#!/bin/bash --norc
# vim:sts=4:sw=4:ts=8:et
# mkdumprd
#
# Copyright 2005 Red Hat, Inc.
#
# Written by Erik Troan <ewt@redhat.com>
#
# Contributors:
# Elliot Lee <sopwith@cuc.edu>
# Miguel de Icaza <miguel@nuclecu.unam.mx>
# Christian 'Dr. Disk' Hechelmann <drdisk@ds9.au.s.shuttle.de>
# Michael K. Johnson <johnsonm@redhat.com>
# Pierre Habraken <Pierre.Habraken@ujf-grenoble.fr>
# Jakub Jelinek <jakub@redhat.com>
# Carlo Arenas Belon (carenas@chasqui.lared.net.pe>
# Keith Owens <kaos@ocs.com.au>
# Bernhard Rosenkraenzer <bero@redhat.com>
# Matt Wilson <msw@redhat.com>
# Trond Eivind Glomsrød <teg@redhat.com>
# Jeremy Katz <katzj@redhat.com>
# Preston Brown <pbrown@redhat.com>
# Bill Nottingham <notting@redhat.com>
# Guillaume Cottenceau <gc@mandrakesoft.com>
# Peter Jones <pjones@redhat.com>
# Neil Horman <nhorman@redhat.com>
cmdname=`basename $0`
umask 0022
export MALLOC_PERTURB_=204
PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
export PATH
. /etc/rc.d/init.d/functions
VERSION=5.0.39
PROBE="yes"
MODULES=""
PREMODS=""
DMRAIDS=""
MPATHS=""
CONFMODS="$MODULES"
MODULES=""
withusb=yes
compress=1
allowmissing=""
target=""
kernel=""
force=""
verbose=""
img_vers=""
builtins=""
modulefile=/etc/modules.conf
rc=0
IMAGESIZE=8000
PRESCSIMODS="sd_mod"
fstab="/etc/fstab"
vg_list=""
net_list=""
USING_METHOD=""
SAVE_PATH=/var/crash
vecho()
{
NONL=""
if [ "$1" == "-n" ]; then
NONL="-n"
shift
fi
[ -n "$verbose" ] && echo $NONL "$@"
}
error()
{
NONL=""
if [ "$1" == "-n" ]; then
NONL="-n"
shift
fi
echo $NONL "$@" >&2
}
usage () {
if [ "$1" == "-n" ]; then
cmd=echo
else
cmd=error
fi
$cmd "usage: $cmdname [--version] [--help] [-v] [-d] [-f] [--preload <module>]"
$cmd " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]"
$cmd " [--image-version] [--force-scsi-probe | --omit-raid-modules]"
$cmd " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]"
$cmd " [--builtin=<module>] [--omit-dmraid]"
$cmd " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>"
$cmd ""
$cmd " (ex: $cmdname /boot/initrd-2.2.5-15.img 2.2.5-15)"
if [ "$1" == "-n" ]; then
exit 0
else
exit 1
fi
}
moduledep() {
if [ ! -f "/lib/modules/$kernel/modules.dep" ]; then
error "No dep file found for kernel $kernel"
exit 1
fi
vecho -n "Looking for deps of module $1"
deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \
function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \
function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \
/^\/lib/ { show(); \
orig=modname($1); dep=""; \
if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \
/^ / { dep=sprintf("%s %s", dep, modname($1)); } \
END { show(); exit(rc) }' /lib/modules/$kernel/modules.dep $1)
[ -n "$deps" ] && vecho ":$deps" || vecho
}
findone() {
echo nash-find "$@" | /sbin/nash --force --quiet \
| /bin/awk '{ print $1; exit; }'
}
findall() {
echo nash-find "$@" | /sbin/nash --force --quiet
}
dm_get_uuid() {
echo dm get_uuid "$1" | /sbin/nash --force --quiet
}
findmodule() {
skiperrors=""
if [ $1 == "--skiperrors" ]; then
skiperrors=--skiperrors
shift
fi
local modName=$1
if [ "$modName" = "off" -o "$modName" = "null" ]; then
return
fi
if [ $(echo $modName | cut -b1) = "-" ]; then
skiperrors=--skiperrors
modName=$(echo $modName | cut -b2-)
fi
case "$MODULES " in
*"/$modName.ko "*) return ;;
esac
if echo $builtins | egrep -q '(^| )'$modName'( |$)' ; then
vecho "module $modName assumed to be built in"
return
fi
# special cases
if [ "$modName" = "i2o_block" ]; then
findmodule i2o_core
findmodule -i2o_pci
modName="i2o_block"
elif [ "$modName" = "ppa" ]; then
findmodule parport
findmodule parport_pc
modName="ppa"
elif [ "$modName" = "sbp2" ]; then
findmodule ieee1394
findmodule ohci1394
modName="sbp2"
else
moduledep $modName
for i in $deps; do
findmodule $i
done
fi
for modExt in o.gz o ko ; do
for modDir in /lib/modules/$kernel/updates /lib/modules/$kernel ; do
if [ -d $modDir ]; then
fmPath=$(findone $modDir -name $modName.$modExt)
if [ -f "$fmPath" ]; then
break 2
fi
fi
done
done
if [ ! -f $fmPath ]; then
if [ -n "$skiperrors" ]; then
return
fi
# ignore the absence of the scsi modules
for n in $PRESCSIMODS; do
if [ "$n" = "$modName" ]; then
return;
fi
done;
if [ -n "$allowmissing" ]; then
error "WARNING: No module $modName found for kernel $kernel, continuing anyway"
return
fi
error "No module $modName found for kernel $kernel, aborting."
