touch /etc/mtab
fi
-[ -f /etc/live.conf ] && . /etc/live.conf
-export USERNAME USERFULLNAME HOSTNAME
-
. /scripts/live-helpers
if [ ! -f /live.vars ]
case "${ARGUMENT}" in
skipconfig)
NOACCESSIBILITY="Yes"
- NOAPTCDROM="Yes"
- NOAUTOLOGIN="Yes"
- NOCONSOLEKEYBOARD="Yes"
NOFASTBOOT="Yes"
NOFSTAB="Yes"
- NOHOSTS="Yes"
NONETWORKING="Yes"
- NOTIMEZONE="Yes"
- NOXAUTOCONFIG="Yes"
- NOXAUTOLOGIN="Yes"
- export NOACCESSIBILITY NOAPTCDROM NOAUTOLOGIN NOCONSOLEKEYBOARD NOFASTBOOT NOFSTAB NOHOSTS NONETWORKING NOTIMEZONE NOXAUTOCONFIG NOXAUTOLOGIN
+ export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
;;
access=*)
set -x
;;
- ethdevice=*)
- DEVICE="${ARGUMENT#ethdevice=}"
- export DEVICE
+ dhcp)
+ # Force dhcp even while netbooting
+ # Use for debugging in case somebody works on fixing dhclient
+ DHCP="Force";
+ export DHCP
+ ;;
+
+ nodhcp)
+ unset DHCP
;;
ethdevice=*)
- ETHDEVICE="${ARGUMENT#ethdevice=}"
- export ETHDEVICE
+ DEVICE="${ARGUMENT#ethdevice=}"
+ ETHDEVICE="${DEVICE}"
+ export DEVICE ETHDEVICE
;;
ethdevice-timeout=*)
httpfs=*)
HTTPFS="${ARGUMENT#httpfs=}"
export HTTPFS
+ ;;
+
+ iscsi=*)
+ ISCSI="${ARGUMENT#iscsi=}"
+ #ip:port - separated by ;
+ ISCSI_PORTAL="${ISCSI%;*}"
+ if echo "${ISCSI_PORTAL}" | grep -q , ; then
+ ISCSI_SERVER="${ISCSI_PORTAL%,*}"
+ ISCSI_PORT="${ISCSI_PORTAL#*,}"
+ fi
+ #target name
+ ISCSI_TARGET="${ISCSI#*;}"
+ export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
;;
isofrom=*|fromiso=*)
export FROMISO
;;
- username=*)
- USERNAME="${ARGUMENT#username=}"
- LIVECONF="changed"
- export USERNAME LIVECONF
- ;;
-
- userfullname=*)
- USERFULLNAME="${ARGUMENT#userfullname=}"
- LIVECONF="changed"
- export USERFULLNAME LIVECONF
- ;;
-
ignore_uuid)
IGNORE_UUID="Yes"
export IGNORE_UUID
export STATICIP
;;
- keyb=*|kbd-chooser/method=*)
- KBD="${ARGUMENT#*=}"
- export KBD
- ;;
-
- klayout=*|console-setup/layoutcode=*)
- KLAYOUT="${ARGUMENT#*=}"
- export KLAYOUT
- ;;
-
- kvariant=*|console-setup/variantcode=*)
- KVARIANT="${ARGUMENT#*=}"
- export KVARIANT
- ;;
-
- kmodel=*|console-setup/modelcode=*)
- KMODEL="${ARGUMENT#*=}"
- export KMODEL
- ;;
-
- koptions=*)
- KOPTIONS="${ARGUMENT#koptions=}"
- export KOPTIONS
- ;;
-
live-getty)
LIVE_GETTY="1"
export LIVE_GETTY
export NOACCESSIBILITY
;;
- noaptcdrom)
- NOAPTCDROM="Yes"
- export NOAPTCDROM
- ;;
-
- noautologin)
- NOAUTOLOGIN="Yes"
- export NOAUTOLOGIN
- ;;
-
- noxautologin)
- NOXAUTOLOGIN="Yes"
- export NOXAUTOLOGIN
- ;;
-
- noconsolekeyboard)
- NOCONSOLEKEYBOARD="Yes"
- export NOCONSOLEKEYBOARD
- ;;
-
nofastboot)
NOFASTBOOT="Yes"
export NOFASTBOOT
export NOFSTAB
;;
- nohosts)
- NOHOSTS="Yes"
- export NOHOSTS
- ;;
-
nonetworking)
NONETWORKING="Yes"
export NONETWORKING
export SWAPON
;;
- noxautoconfig)
- NOXAUTOCONFIG="Yes"
- export NOXAUTOCONFIG
- ;;
-
- noxscreensaver)
- NOXSCREENSAVER="Yes"
- export NOXSCREENSAVER
- ;;
-
persistent)
PERSISTENT="Yes"
export PERSISTENT
