echo "/root/usr/lib" >> /etc/ld.so.conf
mountpoint="/live/image"
+alt_mountpoint="/media"
LIVE_MEDIA_PATH="live"
-root_persistence="live-rw"
-home_persistence="home-rw"
-root_snapshot_label="live-sn"
-home_snapshot_label="home-sn"
-
-USERNAME="user"
-USERFULLNAME="Live user"
HOSTNAME="host"
mkdir -p "${mountpoint}"
+tried="/tmp/tried"
# Create /etc/mtab for debug purpose and future syncs
if [ ! -d /etc ]
touch /etc/mtab
fi
-[ -f /etc/live.conf ] && . /etc/live.conf
-export USERNAME USERFULLNAME HOSTNAME
-
. /scripts/live-helpers
if [ ! -f /live.vars ]
touch /live.vars
fi
-Arguments ()
-{
- PRESEEDS=""
-
- for ARGUMENT in $(cat /proc/cmdline)
- do
- case "${ARGUMENT}" in
- access=*)
- ACCESS="${ARGUMENT#access=}"
- export ACCESS
- ;;
-
- console=*)
- DEFCONSOLE="${ARGUMENT#*=}"
- export DEFCONSOLE
- ;;
-
- debug)
- DEBUG="Yes"
- export DEBUG
-
- set -x
- ;;
-
- fetch=*)
- FETCH="${ARGUMENT#fetch=}"
- export FETCH
- ;;
-
- hook=*)
- HOOK="${ARGUMENT#hook=}"
- export HOOK
- ;;
-
- ftpfs=*)
- FTPFS="${ARGUMENT#ftpfs=}"
- export FTPFS
- ;;
-
- httpfs=*)
- HTTPFS="${ARGUMENT#httpfs=}"
- export HTTPFS
- ;;
-
- hostname=*)
- HOSTNAME="${ARGUMENT#hostname=}"
- LIVECONF="changed"
- export HOSTNAME LIVECONF
- ;;
-
- username=*)
- USERNAME="${ARGUMENT#username=}"
- LIVECONF="changed"
- export USERNAME LIVECONF
- ;;
-
- userfullname=*)
- USERFULLNAME="${ARGUMENT#userfullname=}"
- LIVECONF="changed"
- export USERFULLNAME LIVECONF
- ;;
-
- ignore_uuid)
- IGNORE_UUID="Yes"
- export IGNORE_UUID
- ;;
-
- integrity-check)
- INTEGRITY_CHECK="Yes"
- export INTEGRITY_CHECK
- ;;
-
- ip=*)
- STATICIP="${ARGUMENT#ip=}"
-
- if [ -z "${STATICIP}" ]
- then
- STATICIP="frommedia"
- fi
-
- export STATICIP
- ;;
-
- keyb=*|kbd-chooser/method=*)
- KBD="${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
- ;;
-
- live-media=*|bootfrom=*)
- LIVE_MEDIA="${ARGUMENT#*=}"
- export LIVE_MEDIA
- ;;
-
- live-media-encryption=*|encryption=*)
- LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
- export LIVE_MEDIA_ENCRYPTION
- ;;
-
- live-media-offset=*)
- LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
- export LIVE_MEDIA_OFFSET
- ;;
-
- live-media-path=*)
- LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
- export LIVE_MEDIA_PATH
- ;;
-
- live-media-timeout=*)
- LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
- export LIVE_MEDIA_TIMEOUT
- ;;
-
- language=*|debian-installer/language=*)
- language=${x#debian-installer/language=}
- locale="$(lang2locale "$language")"
- set_locale="true"
- ;;
-
- locale=*|debian-installer/locale=*)
- LOCALE="${ARGUMENT#*=}"
- export LOCALE
- ;;
-
- module=*)
- MODULE="${ARGUMENT#module=}"
- export MODULE
- ;;
-
- netboot=*)
- NETBOOT="${ARGUMENT#netboot=}"
- export NETBOOT
- ;;
-
- nfsopts=*)
- NFSOPTS="${ARGUMENT#nfsopts=}"
- export NFSOPTS
- ;;
-
- nfscow=*)
- NFS_COW="${ARGUMENT#nfscow=}"
- export NFS_COW
- ;;
-
- noaccessibility)
- NOACCESSIBILITY="Yes"
- export NOACCESSIBILITY
- ;;
-
- noapparmor)
- NOAPPARMOR="Yes"
- export NOAPPARMOR
- ;;
-
- noaptcdrom)
- NOAPTCDROM="Yes"
- export NOAPTCDROM
- ;;
-
- noautologin)
- NOAUTOLOGIN="Yes"
- export NOAUTOLOGIN
- ;;
-
- noxautologin)
- NOXAUTOLOGIN="Yes"
- export NOXAUTOLOGIN
- ;;
-
- noconsolekeyboard)
- NOCONSOLEKEYBOARD="Yes"
- export NOCONSOLEKEYBOARD
- ;;
-
- nofastboot)
- NOFASTBOOT="Yes"
- export NOFASTBOOT
- ;;
-
- nofstab)
- NOFSTAB="Yes"
- export NOFSTAB
- ;;
-
- nognomepanel)
- NOGNOMEPANEL="Yes"
- export NOGNOMEPANEL
- ;;
-
- nohosts)
- NOHOSTS="Yes"
- export NOHOSTS
- ;;
-
- nokpersonalizer)
- NOKPERSONALIZER="Yes"
- export NOKPERSONALIZER
- ;;
-
- nolanguageselector)
- NOLANGUAGESELECTOR="Yes"
- export NOLANGUAGESELECTOR
- ;;
-
- nolocales)
- NOLOCALES="Yes"
