Harald Hoyer
16 years ago
3 changed files with 686 additions and 0 deletions
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|
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#!/bin/bash --norc |
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# |
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# |
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# Copyright 2005-2008 Red Hat, Inc. All rights reserved. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# |
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# code taken from mkinitrd |
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# |
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#. /usr/libexec/initrd-functions |
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function error() { |
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local NONL="" |
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if [ "$1" == "-n" ]; then |
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NONL="-n" |
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shift |
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fi |
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echo $NONL "$@" >&2 |
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} |
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|
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function vecho() { |
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return |
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local NONL="" |
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if [ "$1" == "-n" ]; then |
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NONL="-n" |
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shift |
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fi |
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is_verbose && echo $NONL "$@" |
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} |
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# module dep finding and installation functions |
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moduledep() { |
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MPARGS="" |
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if [ "$1" == "--ignore-install" ]; then |
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MPARGS="$MPARGS --ignore-install" |
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shift |
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fi |
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vecho -n "Looking for deps of module $1" |
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deps="" |
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deps=$(modprobe $MPARGS --set-version $kernel --show-depends $1 2>/dev/null| awk '/^insmod / { print gensub(".*/","","g",$2) }' | while read foo ; do [ "${foo%%.ko}" != "$1" ] && echo -n "${foo%%.ko} " ; done) |
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[ -n "$deps" ] && vecho ": $deps" || vecho |
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} |
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if [ $UID != 0 ]; then |
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error "$0 must be run as root." |
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exit 1 |
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fi |
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export MALLOC_PERTURB_=204 |
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PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH |
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export PATH |
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. /etc/rc.d/init.d/functions |
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# Set the umask. For iscsi, the initrd can contain plaintext |
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# password (chap secret), so only allow read by owner. |
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umask 077 |
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VERSION=6.0.87 |
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PROBE="yes" |
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MODULES="" |
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GRAPHICSMODS="" |
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PREMODS="" |
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DMRAIDS="" |
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ncryptodevs=0 |
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ncryptoparts=0 |
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ncryptolvs=0 |
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ncryptoraids=0 |
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root="" |
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scsi_wait_scan="no" |
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|
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NET_LIST="" |
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LD_SO_CONF=/etc/ld.so.conf |
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LD_SO_CONF_D=/etc/ld.so.conf.d/ |
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[ -e /etc/sysconfig/mkinitrd ] && . /etc/sysconfig/mkinitrd |
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CONFMODS="$MODULES" |
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MODULES="" |
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ARCH=$(uname -m | sed -e 's/s390x/s390/') |
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compress=1 |
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allowmissing="" |
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target="" |
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kernel="" |
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force="" |
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img_vers="" |
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builtins="" |
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modulefile=/etc/modules.conf |
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[ "$ARCH" != "s390" ] && withusb=1 |
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rc=0 |
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nolvm="" |
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nodmraid="" |
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IMAGESIZE=8000 |
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PRESCSIMODS="" |
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fstab="/etc/fstab" |
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vg_list="" |
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net_list="$NET_LIST" |
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usage () { |
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if [ "$1" == "-n" ]; then |
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cmd=echo |
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else |
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cmd=error |
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fi |
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|
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$cmd "usage: `basename $0` [--version] [--help] [-v] [-f]" |
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if [ "$1" == "-n" ]; then |
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exit 0 |
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else |
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exit 1 |
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fi |
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} |
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qpushd() { |
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pushd "$1" >/dev/null 2>&1 |
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} |
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qpopd() { |
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popd >/dev/null 2>&1 |
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} |
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resolve_device_name() { |
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echo "$1" |
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# echo "resolve_device_name $1" 1>&2 |
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} |
