ }
# check for logfile and try to create one if it doesn't exist
if [[ -n "$logfile" ]];then
if [[ ! -f "$logfile" ]];then
touch "$logfile"
if [ ! $? -eq 0 ] ;then
printf "%s\n" "dracut: touch $logfile failed." >&2
fi
fi
fi
# handle compression options.
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
[[ $reproducible == yes ]] && DRACUT_REPRODUCIBLE=1
readonly TMPDIR="$(realpath -e "$tmpdir")"
[ -d "$TMPDIR" ] || {
printf "%s\n" "dracut: Invalid tmpdir '$tmpdir'." >&2
exit 1
}
readonly DRACUT_TMPDIR="$(mktemp -p "$TMPDIR/" -d -t dracut.XXXXXX)"
[ -d "$DRACUT_TMPDIR" ] || {
printf "%s\n" "dracut: mktemp -p '$TMPDIR/' -d -t dracut.XXXXXX failed." >&2
exit 1
}
# Cache file used to optimize get_maj_min()
declare -x -r get_maj_min_cache_file="${DRACUT_TMPDIR}/majmin_cache"
: > "$get_maj_min_cache_file"
# clean up after ourselves no matter how we die.
trap '
ret=$?;
[[ $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"
if [[ $early_microcode = yes ]] || ( [[ $acpi_override = yes ]] && [[ -d $acpi_table_dir ]] ); then
readonly early_cpio_dir="${DRACUT_TMPDIR}/earlycpio"
mkdir "$early_cpio_dir"
fi
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 $dracut_cmd" >&2
exit 1
fi
if [[ $no_kernel != yes ]] && ! [[ -d $srcmods ]]; then
printf "%s\n" "dracut: Cannot find module directory $srcmods" >&2
printf "%s\n" "dracut: and --no-kernel was not specified" >&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 -- ${initdir}/*
fi
dracutfunctions=$dracutbasedir/dracut-functions.sh
export dracutfunctions
(( ${#drivers_l[@]} )) && drivers="${drivers_l[@]}"
drivers=${drivers/-/_}
(( ${#add_drivers_l[@]} )) && add_drivers+=" ${add_drivers_l[@]} "
add_drivers=${add_drivers/-/_}
(( ${#force_drivers_l[@]} )) && force_drivers+=" ${force_drivers_l[@]} "
force_drivers=${force_drivers/-/_}
(( ${#omit_drivers_l[@]} )) && omit_drivers+=" ${omit_drivers_l[@]} "
omit_drivers=${omit_drivers/-/_}
(( ${#kernel_cmdline_l[@]} )) && kernel_cmdline+=" ${kernel_cmdline_l[@]} "
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: $dracut_cmd ${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 [[ $no_kernel != yes ]] && [[ -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
elif ! ( command -v gzip &>/dev/null && command -v xz &>/dev/null); then
read _mod < $srcmods/modules.dep
_mod=${_mod%%:*}
if [[ -f $srcmods/"$_mod" ]]; then
# Check, if kernel modules are compressed, and if we can uncompress them
case "$_mod" in
*.ko.gz) kcompress=gzip;;
*.ko.xz) kcompress=xz;;
esac
if [[ $kcompress ]]; then
if ! command -v "$kcompress" &>/dev/null; then
dfatal "Kernel modules are compressed with $kcompress, but $kcompress is not available."
exit 1
fi
fi
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
if [[ $loginstall ]]; then
if ! mkdir -p "$loginstall"; then
dfatal "Could not create directory to log installed files to '$loginstall'."