exit 1
fi
# only need to add each module once
MODULES="$MODULES $fmPath"
# need to handle prescsimods here -- they need to go _after_ scsi_mod
if [ "$modName" = "scsi_mod" ]; then
for n in $PRESCSIMODS ; do
findmodule $n
done
fi
}
inst() {
if [ "$#" != "2" ];then
echo "usage: inst <file> <destination>"
return
fi
vecho "$1 -> $2"
cp $1 $2
}
readlink() {
echo nash-readlink "$1" | /sbin/nash --force --quiet
}
access() {
echo nash-access -w $t | /sbin/nash --force --quiet
}
findstoragedriverinsys () {
while [ ! -L device ]; do
[ "$PWD" = "/sys" ] && return
cd ..
done
cd $(readlink ./device)
while [ ! -f modalias ]; do
[ "$PWD" = "/sys/devices" ] && return
cd ..
done
modalias=$(cat modalias)
for driver in $(modprobe --set-version $kernel --show-depends $modalias 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') ; do
findmodule ${driver%%.ko}
done
}
findstoragedriver () {
for device in $@ ; do
case " $handleddevices " in
*" $device "*)
continue ;;
*) handleddevices="$handleddevices $device" ;;
esac
if [[ "$device" =~ "md[0-9]+" ]]; then
vecho "Found RAID component $device"
handleraid "$device"
continue
fi
vecho "Looking for driver for device $device"
sysfs=$(findone -type d /sys/block -name $device)
[ -z "$sysfs" ] && return
pushd $sysfs >/dev/null 2>&1
findstoragedriverinsys
popd >/dev/null 2>&1
done
}
findnetdriver() {
for device in $@ ; do
case " $handleddevices " in
*" $device "*)
continue ;;
*) handleddevices="$handleddevices $device" ;;
esac
case "$device" in
bond*)
modalias=bonding
;;
eth*.*)
modalias=8021q
;;
*)
if [ -f /sys/class/net/$device/device/modalias ]
then
modalias=$(cat /sys/class/net/$device/device/modalias)
else
modalias=$(ethtool -i $device | awk '/^driver:/ { print $2 }')
fi
;;
esac
for driver in $(modprobe --set-version $kernel --show-depends $modalias 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') ; do
findmodule ${driver%%.ko}
done
done
}
handleraid() {
local start=0
if [ -n "$noraid" -o ! -f /proc/mdstat ]; then
return 0
fi
levels=$(grep "^$1[ ]*:" /proc/mdstat | \
awk '{ print $4 }')
devs=$(grep "^$1[ ]*:" /proc/mdstat | \
awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }')
for level in $levels ; do
case $level in
linear)
findmodule linear
start=1
;;
multipath)
findmodule multipath
start=1
;;
raid[01456] | raid10)
findmodule $level
start=1
;;
*)
error "raid level $level (in /proc/mdstat) not recognized"
;;
esac
done
findstoragedriver $devs
if [ "$start" = 1 ]; then
raiddevices="$raiddevices $1"
fi
return $start
}
handlelvordev() {
local vg=`lvs --noheadings -o vg_name $1 2>/dev/null`
if [ -z "$vg" ]; then
vg=`lvs --noheadings -o vg_name $(echo $1 | sed -e 's#^/dev/mapper/\([^-]*\)-\(.*\)$#/dev/\1/\2#') 2>/dev/null`
fi
if [ -n "$vg" ]; then
vg=`echo $vg` # strip whitespace
case " $vg_list " in
*" $vg "*)
;;
*)
vg_list="$vg_list $vg"
for device in `vgdisplay -v $vg 2>/dev/null | sed -n 's/PV Name//p'`; do
findstoragedriver ${device##/dev/}
done
;;
esac
else
findstoragedriver ${1##/dev/}
fi
}
handlenetdev() {
local dev=$1
cp /etc/sysconfig/network-scripts/ifcfg-$dev $MNTIMAGE/etc
BOOTPROTO=""
VLAN=""
MASTER=""
SLAVE=""
. $MNTIMAGE/etc/ifcfg-$dev
findnetdriver $dev
if [ "$BOOTPROTO" == "dhcp" ]
then
echo iface $dev inet dhcp >> $MNTIMAGE/etc/network/interfaces
else
echo iface $dev inet static >> $MNTIMAGE/etc/network/interfaces
if [ -n "$IPADDR" ]
then
echo " " address $IPADDR >> $MNTIMAGE/etc/network/interfaces
fi
if [ -n "$NETMASK" ]
then
echo " " netmask $NETMASK >> $MNTIMAGE/etc/network/interfaces
fi
if [ -z "$GATEWAY" ]
then
GATEWAY=`/sbin/ip route show | awk '/^default/ {print $3}'`
fi
echo " " gateway $GATEWAY >> $MNTIMAGE/etc/network/interfaces
fi
#This lets us recursively handle stacked devices
case "$dev" in
bond*)
#This is a bond, pick up its slaves
for j in `cat /sys/class/net/$dev/bonding/slaves`
do
handlenetdev $j
done
echo "BUS_ID=\"Bonding\"" >> $MNTIMAGE/etc/ifcfg-$dev
;;
*)
if [ "$VLAN" == "yes" ]
then
#put code to handle vlan devices
echo "BUS_ID=\"Vlan\"" >> $MNTIMAGE/etc/ifcfg-$dev
#now make sure we pick up the driver to support the
