1225 lines
33 KiB
Bash
1225 lines
33 KiB
Bash
#!/bin/bash --norc
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# vim:sts=4:sw=4:ts=8:et
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# mkinitrd
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#
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# Copyright 2005 Red Hat, Inc.
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#
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# Written by Erik Troan <ewt@redhat.com>
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#
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# Contributors:
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# Elliot Lee <sopwith@cuc.edu>
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# Miguel de Icaza <miguel@nuclecu.unam.mx>
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# Christian 'Dr. Disk' Hechelmann <drdisk@ds9.au.s.shuttle.de>
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# Michael K. Johnson <johnsonm@redhat.com>
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# Pierre Habraken <Pierre.Habraken@ujf-grenoble.fr>
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# Jakub Jelinek <jakub@redhat.com>
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# Carlo Arenas Belon (carenas@chasqui.lared.net.pe>
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# Keith Owens <kaos@ocs.com.au>
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# Bernhard Rosenkraenzer <bero@redhat.com>
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# Matt Wilson <msw@redhat.com>
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# Trond Eivind Glomsrød <teg@redhat.com>
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# Jeremy Katz <katzj@redhat.com>
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# Preston Brown <pbrown@redhat.com>
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# Bill Nottingham <notting@redhat.com>
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# Guillaume Cottenceau <gc@mandrakesoft.com>
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# Peter Jones <pjones@redhat.com>
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umask 0022
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export MALLOC_PERTURB_=204
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PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
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export PATH
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. /etc/rc.d/init.d/functions
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VERSION=5.0.39
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PROBE="yes"
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MODULES=""
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PREMODS=""
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DMRAIDS=""
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MPATHS=""
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[ -e /etc/sysconfig/mkinitrd ] && . /etc/sysconfig/mkinitrd
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CONFMODS="$MODULES"
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MODULES=""
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withusb=yes
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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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verbose=""
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img_vers=""
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builtins=""
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modulefile=/etc/modules.conf
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rc=0
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IMAGESIZE=8000
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PRESCSIMODS="sd_mod"
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fstab="/etc/fstab"
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vg_list=""
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net_list=""
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vecho()
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{
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NONL=""
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if [ "$1" == "-n" ]; then
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NONL="-n"
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shift
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fi
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[ -n "$verbose" ] && echo $NONL "$@"
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}
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error()
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{
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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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usage () {
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if [ "$1" == "-n" ]; then
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cmd=echo
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else
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cmd=error
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fi
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$cmd "usage: `basename $0` [--version] [--help] [-v] [-d] [-f] [--preload <module>]"
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$cmd " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]"
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$cmd " [--image-version] [--force-scsi-probe | --omit-raid-modules]"
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$cmd " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]"
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$cmd " [--builtin=<module>] [--omit-dmraid]"
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$cmd " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>"
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$cmd ""
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$cmd " (ex: `basename $0` /boot/initrd-2.2.5-15.img 2.2.5-15)"
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if [ "$1" == "-n" ]; then
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exit 0
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else
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exit 1
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fi
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}
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moduledep() {
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if [ ! -f "/lib/modules/$kernel/modules.dep" ]; then
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error "No dep file found for kernel $kernel"
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exit 1
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fi
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vecho -n "Looking for deps of module $1"
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deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \
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function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \
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function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \
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/^\/lib/ { show(); \
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orig=modname($1); dep=""; \
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if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \
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/^ / { dep=sprintf("%s %s", dep, modname($1)); } \
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END { show(); exit(rc) }' /lib/modules/$kernel/modules.dep $1)
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[ -n "$deps" ] && vecho ":$deps" || vecho
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}
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findone() {
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echo nash-find "$@" | /sbin/nash --force --quiet \
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| /bin/awk '{ print $1; exit; }'
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}
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findall() {
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echo nash-find "$@" | /sbin/nash --force --quiet
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}
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dm_get_uuid() {
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echo dm get_uuid "$1" | /sbin/nash --force --quiet
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}
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findmodule() {
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skiperrors=""
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if [ $1 == "--skiperrors" ]; then
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skiperrors=--skiperrors
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shift
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fi
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local modName=$1
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if [ "$modName" = "off" -o "$modName" = "null" ]; then
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return
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fi
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if [ $(echo $modName | cut -b1) = "-" ]; then
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skiperrors=--skiperrors
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modName=$(echo $modName | cut -b2-)
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fi
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case "$MODULES " in
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*"/$modName.ko "*) return ;;
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esac
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if echo $builtins | egrep -q '(^| )'$modName'( |$)' ; then
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vecho "module $modName assumed to be built in"
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return
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fi
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# special cases
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if [ "$modName" = "i2o_block" ]; then
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findmodule i2o_core
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findmodule -i2o_pci
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modName="i2o_block"
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elif [ "$modName" = "ppa" ]; then
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findmodule parport
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findmodule parport_pc
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modName="ppa"
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elif [ "$modName" = "sbp2" ]; then
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findmodule ieee1394
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findmodule ohci1394
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modName="sbp2"
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else
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moduledep $modName
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for i in $deps; do
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findmodule $i
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done
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fi
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for modExt in o.gz o ko ; do
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for modDir in /lib/modules/$kernel/updates /lib/modules/$kernel ; do
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if [ -d $modDir ]; then
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fmPath=$(findone $modDir -name $modName.$modExt)
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if [ -f "$fmPath" ]; then
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break 2
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fi
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fi
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done
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done
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if [ ! -f $fmPath ]; then
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if [ -n "$skiperrors" ]; then
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return
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fi
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# ignore the absence of the scsi modules
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for n in $PRESCSIMODS; do
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if [ "$n" = "$modName" ]; then
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return;
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fi
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done;
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if [ -n "$allowmissing" ]; then
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error "WARNING: No module $modName found for kernel $kernel, continuing anyway"
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return
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fi
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error "No module $modName found for kernel $kernel, aborting."