exit 1
fi
loginstall=$(readlink -f "$loginstall")
fi
if [[ $uefi = yes ]]; then
if ! command -v objcopy &>/dev/null; then
dfatal "Need 'objcopy' to create a UEFI executable"
exit 1
fi
unset EFI_MACHINE_TYPE_NAME
case $(arch) in
x86_64)
EFI_MACHINE_TYPE_NAME=x64;;
ia32)
EFI_MACHINE_TYPE_NAME=ia32;;
*)
dfatal "Architecture '$(arch)' not supported to create a UEFI executable"
exit 1
;;
esac
if ! [[ -s $uefi_stub ]]; then
for uefi_stub in \
"${systemdutildir}/boot/efi/linux${EFI_MACHINE_TYPE_NAME}.efi.stub" \
"/usr/lib/gummiboot/linux${EFI_MACHINE_TYPE_NAME}.efi.stub"; do
[[ -s $uefi_stub ]] || continue
break
done
fi
if ! [[ -s $uefi_stub ]]; then
dfatal "Can't find a uefi stub '$uefi_stub' to create a UEFI executable"
exit 1
fi
if ! [[ $kernel_image ]]; then
for kernel_image in "/lib/modules/$kernel/vmlinuz" "/boot/vmlinuz-$kernel"; do
[[ -s "$kernel_image" ]] || continue
break
done
fi
if ! [[ -s $kernel_image ]]; then
dfatal "Can't find a kernel image '$kernel_image' to create a UEFI executable"
exit 1
fi
fi
fi
if [[ $acpi_override = yes ]] && ! ( check_kernel_config CONFIG_ACPI_TABLE_UPGRADE || check_kernel_config CONFIG_ACPI_INITRD_TABLE_OVERRIDE ); then
dwarn "Disabling ACPI override, because kernel does not support it. CONFIG_ACPI_INITRD_TABLE_OVERRIDE!=y or CONFIG_ACPI_TABLE_UPGRADE!=y"
unset acpi_override
fi
if [[ $early_microcode = yes ]]; then
if [[ $hostonly ]]; then
if [[ $(get_cpu_vendor) == "AMD" ]]; then
check_kernel_config CONFIG_MICROCODE_AMD || unset early_microcode
elif [[ $(get_cpu_vendor) == "Intel" ]]; then
check_kernel_config CONFIG_MICROCODE_INTEL || unset early_microcode
else
unset early_microcode
fi
else
! check_kernel_config CONFIG_MICROCODE_AMD \
&& ! check_kernel_config CONFIG_MICROCODE_INTEL \
&& unset early_microcode
fi
# Do not complain on non-x86 architectures as it makes no sense
case $(uname -m) in
x86_64|i?86)
[[ $early_microcode != yes ]] \
&& dwarn "Disabling early microcode, because kernel does not support it. CONFIG_MICROCODE_[AMD|INTEL]!=y"
;;
*) ;;
esac
fi
# Need to be able to have non-root users read stuff (rpcbind etc)
chmod 755 "$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="$1"
#dev mp fs fsopts
case "$dev" in
UUID=*)
dev=$(blkid -l -t UUID=${dev#UUID=} -o device)
;;
LABEL=*)
dev=$(blkid -l -t LABEL=${dev#LABEL=} -o device)
;;
PARTUUID=*)
dev=$(blkid -l -t PARTUUID=${dev#PARTUUID=} -o device)
;;
PARTLABEL=*)
dev=$(blkid -l -t PARTLABEL=${dev#PARTLABEL=} -o device)
;;
esac
[ -z "$dev" ] && dwarn "Bad fstab entry $@" && continue
if [[ "$3" == btrfs ]]; then
for i in $(btrfs_devs "$2"); do
push_host_devs "$i"
done
fi
push_host_devs "$dev"
host_fs_types["$dev"]="$3"
done
for f in $add_fstab; do
[[ -e $f ]] || continue
while read dev rest || [ -n "$dev" ]; do
push_host_devs "$dev"
done < "$f"
done
for dev in $add_device; do
push_host_devs "$dev"
done
if (( ${#add_device_l[@]} )); then
add_device+=" ${add_device_l[@]} "
push_host_devs "${add_device_l[@]}"
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" \
"/boot/zipl" \
;
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
[[ "$mp" == "/" ]] && root_devs+=("$_dev")
push_host_devs "$_dev"