- export NOLOCALES
- ;;
-
- nonetworking)
- NONETWORKING="Yes"
- export NONETWORKING
- ;;
-
- nopowermanagement)
- NOPOWERMANAGEMENT="Yes"
- export NOPOWERMANAGEMENT
- ;;
-
- noprogramcrashes)
- NOPROGRAMCRASHES="Yes"
- export NOPROGRAMCRASHES
- ;;
-
- nojockey)
- NOJOCKEY="Yes"
- export NOJOCKEY
- ;;
-
- nosudo)
- NOSUDO="Yes"
- export NOSUDO
- ;;
-
- swapon)
- SWAPON="Yes"
- export SWAPON
- ;;
-
- noupdatenotifier)
- NOUPDATENOTIFIER="Yes"
- export NOUPDATENOTIFIER
- ;;
-
- nouser)
- NOUSER="Yes"
- export NOUSER
- ;;
-
- noxautoconfig)
- NOXAUTOCONFIG="Yes"
- export NOXAUTOCONFIG
- ;;
-
- noxscreensaver)
- NOXSCREENSAVER="Yes"
- export NOXSCREENSAVER
- ;;
-
- persistent)
- PERSISTENT="Yes"
- export PERSISTENT
- ;;
-
- persistent=*)
- PERSISTENT="${ARGUMENT#persistent=}"
- if [ -z "${PERSISTENT}" ]
- then
- PERSISTENT="Yes"
- fi
- export PERSISTENT
- ;;
-
- persistent-path=*)
- PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
- export PERSISTENT_PATH
- ;;
-
- nopersistent)
- NOPERSISTENT="Yes"
- export NOPERSISTENT
- ;;
-
- preseed/file=*|file=*)
- LOCATION="${ARGUMENT#*=}"
- export LOCATION
- ;;
-
- nopreseed)
- NOPRESEED="Yes"
- export NOPRESEED
- ;;
-
- url=*)
- location="${ARGUMENT#url=}"
-
- mount -o bind /sys /root/sys
- mount -o bind /proc /root/proc
- mount -o bind /dev /root/dev
-
- mkdir -p /root/var/run/network
- chroot /root dhclient eth0
- chroot /root wget -P /tmp "${location}"
- chroot /root ifconfig eth0 down
-
- umount /root/sys
- umount /root/proc
- umount /root/dev
-
- LOCATION="/tmp/$(basename "${location}")"
- ;;
-
- */*=*)
- question="${ARGUMENT%%=*}"
- value="${ARGUMENT#*=}"
- PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
- export PRESEEDS
- ;;
-
- showmounts)
- SHOWMOUNTS="Yes"
- export SHOWMOUNTS
- ;;
-
- silent)
- SILENT="Yes"
- export SILENT
- ;;
-
- textonly)
- TEXTONLY="Yes"
- export TEXTONLY
- ;;
-
- timezone=*)
- TIMEZONE="${ARGUMENT#timezone=}"
- export TIMEZONE
- ;;
-
- notimezone)
- NOTIMEZONE="Yes"
- export NOTIMEZONE
- ;;
-
- todisk=*)
- TODISK="${ARGUMENT#todisk=}"
- export TODISK
- ;;
-
- toram)
- TORAM="Yes"
- export TORAM
- ;;
-
- toram=*)
- TORAM="Yes"
- MODULETORAM="${ARGUMENT#toram=}"
- export TORAM MODULETORAM
- ;;
-
- exposedroot)
- EXPOSED_ROOT="Yes"
- export EXPOSED_ROOT
- ;;
-
- plainroot)
- PLAIN_ROOT="Yes"
- export PLAIN_ROOT
- ;;
-
- skipunion)
- SKIP_UNION_MOUNTS="Yes"
- export SKIP_UNION_MOUNTS
- ;;
-
- root=*)
- ROOT="${ARGUMENT#root=}"
- export ROOT
- ;;
-
- union=*)
- UNIONTYPE="${ARGUMENT#union=}"
- export UNIONTYPE
- ;;
-
- utc=*)
- UTC="${ARGUMENT#utc=}"
- export UTC
- ;;
-
- xdebconf)
- XDEBCONF="Yes"
- export XDEBCONF
- ;;
-
- xdriver=*)
- XDRIVER="${ARGUMENT#xdriver=}"
- export XDRIVER
- ;;
-
- xvideomode=*)
- XVIDEOMODE="${ARGUMENT#xvideomode=}"
- export XVIDEOMODE
- ;;
- esac
- done
-
- # sort of compatibility with netboot.h from linux docs
- if [ -z "${NETBOOT}" ]
- then
- if [ "${ROOT}" = "/dev/nfs" ]
- then
- NETBOOT="nfs"
- export NETBOOT
- elif [ "${ROOT}" = "/dev/cifs" ]
- then
- NETBOOT="cifs"
- export NETBOOT
- fi
- fi
-
- if [ -z "${MODULE}" ]
- then
- MODULE="filesystem"
- export MODULE
- fi
-
- if [ -z "${UNIONTYPE}" ]
- then
- UNIONTYPE="aufs"
- export UNIONTYPE
- fi
-}
-
is_live_path ()
{
DIRECTORY="${1}"
{
sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-(ide|scsi|usb))"
+ if [ -e /lib/udev/path_id ]
+ then
+ # squeeze
+ PATH_ID="/lib/udev/path_id"
+ else
+ # wheezy/sid (udev >= 174)
+ PATH_ID="/sbin/udevadm test-builtin path_id"
+ fi
+
+ if ${PATH_ID} "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|sas|scsi|usb|virtio)|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci)"
then
return 0
elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