export SILENT
;;
- textonly)
- TEXTONLY="Yes"
- export TEXTONLY
- ;;
-
- timezone=*)
- TIMEZONE="${ARGUMENT#timezone=}"
- export TIMEZONE
- ;;
-
- notimezone)
- NOTIMEZONE="Yes"
- export NOTIMEZONE
- ;;
-
todisk=*)
TODISK="${ARGUMENT#todisk=}"
export TODISK
UNIONTYPE="${ARGUMENT#union=}"
export UNIONTYPE
;;
-
- xdebconf)
- XDEBCONF="Yes"
- export XDEBCONF
- ;;
-
- xdriver=*)
- XDRIVER="${ARGUMENT#xdriver=}"
- export XDRIVER
- ;;
-
- xvideomode=*)
- XVIDEOMODE="${ARGUMENT#xvideomode=}"
- export XVIDEOMODE
- ;;
esac
done
{
sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
+ if /lib/udev/path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
then
return 0
elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
elif echo ${sysfs_path} | grep -q "^/block/dm-"
then
return 0
+ elif echo ${sysfs_path} | grep -q "^/block/mtdblock"
+ then
+ return 0
fi
return 1
return 0
}
-do_netmount ()
+do_netsetup ()
{
modprobe -q af_packet # For DHCP
[ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
export HOSTNAME
+ if [ -n "${DEVICE}" ]
+ then
+ HWADDR="$(cat /sys/class/net/${DEVICE}/address)"
+ fi
+
+ if [ ! -e "/etc/resolv.conf" ]
+ then
+ echo "Creating /etc/resolv.conf"
+
+ if [ -n "${DNSDOMAIN}" ]
+ then
+ echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
+ echo "search ${DNSDOMAIN}" > /etc/resolv.conf
+ fi
+
+ for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
+ do
+ echo "nameserver $i" >> /etc/resolv.conf
+ done
+ fi
+
# Check if we have a network device at all
if ! ls /sys/class/net/"$DEVICE" > /dev/null 2>&1 && \
! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
then
panic "No supported network device found, maybe a non-mainline driver is required."
fi
+}
+
+do_netmount()
+{
+ do_netsetup
if [ "${NFSROOT}" = "auto" ]
then
return ${rc}
}
+do_iscsi()
+{
+ do_netsetup
+ #modprobe ib_iser
+ modprobe iscsi_tcp
+ local debugopt=""
+ [ "${DEBUG}" == "Yes" ] && debugopt="-d 8"
+ #FIXME this name is supposed to be unique - some date + ifconfig hash?
+ ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
+ export ISCSI_INITIATORNAME
+ if [ -n "${ISCSI_SERVER}" ] ; then
+ iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
+ else
+ iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
+ fi
+ if [ $? != 0 ]
+ then
+ panic "Failed to log into iscsi target"
+ fi
+ local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
+ /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
+ if [ -n "${host}" ]
+ then
+ local devices=""
+ local i=0
+ while [ -z "${devices}" -a $i -lt 60 ]
+ do
+ sleep 1
+ devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
+ /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
+ i=$(expr $i + 1)
+ echo -ne $i\\r
+ done
+ for dev in $devices
+ do
+ if check_dev "null" "/dev/$dev"
+ then
+ NETBOOT="iscsi"
+ export NETBOOT
+ return 0;
+ fi
+ done
+ panic "Failed to locate a live device on iSCSI devices (tried: $devices)."