if [[ $(find_mp_fstype "$mp") == btrfs ]]; then
for i in $(btrfs_devs "$mp"); do
[[ "$mp" == "/" ]] && root_devs+=("$i")
push_host_devs "$i"
done
fi
done
if [[ -f /proc/swaps ]] && [[ -f /etc/fstab ]]; then
while read dev type rest || [ -n "$dev" ]; do
[[ -b $dev ]] || continue
[[ "$type" == "partition" ]] || continue
while read _d _m _t _o _r || [ -n "$_d" ]; do
[[ "$_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"
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 $_dev ]] || continue
push_host_devs "$_dev"
if [[ "$_t" == btrfs ]]; then
for i in $(btrfs_devs "$_m"); do
push_host_devs "$i"
done
fi
done < /etc/fstab
fi
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
[[ -d $udevdir ]] \
|| udevdir="$(pkg-config udev --variable=udevdir 2>/dev/null)"
if ! [[ -d "$udevdir" ]]; then
[[ -e /lib/udev/collect ]] && udevdir=/lib/udev
[[ -e /usr/lib/udev/collect ]] && udevdir=/usr/lib/udev
fi
[[ -d $systemdutildir ]] \
|| systemdutildir=$(pkg-config systemd --variable=systemdutildir 2>/dev/null)
if ! [[ -d "$systemdutildir" ]]; then
[[ -e /lib/systemd/systemd-udevd ]] && systemdutildir=/lib/systemd
[[ -e /usr/lib/systemd/systemd-udevd ]] && 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
[[ -d /lib/tmpfiles.d ]] && tmpfilesdir=/lib/tmpfiles.d
[[ -d /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_devs \
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 \
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
do_print_cmdline()
{
local -A _mods_to_print
for i in $modules_loaded $mods_to_load; do
_mods_to_print[$i]=1
done
# 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]}
[[ ${_mods_to_print[$_d_mod]} ]] || continue
module_cmdline "$_d_mod" "$moddir"
done
unset moddir
}
if [[ $print_cmdline ]]; then
do_print_cmdline
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 var/tmp $libdirs; do
[[ -e "${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 [[ "$EUID" = "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
[ -c ${initdir}/dev/random ] || mknod ${initdir}/dev/random c 1 8
[ -c ${initdir}/dev/urandom ] || mknod ${initdir}/dev/urandom c 1 9
fi
fi
_isize=0 #initramfs size
modules_loaded=" "
# source our modules.
for moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
_d_mod=${moddir##*/}; _d_mod=${_d_mod#[0-9][0-9]}
[[ "$mods_to_load" == *\ $_d_mod\ * ]] || continue
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" "$moddir" || {
dfatal "installkernel failed in module $_d_mod"
exit 1
}
else
module_install "$_d_mod" "$moddir"
if [[ $no_kernel != yes ]]; then
module_installkernel "$_d_mod" "$moddir" || {
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
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 $drivers
fi
if [[ -n "${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 ***"
dracut_kernel_post
dinfo "*** Installing kernel module dependencies 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" >> "${initdir}/etc/cmdline.d/01-default.conf"
for line in "${fstab_lines[@]}"; do
line=($line)
if [ -z "${line[1]}" ]; then
# Determine device and mount options from current system
mountpoint -q "${line[0]}" || derror "${line[0]} is not a mount point!"
