You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
391 lines
13 KiB
391 lines
13 KiB
#!/bin/bash --norc |
|
# |
|
# mkinitrd compability wrapper for SUSE. |
|
# |
|
# Copyright (c) 2013 SUSE Linux Products GmbH. 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/>. |
|
# |
|
|
|
boot_dir="/boot" |
|
quiet=0 |
|
logfile=/var/log/YaST2/mkinitrd.log |
|
dracut_cmd=dracut |
|
|
|
error() { echo "$@" >&2; } |
|
|
|
usage () { |
|
[[ $1 = '-n' ]] && cmd=echo || cmd=error |
|
|
|
$cmd "usage: ${0##*/} [options]" |
|
$cmd "" |
|
$cmd " Create initial ramdisk images that contain all kernel modules needed" |
|
$cmd " in the early boot process, before the root file system becomes" |
|
$cmd " available." |
|
$cmd " This usually includes SCSI and/or RAID modules, a file system module" |
|
$cmd " for the root file system, or a network interface driver module for dhcp." |
|
$cmd "" |
|
$cmd " options:" |
|
$cmd " -f \"feature list\" Features to be enabled when generating initrd." |
|
$cmd " Available features are:" |
|
$cmd " iscsi, md, multipath, lvm, lvm2," |
|
$cmd " ifup, fcoe, dcbd" |
|
$cmd " -k \"kernel list\" List of kernel images for which initrd files are" |
|
$cmd " created. Defaults to all kernels found in /boot." |
|
$cmd " -i \"initrd list\" List of file names for the initrd; position have" |
|
$cmd " match to \"kernel list\". Defaults to all kernels" |
|
$cmd " found in /boot." |
|
$cmd " -b boot_dir Boot directory. Defaults to /boot." |
|
$cmd " -t tmp_dir Temporary directory. Defaults to /var/tmp." |
|
$cmd " -M map System.map file to use." |
|
$cmd " -A Create a so called \"monster initrd\" which" |
|
$cmd " includes all features and modules possible." |
|
$cmd " -B Do not update bootloader configuration." |
|
$cmd " -v Verbose mode." |
|
$cmd " -L Disable logging." |
|
$cmd " -h This help screen." |
|
$cmd " -m \"module list\" Modules to include in initrd. Defaults to the" |
|
$cmd " INITRD_MODULES variable in /etc/sysconfig/kernel" |
|
$cmd " -u \"DomU module list\" Modules to include in initrd. Defaults to the" |
|
$cmd " DOMU_INITRD_MODULES variable in" |
|
$cmd " /etc/sysconfig/kernel." |
|
$cmd " -d root_device Root device. Defaults to the device from" |
|
$cmd " which / is mounted. Overrides the rootdev" |
|
$cmd " enviroment variable if set." |
|
$cmd " -j device Journal device" |
|
$cmd " -D interface Run dhcp on the specified interface." |
|
$cmd " -I interface Configure the specified interface statically." |
|
$cmd " -a acpi_dsdt Obsolete, do not use." |
|
$cmd " -s size Add splash animation and bootscreen to initrd." |
|
|
|
[[ $1 = '-n' ]] && exit 0 |
|
exit 1 |
|
} |
|
|
|
# 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 |
|
param="$1" |
|
local rematch='^[^=]*=(.*)$' result |
|
if [[ $2 =~ $rematch ]]; then |
|
read "$param" <<< "${BASH_REMATCH[1]}" |
|
else |
|
for ((i=3; $i <= $#; i++)); do |
|
# Only read next arg if it not an arg itself. |
|
if [[ ${@:$i:1} = -* ]];then |
|
break |
|
fi |
|
result="$result ${@:$i:1}" |
|