then
return 0
+ elif echo ${sysfs_path} | grep -q "^/block/dm-"
+ then
+ return 0
+ elif echo ${sysfs_path} | grep -q "^/block/mtdblock"
+ then
+ return 0
fi
return 1
if [ -z "${MODULETORAM}" ]
then
- size=$(fs_size "" ${copyfrom} "used")
+ size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used")
else
MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
if [ "${copytodev}" = "ram" ]
then
# copying to ram:
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo ) )
+ freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
mount_options="-o size=${size}k"
free_string="memory"
fstype="tmpfs"
return 1
fi
+ # Custom ramdisk size
+ if [ -z "${mount_options}" ] && [ -n "${ramdisk_size}" ]
+ then
+ # FIXME: should check for wrong values
+ mount_options="-o size=${ramdisk_size}"
+ fi
+
# begin copying (or uncompressing)
mkdir "${copyto}"
- echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
+ log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
if [ "${extension}" = "tgz" ]
else
if [ -n "${MODULETORAMFILE}" ]
then
- cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
+ if [ -x /bin/rsync ]
+ then
+ echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console
+ rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module
+ else
+ cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
+ fi
else
- cp -a ${copyfrom}/* ${copyto} # "cp -a" from busybox also copies hidden files
+ if [ -x /bin/rsync ]
+ then
+ echo " * Copying whole medium to RAM" 1>/dev/console
+ rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console # "cp -a" from busybox also copies hidden files
+ else
+ mkdir -p ${copyto}/${LIVE_MEDIA_PATH}
+ cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH}
+ if [ -e ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ]
+ then
+ cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ${copyto}
+ fi
+ fi
fi
umount ${copyfrom}
return 0
}
-do_netmount ()
+do_netsetup ()
{
- rc=1
-
modprobe -q af_packet # For DHCP
- if [ -x /sbin/udevadm ]
+ udevadm trigger
+ udevadm settle
+
+ [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
+ echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
+
+ if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
+ [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
then
- # lenny
- udevadm trigger
- udevadm settle
- else
- # etch
- udevtrigger
- udevsettle
- fi
- ipconfig ${DEVICE} | tee /netboot.config
- # source relevant ipconfig output
- OLDHOSTNAME=${HOSTNAME}
- . /tmp/net-${DEVICE}.conf
- [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
- export HOSTNAME
+ # support for Syslinux IPAPPEND parameter
+ # it sets the BOOTIF variable on the kernel parameter
- # Check if we have a network device at all
- if ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
- ! ls /sys/class/net/ra0 > /dev/null 2>&1
+ if [ -n "${BOOTIF}" ]
then
- panic "No supported network device found, maybe a non-mainline driver is required."
+ # pxelinux sets BOOTIF to a value based on the mac address of the
+ # network card used to PXE boot, so use this value for DEVICE rather
+ # than a hard-coded device name from initramfs.conf. this facilitates
+ # network booting when machines may have multiple network cards.
+ # pxelinux sets BOOTIF to 01-$mac_address
+
+ # strip off the leading "01-", which isn't part of the mac
+ # address
+ temp_mac=${BOOTIF#*-}
+
+ # convert to typical mac address format by replacing "-" with ":"
+ bootif_mac=""
+ IFS='-'
+ for x in $temp_mac
+ do
+ if [ -z "$bootif_mac" ]
+ then
+ bootif_mac="$x"
+ else
+ bootif_mac="$bootif_mac:$x"
+ fi
+ done
+ unset IFS
+
+ # look for devices with matching mac address, and set DEVICE to
+ # appropriate value if match is found.