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readlink() { |
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/usr/bin/readlink -f "$1" |
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} |
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|
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finddevnoinsys() { |
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majmin="$1" |
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if [ -n "$majmin" ]; then |
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dev=$(for x in /sys/block/* ; do find $x/ -name dev ; done | while read device ; do \ |
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echo "$majmin" | cmp -s $device && echo $device ; done) |
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if [ -n "$dev" ]; then |
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dev=${dev%%/dev} |
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dev=${dev%%/} |
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echo "$dev" |
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return 0 |
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fi |
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fi |
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return 1 |
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} |
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|
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finddevicedriverinsys () { |
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if is_iscsi $PWD; then |
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handleiscsi "$PWD" |
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return |
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fi |
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while [ "$PWD" != "/sys/devices" ]; do |
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deps= |
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if [ -f modalias ]; then |
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MODALIAS=$(cat modalias) |
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if [ "${MODALIAS::7}" == "scsi:t-" ]; then |
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scsi_wait_scan=yes |
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fi |
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moduledep $MODALIAS |
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unset MODALIAS |
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fi |
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cd .. |
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done |
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} |
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findstoragedriverinsys () { |
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local sysfs=$(readlink "$1") |
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# if its a partition look at the device holding the partition |
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if [ -f "$sysfs/start" ]; then |
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sysfs=$(readlink ${sysfs%/*}) |
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fi |
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if [[ ! "$sysfs" =~ '^/sys/.*block/.*$' ]]; then |
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#error "WARNING: $sysfs is a not a block sysfs path, skipping" |
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return |
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fi |
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case " $handleddevices " in |
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*" $sysfs "*) |
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return ;; |
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*) handleddevices="$handleddevices $sysfs" ;; |
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esac |
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if [[ "$sysfs" =~ '^/sys/.*block/md[0-9]+$' ]]; then |
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local raid=${sysfs##*/} |
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vecho "Found MDRAID component $raid" |
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handleraid $raid |
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fi |
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if [[ "$sysfs" =~ '^/sys/.*block/dm-[0-9]+$' ]]; then |
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vecho "Found DeviceMapper component ${sysfs##*/}" |
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handledm $(cat $sysfs/dev |cut -d : -f 1) $(cat $sysfs/dev |cut -d : -f 2) |
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fi |
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for slave in $(ls -d "$sysfs"/slaves/* 2>/dev/null) ; do |
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findstoragedriverinsys "$slave" |
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done |
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if [ -L "$sysfs/device" ]; then |
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qpushd $(readlink "$sysfs/device") |
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finddevicedriverinsys |
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qpopd |
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fi |
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} |
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findstoragedriver () { |
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local device="$1" |
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if [ ! -b "$device" ]; then |
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#error "WARNING: $device is a not a block device, skipping" |
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return |
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fi |
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local majmin=$(get_numeric_dev dec "$device") |
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local sysfs=$(finddevnoinsys "$majmin") |
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if [ -z "$sysfs" ]; then |
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#error "WARNING: $device major:minor $majmin not found, skipping" |
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return |
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fi |
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vecho "Looking for driver for $device in $sysfs" |
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findstoragedriverinsys "$sysfs" |
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} |
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iscsi_get_rec_val() { |
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# The open-iscsi 742 release changed to using flat files in |
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# /var/lib/iscsi. |
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result=$(grep "^${2} = " "$1" | sed -e s'/.* = //') |
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} |
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iscsi_set_parameters() { |
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path=$1 |
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vecho setting iscsi parameters |
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tmpfile=$(mktemp) |
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# Check once before getting explicit values, so we can output a decent |
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# error message. |
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/sbin/iscsiadm --show -m session -r $path > $tmpfile |
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if [ ! -s $tmpfile ]; then |
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echo Unable to find iscsi record for $path |
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exit 1 |
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fi |
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nit_name=$(grep "^InitiatorName=" /etc/iscsi/initiatorname.iscsi | \ |
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sed -e "s/^InitiatorName=//") |
