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|
#!/bin/sh
# set -e
mountroot ()
{
if [ -x /scripts/local-top/cryptroot ]
then
/scripts/local-top/cryptroot
fi
exec 6>&1
exec 7>&2
exec > boot.log
exec 2>&1
tail -f boot.log >&7 &
tailpid="${!}"
. /live.vars
_CMDLINE="$(cat /proc/cmdline)"
Cmdline
case "${LIVE_DEBUG}" in
true)
set -x
;;
esac
case "${LIVE_READ_ONLY}" in
true)
Read_only
;;
esac
Select_eth_device
# Needed here too because some things (*cough* udev *cough*)
# changes the timeout
if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
then
if do_netmount
then
livefs_root="${mountpoint}"
else
panic "Unable to find a live file system on the network"
fi
else
if [ -n "${ISCSI_PORTAL}" ]
then
do_iscsi && livefs_root="${mountpoint}"
elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
then
# Do a local boot from hd
livefs_root=${ROOT}
else
if [ -x /usr/bin/memdiskfind ]
then
MEMDISK=$(/usr/bin/memdiskfind)
if [ $? -eq 0 ]
then
# We found a memdisk, set up phram
modprobe phram phram=memdisk,${MEMDISK}
# Load mtdblock, the memdisk will be /dev/mtdblock0
modprobe mtdblock
fi
fi
# Scan local devices for the image
i=0
while [ "$i" -lt 60 ]
do
livefs_root=$(find_livefs ${i})
if [ -n "${livefs_root}" ]
then
break
fi
sleep 1
i="$(($i + 1))"
done
fi
fi
if [ -z "${livefs_root}" ]
then
panic "Unable to find a medium containing a live file system"
fi
case "${LIVE_VERIFY_CHECKSUMS}" in
true)
Verify_checksums "${livefs_root}"
;;
esac
if [ "${TORAM}" ]
then
live_dest="ram"
elif [ "${TODISK}" ]
then
live_dest="${TODISK}"
fi
if [ "${live_dest}" ]
then
log_begin_msg "Copying live media to ${live_dest}"
copy_live_to "${livefs_root}" "${live_dest}"
log_end_msg
fi
# if we do not unmount the ISO we can't run "fsck /dev/ice" later on
# because the mountpoint is left behind in /proc/mounts, so let's get
# rid of it when running from RAM
if [ -n "$FROMISO" ] && [ "${TORAM}" ]
then
losetup -d /dev/loop0
if is_mountpoint /live/fromiso
then
umount /live/fromiso
rmdir --ignore-fail-on-non-empty /live/fromiso \
>/dev/null 2>&1 || true
fi
fi
if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
then
setup_unionfs "${livefs_root}" "${rootmnt}"
else
mac="$(get_mac)"
mac="$(echo ${mac} | sed 's/-//g')"
mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
fi
if [ -n "${ROOT_PID}" ]
then
echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
fi
log_end_msg
# unionfs-fuse needs /dev to be bind-mounted for the duration of
# live-bottom; udev's init script will take care of things after that
case "${UNIONTYPE}" in
unionfs-fuse)
mount -n -o bind /dev "${rootmnt}/dev"
;;
esac
# Move to the new root filesystem so that programs there can get at it.
if [ ! -d /root/live/image ]
then
mkdir -p /root/live/image
mount --move /live/image /root/live/image
fi
# aufs2 in kernel versions around 2.6.33 has a regression:
# directories can't be accessed when read for the first the time,
# causing a failure for example when accessing /var/lib/fai
# when booting FAI, this simple workaround solves it
ls /root/* >/dev/null 2>&1
# Move findiso directory to the new root filesystem so that programs there can get at it.
if [ -d /live/findiso ] && [ ! -d /root/live/findiso ]
then
mkdir -p /root/live/findiso
mount -n --move /live/findiso /root/live/findiso
fi
# if we do not unmount the ISO we can't run "fsck /dev/ice" later on
# because the mountpoint is left behind in /proc/mounts, so let's get
# rid of it when running from RAM
if [ -n "$FINDISO" ] && [ "${TORAM}" ]
then
losetup -d /dev/loop0
if is_mountpoint /root/live/findiso
then
umount /root/live/findiso
rmdir --ignore-fail-on-non-empty /root/live/findiso \
>/dev/null 2>&1 || true
fi
fi
if [ -f /etc/resolv.conf ] && [ ! -s ${rootmnt}/etc/resolv.conf ]
then
log_begin_msg "Copying /etc/resolv.conf to ${rootmnt}/etc/resolv.conf"
cp -v /etc/resolv.conf ${rootmnt}/etc/resolv.conf
log_end_msg
fi
if ! [ -d "/lib/live/boot" ]
then
panic "A wrong rootfs was mounted."
fi
Fstab
Netbase
case "${LIVE_SWAPON}" in
true)
Swapon
;;
esac
case "${UNIONFS}" in
unionfs-fuse)
umount "${rootmnt}/dev"
;;
esac
exec 1>&6 6>&-
exec 2>&7 7>&-
kill ${tailpid}
[ -w "${rootmnt}/var/log/" ] && mkdir -p "${rootmnt}/var/log/live" && cp boot.log "${rootmnt}/var/log/live" 2>/dev/null
}
|