+
+ for device in /sys/class/net/*
+ do
+ if [ -f "$device/address" ]
+ then
+ current_mac=$(cat "$device/address")
+
+ if [ "$bootif_mac" = "$current_mac" ]
+ then
+ DEVICE=${device##*/}
+ break
+ fi
+ fi
+ done
+ fi
+
+ # if ethdevice was not specified on the kernel command line
+ # make sure we try to get a working network configuration
+ # for *every* present network device (except for loopback of course)
+ if [ -z "$ETHDEVICE" ] ; then
+ echo "If you want to boot from a specific device use bootoption ethdevice=..."
+ for device in /sys/class/net/*; do
+ dev=${device##*/} ;
+ if [ "$dev" != "lo" ] ; then
+ ETHDEVICE="$ETHDEVICE $dev"
+ fi
+ done
+ fi
+
+ # split args of ethdevice=eth0,eth1 into "eth0 eth1"
+ for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do
+ devlist="$devlist $device"
+ done
+
+ # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
+ # an endless loop; if execution fails give it two further tries, that's
+ # why we use '$devlist $devlist $devlist' for the other for loop
+ for dev in $devlist $devlist $devlist ; do
+ echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
+ ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
+ jobid=$!
+ sleep "$ETHDEV_TIMEOUT" ; sleep 1
+ if [ -r /proc/"$jobid"/status ] ; then
+ echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
+ kill -9 $jobid
+ fi
+
+ # if configuration of device worked we should have an assigned
+ # IP address, if so let's use the device as $DEVICE for later usage.
+ # simple and primitive approach which seems to work fine
+ if ifconfig $dev | grep -q 'inet.*addr:' ; then
+ export DEVICE="$dev"
+ break
+ fi
+ done
+
+ else
+ for interface in ${DEVICE}; do
+ ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config
+ [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
+ if [ "$IPV4ADDR" != "0.0.0.0" ]
+ then
+ break
+ fi
+ done
fi
+ for interface in ${DEVICE}; do
+ # source relevant ipconfig output
+ OLDHOSTNAME=${HOSTNAME}
+ [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
+ [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
+ export HOSTNAME
+
+ if [ -n "${interface}" ]
+ then
+ HWADDR="$(cat /sys/class/net/${interface}/address)"
+ fi
+
+ if [ ! -e "/etc/resolv.conf" ]
+ then
+ echo "Creating /etc/resolv.conf"
+
+ if [ -n "${DNSDOMAIN}" ]
+ then
+ echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
+ echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
+ fi
+
+ for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
+ do
+ if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
+ then
+ echo "nameserver $i" >> /etc/resolv.conf
+ fi
+ done
+ fi
+
+ # Check if we have a network device at all
+ if ! ls /sys/class/net/"$interface" > /dev/null 2>&1 && \
+ ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
+ ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
+ ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
+ ! ls /sys/class/net/ra0 > /dev/null 2>&1
+ then
+ panic "No supported network device found, maybe a non-mainline driver is required."
+ fi
+ done
+}
+
+do_netmount()
+{
+ do_netsetup
+
if [ "${NFSROOT}" = "auto" ]
then
NFSROOT=${ROOTSERVER}:${ROOTPATH}
fi
- if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
+ rc=1
+
+ if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] )
then
- rc=0
- return ${rc}
+ do_httpmount
+ return $?
fi
if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
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: $devices)."
+ else
+ panic "Failed to locate iSCSI host in /sys"
+ fi
+}
+
do_httpmount ()
{
rc=1
- dest="${mountpoint}/${LIVE_MEDIA_PATH}"
- mount -t ramfs ram "${mountpoint}"
- mkdir -p "${dest}"
for webfile in HTTPFS FTPFS FETCH
do
- url="$(eval echo \"\$\{${webfile}\}\")"
- extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
+ local url="$(eval echo \"\$\{${webfile}\}\")"
+ local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
if [ -n "$url" ]
then
case "${extension}" in
- squashfs|tgz|tar)
+ iso|squashfs|tgz|tar)
+ if [ "${extension}" = "iso" ]
+ then
+ mkdir -p "${alt_mountpoint}"
+ dest="${alt_mountpoint}"
+ else
+ local dest="${mountpoint}/${LIVE_MEDIA_PATH}"
+ mount -t ramfs ram "${mountpoint}"
+ mkdir -p "${dest}"
+ fi
if [ "${webfile}" = "FETCH" ]
then
case "$url" in
tftp*)
- ip="$(dirname $url | sed -e 's|tftp://||g')"
- log_begin_msg "Trying tftp -g -b 10240 -r $(basename ${url}) -l ${dest}/$(basename ${url}) $ip"
- tftp -g -b 10240 -r $(basename ${url}) -l ${dest}/$(basename ${url}) $ip
+ ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
+ rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
+ lfile="$(basename $url)"
+ log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
+ tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
;;
*)
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 [ "${extension}" = "iso" ]
+ then
+ isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
+ mount -t iso9660 "${isoloop}" "${mountpoint}"
+ rc=${?}
+ fi
break
;;
if [ ${rc} != 0 ]
then
- umount "${mountpoint}"
+ if [ -d "${alt_mountpoint}" ]
+ then
+ umount "${alt_mountpoint}"
+ rmdir "${alt_mountpoint}"
+ fi
+ umount "${mountpoint}"
+ elif [ "${webfile}" != "FETCH" ] ; then
+ NETBOOT="${webfile}"
+ export NETBOOT
fi
return ${rc}
modprobe -q nfs
- if [ -z "${NFSOPTS}" ]
+ if [ -n "${NFSOPTS}" ]
then
- NFSOPTS=""
+ NFSOPTS="-o ${NFSOPTS}"
fi
log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
then
CIFSOPTS="-ouser=root,password="
else
- CIFSOPTS="${NFSOPTS}"
+ CIFSOPTS="-o ${NFSOPTS}"
fi
log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
if [ -b "${fromdev}" ]
then
+ log_success_msg "Copying snapshot ${fromdev} to ${todir}..."
