| #!/bin/bash |
| # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
| # ex: ts=8 sw=4 sts=4 et filetype=sh |
| PATH=/sbin:/bin:/usr/sbin:/usr/bin |
| export PATH |
| |
| KERNEL_VER=${KERNEL_VER-$(uname -r)} |
| KERNEL_MODS="/lib/modules/$KERNEL_VER/" |
| |
| setup_basic_dirs() { |
| for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log dev proc sys sysroot root run run/lock run/initramfs; do |
| if [ -L "/$d" ]; then |
| inst_symlink "/$d" |
| else |
| inst_dir "/$d" |
| fi |
| done |
| |
| ln -sfn /run "$initdir/var/run" |
| ln -sfn /run/lock "$initdir/var/lock" |
| } |
| |
| inst_libs() { |
| local _bin=$1 |
| local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)' |
| local _file _line |
| |
| LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do |
| [[ $_line = 'not a dynamic executable' ]] && break |
| |
| if [[ $_line =~ $_so_regex ]]; then |
| _file=${BASH_REMATCH[1]} |
| [[ -e ${initdir}/$_file ]] && continue |
| inst_library "$_file" |
| continue |
| fi |
| |
| if [[ $_line =~ not\ found ]]; then |
| dfatal "Missing a shared library required by $_bin." |
| dfatal "Run \"ldd $_bin\" to find out what it is." |
| dfatal "$_line" |
| dfatal "dracut cannot create an initrd." |
| exit 1 |
| fi |
| done |
| } |
| |
| import_testdir() { |
| STATEFILE=".testdir" |
| [[ -e $STATEFILE ]] && . $STATEFILE |
| if [[ -z "$TESTDIR" ]] || [[ ! -d "$TESTDIR" ]]; then |
| TESTDIR=$(mktemp --tmpdir=/var/tmp -d -t systemd-test.XXXXXX) |
| echo "TESTDIR=\"$TESTDIR\"" > $STATEFILE |
| export TESTDIR |
| fi |
| } |
| |
| ## @brief Converts numeric logging level to the first letter of level name. |
| # |
| # @param lvl Numeric logging level in range from 1 to 6. |
| # @retval 1 if @a lvl is out of range. |
| # @retval 0 if @a lvl is correct. |
| # @result Echoes first letter of level name. |
| _lvl2char() { |
| case "$1" in |
| 1) echo F;; |
| 2) echo E;; |
| 3) echo W;; |
| 4) echo I;; |
| 5) echo D;; |
| 6) echo T;; |
| *) return 1;; |
| esac |
| } |
| |
| ## @brief Internal helper function for _do_dlog() |
| # |
| # @param lvl Numeric logging level. |
| # @param msg Message. |
| # @retval 0 It's always returned, even if logging failed. |
| # |
| # @note This function is not supposed to be called manually. Please use |
| # dtrace(), ddebug(), or others instead which wrap this one. |
| # |
| # This function calls _do_dlog() either with parameter msg, or if |
| # none is given, it will read standard input and will use every line as |
| # a message. |
| # |
| # This enables: |
| # dwarn "This is a warning" |
| # echo "This is a warning" | dwarn |
| LOG_LEVEL=4 |
| |
| dlog() { |
| [ -z "$LOG_LEVEL" ] && return 0 |
| [ $1 -le $LOG_LEVEL ] || return 0 |
| local lvl="$1"; shift |
| local lvlc=$(_lvl2char "$lvl") || return 0 |
| |
| if [ $# -ge 1 ]; then |
| echo "$lvlc: $*" |
| else |
| while read line; do |
| echo "$lvlc: " "$line" |
| done |
| fi |
| } |
| |
| ## @brief Logs message at TRACE level (6) |
| # |
| # @param msg Message. |
| # @retval 0 It's always returned, even if logging failed. |
| dtrace() { |
| set +x |
| dlog 6 "$@" |
| [ -n "$debug" ] && set -x || : |
| } |
| |
| ## @brief Logs message at DEBUG level (5) |
| # |
| # @param msg Message. |
| # @retval 0 It's always returned, even if logging failed. |
| ddebug() { |
| # set +x |
| dlog 5 "$@" |
| # [ -n "$debug" ] && set -x || : |
| } |
| |
| ## @brief Logs message at INFO level (4) |
| # |
| # @param msg Message. |
| # @retval 0 It's always returned, even if logging failed. |
| dinfo() { |