#underlying interface
BASE_IFC=`echo $dev | cut -d"." -f1`
handlenetdev $BASE_IFC
else
BUS_ID=`ls -l /sys/class/net/$dev/device | sed -e's/\(.*\/\)\(.*$\)/\2/'`
echo "BUS_ID=\"$BUS_ID\"" >> $MNTIMAGE/etc/ifcfg-$dev
fi
;;
esac
}
while [ $# -gt 0 ]; do
case $1 in
--fstab*)
if echo $1 | grep -q '=' ; then
fstab=`echo $1 | sed 's/^--fstab=//'`
else
fstab=$2
shift
fi
;;
--with-usb)
withusb=yes
;;
--without-usb)
withusb=no
;;
--with*)
if echo $1 | grep -q '=' ; then
modname=`echo $1 | sed 's/^--with=//'`
else
modname=$2
shift
fi
basicmodules="$basicmodules $modname"
;;
--builtin*)
if echo $1 | grep -q '=' ; then
modname=`echo $1 | sed 's/^--builtin=//'`
else
modname=$2
shift
fi
builtins="$builtins $modname"
;;
--version)
echo "$cmdname: version $VERSION"
exit 0
;;
-v)
verbose=-v
;;
--nocompress)
compress=""
;;
--ifneeded)
# legacy
;;
-f)
force=1
;;
-d)
KDUMP_CONFIG_FILE=""
if [ -f /etc/kdump.conf ]; then
KDUMP_CONFIG_FILE="/etc/kdump.conf"
fi
;;
--preload*)
if echo $1 | grep -q '=' ; then
modname=`echo $1 | sed 's/^--preload=//'`
else
modname=$2
shift
fi
PREMODS="$PREMODS $modname"
;;
--force-scsi-probe)
forcescsi=1
;;
--omit-scsi-modules)
PRESCSIMODS=""
noscsi=1
;;
--force-raid-probe)
forceraid=1
;;
--omit-raid-modules)
noraid=1
;;
--force-lvm-probe)
forcelvm=1
;;
--omit-lvm-modules)
nolvm=1
;;
--omit-dmraid)
nodmraid=1
;;
--force-ide-probe)
forceide=1
;;
--image-version)
img_vers=yes
;;
--allow-missing)
allowmissing=yes
;;
--noresume)
noresume=1
;;
--help)
usage -n
;;
*)
if [ -z "$target" ]; then
target=$1
elif [ -z "$kernel" ]; then
kernel=$1
else
usage
fi
;;
esac
shift
done
if [ -z "$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
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 [ $UID != 0 ]; then
error "$cmdname 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 $n
done
vecho "Using modules:$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 $UUID"
fi
emit "echo \"$(/sbin/dmsetup table $1)\" | /sbin/dmsetup.static create \"$1\" $UUID"
}
emitdms()
{
[ -z "$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 "$NAME"
;;
part)
emit /sbin/kpartx.static -pp -a \"/dev/mapper/$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`
USE_SSH=`echo $location | grep @`
if [ -n "$USE_SSH" ]; then
USING_METHOD="ssh"
else
USING_METHOD="nfs"
fi
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" && exit 1
#the field in the ip output changes if we go to another subnet
OFF_SUBNET=`echo $netdev | grep via`
if [ -n "$OFF_SUBNET" ]
then
# we are going to a different subnet
netdev=`echo $netdev|awk '{print $5;}'|head -n 1`
else
# we are on the same subnet
netdev=`echo $netdev|awk '{print $3}'|head -n 1`
fi
#add the ethernet device to the list of modules
mkdir -p $MNTIMAGE/etc/network/
handlenetdev $netdev
echo $netdev >> $MNTIMAGE/etc/iface_to_activate
#load nfs modules, if needed
echo $location | grep -v "@" > /dev/null && findmodule nfs
;;
raw)
USING_METHOD="raw"
if (echo $location | egrep -q "^(LABEL|UUID)="); then
location=$(findfs $location)
fi
handlelvordev $location
;;
core_collector)
if [ -x /sbin/makedumpfile ]; then
CORE_COLLECTOR=$location
CORE_COLLECTOR=`echo $CORE_COLLECTOR | sed -e's/makedumpfile/makedumpfile -i \/etc\/makedumpfile.config/'`
else
echo "Cannot use the core_collector option on this arch"
rm -rf $MNTIMAGE
rm -rf $IMAGE
exit 1
fi
;;
path)
SAVE_PATH=$location
;;
link_delay)
LINK_DELAY=$location
;;
default)
DEFAULT_ACTION=$location
;;
*)
IS_COMMENT=`echo $type | grep ^#.*$`
if [ -n "$IS_COMMENT" -o -z "$location" ]
then
#don't process comments or blank line
continue
fi
USING_METHOD="filesystem"
if (echo $location | egrep -q "^(LABEL|UUID)="); then
location=$(findfs $location)
fi
handlelvordev $location
;;
esac
done < $KDUMP_CONFIG_FILE
fi
if [ -n "$CORE_COLLECTOR" ]; then
if [ "$USING_METHOD" == "ssh" ] || [ "$USING_METHOD" == "raw" ]; then
echo "You may only use alternate core collectors with the NFS and Local Filesystem targets"
rm -rf $MNTIMAGE
rm -rf $IMAGE
exit 1
fi
if [ -z "$USING_METHOD" ]
then
echo "Warning! Lack of dump target specification means core_collector option is ignored!"