+
# look for free mem
if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
then
todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
freespace=$(df -k | awk '/'${todev}'/{print $4}')
else
- freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo))
+ freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
fi
tomount="/mnt/tmpsnap"
return 0
else
- return 1
-
log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+ return 1
fi
}
-find_snap ()
-{
- # Look for ${snap_label}.* in block devices
- snap_label="${1}"
-
- if [ "${PERSISTENT}" != "nofiles" ]
- then
- # search for image files
- snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snal_label}.ext4 ${snap_label}.jffs2")
- fi
-
- if [ -z "${snapdata}" ]
- then
- snapdata=$(find_cow_device "${snap_label}")
- fi
- echo "${snapdata}"
-}
-
try_snap ()
{
- # copy the contents of previously found snapshot to ${snap_mount}
- # and remember the device and filename for resync on exit in live-initramfs.init
+ # copy the contents of previously found snapshot to ${snap_mount}
+ # and remember the device and filename for resync on exit in live-boot.init
snapdata="${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
- cd "${snap_mount}"
- zcat "${snapback}/${snapfile}" | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1
- RES=$?
+
+ # Unfortunately klibc's cpio is incompatible with the
+ # rest of the world; everything else requires -u -d,
+ # while klibc doesn't implement them. Try to detect
+ # whether it's in use.
+ cpiopath="$(which cpio)" || true
+ if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"
+ then
+ cpioargs=
+ else
+ cpioargs='--unconditional --make-directories'
+ fi
+
+ if [ -s "${snapback}/${snapfile}" ]
+ then
+ BEFOREDIR="$(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} | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories\""
+ log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
fi
- cd "${OLDPWD}"
fi
umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\""
if ! do_snap_copy "${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 ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
+ if [ -z ${PERSISTENCE_READONLY} ]
+ then
+ echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
+ fi
return 0
}
{
image_directory="${1}"
rootmnt="${2}"
- addimage_directory="${3}"
- modprobe -q -b ${UNIONTYPE}
+ addimage_directory="${3}"
+
+ case ${UNIONTYPE} in
+ aufs|unionfs|overlayfs)
+ modprobe -q -b ${UNIONTYPE}
+
+ if ! cut -f2 /proc/filesystems | grep -q "^${UNIONTYPE}\$" && [ -x /bin/unionfs-fuse ]
+ then
+ echo "${UNIONTYPE} not available, falling back to unionfs-fuse."
+ echo "This might be really slow."
+
+ UNIONTYPE="unionfs-fuse"
+ fi
+ ;;
+ esac
+
+ if [ "${UNIONTYPE}" = unionfs-fuse ]
+ then
+ modprobe fuse
+ fi
# run-init can't deal with images in a subdir, but we're going to
# move all of these away before it runs anyway. No, we're not,
croot="/"
# Let's just mount the read-only file systems first
- rofsstring=""
rofslist=""
- minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
- if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
+ if [ -z "${PLAIN_ROOT}" ]
then
- # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
- roopt="nfsro"
- elif [ "${UNIONTYPE}" = "aufs" ]
- then
- roopt="rr"
- else
- roopt="ro"
- fi
-
- # Read image names from ${MODULE}.module if it exists
- if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
- then
- for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
- do
- image_string="${image_string} ${image_directory}/${IMAGE}"
- done
- elif [ -e "${image_directory}/${MODULE}.module" ]
- then
- for IMAGE in $(cat ${image_directory}/${MODULE}.module)
- do
- image_string="${image_string} ${image_directory}/${IMAGE}"
- done
- else
- # ${MODULE}.module does not exist, create a list of images
- for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
- do
- for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
+ # Read image names from ${MODULE}.module if it exists
+ if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
+ then
+ for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
do
- if [ -e "${IMAGE}" ]
- then
- image_string="${image_string} ${IMAGE}"
- fi
+ image_string="${image_string} ${image_directory}/${IMAGE}"
done
- done
-
- if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
+ elif [ -e "${image_directory}/${MODULE}.module" ]
then
+ for IMAGE in $(cat ${image_directory}/${MODULE}.module)
+ do
+ image_string="${image_string} ${image_directory}/${IMAGE}"
+ done
+ else
+ # ${MODULE}.module does not exist, create a list of images