line=($(findmnt --raw -n --target "${line[0]}" --output=source,target,fstype,options))
dinfo "Line for ${line[1]}: ${line[@]}"
else
# Use default options
[ -z "${line[3]}" ] && line[3]="defaults"
fi
# Default options for freq and passno
[ -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 [[ $systemdutildir ]]; then
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
fi
if [[ $DRACUT_RESOLVE_LAZY ]] && [[ $DRACUT_INSTALL ]]; then
dinfo "*** Resolving executable dependencies ***"
find "$initdir" -type f -perm /0111 -not -path '*.ko' -print0 \
| xargs -r -0 $DRACUT_INSTALL ${initdir:+-D "$initdir"} -R ${DRACUT_FIPS_MODE:+-f} --
dinfo "*** Resolving executable dependencies done***"
fi
# Now we are done with lazy resolving, always install dependencies
unset DRACUT_RESOLVE_LAZY
export DRACUT_RESOLVE_DEPS=1
fi
for ((i=0; i < ${#include_src[@]}; i++)); do
src="${include_src[$i]}"
target="${include_target[$i]}"
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 $prefix
# Objectname is a file or a directory
reset_dotglob="$(shopt -p dotglob)"
shopt -q -s dotglob
for objectname in "$src"/*; do
[[ -e $objectname || -L $objectname ]] || continue
if [[ -d $objectname ]] && [[ ! -L $objectname ]]; then
# objectname is a directory, let's compute the final directory name
object_destdir=${destdir}/${objectname#$src/}
if ! [[ -e "$object_destdir" ]]; then
mkdir -m 0755 -p "$object_destdir"
chmod --reference="$objectname" "$object_destdir"
fi
$DRACUT_CP -t "$object_destdir" "$objectname"/.
else
$DRACUT_CP -t "$destdir" "$objectname"
fi
done
eval "$reset_dotglob"
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 [[ $EUID = 0 ]]; then
derror "ldconfig exited ungracefully"
else
derror "ldconfig might need uid=0 (root) for chroot()"
fi
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 [[ $do_strip = yes ]] ; then
# Prefer strip from elfutils for package size
declare strip_cmd=$(command -v eu-strip)
test -z "$strip_cmd" && strip_cmd="strip"
for p in $strip_cmd 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
# cleanup empty ldconfig_paths directories
for d in $(ldconfig_paths); do
rmdir -p --ignore-fail-on-non-empty "$initdir/$d" >/dev/null 2>&1
done
if [[ $early_microcode = yes ]]; then
dinfo "*** Generating early-microcode cpio image ***"
ucode_dir=(amd-ucode intel-ucode)
ucode_dest=(AuthenticAMD.bin GenuineIntel.bin)
_dest_dir="$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
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"
$DRACUT_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
if [[ $hostonly_cmdline == "yes" ]] ; then
unset _stored_cmdline
if [ -d $initdir/etc/cmdline.d ];then
dinfo "Stored kernel commandline:"
for conf in $initdir/etc/cmdline.d/*.conf ; do
[ -e "$conf" ] || continue
dinfo "$(< $conf)"
_stored_cmdline=1
done
fi
if ! [[ $_stored_cmdline ]]; then
dinfo "No dracut internal kernel commandline stored in the initramfs"
fi
fi
if [[ $kernel_only != yes ]]; then
# libpthread workaround: pthread_cancel wants to dlopen libgcc_s.so
for _dir in $libdirs; do
for _f in "$dracutsysrootdir$_dir/libpthread.so"*; do
[[ -e "$_f" ]] || continue
inst_libdir_file "libgcc_s.so*"
break 2
done
done
# FIPS workaround for Fedora/RHEL: libcrypto needs libssl when FIPS is enabled
if [[ $DRACUT_FIPS_MODE ]]; then
for _dir in $libdirs; do
for _f in "$dracutsysrootdir$_dir/libcrypto.so"*; do
[[ -e "$_f" ]] || continue
inst_libdir_file -o "libssl.so*"
break 2
done
done
fi
fi
if dracut_module_included "squash"; then
readonly squash_dir="$initdir/squash/root"
readonly squash_img="$initdir/squash-root.img"
mkdir -p "$squash_dir"
dinfo "*** Install squash loader ***"
DRACUT_SQUASH_POST_INST=1 module_install "squash"
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 $strip_cmd -g -p 2>/dev/null
# strip kernel modules, but do not touch signed modules
find "$initdir" -type f -path '*/lib/modules/*.ko' -print0 \
| while read -r -d $'\0' f || [ -n "$f" ]; do
SIG=$(tail -c 28 "$f" | tr -d '\000')
[[ $SIG == '~Module signature appended~' ]] || { printf "%s\000" "$f"; }
done | xargs -r -0 $strip_cmd -g -p
dinfo "*** Stripping files done ***"
fi
if dracut_module_included "squash"; then
dinfo "*** Squashing the files inside the initramfs ***"
declare squash_compress_arg
# shellcheck disable=SC2086
if [[ $compress ]]; then
if ! mksquashfs /dev/null "$DRACUT_TMPDIR"/.squash-test.img -no-progress -comp $compress &>/dev/null; then
dwarn "mksquashfs doesn't support compressor '$compress', failing back to default compressor."