| set +x |
| dlog 4 "$@" |
| [ -n "$debug" ] && set -x || : |
| } |
| |
| ## @brief Logs message at WARN level (3) |
| # |
| # @param msg Message. |
| # @retval 0 It's always returned, even if logging failed. |
| dwarn() { |
| set +x |
| dlog 3 "$@" |
| [ -n "$debug" ] && set -x || : |
| } |
| |
| ## @brief Logs message at ERROR level (2) |
| # |
| # @param msg Message. |
| # @retval 0 It's always returned, even if logging failed. |
| derror() { |
| # set +x |
| dlog 2 "$@" |
| # [ -n "$debug" ] && set -x || : |
| } |
| |
| ## @brief Logs message at FATAL level (1) |
| # |
| # @param msg Message. |
| # @retval 0 It's always returned, even if logging failed. |
| dfatal() { |
| set +x |
| dlog 1 "$@" |
| [ -n "$debug" ] && set -x || : |
| } |
| |
| |
| # Generic substring function. If $2 is in $1, return 0. |
| strstr() { [ "${1#*$2*}" != "$1" ]; } |
| |
| # normalize_path <path> |
| # Prints the normalized path, where it removes any duplicated |
| # and trailing slashes. |
| # Example: |
| # $ normalize_path ///test/test// |
| # /test/test |
| normalize_path() { |
| shopt -q -s extglob |
| set -- "${1//+(\/)//}" |
| shopt -q -u extglob |
| echo "${1%/}" |
| } |
| |
| # convert_abs_rel <from> <to> |
| # Prints the relative path, when creating a symlink to <to> from <from>. |
| # Example: |
| # $ convert_abs_rel /usr/bin/test /bin/test-2 |
| # ../../bin/test-2 |
| # $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test |
| convert_abs_rel() { |
| local __current __absolute __abssize __cursize __newpath |
| local -i __i __level |
| |
| set -- "$(normalize_path "$1")" "$(normalize_path "$2")" |
| |
| # corner case #1 - self looping link |
| [[ "$1" == "$2" ]] && { echo "${1##*/}"; return; } |
| |
| # corner case #2 - own dir link |
| [[ "${1%/*}" == "$2" ]] && { echo "."; return; } |
| |
| IFS="/" __current=($1) |
| IFS="/" __absolute=($2) |
| |
| __abssize=${#__absolute[@]} |
| __cursize=${#__current[@]} |
| |
| while [[ ${__absolute[__level]} == ${__current[__level]} ]] |
| do |
| (( __level++ )) |
| if (( __level > __abssize || __level > __cursize )) |
| then |
| break |
| fi |
| done |
| |
| for ((__i = __level; __i < __cursize-1; __i++)) |
| do |
| if ((__i > __level)) |
| then |
| __newpath=$__newpath"/" |
| fi |
| __newpath=$__newpath".." |
| done |
| |
| for ((__i = __level; __i < __abssize; __i++)) |
| do |
| if [[ -n $__newpath ]] |
| then |
| __newpath=$__newpath"/" |
| fi |
| __newpath=$__newpath${__absolute[__i]} |
| done |
| |
| echo "$__newpath" |
| } |
| |
| |
| # Install a directory, keeping symlinks as on the original system. |
| # Example: if /lib points to /lib64 on the host, "inst_dir /lib/file" |
| # will create ${initdir}/lib64, ${initdir}/lib64/file, |
| # and a symlink ${initdir}/lib -> lib64. |
| inst_dir() { |
| [[ -e ${initdir}/"$1" ]] && return 0 # already there |
| |
| local _dir="$1" _part="${1%/*}" _file |
| while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do |
| _dir="$_part $_dir" |
| _part=${_part%/*} |
| done |
| |
| # iterate over parent directories |
| for _file in $_dir; do |
| [[ -e "${initdir}/$_file" ]] && continue |
| if [[ -L $_file ]]; then |
| inst_symlink "$_file" |
| else |
| # create directory |
| mkdir -m 0755 -p "${initdir}/$_file" || return 1 |
| [[ -e "$_file" ]] && chmod --reference="$_file" "${initdir}/$_file" |
| chmod u+w "${initdir}/$_file" |
| fi |
| done |
| } |
| |
| # $1 = file to copy to ramdisk |
| # $2 (optional) Name for the file on the ramdisk |