+ else
+ panic "Failed to locate iSCSI host in /sys"
+ fi
+}
+
do_httpmount ()
{
rc=1
fi
modprobe fuse
$FUSE_MOUNT "${url}" "${dest}"
+ ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
fi
[ ${?} -eq 0 ] && rc=0
[ "${extension}" = "tgz" ] && live_dest="ram"
if [ -b "${fromdev}" ]
then
+ log_success_msg "Copying snapshot ${fromdev} to ${todir}..."
+
# look for free mem
if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
then
return 0
else
- return 1
-
log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+ return 1
fi
}
{
# Look for ${snap_label}.* in block devices
snap_label="${1}"
+ black_listed_devices="${2}"
if [ "${PERSISTENT}" != "nofiles" ]
then
# search for image files
- snapdata=$(find_files "${PERSISTENT_PATH}${snap_label}.squashfs ${PERSISTENT_PATH}${snap_label}.cpio.gz ${PERSISTENT_PATH}${snap_label}.ext2 ${PERSISTENT_PATH}${snap_label}.ext3 ${PERSISTENT_PATH}${snap_label}.ext4 ${PERSISTENT_PATH}${snap_label}.jffs2")
+ snapdata=$(find_files "${PERSISTENT_PATH}${snap_label}.squashfs ${PERSISTENT_PATH}${snap_label}.cpio.gz ${PERSISTENT_PATH}${snap_label}.ext2 ${PERSISTENT_PATH}${snap_label}.ext3 ${PERSISTENT_PATH}${snap_label}.ext4 ${PERSISTENT_PATH}${snap_label}.jffs2" "${black_listed_devices}")
fi
if [ -z "${snapdata}" ]
then
- snapdata=$(find_cow_device "${snap_label}")
+ snapdata=$(find_cow_device "${snap_label}" "${black_listed_devices}")
fi
echo "${snapdata}"
}
snapdata="${1}"
snap_mount="${2}"
snap_type="${3}"
+ snap_relpath="${4}"
+
+ if [ -z "${snap_relpath}" ]
+ then
+ # root snapshot, default usage
+ snap_relpath="/"
+ else
+ # relative snapshot (actually used just for "/home" snapshots)
+ snap_mount="${2}${snap_relpath}"
+ fi
if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
then
snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
- RES=""
if ! try_mount "${snapdev}" "${snapback}" "ro"
then
break
fi
+ RES="0"
+
if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
then
# squashfs, jffs2 or ext2/ext3/ext4 snapshot
dev=$(get_backing_device "${snapback}/${snapfile}")
do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
- RES=$?
+ RES="$?"
else
# cpio.gz snapshot
cpioargs='--unconditional --make-directories'
fi
- if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null)
+ if [ -s "${snapback}/${snapfile}" ]
then
- log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
+ BEFOREDIR="$(pwd)"
+ cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null
+ RES="$?"
+ cd "${BEFOREDIR}"
+ else
+ log_warning_msg "${snapback}/${snapfile} is empty, adding it for sync on reboot."