else
squash_compress_arg="$compress"
fi
fi
# shellcheck disable=SC2086
if ! mksquashfs "$squash_dir" "$squash_img" \
-no-xattrs -no-exports -noappend -no-recovery -always-use-fragments \
-no-progress ${squash_compress_arg:+-comp $squash_compress_arg} 1> /dev/null; then
dfatal "dracut: Failed making squash image"
exit 1
fi
rm -rf "$squash_dir"
dinfo "*** Squashing the files inside the initramfs done ***"
# Skip initramfs compress
compress="cat"
fi
dinfo "*** Creating image file '$outfile' ***"
if [[ $uefi = yes ]]; then
readonly uefi_outdir="$DRACUT_TMPDIR/uefi"
mkdir "$uefi_outdir"
fi
if [[ $DRACUT_REPRODUCIBLE ]]; then
find "$initdir" -newer "$dracutbasedir/dracut-functions.sh" -print0 \
| xargs -r -0 touch -h -m -c -r "$dracutbasedir/dracut-functions.sh"
if [[ "$(cpio --help)" == *--reproducible* ]]; then
CPIO_REPRODUCIBLE=1
else
dinfo "cpio does not support '--reproducible'. Resulting image will not be reproducible."
fi
fi
[[ "$EUID" != 0 ]] && cpio_owner_root="-R 0:0"
if [[ $create_early_cpio = yes ]]; then
echo 1 > "$early_cpio_dir/d/early_cpio"
if [[ $DRACUT_REPRODUCIBLE ]]; then
find "$early_cpio_dir/d" -newer "$dracutbasedir/dracut-functions.sh" -print0 \
| xargs -r -0 touch -h -m -c -r "$dracutbasedir/dracut-functions.sh"
fi
# The microcode blob is _before_ the initramfs blob, not after
if ! (
umask 077; cd "$early_cpio_dir/d"
find . -print0 | sort -z \
| cpio ${CPIO_REPRODUCIBLE:+--reproducible} --null $cpio_owner_root -H newc -o --quiet > "${DRACUT_TMPDIR}/initramfs.img"
); then
dfatal "dracut: creation of $outfile failed"
exit 1
fi
fi
if ! [[ $compress ]]; then
# check all known compressors, if none specified
for i in pigz gzip lz4 lzop zstd lzma xz lbzip2 bzip2 cat; do
command -v "$i" &>/dev/null || continue
compress="$i"
break
done
if [[ $compress = cat ]]; then
printf "%s\n" "dracut: no compression tool available. Initramfs image is going to be big." >&2
fi
fi
# choose the right arguments for the compressor
case $compress in
bzip2|lbzip2)
if [[ "$compress" = lbzip2 ]] || command -v lbzip2 &>/dev/null; then
compress="lbzip2 -9"
else
compress="bzip2 -9"
fi
;;
lzma)
compress="lzma -9 -T0"
;;
xz)
compress="xz --check=crc32 --lzma2=dict=1MiB -T0"
;;
gzip|pigz)
if [[ "$compress" = pigz ]] || command -v pigz &>/dev/null; then
compress="pigz -9 -n -T -R"
elif command -v gzip &>/dev/null && gzip --help 2>&1 | grep -q rsyncable; then
compress="gzip -n -9 --rsyncable"
else
compress="gzip -n -9"
fi
;;
lzo|lzop)
compress="lzop -9"
;;
lz4)
compress="lz4 -l -9"
;;
zstd)
compress="zstd -15 -q -T0"
;;
esac
if ! (
umask 077; cd "$initdir"
find . -print0 | sort -z \
| cpio ${CPIO_REPRODUCIBLE:+--reproducible} --null $cpio_owner_root -H newc -o --quiet \