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exit 1
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fi
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# only need to add each module once
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MODULES="$MODULES $fmPath"
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# need to handle prescsimods here -- they need to go _after_ scsi_mod
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if [ "$modName" = "scsi_mod" ]; then
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for n in $PRESCSIMODS ; do
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findmodule $n
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done
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fi
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}
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finddmmods() {
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line=$(/sbin/dmsetup table "$1" 2>/dev/null)
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[ -z "$line" ] && return 1
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type=$(echo "$line" | awk '{ print $3 }')
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[ -z "$type" ] && return 1
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case "$type" in
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mirror)
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findmodule -dm-mirror
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;;
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emc)
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findmodule -dm-emc
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findmodule -dm-round-robin
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;;
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multipath)
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findmodule -dm-multipath
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findmodule -dm-round-robin
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;;
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crypt)
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findmodule -dm-crypt
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;;
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zero)
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findmodule -dm-zero
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;;
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esac
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}
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inst() {
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if [ "$#" != "2" ];then
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echo "usage: inst <file> <destination>"
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return
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fi
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vecho "$1 -> $2"
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cp $1 $2
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}
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readlink() {
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echo nash-readlink "$1" | /sbin/nash --force --quiet
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}
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access() {
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echo nash-access -w $t | /sbin/nash --force --quiet
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}
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findstoragedriverinsys () {
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while [ ! -L device ]; do
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[ "$PWD" = "/sys" ] && return
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cd ..
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done
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cd $(readlink ./device)
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while [ ! -f modalias ]; do
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[ "$PWD" = "/sys/devices" ] && return
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cd ..
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done
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modalias=$(cat modalias)
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for driver in $(modprobe --set-version $kernel --show-depends $modalias 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') ; do
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findmodule ${driver%%.ko}
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done
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}
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findstoragedriver () {
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for device in $@ ; do
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case " $handleddevices " in
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*" $device "*)
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continue ;;
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*) handleddevices="$handleddevices $device" ;;
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esac
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if [[ "$device" =~ "md[0-9]+" ]]; then
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vecho "Found RAID component $device"
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handleraid "$device"
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continue
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fi
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vecho "Looking for driver for device $device"
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sysfs=$(findone -type d /sys/block -name $device)
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[ -z "$sysfs" ] && return
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pushd $sysfs >/dev/null 2>&1
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findstoragedriverinsys
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popd >/dev/null 2>&1
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done
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}
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findnetdriver() {
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for device in $@ ; do
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case " $handleddevices " in
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*" $device "*)
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continue ;;
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*) handleddevices="$handleddevices $device" ;;
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esac
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modalias=$(cat /sys/class/net/$device/device/modalias)
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for driver in $(modprobe --set-version $kernel --show-depends $modalias 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') ; do
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findmodule ${driver%%.ko}
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done
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done
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}
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handleraid() {
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local start=0
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if [ -n "$noraid" -o ! -f /proc/mdstat ]; then
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return 0
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fi
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levels=$(grep "^$1[ ]*:" /proc/mdstat | \
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awk '{ print $4 }')
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devs=$(grep "^$1[ ]*:" /proc/mdstat | \
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awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }')
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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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findmodule linear
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start=1
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;;
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multipath)
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findmodule multipath
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start=1
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;;
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raid[01456] | raid10)
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findmodule $level
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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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findstoragedriver $devs
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if [ "$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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handlelvordev() {
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local vg=`lvs --noheadings -o vg_name $1 2>/dev/null`
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if [ -n "$vg" ]; then
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vg=`echo $vg` # strip whitespace
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case " $vg_list " in
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*" $vg "*)
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;;
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*)
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vg_list="$vg_list $vg"
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for device in `vgdisplay -v $vg 2>/dev/null | sed -n 's/PV Name//p'`; do
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findstoragedriver ${device##/dev/}
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done
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;;
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esac
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else
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findstoragedriver ${1##/dev/}
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fi
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}
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handlenetdev() {
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local dev=$1
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source /etc/sysconfig/network
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if [ ! -f /etc/sysconfig/network-scripts/ifcfg-$dev ]; then
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error "unable to find network device configuration for $dev"