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iscsi_get_rec_val $tmpfile "node.name" |
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tgt_name=${result} |
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iscsi_get_rec_val $tmpfile "node.tpgt" |
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tpgt=${result} |
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# iscsistart wants node.conn[0].address / port |
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iscsi_get_rec_val $tmpfile 'node.conn\[0\].address' |
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tgt_ipaddr=${result} |
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iscsi_get_rec_val $tmpfile 'node.conn\[0\].port' |
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tgt_port=${result} |
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# Note: we get chap secrets (passwords) in plaintext, and also store |
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# them in the initrd. |
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iscsi_get_rec_val $tmpfile "node.session.auth.username" |
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chap=${result} |
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if [ -n "${chap}" -a "${chap}" != "<empty>" ]; then |
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chap="-u ${chap}" |
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iscsi_get_rec_val $tmpfile "node.session.auth.password" |
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chap_pw="-w ${result}" |
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else |
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chap="" |
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fi |
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iscsi_get_rec_val $tmpfile "node.session.auth.username_in" |
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chap_in=${result} |
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if [ -n "${chap_in}" -a "${chap_in}" != "<empty>" ]; then |
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chap_in="-U ${chap_in}" |
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iscsi_get_rec_val $tmpfile "node.session.auth.password_in" |
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chap_in_pw="-W ${result}" |
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else |
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chap_in="" |
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fi |
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rm $tmpfile |
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} |
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emit_iscsi () { |
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if [ -n "${iscsi_devs}" ]; then |
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for dev in ${iscsi_devs}; do |
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iscsi_set_parameters $dev |
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# recid is not really used, just use 0 for it |
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echo "/bin/iscsistart -t ${tgt_name} -i ${nit_name} \ |
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-g ${tpgt} -a ${tgt_ipaddr} ${chap} ${chap_pw} \ |
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${chap_in} ${chap_in_pw}" |
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done |
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fi |
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} |
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is_iscsi() { |
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path=$1 |
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if echo $path | grep -q "/platform/host[0-9]*/session[0-9]*/target[0-9]*:[0-9]*:[0-9]*/[0-9]*:[0-9]*:[0-9]*:[0-9]*"; then |
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return 0 |
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else |
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return 1 |
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fi |
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} |
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handledm() { |
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major=$1 |
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minor=$2 |
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while read dmstart dmend dmtype r0 r1 r2 r3 r4 r5 r6 r7 r8 r9 ; do |
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case "$dmtype" in |
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crypt) |
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# this device is encrypted; find the slave device and see |
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# whether the encryption is LUKS; if not, bail. |
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slavedev=$(finddevnoinsys $r3) |
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# get the basename, then s,!,/, in case it's a cciss device |
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slavedev=$(echo ${slavedev##*/} | tr '!' '/') |
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cryptsetup isLuks "/dev/$slavedev" 2>/dev/null || continue |
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find_base_dm_mods |
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dmname=$(dmsetup info -j $major -m $minor -c --noheadings -o name) |
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# do the device resolution dance to get /dev/mapper/foo |
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# since 'lvm lvs' doesn't like dm-X device nodes |
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if [[ "$slavedev" =~ ^dm- ]]; then |
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majmin=$(get_numeric_dev dec "/dev/$slavedev") |
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for dmdev in /dev/mapper/* ; do |
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dmnum=$(get_numeric_dev dev $dmdev) |
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if [ $dmnum = $majmin ]; then |
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slavedev=${dmdev#/dev/} |
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break |
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fi |
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done |
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fi |
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|
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# determine if $slavedev is an LV |
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# if so, add the device to latecryptodevs |
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# if not, add the device to cryptodevs |
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local vg=$(lvshow /dev/$slavedev) |
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if [ -n "$vg" ]; then |
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eval cryptolv${ncryptolvs}='"'/dev/$slavedev $dmname'"' |
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let ncryptolvs++ |
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elif grep -q "^$slavedev :" /proc/mdstat ; then |
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eval cryptoraid${ncryptoraids}='"'/dev/$slavedev $dmname'"' |
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let ncryptoraids++ |
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else |
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eval cryptoparts${ncryptoparts}='"'/dev/$slavedev $dmname'"' |
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let ncryptoparts++ |
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fi |
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|
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let ncryptodevs++ |
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findstoragedriver "/dev/$slavedev" |
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;; |
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esac |
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done << EOF |
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$(dmsetup table -j $major -m $minor 2>/dev/null) |
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EOF |