| # Location of the image dir is assumed to be $initdir |
| # We never overwrite the target if it exists. |
| inst_simple() { |
| [[ -f "$1" ]] || return 1 |
| strstr "$1" "/" || return 1 |
| |
| local _src=$1 target="${2:-$1}" |
| if ! [[ -d ${initdir}/$target ]]; then |
| [[ -e ${initdir}/$target ]] && return 0 |
| [[ -L ${initdir}/$target ]] && return 0 |
| [[ -d "${initdir}/${target%/*}" ]] || inst_dir "${target%/*}" |
| fi |
| # install checksum files also |
| if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then |
| inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac" |
| fi |
| ddebug "Installing $_src" |
| cp --sparse=always -pfL "$_src" "${initdir}/$target" |
| } |
| |
| # find symlinks linked to given library file |
| # $1 = library file |
| # Function searches for symlinks by stripping version numbers appended to |
| # library filename, checks if it points to the same target and finally |
| # prints the list of symlinks to stdout. |
| # |
| # Example: |
| # rev_lib_symlinks libfoo.so.8.1 |
| # output: libfoo.so.8 libfoo.so |
| # (Only if libfoo.so.8 and libfoo.so exists on host system.) |
| rev_lib_symlinks() { |
| [[ ! $1 ]] && return 0 |
| |
| local fn="$1" orig="$(readlink -f "$1")" links='' |
| |
| [[ ${fn} =~ .*\.so\..* ]] || return 1 |
| |
| until [[ ${fn##*.} == so ]]; do |
| fn="${fn%.*}" |
| [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}" |
| done |
| |
| echo "${links}" |
| } |
| |
| # Same as above, but specialized to handle dynamic libraries. |
| # It handles making symlinks according to how the original library |
| # is referenced. |
| inst_library() { |
| local _src="$1" _dest=${2:-$1} _lib _reallib _symlink |
| strstr "$1" "/" || return 1 |
| [[ -e $initdir/$_dest ]] && return 0 |
| if [[ -L $_src ]]; then |
| # install checksum files also |
| if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then |
| inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac" |
| fi |
| _reallib=$(readlink -f "$_src") |
| inst_simple "$_reallib" "$_reallib" |
| inst_dir "${_dest%/*}" |
| [[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/} |
| ln -sfn $(convert_abs_rel "${_dest}" "${_reallib}") "${initdir}/${_dest}" |
| else |
| inst_simple "$_src" "$_dest" |
| fi |
| |
| # Create additional symlinks. See rev_symlinks description. |
| for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do |
| [[ ! -e $initdir/$_symlink ]] && { |
| ddebug "Creating extra symlink: $_symlink" |
| inst_symlink $_symlink |
| } |
| done |
| } |
| |
| # find a binary. If we were not passed the full path directly, |
| # search in the usual places to find the binary. |
| find_binary() { |
| if [[ -z ${1##/*} ]]; then |
| if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; }; then |
| echo $1 |
| return 0 |
| fi |
| fi |
| |
| type -P $1 |
| } |
| |
| # Same as above, but specialized to install binary executables. |
| # Install binary executable, and all shared library dependencies, if any. |
| inst_binary() { |
| local _bin _target |
| _bin=$(find_binary "$1") || return 1 |
| _target=${2:-$_bin} |
| [[ -e $initdir/$_target ]] && return 0 |
| [[ -L $_bin ]] && inst_symlink $_bin $_target && return 0 |
| local _file _line |
| local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)' |
| # I love bash! |
| LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do |
| [[ $_line = 'not a dynamic executable' ]] && break |
| |
| if [[ $_line =~ $_so_regex ]]; then |
| _file=${BASH_REMATCH[1]} |
| [[ -e ${initdir}/$_file ]] && continue |
| inst_library "$_file" |