# There is no way to shift our callers args, so |
|
# return "no of args" to indicate they should do it instead. |
|
done |
|
read "$1" <<< "$result" |
|
return $(($i - 3)) |
|
fi |
|
} |
|
|
|
# Helper functions to calculate ipconfig command line |
|
calc_netmask() { |
|
local prefix=$1 |
|
|
|
[ -z "$prefix" ] && return |
|
mask=$(echo "(2 ^ 32) - (2 ^ $prefix)" | bc -l) |
|
byte1=$(( mask >> 24 )) |
|
byte2=$(( mask >> 16 )) |
|
byte3=$(( mask >> 8 )) |
|
byte4=$(( mask & 0xff )) |
|
netmask=$(printf "%d.%d.%d.%d" $(( byte1 & 0xff )) $(( byte2 & 0xff )) $(( byte3 & 0xff )) $byte4); |
|
|
|
echo $netmask |
|
} |
|
|
|
ipconfig() { |
|
local interface=$1 |
|
local iplink macaddr broadcast gateway ipaddr prefix netmask |
|
|
|
iplink=$(ip addr show dev $interface | sed -n 's/ *inet \(.*\) brd.*/\1/p') |
|
macaddr=$(ip addr show dev $interface | sed -n 's/.*ether \(.*\) brd.*/\1/p') |
|
broadcast=$(ip addr show dev $interface | sed -n 's/.*brd \(.*\) scope.*/\1/p') |
|
gateway=$(ip route show dev $interface | sed -n 's/default via \([0-9\.]*\).*/\1/p') |
|
|
|
ipaddr=${iplink%%/*} |
|
prefix=${iplink##*/} |
|
netmask=$(calc_netmask $prefix) |
|
|
|
echo "${ipaddr}:${serveraddr}:${gateway}:${netmask}:${hostname}:${interface}:none::${macaddr}" |
|
} |
|
|
|
is_xen_kernel() { |
|
local kversion=$1 |
|
local root_dir=$2 |
|
local cfg |
|
|
|
for cfg in ${root_dir}/boot/config-$kversion $root_dir/lib/modules/$kversion/build/.config |
|
do |
|
test -r $cfg || continue |
|
grep -q "^CONFIG_XEN=y\$" $cfg |
|
return |
|
done |
|
test $kversion != "${kversion%-xen*}" |
|
return |
|
} |
|
|
|
# kernel_image_gz_from_image() and kernel_version_from_image() are helpers |
|
# for arm* kernels which produce zImage files which cannot be read from |
|
# get_kernel_version -> get rid of this workaround if possible |
|
kernel_image_gz_from_image() { |
|
local arch=$(uname -i) |
|
local r=${1}.gz |
|
|
|
# uImage kernels can't be extracted directly. Use the vmlinux.gz instead |
|
r=${r//uImage/vmlinux} |
|
|
|
# on ARM a zImage can't be extracted directly. Other platforms define it |
|
# as a gzipped vmlinux file, but not ARM. So only on ARM, use vmlinux.gz. |
|
if [[ $arch =~ arm ]] || [[ $arch =~ aarch ]]; then |
|
r=${r//zImage/vmlinux} |
|
fi |
|
|
|
echo $r |
|
} |
|
|
|
kernel_version_from_image() { |
|
local kernel_image="$1" kernel_image_gz=$(kernel_image_gz_from_image "$1") |
|
|
|
if get_kernel_version "$kernel_image" 2>/dev/null; then |
|
return |
|
fi |
|
get_kernel_version "$kernel_image_gz" 2>/dev/null |
|
} |
|
|
|
# Taken over from SUSE mkinitrd |
|
default_kernel_images() { |
|
local regex kernel_image kernel_version version_version initrd_image |
|
local qf='%{NAME}-%{VERSION}-%{RELEASE}\n' |
|
|
|
case "$(uname -m)" in |
|
s390|s390x) |
|
regex='image' |
|
;; |
|
ppc|ppc64) |
|
regex='vmlinux' |
|
;; |
|
i386|x86_64) |
|
regex='vmlinuz' |
|
;; |
|
arm*) |
|
regex='[uz]Image' |
|
;; |
|
aarch64) |
|
regex='Image' |
|
;; |
|
*) regex='vmlinu.' |
|
;; |
|
esac |
|
|
|
kernel_images="" |
|
initrd_images="" |