for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
do
- for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
+ for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
do
if [ -e "${IMAGE}" ]
then
fi
done
done
- fi
- # Now sort the list
- image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
- fi
+ if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
+ then
+ for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
+ do
+ for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
+ do
+ if [ -e "${IMAGE}" ]
+ then
+ image_string="${image_string} ${IMAGE}"
+ fi
+ done
+ done
+ fi
- [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
+ # Now sort the list
+ image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
+ fi
- mkdir -p "${croot}"
+ [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
- for image in ${image_string}
- do
- imagename=$(basename "${image}")
+ mkdir -p "${croot}"
- export image devname
- maybe_break live-realpremount
- log_begin_msg "Running /scripts/live-realpremount"
- run_scripts /scripts/live-realpremount
- log_end_msg
+ for image in ${image_string}
+ do
+ imagename=$(basename "${image}")
- if [ -d "${image}" ]
- then
- # it is a plain directory: do nothing
- rofsstring="${image}=${roopt}:${rofsstring}"
- rofslist="${image} ${rofslist}"
- elif [ -f "${image}" ]
- then
- if losetup --help 2>&1 | grep -q -- "-r\b"
- then
- backdev=$(get_backing_device "${image}" "-r")
- else
- backdev=$(get_backing_device "${image}")
- fi
- fstype=$(get_fstype "${backdev}")
+ export image devname
+ maybe_break live-realpremount
+ log_begin_msg "Running /scripts/live-realpremount"
+ run_scripts /scripts/live-realpremount
+ log_end_msg
- if [ "${fstype}" = "unknown" ]
+ if [ -d "${image}" ]
then
- panic "Unknown file system type on ${backdev} (${image})"
- fi
-
- if [ -z "${fstype}" ]
+ # it is a plain directory: do nothing
+ rofslist="${image} ${rofslist}"
+ elif [ -f "${image}" ]
then
- fstype="${imagename##*.}"
- log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
- fi
+ if losetup --help 2>&1 | grep -q -- "-r\b"
+ then
+ backdev=$(get_backing_device "${image}" "-r")
+ else
+ backdev=$(get_backing_device "${image}")
+ fi
+ fstype=$(get_fstype "${backdev}")
- mkdir -p "${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} ${rofslist}"
- log_end_msg
- fi
- done
+ if [ "${fstype}" = "unknown" ]
+ then
+ panic "Unknown file system type on ${backdev} (${image})"
+ fi
+
+ if [ -z "${fstype}" ]
+ then
+ fstype="${imagename##*.}"
+ log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
+ fi
- rofsstring=${rofsstring%:}
+ if [ "${UNIONTYPE}" != "unionmount" ]
+ then
+ mpoint="${croot}/${imagename}"
+ rofslist="${mpoint} ${rofslist}"
+ else
+ mpoint="${rootmnt}"
+ rofslist="${rootmnt} ${rofslist}"
+ fi
+ mkdir -p "${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 ${mpoint}"
+ log_end_msg
+ fi
+ done
+ else
+ # we have a plain root system
+ mkdir -p "${croot}/filesystem"
+ log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
+ mount -t $(get_fstype "${image_directory}") -o ro,noatime "${image_directory}" "${croot}/filesystem" || \
+ panic "Can not mount ${image_directory} on ${croot}/filesystem" && \
+ rofslist="${croot}/filesystem ${rofslist}"
+ # probably broken:
+ mount -o bind ${croot}/filesystem $mountpoint
+ log_end_msg
+ fi
- mkdir -p /cow
+ # tmpfs file systems
+ touch /etc/fstab
+ mkdir -p /live
+ mount -t tmpfs tmpfs /live
+ mkdir -p /live/overlay
- # Looking for "${root_persistence}" device or file
- if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ # Looking for persistence devices or files
+ if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
then
- # Load USB modules
- num_block=$(ls -l /sys/block | wc -l)
- for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
- do
- modprobe -q -b ${module}
- done
- if [ -x /sbin/udevadm ]
+ if [ -z "${QUICKUSBMODULES}" ]
then
- # lenny
+ # Load USB modules
+ num_block=$(ls -l /sys/block | wc -l)
+ for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
+ do
+ modprobe -q -b ${module}
+ done
+
udevadm trigger
udevadm settle
- else
- # etch
- udevtrigger
- udevsettle
- fi
-
- # For some reason, udevsettle does not block in this scenario,
- # so we sleep for a little while.
- #
- # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
- for timeout in 5 4 3 2 1
- do
- sleep 1
- if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
- then
- break
- fi
- done
+ # For some reason, udevsettle does not block in this scenario,
+ # so we sleep for a little while.