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fi
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source /etc/sysconfig/network-scripts/ifcfg-$dev
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[ -n "$BOOTPROTO" ] || error "bootproto not specified for $dev"
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findnetdriver $dev
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[ -n "$IPADDR" ] && IPSTR="$IPSTR --ip $IPADDR"
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[ -n "$NETMASK" ] && IPSTR="$IPSTR --netmask $NETMASK"
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[ -n "$GATEWAY" ] && IPSTR="$IPSTR --gateway $GATEWAY"
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[ -n "$ETHTOOL_OPTS" ] && IPSTR="$IPSTR --ethtool \"$ETHTOOL_OPTS\""
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[ -n "$MTU" ] && IPSTR="$IPSTR --mtu $MTU"
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if [ -n "$IPADDR" ]; then
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[ -z "$DOMAIN" ] && DOMAIN=$(awk '/^search / { print gensub("^search ","",1) }' /etc/resolv.conf)
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if [ -z "$DNS1" ]; then
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DNS1=$(awk '/^nameserver / { ORS="" ; if (x > 0) print "," ; printf "%s", $2 ; x = 1}' /etc/resolv.conf)
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fi
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fi
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[ -n "$DOMAIN" ] && IPSTR="$IPSTR --domain \"$DOMAIN\""
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if [ -n "$DNS1" ]; then
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if [ -n "$DNS2" ]; then
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IPSTR="$IPSTR --dns $DNS1,$DNS2"
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else
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IPSTR="$IPSTR --dns $DNS1"
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fi
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fi
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#when kdump boots the netdevice name might be different. this
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#lets us override the name we normally think it is
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if [ -n "$KDUMP_IFC" ]; then
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dev=$KDUMP_IFC
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fi
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network="network --device $dev --bootproto $BOOTPROTO $IPSTR"
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}
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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 echo $1 | grep -q '=' ; then
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fstab=`echo $1 | sed 's/^--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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--with-usb)
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withusb=yes
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;;
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--without-usb)
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withusb=no
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;;
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--with*)
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if echo $1 | grep -q '=' ; then
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modname=`echo $1 | sed 's/^--with=//'`
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else
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modname=$2
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shift
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fi
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basicmodules="$basicmodules $modname"
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;;
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--builtin*)
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if echo $1 | grep -q '=' ; then
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modname=`echo $1 | sed 's/^--builtin=//'`
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else
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modname=$2
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shift
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fi
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builtins="$builtins $modname"
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;;
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--version)
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echo "mkinitrd: version $VERSION"
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exit 0
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;;
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-v)
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verbose=-v
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;;
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--nocompress)
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compress=""
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;;
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--ifneeded)
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# legacy
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;;
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-f)
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force=1
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;;
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-d)
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KDUMP_CONFIG_FILE=""
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if [ -f /etc/kdump.conf ]; then
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KDUMP_CONFIG_FILE="/etc/kdump.conf"
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fi
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;;
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--preload*)
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if echo $1 | grep -q '=' ; then
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modname=`echo $1 | sed 's/^--preload=//'`
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else
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modname=$2
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shift
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fi
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PREMODS="$PREMODS $modname"
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;;
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--force-scsi-probe)
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forcescsi=1
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;;
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--omit-scsi-modules)
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PRESCSIMODS=""
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noscsi=1
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;;
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--force-raid-probe)
|
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forceraid=1
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;;
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|
--omit-raid-modules)
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noraid=1
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;;
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|
--force-lvm-probe)
|
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forcelvm=1
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;;
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|
--omit-lvm-modules)
|
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nolvm=1
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;;
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|
--omit-dmraid)
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nodmraid=1
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;;
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--force-ide-probe)
|
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forceide=1
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;;
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--image-version)
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img_vers=yes
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;;
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--allow-missing)
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allowmissing=yes
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;;
|
|
--noresume)
|
|
noresume=1
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;;
|
|
--help)
|
|
usage -n
|
|
;;
|
|
*)
|
|
if [ -z "$target" ]; then
|
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target=$1
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elif [ -z "$kernel" ]; then
|
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kernel=$1
|
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else
|
|
usage
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|
fi
|
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;;
|
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esac
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|
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shift
|
|
done
|
|
|
|
if [ -z "$target" -o -z "$kernel" ]; then
|
|
usage
|
|
fi
|
|
|
|
if [ -n "$img_vers" ]; then
|
|
target="$target-$kernel"
|
|
fi
|
|
|
|
if [ -z "$force" -a -f $target ]; then
|
|
error "$target already exists."
|
|
exit 1
|
|
fi
|
|
|
|
if [ -n "$forcescsi" -a -n "$noscsi" ]; then
|
|
error "Can't both force scsi probe and omit scsi modules"
|
|
exit 1
|
|
fi
|
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|
|
if [ -n "$forceraid" -a -n "$noraid" ]; then
|
|
error "Can't both force raid probe and omit raid modules"
|
|
exit 1
|
|
fi
|
|
|
|
if [ -n "$forcelvm" -a -n "$nolvm" ]; then
|
|
error "Can't both force LVM probe and omit LVM modules"
|
|
exit 1
|
|
fi
|
|
|
|
if [ ! -d /lib/modules/$kernel ]; then
|
|
error 'No modules available for kernel "'${kernel}'".'
|
|
exit 1
|
|
fi
|
|
|
|
if [ $UID != 0 ]; then
|
|
error "mkinitrd must be run as root."
|
|
exit 1
|
|
fi
|
|
|
|
vecho "Creating initramfs"
|
|
modulefile=/etc/modprobe.conf
|
|
|
|
# find a temporary directory which doesn't use tmpfs
|
|
TMPDIR=""
|
|
for t in /tmp /var/tmp /root ${PWD}; do
|
|
if [ ! -d $t ]; then continue; fi
|
|
if ! access -w $t ; then continue; fi
|
|
|
|
fs=$(df -T $t 2>/dev/null | awk '{line=$1;} END {printf $2;}')
|
|
if [ "$fs" != "tmpfs" ]; then
|
|
TMPDIR=$t
|
|
break
|
|
fi
|
|
done
|
|
|
|
if [ -z "$TMPDIR" ]; then
|
|
error "no temporary directory could be found."