|
for kernel_image in $(ls $boot_dir \ |
|
| sed -ne "\|^$regex\(-[0-9.]\+-[0-9]\+-[a-z0-9]\+$\)\?|p" \ |
|
| grep -v kdump$ ) ; do |
|
|
|
# Note that we cannot check the RPM database here -- this |
|
# script is itself called from within the binary kernel |
|
# packages, and rpm does not allow recursive calls. |
|
|
|
[ -L "$boot_dir/$kernel_image" ] && continue |
|
[ "${kernel_image%%.gz}" != "$kernel_image" ] && continue |
|
|
|
kernel_version=$(kernel_version_from_image \ |
|
$boot_dir/$kernel_image 2> /dev/null) |
|
initrd_image=$(echo $kernel_image | sed -e "s|${regex}|initrd|") |
|
if [ "$kernel_image" != "$initrd_image" -a \ |
|
-n "$kernel_version" -a \ |
|
-d "/lib/modules/$kernel_version" ]; then |
|
kernel_images="$kernel_images $boot_dir/$kernel_image" |
|
initrd_images="$initrd_images $boot_dir/$initrd_image" |
|
fi |
|
done |
|
for kernel_image in $kernel_images;do |
|
kernels="$kernels ${kernel_image#*-}" |
|
done |
|
for initrd_image in $initrd_images;do |
|
targets="$targets $initrd_image" |
|
done |
|
} |
|
|
|
while (($# > 0)); do |
|
case ${1%%=*} in |
|
-f) read_arg feature_list "$@" || shift $? |
|
# Could be several features |
|
;; |
|
-k) # Would be nice to get a list of images here |
|
read_arg kernel_images "$@" || shift $? |
|
for kernel_image in $kernel_images;do |
|
kernels="$kernels ${kernel_image#*-}" |
|
done |
|
;; |
|
-i) read_arg initrd_images "$@" || shift $? |
|
for initrd_image in $initrd_images;do |
|
# Check if the initrd_image contains a path. |
|
# if not, then add the default boot_dir |
|
dname=`dirname $initrd_image` |
|
if [ "$dname" == "." ]; then |
|
targets="$targets $boot_dir/$initrd_image"; |
|
else |
|
targets="$targets $initrd_image"; |
|
fi |
|
done |
|
;; |
|
-b) read_arg boot_dir "$@" || shift $? |
|
if [ ! -d $boot_dir ];then |
|
error "Boot directory $boot_dir does not exist" |
|
exit 1 |
|
fi |
|
;; |
|
-t) read_arg tmp_dir "$@" || shift $? |
|
dracut_args="${dracut_args} --tmpdir $tmp_dir" |
|
;; |
|
-M) read_arg map_file "$@" || shift $? |
|
;; |
|
-A) host_only=0;; |
|
-B) skip_update_bootloader=1;; |
|
-v|--verbose) dracut_args="${dracut_args} -v";; |
|
-L) logfile=;; |
|
-h|--help) usage -n;; |
|
-m) read_arg module_list "$@" || shift $? ;; |
|
-u) read_arg domu_module_list "$@" || shift $? |
|
echo "mkinitrd: DomU modules not yet supported" ;; |
|
-d) read_arg rootfs "$@" || shift $? |
|
dracut_args="${dracut_args} --filesystems $rootfs" ;; |
|
-D) read_arg dhcp_if "$@" || shift $? |
|
dracut_cmdline="${dracut_cmdline} ip=${dhcp_if}:dhcp" |
|
;; |
|
-I) read_arg static_if "$@" || shift $? |
|
dracut_cmdline="${dracut_cmdline} ip=$(ipconfig $static_if)": |
|
;; |
|
-a) read_arg acpi_dsdt "$@" || shift $? |
|
echo "Obsolete -a param, use acpi_table_dir= and acpi_override= variables in /etc/dracut.conf.d/" |
|
exit 1 |
|
;; |
|
-s) read_arg boot_splash "$@" || shift $? |
|
echo "mkinitrd: boot splash not yet supported" |
|
exit 1 |
|
;; |
|
-V) echo "mkinitrd: vendor scipts are no longer supported" |
|
exit 1;; |
|