+ #
+ # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
+ for timeout in 5 4 3 2 1
+ do
+ sleep 1
- # search for label and files (this could be hugely optimized)
- cowprobe=$(find_cow_device "${root_persistence}")
- if [ -b "${cowprobe}" ]
- then
- # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
- # makes sense to have both persistence for /cow and /home mounted, maybe also with
- # snapshots to be sure to really store some e.g key config files,
- # but not on the same media
- blacklistdev="${cowprobe}"
- PERSISTENCE_IS_ON="1"
- export PERSISTENCE_IS_ON
+ if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
+ then
+ break
+ fi
+ done
fi
- # homecow just mount something on /home, this should be generalized some way
- homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
- if [ -b "${homecow}" ]
+
+ case "${PERSISTENCE_MEDIA}" in
+ removable)
+ whitelistdev="$(removable_dev)"
+ ;;
+ removable-usb)
+ whitelistdev="$(removable_usb_dev)"
+ ;;
+ *)
+ whitelistdev=""
+ ;;
+ esac
+
+ if is_in_comma_sep_list overlay ${PERSISTENCE_METHOD}
then
- PERSISTENCE_IS_ON="1"
- export PERSISTENCE_IS_ON
+ overlays="${old_root_overlay_label} ${old_home_overlay_label} ${custom_overlay_label}"
fi
- root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
- # This second type should be removed when snapshot will get smarter,
- # hence when "/etc/live-snapshot*list" will be supported also by
- # ext2|ext3|ext4|jffs2 snapshot types.
- home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
- if [ -b "${cowprobe}" ]
+ if is_in_comma_sep_list snapshot ${PERSISTENCE_METHOD}
then
- cowdevice=${cowprobe}
- cow_fstype=$(get_fstype "${cowprobe}")
- cow_mountopt="rw,noatime"
- else
- log_warning_msg "Unable to find the persistent medium"
- cowdevice="tmpfs"
- cow_fstype="tmpfs"
- cow_mountopt="rw,noatime,mode=755"
+ snapshots="${root_snapshot_label} ${home_snapshot_label}"
fi
- elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
+
+ local root_snapdata=""
+ local home_snapdata=""
+ local overlay_devices=""
+ for media in $(find_persistence_media "${overlays}" "${snapshots}" "${whitelistdev}")
+ do
+ media="$(echo ${media} | tr ":" " ")"
+ case ${media} in
+ ${root_snapshot_label}=*|${old_root_snapshot_label}=*)
+ if [ -z "${root_snapdata}" ]
+ then
+ root_snapdata="${media#*=}"
+ fi
+ ;;
+ ${home_snapshot_label}=*)
+ # This second type should be removed when snapshot will get smarter,
+ # hence when "/etc/live-snapshot*list" will be supported also by
+ # ext2|ext3|ext4|jffs2 snapshot types.
+ if [ -z "${home_snapdata}" ]
+ then
+ home_snapdata="${media#*=}"
+ fi
+ ;;
+ ${old_root_overlay_label}=*)
+ device="${media#*=}"
+ fix_backwards_compatibility ${device} / union
+ overlay_devices="${overlay_devices} ${device}"
+ ;;
+ ${old_home_overlay_label}=*)
+ device="${media#*=}"
+ fix_backwards_compatibility ${device} /home bind
+ overlay_devices="${overlay_devices} ${device}"
+ ;;
+ ${custom_overlay_label}=*)
+ device="${media#*=}"
+ overlay_devices="${overlay_devices} ${device}"
+ ;;
+ esac
+ done
+ elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENCE}" ]
then
# check if there are any nfs options
if echo ${NFS_COW}|grep -q ','
nfs_cow_opts="-o nolock"
nfs_cow=${NFS_COW}
fi
+
+ if [ -n "${PERSISTENCE_READONLY}" ]
+ then
+ nfs_cow_opts="${nfs_cow_opts},nocto,ro"
+ fi
+
mac="$(get_mac)"
if [ -n "${mac}" ]
then
else
panic "unable to determine mac address"
fi
- else
+ fi
+
+ if [ -z "${cowdevice}" ]
+ then
cowdevice="tmpfs"
cow_fstype="tmpfs"
cow_mountopt="rw,noatime,mode=755"
fi
- if [ "${cow_fstype}" = "nfs" ]
+ if [ "${UNIONTYPE}" != "unionmount" ]
then
- log_begin_msg \
- "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
- nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
- panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
- else
- mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
- panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
+ if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
+ then
+ mount -t tmpfs -o rw,noatime,mode=755 tmpfs "/live/overlay"
+ root_backing="/live/persistence/$(basename ${cowdevice})-root"
+ mkdir -p ${root_backing}
+ else
+ root_backing="/live/overlay"
+ fi
+
+ if [ "${cow_fstype}" = "nfs" ]
+ then
+ log_begin_msg \
+ "Trying nfsmount ${nfs_cow_opts} ${cowdevice} ${root_backing}"
+ nfsmount ${nfs_cow_opts} ${cowdevice} ${root_backing} || \
+ panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on ${root_backing}"
+ else
+ mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} ${root_backing} || \
+ panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on ${root_backing}"
+ fi
fi
rofscount=$(echo ${rofslist} |wc -w)
+ rofs=${rofslist%% }
+
if [ -n "${EXPOSED_ROOT}" ]
then
if [ ${rofscount} -ne 1 ]
then
panic "only one RO file system supported with exposedroot: ${rofslist}"
fi
- exposedrootfs=${rofslist%% }
- mount --bind ${exposedrootfs} ${rootmnt} || \
- panic "bind mount of ${exposedrootfs} failed"
+ mount --bind ${rofs} ${rootmnt} || \
+ panic "bind mount of ${rofs} failed"
if [ -z "${SKIP_UNION_MOUNTS}" ]
then
else
cow_dirs=''
fi
-
- for dir in ${cow_dirs}; do
- mkdir -p /cow${dir}
- mount -t ${UNIONTYPE} \
- -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
- ${UNIONTYPE} "${rootmnt}${dir}" || \
- panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
- rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
- done
else
- mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
- ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
- ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
+ cow_dirs="/"
fi
- # tmpfs file systems
- touch /etc/fstab
- mkdir -p "${rootmnt}/live"
- mount -t tmpfs tmpfs ${rootmnt}/live
-
- # Adding other custom mounts
- if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ if [ "${cow_fstype}" != "tmpfs" ] && [ "${cow_dirs}" != "/" ] && [ "${UNIONTYPE}" = "unionmount" ]
then
- # directly mount /home
- # FIXME: add a custom mounts configurable system
+ true # FIXME: Maybe it does, I don't really know.