| continue |
| fi |
| |
| if [[ $_line =~ not\ found ]]; then |
| dfatal "Missing a shared library required by $_bin." |
| dfatal "Run \"ldd $_bin\" to find out what it is." |
| dfatal "$_line" |
| dfatal "dracut cannot create an initrd." |
| exit 1 |
| fi |
| done |
| inst_simple "$_bin" "$_target" |
| } |
| |
| # same as above, except for shell scripts. |
| # If your shell script does not start with shebang, it is not a shell script. |
| inst_script() { |
| local _bin |
| _bin=$(find_binary "$1") || return 1 |
| shift |
| local _line _shebang_regex |
| read -r -n 80 _line <"$_bin" |
| # If debug is set, clean unprintable chars to prevent messing up the term |
| [[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]') |
| _shebang_regex='(#! *)(/[^ ]+).*' |
| [[ $_line =~ $_shebang_regex ]] || return 1 |
| inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@" |
| } |
| |
| # same as above, but specialized for symlinks |
| inst_symlink() { |
| local _src=$1 _target=${2:-$1} _realsrc |
| strstr "$1" "/" || return 1 |
| [[ -L $1 ]] || return 1 |
| [[ -L $initdir/$_target ]] && return 0 |
| _realsrc=$(readlink -f "$_src") |
| if ! [[ -e $initdir/$_realsrc ]]; then |
| if [[ -d $_realsrc ]]; then |
| inst_dir "$_realsrc" |
| else |
| inst "$_realsrc" |
| fi |
| fi |
| [[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}" |
| [[ -d ${_target%/*} ]] && _target=$(readlink -f ${_target%/*})/${_target##*/} |
| ln -sfn $(convert_abs_rel "${_target}" "${_realsrc}") "$initdir/$_target" |
| } |
| |
| # attempt to install any programs specified in a udev rule |
| inst_rule_programs() { |
| local _prog _bin |
| |
| if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then |
| for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\1/'); do |
| if [ -x /lib/udev/$_prog ]; then |
| _bin=/lib/udev/$_prog |
| else |
| _bin=$(find_binary "$_prog") || { |
| dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found" |
| continue; |
| } |
| fi |
| |
| #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)" |
| dracut_install "$_bin" |
| done |
| fi |
| } |
| |
| # udev rules always get installed in the same place, so |
| # create a function to install them to make life simpler. |
| inst_rules() { |
| local _target=/etc/udev/rules.d _rule _found |
| |
| inst_dir "/lib/udev/rules.d" |
| inst_dir "$_target" |
| for _rule in "$@"; do |
| if [ "${rule#/}" = "$rule" ]; then |
| for r in /lib/udev/rules.d /etc/udev/rules.d; do |
| if [[ -f $r/$_rule ]]; then |
| _found="$r/$_rule" |
| inst_simple "$_found" |
| inst_rule_programs "$_found" |
| fi |
| done |
| fi |
| for r in '' ./ $dracutbasedir/rules.d/; do |
| if [[ -f ${r}$_rule ]]; then |
| _found="${r}$_rule" |
| inst_simple "$_found" "$_target/${_found##*/}" |
| inst_rule_programs "$_found" |
| fi |
| done |
| [[ $_found ]] || dinfo "Skipping udev rule: $_rule" |
| done |
| } |
| |
| # general purpose installation function |
| # Same args as above. |
| inst() { |
| local _x |
| |
| case $# in |
| 1) ;; |
| 2) [[ ! $initdir && -d $2 ]] && export initdir=$2 |
| [[ $initdir = $2 ]] && set $1;; |
| 3) [[ -z $initdir ]] && export initdir=$2 |
| set $1 $3;; |
| *) dfatal "inst only takes 1 or 2 or 3 arguments" |
| exit 1;; |
| esac |
| for _x in inst_symlink inst_script inst_binary inst_simple; do |
| $_x "$@" && return 0 |
| done |
| return 1 |
| } |
| |
| # install any of listed files |
| # |
| # If first argument is '-d' and second some destination path, first accessible |