|
|
exit 1
|
|
fi
|
|
|
|
if [ $TMPDIR = "/root" -o $TMPDIR = "${PWD}" ]; then
|
|
error "WARNING: using $TMPDIR for temporary files"
|
|
fi
|
|
|
|
for n in $PREMODS; do
|
|
findmodule $n
|
|
done
|
|
|
|
needusb=""
|
|
if [ -n "$withusb" -a "x$PROBE" == "xyes" ]; then
|
|
# If / or /boot is on a USB device include the driver. With root by
|
|
# label we could still get some odd behaviors
|
|
for fs in / /boot ; do
|
|
esc=$(echo $fs | sed 's,/,\\/,g')
|
|
dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3)
|
|
if [ "$(echo $dev | cut -c1-2)" = sd ]; then
|
|
if [ `which kudzu 2>/dev/null` ]; then
|
|
host=$(kudzu --probe -b scsi |
|
|
gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }')
|
|
if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ]; then
|
|
needusb=1
|
|
fi
|
|
fi
|
|
fi
|
|
done
|
|
fi
|
|
|
|
if [ -n "$needusb" -a "x$PROBE" == "xyes" ]; then
|
|
drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < $modulefile)
|
|
useUSB=0
|
|
if [ -n "$drivers" ]; then
|
|
useUSB=1
|
|
for driver in $drivers; do
|
|
findmodule $driver
|
|
done
|
|
fi
|
|
for x in $(grep ^[eou]hci_hcd /proc/modules | awk '{ print $1 }' | tac) ; do
|
|
useUSB=1
|
|
findmodule $(echo $x | sed 's/_/-/')
|
|
done
|
|
if [ "$useUSB" == "1" ]; then
|
|
findmodule scsi_mod
|
|
findmodule sd_mod
|
|
findmodule usb-storage
|
|
fi
|
|
fi
|
|
|
|
if [ -n "$forcescsi" -o -z "$noscsi" -a "x$PROBE" == "xyes" ]; then
|
|
if [ ! -f $modulefile ]; then
|
|
modulefile=/etc/conf.modules
|
|
fi
|
|
|
|
if [ -f $modulefile ]; then
|
|
scsimodules=`grep "alias[[:space:]]\+scsi_hostadapter" $modulefile | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }'`
|
|
|
|
if [ -n "$scsimodules" ]; then
|
|
for n in $scsimodules; do
|
|
# for now allow scsi modules to come from anywhere. There are some
|
|
# RAID controllers with drivers in block/
|
|
findmodule $n
|
|
done
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# If we have ide devices and module ide, do the right thing
|
|
ide=/proc/ide/ide*
|
|
if [ -n "$forceide" -o -n "$ide" -a "x$PROBE" == "xyes" ]; then
|
|
findmodule -ide-disk
|
|
fi
|
|
|
|
# If we have dasd devices, include the necessary modules (S/390)
|
|
if [ "x$PROBE" == "xyes" -a -d /proc/dasd ]; then
|
|
findmodule -dasd_mod
|
|
findmodule -dasd_eckd_mod
|
|
findmodule -dasd_fba_mod
|
|
fi
|
|
|
|
if [ "x$PROBE" == "xyes" ]; then
|
|
rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' $fstab)
|
|
rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' $fstab)
|
|
|
|
# in case the root filesystem is modular
|
|
findmodule -${rootfs}
|
|
|
|
rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' $fstab)
|
|
# check if it's nfsroot
|
|
if [ "$rootfs" == "nfs" ]; then
|
|
remote=$(echo $rootdev | cut -d : -f 1)
|
|
# FIXME: this doesn't handle ips properly
|
|
remoteip=$(host $remote | cut -d ' ' -f 4)
|
|
netdev=`/sbin/ip route get to $remoteip |sed 's|.*dev \(.*\).*|\1|g' |awk {'print $1;'} |head -n 1`
|
|
net_list="$net_list $netdev"
|
|
# check if it's root by label
|
|
elif echo $rootdev | cut -c1-6 | grep -q "LABEL=" ; then
|
|
rootopts=$(echo $rootopts | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \
|
|
-e 's/^r[ow]$/defaults/' -e 's/$/,ro/')
|
|
majmin=$(get_numeric_dev dec /dev/root)
|
|
if [ -n "$majmin" ]; then
|
|
dev=$(findall /sys/block -name dev | while read device ; do \
|
|
echo "$majmin" | cmp -s $device && echo $device ; done \
|
|
| sed -e 's,.*/\([^/]\+\)/dev,\1,' )
|
|
if [ -n "$dev" ]; then
|
|
vecho "Found root device $dev for $rootdev"
|
|
rootdev=$dev
|
|
fi
|
|
fi
|
|
else
|
|
rootopts=$(echo $rootopts | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \
|
|
-e 's/^r[ow]$/defaults/' -e 's/$/,ro/')
|
|
fi
|
|
[ "$rootfs" != "nfs" ] && handlelvordev $rootdev
|
|
|
|
# find the first swap dev which would get used for swsusp
|
|
swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' $fstab \
|
|
| head -n 1)