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local name=$(dmsetup info --noheadings -c -j $major -m $minor -o name) |
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local vg=$(lvshow "/dev/mapper/$name") |
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local raids=$(/sbin/dmraid -s -craidname 2>/dev/null | grep -vi "no raid disks") |
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if [ -n "$vg" ]; then |
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vg=`echo $vg` # strip whitespace |
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case " $vg_list " in |
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*" $vg "*) ;; |
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*) vg_list="$vg_list $vg" |
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[ -z "$nolvm" ] && find_base_dm_mods |
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;; |
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esac |
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fi |
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for raid in $raids ; do |
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if [ "$raid" == "$name" ]; then |
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case " $DMRAIDS " in |
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*" $raid "*) ;; |
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*) DMRAIDS="$DMRAIDS $raid" |
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[ -z "$nodmraid" ] && find_base_dm_mods |
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;; |
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esac |
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break |
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fi |
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done |
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} |
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|
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handleiscsi() { |
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vecho "Found iscsi component $1" |
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|
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# We call iscsi_set_parameters once here to figure out what network to |
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# use (it sets tgt_ipaddr), and once again to emit iscsi values, |
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# not very efficient. |
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iscsi_set_parameters $1 |
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iscsi_devs="$iscsi_devs $1" |
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netdev=$(/sbin/ip route get to $tgt_ipaddr | \ |
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sed 's|.*dev \(.*\).*|\1|g' | awk '{ print $1; exit }') |
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addnetdev $netdev |
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} |
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|
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handleraid() { |
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local start=0 |
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|
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if [ -n "$noraid" -o ! -f /proc/mdstat ]; then |
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return 0 |
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fi |
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|
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levels=$(awk "/^$1[ ]*:/ { print\$4 }" /proc/mdstat) |
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|
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for level in $levels ; do |
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case $level in |
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linear) |
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start=1 |
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;; |
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multipath) |
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start=1 |
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;; |
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raid[01] | raid10) |
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start=1 |
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;; |
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raid[456]) |
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start=1 |
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;; |
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*) |
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error "raid level $level (in /proc/mdstat) not recognized" |
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;; |
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esac |
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done |
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if [ "$start" = 1 ]; then |
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raiddevices="$raiddevices $1" |
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fi |
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return $start |
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} |
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|
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lvshow() { |
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lvm lvs --ignorelockingfailure --noheadings -o vg_name \ |
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$1 2>/dev/null | egrep -v '^ *(WARNING:|Volume Groups with)' |
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} |
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|
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vgdisplay() { |
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lvm vgdisplay --ignorelockingfailure -v $1 2>/dev/null | |
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sed -n 's/PV Name//p' |
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} |
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|
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dmmods_found="n" |
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find_base_dm_mods() |
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{ |
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[ "$dmmods_found" == "n" ] || return |
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dmmods_found="y" |
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} |
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|
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savedargs=$* |
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while [ $# -gt 0 ]; do |
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case $1 in |
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--fstab*) |
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if [ "$1" != "${1##--fstab=}" ]; then |
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fstab=${1##--fstab=} |
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else |
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fstab=$2 |
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shift |
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fi |
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;; |
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|
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|
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-v|--verbose) |
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set_verbose true |
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;; |
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--net-dev*) |
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if [ "$1" != "${1##--net-dev=}" ]; then |
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net_list="$net_list ${1##--net-dev=}" |
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else |
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net_list="$net_list $2" |
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shift |
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fi |
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;; |
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--rootdev*) |