| # source is installed into this path, otherwise it will installed in the same |
| # path as source. If none of listed files was installed, function return 1. |
| # On first successful installation it returns with 0 status. |
| # |
| # Example: |
| # |
| # inst_any -d /bin/foo /bin/bar /bin/baz |
| # |
| # Lets assume that /bin/baz exists, so it will be installed as /bin/foo in |
| # initramfs. |
| inst_any() { |
| local to f |
| |
| [[ $1 = '-d' ]] && to="$2" && shift 2 |
| |
| for f in "$@"; do |
| if [[ -e $f ]]; then |
| [[ $to ]] && inst "$f" "$to" && return 0 |
| inst "$f" && return 0 |
| fi |
| done |
| |
| return 1 |
| } |
| |
| # dracut_install [-o ] <file> [<file> ... ] |
| # Install <file> to the initramfs image |
| # -o optionally install the <file> and don't fail, if it is not there |
| dracut_install() { |
| local _optional=no |
| if [[ $1 = '-o' ]]; then |
| _optional=yes |
| shift |
| fi |
| while (($# > 0)); do |
| if ! inst "$1" ; then |
| if [[ $_optional = yes ]]; then |
| dinfo "Skipping program $1 as it cannot be found and is" \ |
| "flagged to be optional" |
| else |
| dfatal "Failed to install $1" |
| exit 1 |
| fi |
| fi |
| shift |
| done |
| } |
| |
| # Install a single kernel module along with any firmware it may require. |
| # $1 = full path to kernel module to install |
| install_kmod_with_fw() { |
| # no need to go further if the module is already installed |
| |
| [[ -e "${initdir}/lib/modules/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" ]] \ |
| && return 0 |
| |
| [[ -e "$initdir/.kernelmodseen/${1##*/}" ]] && return 0 |
| |
| if [[ $omit_drivers ]]; then |
| local _kmod=${1##*/} |
| _kmod=${_kmod%.ko} |
| _kmod=${_kmod/-/_} |
| if [[ "$_kmod" =~ $omit_drivers ]]; then |
| dinfo "Omitting driver $_kmod" |
| return 1 |
| fi |
| if [[ "${1##*/lib/modules/$KERNEL_VER/}" =~ $omit_drivers ]]; then |
| dinfo "Omitting driver $_kmod" |
| return 1 |
| fi |
| fi |
| |
| [ -d "$initdir/.kernelmodseen" ] && \ |
| > "$initdir/.kernelmodseen/${1##*/}" |
| |
| inst_simple "$1" "/lib/modules/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" \ |
| || return $? |
| |
| local _modname=${1##*/} _fwdir _found _fw |
| _modname=${_modname%.ko*} |
| for _fw in $(modinfo -k $KERNEL_VER -F firmware $1 2>/dev/null); do |
| _found='' |
| for _fwdir in $fw_dir; do |
| if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then |
| inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw" |
| _found=yes |
| fi |
| done |
| if [[ $_found != yes ]]; then |
| if ! grep -qe "\<${_modname//-/_}\>" /proc/modules; then |
| dinfo "Possible missing firmware \"${_fw}\" for kernel module" \ |
| "\"${_modname}.ko\"" |
| else |
| dwarn "Possible missing firmware \"${_fw}\" for kernel module" \ |
| "\"${_modname}.ko\"" |
| fi |
| fi |
| done |
| return 0 |
| } |
| |
| # Do something with all the dependencies of a kernel module. |
| # Note that kernel modules depend on themselves using the technique we use |
| # $1 = function to call for each dependency we find |
| # It will be passed the full path to the found kernel module |
| # $2 = module to get dependencies for |
| # rest of args = arguments to modprobe |
| # _fderr specifies FD passed from surrounding scope |
| for_each_kmod_dep() { |
| local _func=$1 _kmod=$2 _cmd _modpath _options _found=0 |
| shift 2 |
| modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | ( |
| while read _cmd _modpath _options; do |
| [[ $_cmd = insmod ]] || continue |
| $_func ${_modpath} || exit $? |
| _found=1 |
| done |
| [[ $_found -eq 0 ]] && exit 1 |