CORE_COLLECTOR=""
fi
fi
#START BUILDING INITRD HERE
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/tmp
mkdir -p $MNTIMAGE/sysroot
mkdir -p $MNTIMAGE/modules
mkdir -p $MNTIMAGE/usr/share/udhcpc
mkdir -p $MNTIMAGE/var/run
mkdir -p $MNTIMAGE/etc/network/if-pre-up.d
mkdir -p $MNTIMAGE/etc/network/if-up.d
mkdir -p $MNTIMAGE/etc/network/if-pre-down.d
mkdir -p $MNTIMAGE/etc/network/if-down.d
mkdir -p $MNTIMAGE/etc/network/if-post-down.d
ln -s bin $MNTIMAGE/sbin
#if we are using makedumpfile here, then generate the config file
if [ -n "$CORE_COLLECTOR" ]; then
RUN_KERN_VER=`uname -r`
if [ ! -f /usr/lib/debug/lib/modules/$RUN_KERN_VER/vmlinux ]
then
echo "kernel-debuginfo-$RUN_KERN_VER is not installed. You need this to use makedumpfile!"
echo "please install it and restart the kdump service"
rm -rf $MNTIMAGE
rm -rf $IMAGE
exit 1
fi
/sbin/makedumpfile -g $MNTIMAGE/etc/makedumpfile.config -x /usr/lib/debug/lib/modules/$RUN_KERN_VER/vmlinux > /dev/null
if [ $? != 0 ]; then
echo "could not generate makedumpfile configuration. aborting"
rm -rf $MNTIMAGE
rm -rf $IMAGE
exit 1;
fi
fi
#copy in busybox and make symlinks to its supported utilities
cp /sbin/busybox $MNTIMAGE/sbin/busybox
cd $MNTIMAGE/sbin
for i in `/sbin/busybox |
awk 'BEGIN {found=0} /.*/ { if (found) print $0 } /Currently/ {found=1}' |
sed -e's/,//g' -e's/busybox//g'`
do
ln -s busybox $MNTIMAGE/sbin/$i
done
cd - > /dev/null 2>&1
#THIS IS WHERE WE GENERATE OUR ADDITINONAL UTILITIES
#Busybox doesn't have a /bin/sh applet,
#so we build a reasonable faximilie here
cat >> $MNTIMAGE/bin/sh << EOF
#!/bin/msh
#drop the -c from the command line
shift 1
#now execute the passed command
#don't exec this or $@ won't work
/bin/msh -c "\$@"
EOF
chmod 755 $MNTIMAGE/bin/sh
cat >> $MNTIMAGE/usr/share/udhcpc/default.script << EOF
#!/bin/msh
[ -z "\$1" ] && echo "Error: should be called from udhcpc" && exit 1
case "\$1" in
deconfig)
/sbin/ifconfig \$interface 0.0.0.0
;;
renew|bound)
/sbin/ifconfig \$interface \$ip netmask \$subnet
if [ -n "\$router" ] ; then
echo "deleting routers"
while route del default gw 0.0.0.0 dev \$interface ; do
:
done
for i in \$router ; do
route add default gw \$i dev \$interface
done
fi
echo -n > /etc/resolv.conf
[ -n "\$domain" ] && echo search $domain >> /etc/resolv.conf
for i in \$dns ; do
echo adding dns \$i
echo nameserver \$i >> /etc/resolv.conf
done
;;
esac
exit 0
EOF
#NETWORKING SCRIPT DIRECTORIES
cat >> $MNTIMAGE/etc/network/if-pre-up.d/pre-up-script << EOF
#!/bin/msh
PATH=\$PATH:/scriptfns
. /etc/ifcfg-\$IFACE
LINK_DELAY=$LINK_DELAY
if [ "\$BUS_ID" != "Vlan" ]
then
ifconfig \$IFACE up
if [ -n "\$LINK_DELAY" ]
then
echo "\$IFACE Link Up. Waiting \$LINK_DELAY Seconds"
sleep \$LINK_DELAY
echo "Continuing"
fi
fi
if [ "\$BUS_ID" == "Bonding" ]
then
#this is a bond find and bring up the slaves
echo searching for slaves
find_activate_slaves \$IFACE
elif [ "\$BUS_ID" == "Vlan" ]
then
#bring up the base interface first
BASE_DEV=\`echo \$IFACE | cut -d"." -f1\`
VLAN_ID=\`echo \$IFACE | cut -d"." -f2\`
ifconfig \$BASE_DEV up
if [ -n "\$LINK_DELAY" ]
then
echo "\$IFACE Link Up. Waiting \$LINK_DELAY Seconds"
sleep \$LINK_DELAY
echo "Continuing"
fi
vconfig add \$BASE_DEV \$VLAN_ID
ifconfig \$IFACE up
fi
exit 0
EOF
for i in `ls $MNTIMAGE/etc/network/if-pre-up.d`
do
chmod 755 $MNTIMAGE/etc/network/if-pre-up.d/$i
done
cat >> $MNTIMAGE/etc/network/if-up.d/up-script << EOF
#!/bin/msh
PATH=\$PATH:/scriptfns
if [ "\$METHOD" != "dhcp" ]
then
. /etc/ifcfg-\$IFACE