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if [ "$1" != "${1##--rootdev=}" ]; then |
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rootdev="${1##--rootdev=}" |
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else |
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rootdev="$2" |
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shift |
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fi |
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;; |
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--thawdev*) |
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if [ "$1" != "${1##--thawdev=}" ]; then |
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thawdev="${1##--thawdev=}" |
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else |
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thawdev="$2" |
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shift |
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fi |
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;; |
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--rootfs*) |
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if [ "$1" != "${1##--rootfs=}" ]; then |
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rootfs="${1##--rootfs=}" |
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else |
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rootfs="$2" |
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shift |
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fi |
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;; |
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--rootopts*) |
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if [ "$1" != "${1##--rootopts=}" ]; then |
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rootopts="${1##--rootopts=}" |
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else |
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rootopts="$2" |
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shift |
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fi |
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;; |
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--root*) |
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if [ "$1" != "${1##--root=}" ]; then |
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root="${1##--root=}" |
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else |
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root="$2" |
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shift |
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fi |
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;; |
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--loopdev*) |
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if [ "$1" != "${1##--loopdev=}" ]; then |
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loopdev="${1##--loopdev=}" |
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else |
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loopdev="$2" |
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shift |
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fi |
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;; |
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--loopfs*) |
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if [ "$1" != "${1##--loopfs=}" ]; then |
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loopfs="${1##--loopfs=}" |
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else |
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loopfs="$2" |
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shift |
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fi |
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;; |
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--loopopts*) |
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if [ "$1" != "${1##--loopopts=}" ]; then |
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loopopts="${1##--loopopts=}" |
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else |
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loopopts="$2" |
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shift |
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fi |
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;; |
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--looppath*) |
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if [ "$1" != "${1##--looppath=}" ]; then |
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looppath="${1##--looppath=}" |
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else |
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looppath="$2" |
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shift |
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fi |
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;; |
||||
--help) |
||||
usage -n |
||||
;; |
||||
*) |
||||
if [ -z "$target" ]; then |
||||
target=$1 |
||||
elif [ -z "$kernel" ]; then |
||||
kernel=$1 |
||||
else |
||||
usage |
||||
fi |
||||
;; |
||||
esac |
||||
|
||||
shift |
||||
done |
||||
|
||||
[ -z "$rootfs" ] && rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' $fstab) |
||||
[ -z "$rootopts" ] && rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' $fstab) |
||||
[ -z "$rootopts" ] && rootopts="defaults" |
||||
|
||||
|
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[ -z "$rootdev" ] && rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' $fstab) |
||||
# check if it's nfsroot |
||||
physdev="" |
||||
if [ "$rootfs" == "nfs" ]; then |
||||
if [ "x$net_list" == "x" ]; then |
||||
handlenfs $rootdev |
||||
fi |
||||
else |
||||
# check if it's root by label |
||||
rdev=$rootdev |
||||
if [[ "$rdev" =~ ^(UUID=|LABEL=) ]]; then |
||||
rdev=$(resolve_device_name "$rdev") |
||||
fi |
||||
rootopts=$(echo $rootopts | sed -e 's/^r[ow],//' -e 's/,_netdev//' -e 's/_netdev//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') |
||||
findstoragedriver "$rdev" |
||||
fi |
||||
|
||||
# find the first swap dev which would get used for swsusp |
||||
[ -z "$thawdev" ] && thawdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; exit }}' $fstab) |
||||
swsuspdev="$thawdev" |
||||
if [ -n "$swsuspdev" ]; then |
||||
if [[ "$swsuspdev" =~ ^(UUID=|LABEL=) ]]; then |
||||
swsuspdev=$(resolve_device_name "$swsuspdev") |
||||
fi |
||||
findstoragedriver "$swsuspdev" |
||||
fi |
||||
|
||||
|
||||
cemit() |
||||
{ |
||||
cat |
||||
} |
||||
|
||||
emit() |
||||
{ |
||||
NONL="" |
||||
if [ "$1" == "-n" ]; then |
||||
NONL="-n" |
||||
shift |
||||
fi |
||||
echo $NONL "$@" |
||||
} |
||||
|
||||
emitdmraids() |
||||
{ |
||||
if [ -z "$nodmraid" -a -n "$DMRAIDS" ]; then |
||||
for raid in $DMRAIDS; do |
||||
echo -n "rd_DM_UUID=$raid " |
||||
done |
||||
fi |
||||
} |
||||
|
||||
|
||||
# HACK: module loading + device creation isn't necessarily synchronous... |
||||
# this will make sure that we have all of our devices before trying |
||||
# things like RAID or LVM |
||||
emitdmraids |
||||
|
||||
emitcrypto() |
||||
{ |
||||
local luksuuid=$(grep "^$2 " /etc/crypttab 2>/dev/null| awk '{ print $2 }') |
||||
if [ -z "$luksuuid" ]; then |
||||
luksuuid="$2" |
||||
fi |
||||
echo -n "rd_LUKS_UUID=$luksuuid " |
||||
} |
||||
|
||||
for cryptdev in ${!cryptopart@} ; do |
||||
emitcrypto `eval echo '$'$cryptdev` |
||||
done |
||||
|
||||
if [ -n "$raiddevices" ]; then |
||||
for dev in $raiddevices; do |
||||
echo -n "rd_MD_UUID=${dev} " |
||||
done |
||||
fi |
||||
|
||||
for cryptdev in ${!cryptoraid@} ; do |
||||
emitcrypto `eval echo '$'$cryptdev` |
||||
done |
||||
|
||||
if [ -z "$nolvm" -a -n "$vg_list" ]; then |
||||
for vg in $vg_list; do |
||||
echo -n "rd_LVM_VG=$vg " |
||||
done |
||||
fi |
||||
|
||||
for cryptdev in ${!cryptolv@} ; do |
||||
emitcrypto `eval echo '$'$cryptdev` |
||||
done |
||||
|
||||
# output local keyboard/18n settings |
||||
. /etc/sysconfig/keyboard |
||||
. /etc/sysconfig/i18n |
||||
|
||||
for i in KEYBOARDTYPE KEYTABLE SYSFONT SYSFONTACM UNIMAP LANG; do |
||||
val=$(eval echo \$$i) |
||||
[[ $val ]] && echo -n "$i=$val " |
||||
done |
||||
|
||||
echo |
||||
# vim:ts=8:sw=4:sts=4:et |
||||
Loading…
Reference in new issue