| $compress >> "${DRACUT_TMPDIR}/initramfs.img"
); then
dfatal "dracut: creation of $outfile failed"
exit 1
fi
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
umask 077
if [[ $uefi = yes ]]; then
if [[ $kernel_cmdline ]]; then
echo -n "$kernel_cmdline" > "$uefi_outdir/cmdline.txt"
elif [[ $hostonly_cmdline = yes ]] && [ -d $initdir/etc/cmdline.d ];then
for conf in $initdir/etc/cmdline.d/*.conf ; do
[ -e "$conf" ] || continue
printf "%s " "$(< $conf)" >> "$uefi_outdir/cmdline.txt"
done
else
do_print_cmdline > "$uefi_outdir/cmdline.txt"
fi
echo -ne "\x00" >> "$uefi_outdir/cmdline.txt"
dinfo "Using UEFI kernel cmdline:"
dinfo $(< "$uefi_outdir/cmdline.txt")
[[ -s /usr/lib/os-release ]] && uefi_osrelease="/usr/lib/os-release"
[[ -s /etc/os-release ]] && uefi_osrelease="/etc/os-release"
if objcopy \
${uefi_osrelease:+--add-section .osrel=$uefi_osrelease --change-section-vma .osrel=0x20000} \
--add-section .cmdline="${uefi_outdir}/cmdline.txt" --change-section-vma .cmdline=0x30000 \
--add-section .linux="$kernel_image" --change-section-vma .linux=0x40000 \
--add-section .initrd="${DRACUT_TMPDIR}/initramfs.img" --change-section-vma .initrd=0x3000000 \
"$uefi_stub" "${uefi_outdir}/linux.efi" \
&& cp --reflink=auto "${uefi_outdir}/linux.efi" "$outfile"; then
dinfo "*** Creating UEFI image file '$outfile' done ***"
else
rm -f -- "$outfile"
dfatal "*** Creating UEFI image file '$outfile' failed ***"
exit 1
fi
else
if cp --reflink=auto "${DRACUT_TMPDIR}/initramfs.img" "$outfile"; then
dinfo "*** Creating initramfs image file '$outfile' done ***"
else
rm -f -- "$outfile"
dfatal "dracut: creation of $outfile failed"
exit 1
fi
fi
command -v restorecon &>/dev/null && restorecon -- "$outfile"
# We sync/fsfreeze only if we're operating on a live booted system.
# It's possible for e.g. `kernel` to be installed as an RPM BuildRequires or equivalent,
# and there's no reason to sync, and *definitely* no reason to fsfreeze.
# Another case where this happens is rpm-ostree, which performs its own sync/fsfreeze
# globally. See e.g. https://github.com/ostreedev/ostree/commit/8642ef5ab3fec3ac8eb8f193054852f83a8bc4d0
if test -d /run/systemd/system; then
if ! sync "$outfile" 2> /dev/null; then
dinfo "dracut: sync operation on newly created initramfs $outfile failed"
exit 1
fi
# use fsfreeze only if we're not writing to /
if [[ "$(stat -c %m -- "$outfile")" != "/" && "$(stat -f -c %T -- "$outfile")" != "msdos" ]]; then
if ! $(fsfreeze -f $(dirname "$outfile") 2>/dev/null && fsfreeze -u $(dirname "$outfile") 2>/dev/null); then
dinfo "dracut: warning: could not fsfreeze $(dirname "$outfile")"
fi
fi
fi
exit 0