ifconfig \$IFACE \$IPADDR netmask \$NETMASK
route add default gw \$GATEWAY dev \$IFACE
fi
exit 0
EOF
for i in `ls $MNTIMAGE/etc/network/if-up.d`
do
chmod 755 $MNTIMAGE/etc/network/if-up.d/$i
done
chmod 755 $MNTIMAGE/usr/share/udhcpc/default.script
# WE DONT HAVE FUNCTIONS AVAILABLE IN MSH
# SO WE IMPLEMENT THEM HERE AS scripts
SCRIPTDIR=$MNTIMAGE/scriptfns
mkdir -p $SCRIPTDIR
cat >> $SCRIPTDIR/map_interface << EOF
#!/bin/msh
if [ -e /tmp/tmpcnt ]
then
TMPCNT=\`cat /tmp/tmpcnt\`
else
TMPCNT=0
fi
#erase previously recorded map
RENAMED=""
REAL_DEV=""
NETDEV=\$1
. /etc/ifcfg-\$NETDEV
for j in \`ifconfig -a | awk '/.*Link encap.*/ {print \$1}'\`
do
case "\$BUS_ID" in
Bonding)
REAL_DEV=bond0
RENAMED="yes"
;;
Vlan)
BASE_DEV=\`echo \$NETDEV | cut -d"." -f1\`
VLAN_ID=\`echo \$NETDEV | cut -d"." -f2\`
REAL_BASE=\`grep "^\$BASE_DEV " /etc/iface_map | cut -d" " -f2\`
#Note we add the \ to our vlan values to escape the . for sed-ability
#Note we also convert . to _ to avoid problems with busybox ifup
REAL_DEV=\$REAL_BASE\\\\.\$VLAN_ID
NETDEV=\$BASE_DEV\\\\.\$VLAN_ID
RENAMED="yes"
;;
*)
INFO=\`ls -l /sys/class/net/\$j/device 2>/dev/null | sed -e's/\\(.*\\/\\)\\(.*$\\)/\\2/'\`
if [ "\$INFO" == "\$BUS_ID" -a -z "\$REAL_DEV" ]
then
REAL_DEV=\$j
RENAMED="yes"
fi
;;
esac
done
if [ -z "\$RENAMED" ]
then
echo "Could not find a mapping for device \$NETDEV"
exit 1
fi
#build the interface rename map
echo \$NETDEV \$REAL_DEV tmp\$TMPCNT >> /etc/iface_map
TMPCNT=\`echo \$TMPCNT 1 + p | dc\`
echo \$TMPCNT > /tmp/tmpcnt
echo mapping \$NETDEV to \$REAL_DEV
EOF
cat >> $SCRIPTDIR/rename_interfaces << EOF
#!/bin/msh
MAP_COUNT=\`wc -l /etc/iface_map | cut -d" " -f7 \`
#now do all the renaming - first to temp space
for j in \`seq 1 1 \$MAP_COUNT\`
do
CURRENT=\`awk -v MATCH=\$j '{if (NR == MATCH) print \$1}' /etc/iface_map\`
NEW=\`awk -v MATCH=\$j '{if (NR == MATCH) print \$2}' /etc/iface_map\`
INTERIM=\`awk -v MATCH=\$j '{if (NR == MATCH) print \$3}' /etc/iface_map\`
mv /etc/ifcfg-\$CURRENT /etc/ifcfg-\$INTERIM
for i in /etc/ifcfg-\$INTERIM /etc/iface_to_activate /etc/network/interfaces
do
# the double quotes lets us expand the variables
sed -e"s/\$CURRENT/\$INTERIM/g" \$i > \$i.tmp
mv \$i.tmp \$i
done
done
for j in \`seq 1 1 \$MAP_COUNT\`
do
CURRENT=\`awk -v MATCH=\$j '{if (NR == MATCH) print \$1}' /etc/iface_map\`
NEW=\`awk -v MATCH=\$j '{if (NR == MATCH) print \$2}' /etc/iface_map\`
INTERIM=\`awk -v MATCH=\$j '{if (NR == MATCH) print \$3}' /etc/iface_map\`
mv /etc/ifcfg-\$INTERIM /etc/ifcfg-\$NEW
for i in /etc/ifcfg-\$NEW /etc/iface_to_activate /etc/network/interfaces
do
# the double quotes lets us expand the variables
sed -e"s/\$INTERIM/\$NEW/g" \$i > \$i.tmp
mv \$i.tmp \$i
done
done < /etc/iface_map
exit 0
EOF
cat >> $SCRIPTDIR/find_activate_slaves << EOF
#!/bin/msh
BOND_MASTER=\$1
for j in \`ifconfig -a | awk '/.*Link encap.*/ {print \$1}'\`
do
MASTER=""
. /etc/ifcfg-\$j
if [ "\$MASTER" == "\$BOND_MASTER" ]
then
#this is a slave of the rising interface
echo enslaving \$j to \$BOND_MASTER
echo +\$j > /sys/class/net/\$BOND_MASTER/bonding/slaves
fi
done
EOF
#DONT ADD STUFF to SCRIPTDIR PAST HERE
for i in `ls $SCRIPTDIR/*`
do
chmod 755 $i
done
if [ -e /etc/fstab.sys ]; then
inst /etc/fstab.sys "$MNTIMAGE/etc/fstab.sys"
fi
#build a good passwd file
cat >> $MNTIMAGE/etc/passwd << EOF
root:x:0:0:root:/root:/bin/bash
EOF
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
cat >> $MNTIMAGE/init << EOF
#!/bin/msh
export PATH=$PATH:/scriptfns
mount -t proc /proc /proc