--dracut) |
|
read_arg dracut_cmd "$@" || shift $? ;; |
|
--version|-R) |
|
echo "mkinitrd: dracut compatibility wrapper" |
|
exit 0;; |
|
--quiet|-q) quiet=1;; |
|
*) if [[ ! $targets ]]; then |
|
targets=$1 |
|
elif [[ ! $kernels ]]; then |
|
kernels=$1 |
|
else |
|
usage |
|
fi;; |
|
esac |
|
shift |
|
done |
|
|
|
[[ $targets && $kernels ]] || default_kernel_images |
|
if [[ ! $targets || ! $kernels ]];then |
|
error "No kernel found in $boot_dir or bad modules dir in /lib/modules" |
|
exit 1 |
|
fi |
|
|
|
# We can have several targets/kernels, transform the list to an array |
|
targets=( $targets ) |
|
[[ $kernels ]] && kernels=( $kernels ) |
|
|
|
[[ $logfile ]] && dracut_args="${dracut_args} --logfile $logfile" |
|
dracut_args="${dracut_args} --force" |
|
|
|
[[ $dracut_cmdline ]] && dracut_args="${dracut_args} --kernel-cmdline ${dracut_cmdline}" |
|
[ -z "$(type -p update-bootloader)" ] && skip_update_bootloader=1 |
|
|
|
# Update defaults from /etc/sysconfig/kernel |
|
if [ -f /etc/sysconfig/kernel ] ; then |
|
. /etc/sysconfig/kernel |
|
fi |
|
[[ $module_list ]] || module_list="${INITRD_MODULES}" |
|
[[ $domu_module_list ]] || domu_module_list="${DOMU_INITRD_MODULES}" |
|
shopt -s extglob |
|
|
|
failed="" |
|
|
|
for ((i=0 ; $i<${#targets[@]} ; i++)); do |
|
|
|
if [[ $img_vers ]];then |
|
target="${targets[$i]}-${kernels[$i]}" |
|
else |
|
target="${targets[$i]}" |
|
fi |
|
kernel="${kernels[$i]}" |
|
|
|
if is_xen_kernel $kernel $rootfs ; then |
|
modules_all="${module_list} ${domu_module_list}" |
|
else |
|
modules_all="${module_list}" |
|
fi |
|
|
|
# Remove leading and trailing spaces needs (set above): shopt -s extglob |
|
modules_all=${modules_all%%+([[:space:]])} |
|
modules_all=${modules_all##+([[:space:]])} |
|
|
|
echo "Creating initrd: $target" |
|
|
|
# Duplicate code: No way found how to redirect output based on $quiet |
|
if [[ $quiet == 1 ]];then |
|
# Duplicate code: --force-drivers must not be called with empty string |
|
# -> dracut bug workarounded ugly, because of complex whitespace |
|
# expansion magics |
|
if [ -n "${modules_all}" ];then |
|
$dracut_cmd $dracut_args --force-drivers "${modules_all}" "$target" "$kernel" &>/dev/null |
|
[ $? -ne 0 ] && failed="$failed $target" |
|
else |
|
$dracut_cmd $dracut_args "$target" "$kernel" &>/dev/null |
|
[ $? -ne 0 ] && failed="$failed $target" |
|
fi |
|
else |
|
if [ -n "${modules_all}" ];then |
|
$dracut_cmd $dracut_args --force-drivers "${modules_all}" "$target" "$kernel" |
|
[ $? -ne 0 ] && failed="$failed $target" |
|
else |
|
$dracut_cmd $dracut_args "$target" "$kernel" |
|
[ $? -ne 0 ] && failed="$failed $target" |
|
fi |
|
fi |
|
done |
|
|
|
if [ "$skip_update_bootloader" ] ; then |
|
echo 2>&1 "Did not refresh the bootloader. You might need to refresh it manually." |
|
else |
|
update-bootloader --refresh |
|
[ $? -ne 0 ] && echo "Updating bootloader failed" && exit 1 |
|
fi |
|
|
|
if [ "$failed" != "" ]; then |
|
echo "Generating $failed targets failed" |
|
exit 1 |
|
fi |
|
|
|
exit 0
|
|
|