|
|
if ! echo $swsuspdev | cut -c1-6 | grep -q "LABEL=" ; then
|
|
handlelvordev $swsuspdev
|
|
fi
|
|
fi
|
|
|
|
# If we use LVM or dm-based raid, include dm-mod
|
|
# XXX: dm not really supported yet.
|
|
testdm=""
|
|
[ -n "$vg_list" ] && testdm="yes"
|
|
[ -n "$forceraid" -o -n "$forcelvm" ] && testdm="yes"
|
|
[ -z "$nolvm" -o -z "$noraid" ] && testdm="yes"
|
|
[ "x$PROBE" != "xyes" ] && testdm=""
|
|
|
|
if [ -n "$testdm" ]; then
|
|
if [ -x /sbin/dmsetup -a -e /dev/mapper/control ]; then
|
|
dmout=$(/sbin/dmsetup ls 2>/dev/null)
|
|
if [ "$dmout" != "No devices found" -a "$dmout" != "" ]; then
|
|
findmodule -dm-mod
|
|
|
|
# DM requires all of these to be there in case someone used the
|
|
# feature. broken. (#132001)
|
|
findmodule -dm-mirror
|
|
findmodule -dm-zero
|
|
findmodule -dm-snapshot
|
|
fi
|
|
fi
|
|
if [ -x /sbin/dmraid -a -z "$nodmraid" ]; then
|
|
for raid in $(/sbin/dmraid -s -craidname 2>/dev/null | grep -vi "no raid disks" ) ; do
|
|
dmname=$(resolve_dm_name $raid)
|
|
if [ -n "$dmname" ]; then
|
|
DMRAIDS="$DMRAIDS $dmname"
|
|
fi
|
|
done
|
|
fi
|
|
fi
|
|
|
|
for n in $basicmodules; do
|
|
findmodule $n
|
|
done
|
|
|
|
for n in $CONFMODS; do
|
|
findmodule $n
|
|
done
|
|
|
|
finddmmods
|
|
|
|
vecho "Using modules:$MODULES"
|
|
|
|
MNTIMAGE=`mktemp -d ${TMPDIR}/initrd.XXXXXX`
|
|
IMAGE=`mktemp ${TMPDIR}/initrd.img.XXXXXX`
|
|
RCFILE=$MNTIMAGE/init
|
|
|
|
cemit()
|
|
{
|
|
cat >> $RCFILE
|
|
}
|
|
|
|
emit()
|
|
{
|
|
NONL=""
|
|
if [ "$1" == "-n" ]; then
|
|
NONL="-n"
|
|
shift
|
|
fi
|
|
echo $NONL "$@" >> $RCFILE
|
|
}
|
|
|
|
emitdm()
|
|
{
|
|
vecho "Adding dm map \"$1\""
|
|
UUID=$(dm_get_uuid "$1")
|
|
if [ -n "$UUID" ]; then
|
|
UUID="--uuid $UUID"
|
|
fi
|
|
emit dm create "$1" $UUID $(/sbin/dmsetup table "$1")
|
|
}
|
|
|
|
emitdms()
|
|
{
|
|
[ -z "$MPATHS" -a -z "$DMRAIDS" ] && return 0
|
|
echo dm list $MPATHS $DMRAIDS | nash --force --quiet | \
|
|
while read ACTION NAME ; do
|
|
case $ACTION in
|
|
rmparts)
|
|
emit rmparts "$NAME"
|
|
;;
|
|
create)
|
|
emitdm "$NAME"
|
|
;;
|
|
part)
|
|
emit dm partadd "$NAME"
|
|
;;
|
|
esac
|
|
done
|
|
}
|
|
|
|
if [ -z "$MNTIMAGE" -o -z "$IMAGE" ]; then
|
|
error "Error creating temporaries. Try again"
|
|
exit 1
|
|
fi
|
|
if [ -n "$KDUMP_CONFIG_FILE" ]; then
|
|
while read type location; do
|
|
|
|
case "$type" in
|
|
net)
|
|
#grab remote host and xlate into numbers
|
|
rhost=`echo $location | sed 's/.*@//' | cut -d':' -f1`
|
|
need_dns=`echo $rhost|grep [a-zA-Z]`
|
|
[ -n "$need_dns" ] && rhost=`host $rhost|cut -d' ' -f4`
|
|
|
|
#find ethernet device used to route to remote host, ie eth0
|
|
netdev=`/sbin/ip route get to $rhost 2>&1`
|
|
[ $? != 0 ] && echo "Bad kdump location: $location" && continue
|
|
netdev=`echo $netdev|awk '{print $3;}'|head -n 1`
|
|
|
|
#add the ethernet device to the list of modules
|
|
handlenetdev $netdev
|
|
|
|
#load nfs modules, if needed
|
|
echo $location | grep -v "@" > /dev/null && findmodule nfs
|
|
;;
|
|
ifc)
|
|
KDUMP_IFC=$location
|
|
if [ -n "$network" ]; then
|
|
network=`echo $network | sed -e's/\(^.* \)\('$netdev'\)\( .*$\)/\1 '$KDUMP_IFC' \3/'`
|
|
fi
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
|
|
done < $KDUMP_CONFIG_FILE
|
|
fi
|
|
|
|
mkdir -p $MNTIMAGE
|
|
mkdir -p $MNTIMAGE/lib
|
|
mkdir -p $MNTIMAGE/bin
|
|
mkdir -p $MNTIMAGE/etc
|
|
mkdir -p $MNTIMAGE/dev
|
|
mkdir -p $MNTIMAGE/proc
|
|
mkdir -p $MNTIMAGE/sys
|
|
mkdir -p $MNTIMAGE/sysroot
|
|
ln -s bin $MNTIMAGE/sbin
|
|
|
|
if [ -e /etc/fstab.sys ]; then
|
|
inst /etc/fstab.sys "$MNTIMAGE/etc/fstab.sys"
|
|
fi
|
|
inst /sbin/nash "$MNTIMAGE/bin/nash"
|
|
inst /sbin/insmod.static "$MNTIMAGE/bin/insmod"
|
|
ln -s /sbin/nash $MNTIMAGE/sbin/modprobe
|
|
|
|
for MODULE in $MODULES; do
|
|
if [ -x /usr/bin/strip ]; then
|
|
/usr/bin/strip -g $verbose $MODULE -o $MNTIMAGE/lib/$(basename $MODULE)