| exit 0 |
| ) |
| } |
| |
| # filter kernel modules to install certain modules that meet specific |
| # requirements. |
| # $1 = search only in subdirectory of /kernel/$1 |
| # $2 = function to call with module name to filter. |
| # This function will be passed the full path to the module to test. |
| # The behaviour of this function can vary depending on whether $hostonly is set. |
| # If it is, we will only look at modules that are already in memory. |
| # If it is not, we will look at all kernel modules |
| # This function returns the full filenames of modules that match $1 |
| filter_kernel_modules_by_path () ( |
| local _modname _filtercmd |
| if ! [[ $hostonly ]]; then |
| _filtercmd='find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra"' |
| _filtercmd+=' "$KERNEL_MODS/weak-updates" -name "*.ko" -o -name "*.ko.gz"' |
| _filtercmd+=' -o -name "*.ko.xz"' |
| _filtercmd+=' 2>/dev/null' |
| else |
| _filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename ' |
| _filtercmd+='-k $KERNEL_VER 2>/dev/null' |
| fi |
| for _modname in $(eval $_filtercmd); do |
| case $_modname in |
| *.ko) "$2" "$_modname" && echo "$_modname";; |
| *.ko.gz) gzip -dc "$_modname" > $initdir/$$.ko |
| $2 $initdir/$$.ko && echo "$_modname" |
| rm -f $initdir/$$.ko |
| ;; |
| *.ko.xz) xz -dc "$_modname" > $initdir/$$.ko |
| $2 $initdir/$$.ko && echo "$_modname" |
| rm -f $initdir/$$.ko |
| ;; |
| esac |
| done |
| ) |
| find_kernel_modules_by_path () ( |
| if ! [[ $hostonly ]]; then |
| find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra" "$KERNEL_MODS/weak-updates" \ |
| -name "*.ko" -o -name "*.ko.gz" -o -name "*.ko.xz" 2>/dev/null |
| else |
| cut -d " " -f 1 </proc/modules \ |
| | xargs modinfo -F filename -k $KERNEL_VER 2>/dev/null |
| fi |
| ) |
| |
| filter_kernel_modules () { |
| filter_kernel_modules_by_path drivers "$1" |
| } |
| |
| find_kernel_modules () { |
| find_kernel_modules_by_path drivers |
| } |
| |
| # instmods [-c] <kernel module> [<kernel module> ... ] |
| # instmods [-c] <kernel subsystem> |
| # install kernel modules along with all their dependencies. |
| # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage" |
| instmods() { |
| [[ $no_kernel = yes ]] && return |
| # called [sub]functions inherit _fderr |
| local _fderr=9 |
| local _check=no |
| if [[ $1 = '-c' ]]; then |
| _check=yes |
| shift |
| fi |
| |
| function inst1mod() { |
| local _ret=0 _mod="$1" |
| case $_mod in |
| =*) |
| if [ -f $KERNEL_MODS/modules.${_mod#=} ]; then |
| ( [[ "$_mpargs" ]] && echo $_mpargs |
| cat "${KERNEL_MODS}/modules.${_mod#=}" ) \ |
| | instmods |
| else |
| ( [[ "$_mpargs" ]] && echo $_mpargs |
| find "$KERNEL_MODS" -path "*/${_mod#=}/*" -printf '%f\n' ) \ |
| | instmods |
| fi |
| ;; |
| --*) _mpargs+=" $_mod" ;; |
| i2o_scsi) return ;; # Do not load this diagnostic-only module |
| *) |
| _mod=${_mod##*/} |
| # if we are already installed, skip this module and go on |
| # to the next one. |
| [[ -f "$initdir/.kernelmodseen/${_mod%.ko}.ko" ]] && return |
| |
| if [[ $omit_drivers ]] && [[ "$1" =~ $omit_drivers ]]; then |
| dinfo "Omitting driver ${_mod##$KERNEL_MODS}" |
| return |
| fi |
| # If we are building a host-specific initramfs and this |
| # module is not already loaded, move on to the next one. |
| [[ $hostonly ]] && ! grep -qe "\<${_mod//-/_}\>" /proc/modules \ |
| && ! echo $add_drivers | grep -qe "\<${_mod}\>" \ |
| && return |
| |
| # We use '-d' option in modprobe only if modules prefix path |