echo Mounting proc filesystem
echo Mounting sysfs filesystem
mount -t sysfs /sys /sys
echo 1 > /proc/sys/vm/dirty_background_ratio
echo 5 > /proc/sys/vm/dirty_ratio
echo 10 > /proc/sys/vm/dirty_writeback_centisecs
echo 50 > /proc/sys/vm/dirty_expire_centisecs
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
mknod /dev/urandom c 1 9
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"
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
# 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 "echo Creating Block Devices"
emit "for i in \`ls /sys/block\`; do"
emit " MAJOR_NUM=\`cat /sys/block/\$i/dev | cut -d":" -f1\`"
emit " MINOR_NUM=\`cat /sys/block/\$i/dev | cut -d":" -f2\`"
emit " MINOR_RANGE=\`cat /sys/block/\$i/range | cut -d":" -f2\`"
emit " echo Creating block device \$i"
emit " mknod /dev/\$i b \$MAJOR_NUM \$MINOR_NUM"
emit " if [ \"\$MINOR_RANGE\" -gt 1 ]"
emit " then"
emit " MINOR_END=\`echo \$MINOR_NUM \$MINOR_RANGE + p | dc\`"
emit " MINOR_START=\`echo \$MINOR_NUM 1 + p | dc\`"
emit " PART_NUM=1"
emit " for j in \`seq \$MINOR_START 1 \$MINOR_END\`"
emit " do"
emit " if [ ! -e /dev/\$i\$PART_NUM ]"
emit " then"
emit " mknod /dev/\$i\$PART_NUM b \$MAJOR_NUM \$j"
emit " fi"
emit " PART_NUM=\`expr \$PART_NUM + 1\`"
emit " done"
emit " fi"
emit "done"
if [ -n "$vg_list" ]; then
emit "echo Making device-mapper control node"
emit "DM_MAJ=\`cat /proc/devices | grep misc | cut -d\" \" -f2\`"
emit "DM_MIN=\`cat /proc/misc | grep device-mapper | cut -d\" \" -f2\`"
emit "mknod /dev/mapper/control b \$DM_MAJ \$DM_MIN"
fi
if [ -n "$net_list" ]; then
for netdev in $net_list; do
emit "echo Bringing up $netdev"
handle_netdev $netdev
#emit $network
done
fi
emitdms
if [ -n "$raiddevices" ]; then
for dev in $raiddevices; do
cp -a /dev/${dev} $MNTIMAGE/dev
emit "\#need code here to set up md devs"
done
fi
if [ -n "$vg_list" ]; then
emit "echo Scanning logical volumes"
emit "lvm vgscan --ignorelockingfailure --mknodes"
emit "echo Activating logical volumes"
emit "lvm vgchange -a y --ignorelockingfailure"
emit "DM_NUM=0"
emit "for i in \`lvm lvs | awk '{ if (NR > 1) print \$1}'\`"
emit "do"
emit " VGRP=\`lvm lvs | grep \$i | cut -d\" \" -f4\`"
emit " mkdir -p /dev/\$VGRP"
emit " if [ ! -e /dev/\$VGRP/\$i ]"
emit " then"
emit " ln -s /dev/mapper/\$VGRP-\$i /dev/\$VGRP/\$i"
emit " ln -s /dev/mapper/\$VGRP-\$i /dev/dm-\$DM_NUM"
emit " DM_NUM=\`echo \$DM_NUM 1 + p | dc\`"
emit " if [ -z \"\$noresume\" ]"
emit " then"
emit " /sbin/dmsetup.static resume /dev/mapper/\$VGRP-\$i"
emit " fi"
emit " fi"
emit "done"
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
cp /etc/sysconfig/clock $MNTIMAGE/etc
emit ". /etc/clock"
emit " if [ \"\$UTC\" == "true" ]"
emit " then"
emit " TIME_FORMAT=-u"
emit " else"
emit " TIME_FORMAT=-l"
emit "fi"
emit "hwclock --hctosys \$TIME_FORMAT"
emit "DATE=\`date +%Y-%m-%d-%T\`"
bin="/sbin/dmsetup.static /sbin/kpartx.static"
if [ -n "$CORE_COLLECTOR" ]; then
bin="$bin /sbin/makedumpfile"
fi
#ssh, scp require libraries that aren't found with ldd
ARCH=`uname -m`
lib=/lib && [ -d "/lib64" -a "$ARCH" != "ppc64" ] && lib=/lib64
k_extras="/$lib/libnss_compat.so.2 /$lib/libnss_files.so.2"
#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"
#check for available size is greater than $memtotal
available_size=$(fdisk -s $location)
if [ $available_size -lt $memtotal ]; then
echo "Warning: There is not space enough to save a vmcore."
echo " The size of $location should be much greater than $memtotal bytes."