|
|
else
|
|
cp $verbose -a $MODULE $MNTIMAGE/lib
|
|
fi
|
|
done
|
|
|
|
# mknod'ing the devices instead of copying them works both with and
|
|
# without devfs...
|
|
mkdir $MNTIMAGE/dev/mapper
|
|
|
|
mknod $MNTIMAGE/dev/ram0 b 1 0
|
|
mknod $MNTIMAGE/dev/ram1 b 1 1
|
|
ln -sf ram1 $MNTIMAGE/dev/ram
|
|
|
|
mknod $MNTIMAGE/dev/null c 1 3
|
|
mknod $MNTIMAGE/dev/zero c 1 5
|
|
mknod $MNTIMAGE/dev/systty c 4 0
|
|
for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 ; do
|
|
mknod $MNTIMAGE/dev/tty$i c 4 $i
|
|
done
|
|
for i in 0 1 2 3 ; do
|
|
mknod $MNTIMAGE/dev/ttyS$i c 4 $(($i + 64))
|
|
done
|
|
mknod $MNTIMAGE/dev/tty c 5 0
|
|
mknod $MNTIMAGE/dev/console c 5 1
|
|
mknod $MNTIMAGE/dev/ptmx c 5 2
|
|
mknod $MNTIMAGE/dev/rtc c 10 135
|
|
if [ "$(uname -m)" == "ia64" ]; then
|
|
mknod $MNTIMAGE/dev/efirtc c 10 136
|
|
fi
|
|
|
|
# FIXME -- this can really go poorly with clvm or duplicate vg names.
|
|
# nash should do lvm probing for us and write its own configs.
|
|
if [ -n "$vg_list" ]; then
|
|
inst /sbin/lvm.static "$MNTIMAGE/bin/lvm"
|
|
if [ -f /etc/lvm/lvm.conf ]; then
|
|
cp $verbose --parents /etc/lvm/lvm.conf $MNTIMAGE/
|
|
fi
|
|
fi
|
|
|
|
echo -n >| $RCFILE
|
|
cemit << EOF
|
|
#!/bin/nash
|
|
|
|
mount -t proc /proc /proc
|
|
setquiet
|
|
echo Mounting proc filesystem
|
|
echo Mounting sysfs filesystem
|
|
mount -t sysfs /sys /sys
|
|
echo Creating /dev
|
|
mount -o mode=0755 -t tmpfs /dev /dev
|
|
mkdir /dev/pts
|
|
mount -t devpts -o gid=5,mode=620 /dev/pts /dev/pts
|
|
mkdir /dev/shm
|
|
mkdir /dev/mapper
|
|
echo Creating initial device nodes
|
|
mknod /dev/null c 1 3
|
|
mknod /dev/zero c 1 5
|
|
mknod /dev/systty c 4 0
|
|
mknod /dev/tty c 5 0
|
|
mknod /dev/console c 5 1
|
|
mknod /dev/ptmx c 5 2
|
|
mknod /dev/rtc c 10 135
|
|
EOF
|
|
if [ "$(uname -m)" == "ia64" ]; then
|
|
emit "mknod $MNTIMAGE/dev/efirtc c 10 136"
|
|
fi
|
|
|
|
# XXX really we need to openvt too, in case someting changes the
|
|
# color palette and then changes vts on fbcon before gettys start.
|
|
# (yay, fbcon bugs!)
|
|
for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 ; do
|
|
emit "mknod /dev/tty$i c 4 $i"
|
|
done
|
|
|
|
for i in 0 1 2 3 ; do
|
|
emit "mknod /dev/ttyS$i c 4 $(($i + 64))"
|
|
done
|
|
emit "mknod /dev/mem c 1 1"
|
|
|
|
emit "echo Setting up hotplug."
|
|
emit "hotplug"
|
|
|
|
emit "echo Creating block device nodes."
|
|
emit "mkblkdevs"
|
|
|
|
for MODULE in $MODULES; do
|
|
text=""
|
|
module=`echo $MODULE | sed "s|.*/||" | sed "s/.k\?o$//"`
|
|
fullmodule=`echo $MODULE | sed "s|.*/||"`
|
|
|
|
options=`sed -n -e "s/^options[ ][ ]*$module[ ][ ]*//p" $modulefile 2>/dev/null`
|
|
|
|
if [ -n "$options" ]; then
|
|
vecho "Adding module $module$text with options $options"
|
|
else
|
|
vecho "Adding module $module$text"
|
|
fi
|
|
emit "echo \"Loading $fullmodule module\""
|
|
emit "insmod /lib/$fullmodule $options"
|
|
|
|
# Hack - we need a delay after loading usb-storage to give things
|
|
# time to settle down before we start looking a block devices
|
|
if [ "$module" = "usb-storage" ]; then
|
|
emit "echo Waiting 8 seconds for driver initialization."
|
|
emit "sleep 8"
|
|
fi
|
|
if [ "$module" = "zfcp" -a -f /etc/zfcp.conf ]; then
|
|
emit "echo Waiting 2 seconds for driver initialization."