| # differs from default '/'. This allows us to use Dracut with |
| # old version of modprobe which doesn't have '-d' option. |
| local _moddirname=${KERNEL_MODS%%/lib/modules/*} |
| [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/" |
| |
| # ok, load the module, all its dependencies, and any firmware |
| # it may require |
| for_each_kmod_dep install_kmod_with_fw $_mod \ |
| --set-version $KERNEL_VER ${_moddirname} $_mpargs |
| ((_ret+=$?)) |
| ;; |
| esac |
| return $_ret |
| } |
| |
| function instmods_1() { |
| local _mod _mpargs |
| if (($# == 0)); then # filenames from stdin |
| while read _mod; do |
| inst1mod "${_mod%.ko*}" || { |
| if [ "$_check" = "yes" ]; then |
| dfatal "Failed to install $_mod" |
| return 1 |
| fi |
| } |
| done |
| fi |
| while (($# > 0)); do # filenames as arguments |
| inst1mod ${1%.ko*} || { |
| if [ "$_check" = "yes" ]; then |
| dfatal "Failed to install $1" |
| return 1 |
| fi |
| } |
| shift |
| done |
| return 0 |
| } |
| |
| local _ret _filter_not_found='FATAL: Module .* not found.' |
| set -o pipefail |
| # Capture all stderr from modprobe to _fderr. We could use {var}>... |
| # redirections, but that would make dracut require bash4 at least. |
| eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \ |
| | while read line; do [[ "$line" =~ $_filter_not_found ]] && echo $line || echo $line >&2 ;done | derror |
| _ret=$? |
| set +o pipefail |
| return $_ret |
| } |
| |
| # inst_libdir_file [-n <pattern>] <file> [<file>...] |
| # Install a <file> located on a lib directory to the initramfs image |
| # -n <pattern> install non-matching files |
| inst_libdir_file() { |
| if [[ "$1" == "-n" ]]; then |
| local _pattern=$1 |
| shift 2 |
| for _dir in $libdirs; do |
| for _i in "$@"; do |
| for _f in "$_dir"/$_i; do |
| [[ "$_i" =~ $_pattern ]] || continue |
| [[ -e "$_i" ]] && dracut_install "$_i" |
| done |
| done |
| done |
| else |
| for _dir in $libdirs; do |
| for _i in "$@"; do |
| for _f in "$_dir"/$_i; do |
| [[ -e "$_f" ]] && dracut_install "$_f" |
| done |
| done |
| done |
| fi |
| } |
| |
| check_qemu() { |
| command -v qemu-kvm &>/dev/null && [[ -c /dev/kvm ]] |
| } |
| |
| check_nspawn() { |
| [[ -d /sys/fs/cgroup/systemd ]] |
| } |
| |
| |
| do_test() { |
| if [[ $UID != "0" ]]; then |
| echo "TEST: $TEST_DESCRIPTION [SKIPPED]: not root" >&2 |
| exit 0 |
| fi |
| |
| # Detect lib paths |
| [[ $libdir ]] || for libdir in /lib64 /lib; do |
| [[ -d $libdir ]] && libdirs+=" $libdir" && break |
| done |
| |
| [[ $usrlibdir ]] || for usrlibdir in /usr/lib64 /usr/lib; do |
| [[ -d $usrlibdir ]] && libdirs+=" $usrlibdir" && break |
| done |
| |
| import_testdir |
| |
| while (($# > 0)); do |
| case $1 in |
| --run) |
| echo "TEST RUN: $TEST_DESCRIPTION" |
| test_run |
| ret=$? |
| if [ $ret -eq 0 ]; then |
| echo "TEST RUN: $TEST_DESCRIPTION [OK]" |
| else |
| echo "TEST RUN: $TEST_DESCRIPTION [FAILED]" |
| fi |
| exit $ret;; |
| --setup) |
| echo "TEST SETUP: $TEST_DESCRIPTION" |
| test_setup |
| exit $?;; |
| --clean) |
| echo "TEST CLEANUP: $TEST_DESCRIPTION" |
| test_cleanup |
| rm -fr "$TESTDIR" |
| rm -f .testdir |
| exit $?;; |
| --all) |
| echo -n "TEST: $TEST_DESCRIPTION "; |
| ( |
| test_setup && test_run |
| ret=$? |
| test_cleanup |
| rm -fr "$TESTDIR" |
| rm -f .testdir |
| exit $ret |
| ) </dev/null >test.log 2>&1 |
| ret=$? |
| if [ $ret -eq 0 ]; then |
| rm test.log |
| echo "[OK]" |
| else |
| echo "[FAILED]" |
| echo "see $(pwd)/test.log" |
| fi |
| exit $ret;; |
| *) break ;; |
| esac |
| shift |
| done |
| } |