fi
#setup raw case
emit "echo Saving to partition $location"
emit "dd if=/proc/vmcore of=$location"
emit "if [ \$? == 0 ]"
emit "then"
emit " reboot -f"
emit "fi"
;;
net)
#build an /etc/passwd for scp to work properly
grep "^root" /etc/passwd > $MNTIMAGE/etc/passwd
# bring up the network
emit "for i in \`ls /etc/ifcfg-*\`"
emit "do"
emit " NETDEV=\`echo \$i | cut -d\"-\" -f2\`"
emit " map_interface \$NETDEV"
emit "done"
emit "rename_interfaces"
emit "IFACE=\`cat /etc/iface_to_activate\`"
emit "ifup \$IFACE"
#lets make sure we're up
emit "IFADDR=\`ifconfig \$IFACE | awk '/inet addr/ {print \$2}' | cut -d\":\" -f 2\`"
emit "if [ -z \"\$IFADDR\" ]"
emit "then"
emit " echo \"\$IFACE failed to come up\""
if [ "$DEFAULT_ACTION" == "shell" ]
then
emit " echo \"Dropping to shell. exit to reboot\""
emit " /bin/msh"
emit " reboot -f"
elif [ "$DEFAULT_ACTION" == "reboot" ]
then
emit " reboot -f"
fi
emit "fi"
#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" && exit 1
OFF_SUBNET=`echo $netdev | grep via`
if [ -n "$OFF_SUBNET" ]
then
# we are going to a different subnet
lhost=`echo $netdev|awk '{print $7}'|head -n 1`
else
# we are on the same subnet
lhost=`echo $netdev|awk '{print $5}'|head -n 1`
fi
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 $tmnt/$SAVE_PATH
tdir=`mktemp -dqp $tmnt/$SAVE_PATH`
available_size=$(df $tdir | tail -1 | tr -s ' ' ':' | cut -d: -f4)
rc=$? && rm -rf $tdir
umount $tmnt
if [ $? != 0 ]; then
echo "Cannot unmount the temporary directory"
exit 1
fi
rm -rf $tmnt
if [ $rc != "0" ]; then
echo "Cannot create directory in $location: $SAVE_PATH"
exit 1
fi
if [ -z "$CORE_COLLECTOR" ]; then
CORE_COLLECTOR="cp"
fi
#check for available size is greater than $memtotal
if [ $available_size -lt $memtotal ]; then
echo "Warning: There is not space enough to save a vmcore."
echo " The size of $location should be much greater than $memtotal bytes."
fi
#setup nfs case
mkdir -p $MNTIMAGE/mnt
emit "mount -t nfs -o nolock $rlocation /mnt"
emit "if [ \$? == 0 ]"
emit "then"
emit " mkdir -p /mnt/$SAVE_PATH/$lhost-\$DATE"
emit " $CORE_COLLECTOR /proc/vmcore /mnt/$SAVE_PATH/$lhost-\$DATE/vmcore-incomplete"
emit " if [ \$? == 0 ]"
emit " then"
emit " mv /mnt/$SAVE_PATH/$lhost-\$DATE/vmcore-incomplete /mnt/$SAVE_PATH/$lhost-\$DATE/vmcore"
emit " umount /mnt"
emit " reboot -f"
emit " fi"
emit " umount /mnt"
emit "fi"
else
#SSH path
#rebuild $location replacing machine name with ip address
bin="$bin /usr/bin/ssh /usr/bin/scp"
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 $SAVE_PATH </dev/null" \
"Could not create $location:$SAVE_PATH, you probably need to run \"service kdump propagate\""
tdir=`ssh -q $s_opts $rlocation mktemp -dqp $SAVE_PATH </dev/null`
if [ $? != "0" ]; then
echo "$KDUMP_CONFIG_FILE: Could not create temp directory in $location:$SAVE_PATH"
exit 1
fi
remote_df=`ssh -q $s_opts $rlocation df $tdir`
available_size=$(echo $remote_df | tail -1 | tr -s ' ' '|' | cut -d\| -f10)
#check for available size is greater than $memtotal
if [ $available_size -lt $memtotal ]; then
echo "Warning: There is not space enough to save a vmcore."
echo " The size of $rlocation:$tdir should be much greater than $memtotal bytes."
fi
#We do this to remove the temp directory from above
ssh -q $s_opts $rlocation rmdir $tdir
#setup ssh case, quick check to see if setup already
if [ ! -r $MNTIMAGE/dev/urandom ]; then
#only need to do these once
mkdir -p $MNTIMAGE/root
cp -a /root/.ssh $MNTIMAGE/root/
cp -a /etc/ssh $MNTIMAGE/etc
mknod $MNTIMAGE/dev/urandom c 1 9
fi
emit "dd if=/dev/mem of=/dev/urandom count=1 bs=512 skip=100"
emit "ssh -q -o BatchMode=yes -o StrictHostKeyChecking=no $rlocation mkdir $SAVE_PATH/$lhost-\$DATE"
emit "scp -q -o BatchMode=yes -o StrictHostKeyChecking=no /proc/vmcore $rlocation:$SAVE_PATH/$lhost-\$DATE/vmcore-incomplete"
emit "if [ \$? == 0 ]"
emit "then"
emit " ssh -q -o BatchMode=yes -o StrictHostKeyChecking=no $rlocation mv $SAVE_PATH/$lhost-\$DATE/vmcore-incomplete $SAVE_PATH/$lhost-\$DATE/vmcore"
emit " reboot -f"
emit "fi"
fi
;;
core_collector)
;;
default)
;;
link_delay)
;;
path)
;;
*)
#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 $location"
mkdir -p /mnt/$SAVE_PATH
tdir=`mktemp -dqp /mnt/$SAVE_PATH`
available_size=$(df $tdir | tail -1 | tr -s ' ' ':' | cut -d: -f4)
rc=$? && rm -rf $tdir && umount /mnt
if [ $rc != "0" ]; then
echo "Cannot create directory in $location: $SAVE_PATH"
exit 1
fi
#check for available size is greater than $memtotal
if [ $available_size -lt $memtotal ]; then
echo "Warning: There is not space enough to save a vmcore."