|
|
emit "sleep 2"
|
|
cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN; do
|
|
cemit <<EOF
|
|
echo -n $WWPN > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add
|
|
echo -n $FCPLUN > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/$WWPN/unit_add
|
|
echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online
|
|
EOF
|
|
done
|
|
fi
|
|
done
|
|
|
|
if [ -n "$vg_list" ]; then
|
|
emit "echo Making device-mapper control node"
|
|
emit "mkdmnod"
|
|
fi
|
|
|
|
if [ -n "$net_list" ]; then
|
|
for netdev in $net_list; do
|
|
emit "echo Bringing up $netdev"
|
|
handle_netdev $netdev
|
|
emit $network
|
|
done
|
|
fi
|
|
|
|
# HACK: module loading + device creation isn't necessarily synchronous...
|
|
# this will make sure that we have all of our devices before trying
|
|
# things like RAID or LVM
|
|
emit "mkblkdevs"
|
|
|
|
emitdms
|
|
|
|
if [ -n "$raiddevices" ]; then
|
|
for dev in $raiddevices; do
|
|
cp -a /dev/${dev} $MNTIMAGE/dev
|
|
emit "raidautorun /dev/${dev}"
|
|
done
|
|
fi
|
|
|
|
if [ -n "$vg_list" ]; then
|
|
emit "echo Scanning logical volumes"
|
|
emit "lvm vgscan --ignorelockingfailure"
|
|
emit "echo Activating logical volumes"
|
|
emit "lvm vgchange -ay --ignorelockingfailure $vg_list"
|
|
fi
|
|
|
|
if [ -z "$noresume" -a -n "$swsuspdev" ]; then
|
|
emit "resume $swsuspdev"
|
|
fi
|
|
|
|
kdump_chk()
|
|
{
|
|
rc=`eval $1` && return $rc
|
|
echo "$KDUMP_CONFIG_FILE: $2"
|
|
exit 1
|
|
}
|
|
|
|
if [ -n "$KDUMP_CONFIG_FILE" ]; then
|
|
memtotal=`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`
|
|
|
|
#timezone info for date which outputs YYYY-MM-DD-hh:mm
|
|
cp /etc/localtime $MNTIMAGE/etc/localtime
|
|
bin="/sbin/reboot /sbin/kcp /bin/mkdir"
|
|
|
|
#traverse the config file and setup each dump location
|
|
while read type location; do
|
|
[ -z "$type" ] && continue #skip empty lines
|
|
[ "`echo $type| grep ^# `" ] && continue #skip comments
|
|
kdump_chk "test -n \"$location\"" "Need a location for $type"
|
|
|
|
case "$type" in
|
|
\#*) continue;; #skip comments
|
|
|
|
raw)
|
|
#test raw partition
|
|
kdump_chk "dd if=$location count=1 of=/dev/null > /dev/null 2>&1" \
|
|
"Bad raw partition $location"
|
|
#TODO check for available size is greater than $memtotal
|
|
|
|
#setup raw case
|
|
emit "echo Saving to partition $location"
|
|
emit "dd if=/proc/vmcore of=$location"
|
|
emit "cond reboot -h -f"
|
|
bin="$bin /bin/dd"
|
|
;;
|
|
|
|
net)
|
|
#ssh, scp require libraries that aren't found with ldd
|
|
lib=/lib && [ -d "/lib64" ] && lib=/lib64
|
|
k_extras="/$lib/libnss_compat.so.2 /$lib/libnss_files.so.2"
|
|
|
|
# bring up the network
|
|
emit "echo Bring up network"
|
|
emit $network
|
|
|
|
#grab remote host and xlate into numbers
|
|
rhost=`echo $location | sed 's/.*@//' | cut -d':' -f1`
|
|
need_dns=`echo $rhost|grep [a-zA-Z]`
|
|
[ -n "$need_dns" ] && rhost=`host $rhost|cut -d' ' -f4`
|
|
|
|
#find the local ip being used as a route to remote ip
|
|
netdev=`/sbin/ip route get to $rhost 2>&1`
|
|
[ $? != 0 ] && echo "Bad kdump location: $location" && continue
|
|
lhost=`echo $netdev|awk '{print $5;}'|head -n 1`
|
|
|
|
emit "echo Saving to remote location $location"
|
|
if [ -z "`echo $location|grep @`" ]; then
|
|
#NFS path
|
|
|
|
#test nfs mount and directory creation
|
|
rlocation=`echo $location| sed 's/.*:/'"$rhost"':/'`
|
|
tmnt=`mktemp -dq`
|
|
kdump_chk "mount -t nfs -o nolock $rlocation $tmnt" \
|
|
"Bad NFS mount $location"
|
|
mkdir -p $tmnt/var/crash
|
|
tdir=`mktemp -dqp $tmnt/var/crash`
|
|
|
|
rc=$? && rm -rf $tdir && umount $tmnt && rm -rf $tmnt
|
|
if [ $rc != "0" ]; then
|
|
echo "Cannot create directory in $location: var/crash"
|
|
exit 1
|
|
fi
|
|
#TODO check for available size is greater than $memtotal
