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|
#!/bin/sh
# set -e
Live ()
{
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="${!}"
LIVE_BOOT_CMDLINE="${LIVE_BOOT_CMDLINE:-$(cat /proc/cmdline)}"
Cmdline_old
Debug
Read_only
Select_eth_device
if [ -e /conf/param.conf ]
then
. /conf/param.conf
fi
# Needed here too because some things (*cough* udev *cough*)
# changes the timeout
if [ ! -z "${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}
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 "${livefs_root}" ]
then
panic "Unable to find a medium containing a live file system"
fi
Verify_checksums "${livefs_root}"
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" ] && [ "${TORAM}" ]
then
losetup -d /dev/loop0
if is_mountpoint /run/live/fromiso
then
umount /run/live/fromiso
rmdir --ignore-fail-on-non-empty /run/live/fromiso \
>/dev/null 2>&1 || true
fi
fi
if [ -n "${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}" > "${rootmnt}"/lib/live/root.pid
fi
log_end_msg
# aufs2 in kernel versions around 2.6.33 has a regression:
# directories can't be accessed when read for the first the time,
# causing a failure for example when accessing /var/lib/fai
# when booting FAI, this simple workaround solves it
ls /root/* >/dev/null 2>&1
# if we do not unmount the ISO we can't run "fsck /dev/ice" later on
# because the mountpoint is left behind in /proc/mounts, so let's get
# rid of it when running from RAM
if [ -n "$FINDISO" ] && [ "${TORAM}" ]
then
losetup -d /dev/loop0
if is_mountpoint /run/live/findiso
then
umount /run/live/findiso
rmdir --ignore-fail-on-non-empty /run/live/findiso \
>/dev/null 2>&1 || true
fi
fi
if [ -L /root/etc/resolv.conf ] ; then
# assume we have resolvconf
DNSFILE="${rootmnt}/etc/resolvconf/resolv.conf.d/base"
else
DNSFILE="${rootmnt}/etc/resolv.conf"
fi
if [ -f /etc/resolv.conf ] && ! grep -E -q -v '^[[:space:]]*#|^[[:space:]]*$' ${DNSFILE}
then
log_begin_msg "Copying /etc/resolv.conf to ${DNSFILE}"
cp -v /etc/resolv.conf ${DNSFILE}
log_end_msg
fi
if ! [ -d "/lib/live/boot" ]
then
panic "A wrong rootfs was mounted."
fi
# avoid breaking existing user scripts that rely on the old path
# this includes code that checks what is mounted on /lib/live/mount/*
# (eg: grep /lib/live /proc/mount)
# XXX: to be removed before the bullseye release
mkdir -p ${rootmnt}/lib/live/mount
mount --rbind /run/live ${rootmnt}/lib/live/mount
Fstab
Netbase
Swap
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; \
cp fsck.log "${rootmnt}/var/log/live" 2>/dev/null )
}
|