echo " The size of $location should be much greater than $memtotal bytes."
fi
#setup filesystem case
mkdir -p $MNTIMAGE/mnt
touch $MNTIMAGE/etc/mtab
if [ -z "$CORE_COLLECTOR" ]; then
CORE_COLLECTOR="cp"
fi
emit "echo Saving to the local filesystem $location"
emit "DUMPDEV=$location"
emit "IS_LABEL=\`echo \$DUMPDEV | grep LABEL\`"
emit "IS_UUID=\`echo \$DUMPDEV | grep UUID\`"
emit "if [ -n \"\$IS_LABEL\" -o -n \"\$IS_UUID\" ] "
emit "then"
emit " DUMPDEV=\`findfs \$DUMPDEV\`"
emit "fi"
emit "fsck.$type \$DUMPDEV"
emit "mount -t $type \$DUMPDEV /mnt"
emit "if [ \$? == 0 ]"
emit "then"
emit " mkdir -p /mnt/$SAVE_PATH/127.0.0.1-\$DATE"
emit " $CORE_COLLECTOR /proc/vmcore /mnt/$SAVE_PATH/127.0.0.1-\$DATE/vmcore-incomplete"
emit " if [ \$? == 0 ]"
emit " then"
emit " mv /mnt/$SAVE_PATH/127.0.0.1-\$DATE/vmcore-incomplete /mnt/$SAVE_PATH/127.0.0.1-\$DATE/vmcore"
emit " umount /mnt"
emit " reboot -f"
emit " fi"
emit "fi"
emit "umount /mnt"
;;
esac
done < $KDUMP_CONFIG_FILE
#now handle the default action
if [ "$DEFAULT_ACTION" == "shell" ]
then
emit "echo dropping to initramfs shell"
emit "echo exiting this shell will reboot your system"
emit "/bin/msh"
emit "reboot -f"
elif [ "$DEFAULT_ACTION" == "reboot" ]
then
emit "reboot -f"
fi
#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."
emit "#check to see if we have root= on the command line"
emit "ROOTDEV=\`cat /proc/cmdline | grep root=\`"
emit "if [ -n \"\$ROOTDEV\" ]"
emit "then"
emit " ROOTDEV=\`cat /proc/cmdline | sed 's/^.*root=//' | cut -d\" \" -f1\`"
emit " IS_LABEL=\`echo \$ROOTDEV | grep LABEL\`"
emit " IS_UUID=\`echo \$ROOTDEV | grep UUID\`"
emit " if [ -n \"\$IS_LABEL\" -o -n \"\$IS_UUID\" ] "
emit " then"
emit " ROOTDEV=\`findfs \$ROOTDEV\`"
emit " fi"
emit "else"
emit " #we need to get the root major/minor from real-root-dev"
emit " ROOT_DEV_NR=\`cat /proc/sys/kernel/real-root-dev\`"
emit " ROOT_MIN=\`echo \$ROOT_DEV_NR | sed -e's/\\([0-9a-f]\\{1,2\\}\\)\\([0-9a-f]\\{2\\}\\)/\\2/'\`"
emit " ROOT_MAJ=\`echo \$ROOT_DEV_NR | sed -e's/\\([0-9a-f]\\{1,2\\}\\)\\([0-9a-f]\\{2\\}\\)/\\1/'\`"
emit " mknod /dev/rootdev b 0x\$ROOT_MAJ 0x\$ROOT_MIN"
emit " ROOTDEV=/dev/rootdev"
emit "fi"
emit "echo Checking root filesystem."
emit "fsck \$ROOTDEV"
emit "echo Mounting root filesystem."
emit "FSTYPE=\`fsck -N \$ROOTDEV | awk '/.*sbin.*/ {print \$1}' | sed -e's/\\(^.*\\.\\)\\(.*\\)/\\2/'\`"
emit "fsck -t \$FSTYPE \$ROOTDEV"
emit "echo mount -t \$FSTYPE \$ROOTDEV /sysroot"
emit "mount -t \$FSTYPE \$ROOTDEV /sysroot"
emit "if [ \$? != 0 ]"
emit "then"
emit " echo unable to mount rootfs. Dropping to shell"
emit " /bin/msh"
emit "fi"
emit "#move various filesystems and prime the rootfs to boot properly"
emit "umount /proc"
emit "mount -t proc proc /sysroot/proc"
emit "umount /sys"
emit "mount -t sysfs sysfs /sysroot/sys"
emit "mount -o bind /dev /sysroot/dev"
emit "touch /sysroot/fastboot"
emit "echo Switching to new root and running init."
emit "exec switch_root /sysroot /sbin/init"
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