+ RES="0"
+ fi
+
+ if [ "${RES}" != "0" ]
+ then
+ log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
fi
fi
if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
then
- log_warning_msg "Impossible to include the ${snap_type} Snapshot"
+ log_warning_msg "Impossible to include the ${snap_type} Snapshot (i)"
return 1
else
if [ -n "${snapfile}" ]
fi
fi
else
- log_warning_msg "Impossible to include the ${snap_type} Snapshot"
+ log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)"
return 1
fi
- echo "export ${snap_type}SNAP="/cow${snap_mount#$rootmnt}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
+ echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
return 0
}
log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
fi
- mkdir -p "${croot}/${imagename}"
- log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
- mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
+ if [ "${UNIONTYPE}" != "unionmount" ]
+ then
+ mpoint="${croot}/${imagename}"
+ rofsstring="${mpoint}=${roopt}:${rofsstring}" && rofslist="${mpoint} ${rofslist}"
+ else
+ mpoint="${rootmnt}"
+ fi
+ mkdir -p "${mpoint}"
+ log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\""
+ mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}"
log_end_msg
fi
done
cow_mountopt="rw,noatime,mode=755"
fi
+ if [ "${UNIONTYPE}" != "unionmount" ]
+ then
+
if [ "${cow_fstype}" = "nfs" ]
then
log_begin_msg \
mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
fi
+ fi
rofscount=$(echo ${rofslist} |wc -w)
pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true
;;
+ unionmount)
+ mount_full -t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice} "${rootmnt}" || panic "${UNIONTYPE} ${cowdevice} on ${rootmnt} failed with option noatime,union,${cow_mountopt}"
+ ;;
+
*)
mount -t ${UNIONTYPE} -o noatime,${noxino_opt}dirs=/cow=rw:${rofsstring} ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option noatime,${noxino_opt}dirs=/cow=rw:${rofsstring}"
;;
# Look for other snapshots to copy in
try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
# This second type should be removed when snapshot grow smarter
- try_snap "${home_snapdata}" "${rootmnt}/home" "HOME"
+ try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
fi
if [ -n "${SHOWMOUNTS}" ]
echo "Warning: device for bootoption isofrom= ($FROMISO) not found.">>/live.log
else
mkdir /isofrom
- mount "$ISO_DEVICE" /isofrom
+ mount -t auto "$ISO_DEVICE" /isofrom
ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
devname="${loopdevname}"
fi
done
elif [ "${fstype}" = "squashfs" -o \
+ "${fstype}" = "btrfs" -o \
"${fstype}" = "ext2" -o \
"${fstype}" = "ext3" -o \
"${fstype}" = "ext4" -o \
return 1
}
-set_usplash_timeout ()
-{
- if [ -x /sbin/usplash_write ]
- then
- /sbin/usplash_write "TIMEOUT 120"
- else if [ -x /sbin/splashy_update ] ; then
- /sbin/splashy_update "TIMEOUT 120"
- fi ; fi
-}
-
integrity_check ()
{
media_mountpoint="${1}"
fi
}
-start_usplash_pulse ()
-{
- if [ -x /sbin/usplash_write ]
- then
- /sbin/usplash_write "PULSELOGO"
- fi
-}
-
mountroot ()
{
if [ -x /scripts/local-top/cryptroot ]; then
Arguments
- set_usplash_timeout
- start_usplash_pulse
-
maybe_break live-premount
log_begin_msg "Running /scripts/live-premount"
run_scripts /scripts/live-premount
# Needed here too because some things (*cough* udev *cough*)
# changes the timeout
- set_usplash_timeout
-
if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
then
if do_netmount
panic "Unable to find a live file system on the network"
fi
else
- if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
+ if [ -n "${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 [ "$i" -lt 60 ]
mount_images_in_directory "${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
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
+
+ # copy snapshot configuration if exists
+ if [ -f snapshot.conf ]
+ then
+ log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d"
+ if [ ! -d "${rootmnt}/etc/live/boot.d" ]
+ then
+ mkdir -p "${rootmnt}/etc/live/boot.d"
+ fi
+ cp snapshot.conf "${rootmnt}/etc/live/boot.d/"
+ log_end_msg
+ fi
+
maybe_break live-bottom
log_begin_msg "Running /scripts/live-bottom\n"
exec 2>&7 7>&-
kill ${tailpid}
[ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null
- if [ -f /etc/live.conf ]
- then
- cp /etc/live.conf "${rootmnt}/etc/"
- fi
}