|
|
|
|
#setup nfs case
|
|
mkdir -p $MNTIMAGE/mnt
|
|
emit "mount -t nfs -o nolock $rlocation /mnt"
|
|
emit "cond kcp --local /proc/vmcore /mnt/var/crash/$lhost-%DATE/vmcore"
|
|
emit "cond reboot -h -f"
|
|
else
|
|
#SSH path
|
|
|
|
#rebuild $location replacing machine name with ip address
|
|
rlocation=`echo $location|sed 's/@.*/@'"$rhost"'/'`
|
|
#test ssh path and directory creation
|
|
s_opts="-o BatchMode=yes -o StrictHostKeyChecking=no"
|
|
kdump_chk "ssh -q $s_opts $rlocation mkdir -p /var/crash/ </dev/null" \
|
|
"Could not create $location:/var/crash, check ssh keys"
|
|
tdir=`ssh -q $s_opts $rlocation mktemp -dqp /var/crash </dev/null`
|
|
if [ $? != "0" ]; then
|
|
echo "$KDUMP_CONFIG_FILE: Could not create temp directory in $location:/var/crash"
|
|
exit 1
|
|
fi
|
|
ssh -q $s_opts $rlocation rm -rf $tdir </dev/null
|
|
#TODO check for available size is greater than $memtotal
|
|
|
|
#setup ssh case, quick check to see if setup already
|
|
if [ ! -r $MNTIMAGE/dev/urandom ]; then
|
|
#only need to do these once
|
|
grep "^root" /etc/passwd > $MNTIMAGE/etc/passwd
|
|
mkdir -p $MNTIMAGE/root
|
|
cp -a /root/.ssh $MNTIMAGE/root/
|
|
cp -a /etc/ssh $MNTIMAGE/etc
|
|
mknod $MNTIMAGE/dev/urandom c 1 9
|
|
emit "mknod /dev/urandom c 1 9"
|
|
fi
|
|
emit "dd if=/dev/mem of=/dev/urandom count=1 bs=512 skip=100"
|
|
emit "cond kcp --ssh /proc/vmcore $rlocation:/var/crash/$lhost-%DATE/vmcore"
|
|
emit "cond reboot -h -f"
|
|
bin="$bin /usr/bin/scp /usr/bin/ssh /bin/dd"
|
|
fi
|
|
;;
|
|
ifc)
|
|
;;
|
|
default)
|
|
[ "$location" == "reboot" ] && emit "reboot -h -f"
|
|
#else load normally on default failure case
|
|
;;
|
|
*)
|
|
#test filesystem and directory creation
|
|
kdump_chk "test -f /sbin/fsck.$type" "Unsupported type $type"
|
|
kdump_chk "mount -t $type $location /mnt" "Bad mount point $location"
|
|
mkdir -p /mnt/var/crash
|
|
tdir=`mktemp -dqp /mnt/var/crash/`
|
|
rc=$? && rm -rf $tdir && umount /mnt
|
|
if [ $rc != "0" ]; then
|
|
echo "Cannot create directory in $location: /var/crash"
|
|
exit 1
|
|
fi
|
|
#TODO check for available size is greater than $memtotal
|
|
|
|
#setup filesystem case
|
|
lhost="127.0.0.1"
|
|
mkdir -p $MNTIMAGE/mnt
|
|
touch $MNTIMAGE/etc/mtab
|
|
emit "echo Saving to the local filesystem $location"
|
|
emit "fsck.$type $location"
|
|
emit "cond mount -t $type $location /mnt"
|
|
emit "cond kcp --local /proc/vmcore /mnt/var/crash/$lhost-%DATE/vmcore"
|
|
emit "cond umount /mnt"
|
|
emit "cond reboot -h -f"
|
|
bin="$bin /sbin/fsck.$type /bin/mount"
|
|
;;
|
|
esac
|
|
done < $KDUMP_CONFIG_FILE
|
|
|
|
#find the shared libraries. this snippet taken from kboot
|
|
kdump_libs=`for n in $bin; do
|
|
ldd "$n" 2>/dev/null | tr -s '\011' ' ' |
|
|
sed 's/.*=> *//;s/^ *//;/ *(0x.*)/s///p;d'
|
|
done | sort | uniq | sed '/^ *$/d'`
|
|
|
|
#copy the binaries and their shared libraries to the archive
|
|
for n in $bin $kdump_libs $k_extras; do
|
|
mkdir -p $MNTIMAGE/`dirname $n`
|
|
cp $n $MNTIMAGE/$n
|
|
done
|
|
fi
|
|
|
|
emit "echo Creating root device."
|
|
# mkrootdev does "echo /dev/root /sysroot ext3 defaults,ro 0 0 >/etc/fstab"
|
|
emit "mkrootdev -t $rootfs -o $rootopts $rootdev"
|
|
rootdev=/dev/root
|
|
|
|
emit "echo Mounting root filesystem."
|
|
emit "mount /sysroot"
|
|
|
|
emit "echo Setting up other filesystems."
|
|
emit "setuproot"
|
|
|
|
emit "echo Switching to new root and running init."
|
|
emit "switchroot"
|
|
|
|
chmod +x $RCFILE
|
|
|
|
(cd $MNTIMAGE; findall . | cpio --quiet -c -o) >| $IMAGE || exit 1
|
|
|
|
if [ -n "$compress" ]; then
|
|
gzip -9 < $IMAGE >| $target || rc=1
|
|
else
|
|
cp -a $IMAGE $target || rc=1
|
|
fi
|
|
rm -rf $MNTIMAGE $IMAGE
|
|
if [ -n "$MNTPOINT" ]; then rm -rf $MNTPOINT ; fi
|
|
|
|
exit $rc
|