+ #panic "unionmount does not support subunions (${cow_dirs})."
+ fi
- if [ -b "${homecow}" ]
+ for dir in ${cow_dirs}; do
+ unionmountpoint="${rootmnt}${dir}"
+ mkdir -p ${unionmountpoint}
+ if [ "${UNIONTYPE}" = "unionmount" ]
then
- mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
- export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
+ # FIXME: handle PERSISTENCE_READONLY
+ unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}"
+ mount_full $unionmountopts "${unionmountpoint}"
else
- log_warning_msg "Unable to find the persistent home medium"
- fi
+ cow_dir="/live/overlay${dir}"
+ rofs_dir="${rofs}${dir}"
+ mkdir -p ${cow_dir}
+ if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
+ then
+ do_union ${unionmountpoint} ${cow_dir} ${root_backing} ${rofs_dir}
+ else
+ do_union ${unionmountpoint} ${cow_dir} ${rofs_dir}
+ fi
+ fi || panic "mount ${UNIONTYPE} on ${unionmountpoint} failed with option ${unionmountopts}"
+ done
- # Look for other snapshots to copy in
- try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
- # This second type should be removed when snapshot grow smarter
- try_snap "${home_snapdata}" "${rootmnt}/home" "HOME"
- fi
+ # Correct the permissions of /:
+ chmod 0755 "${rootmnt}"
- if [ -n "${SHOWMOUNTS}" ]
+ live_rofs_list=""
+ # SHOWMOUNTS is necessary for custom mounts with the union option
+ # Since we may want to do custom mounts in user-space it's best to always enable SHOWMOUNTS
+ if true #[ -n "${SHOWMOUNTS}" ] || ( [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] 1)
then
+ # XXX: is the for loop really necessary? rofslist can only contain one item (see above XXX about EXPOSEDROOT) and this is also assumed elsewhere above (see use of $rofs above).
for d in ${rofslist}
do
- mkdir -p "${rootmnt}/live/${d##*/}"
-
+ live_rofs="/live/rofs/${d##*/}"
+ live_rofs_list="${live_rofs_list} ${live_rofs}"
+ mkdir -p "${live_rofs}"
case d in
*.dir)
- # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
+ # do nothing # mount -o bind "${d}" "${live_rofs}"
;;
-
*)
- mount -o move "${d}" "${rootmnt}/live/${d##*/}"
+ case "${UNIONTYPE}" in
+ unionfs-fuse)
+ mount -o bind "${d}" "${live_rofs}"
+ ;;
+ *)
+ mount -o move "${d}" "${live_rofs}"
+ ;;
+ esac
;;
esac
done
fi
- # shows cow fs on /cow for use by live-snapshot
- mkdir -p "${rootmnt}/live/cow"
- mount -o move /cow "${rootmnt}/live/cow" >/dev/null 2>&1 || mount -o bind /cow "${rootmnt}/live/cow" || log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
+ # Adding custom persistence
+ if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
+ then
+ local custom_mounts="/tmp/custom_mounts.list"
+ rm -rf ${custom_mounts} 2> /dev/null
+
+ # Gather information about custom mounts from devies detected as overlays
+ get_custom_mounts ${custom_mounts} ${overlay_devices}
+
+ [ -n "${DEBUG}" ] && cp ${custom_mounts} "/live/persistence"
+
+ # Now we do the actual mounting (and symlinking)
+ local used_overlays=""
+ used_overlays=$(activate_custom_mounts ${custom_mounts})
+ rm ${custom_mounts}
+
+ # Close unused overlays (e.g. due to missing $persistence_list)
+ for overlay in ${overlay_devices}
+ do
+ if echo ${used_overlays} | grep -qve "^\(.* \)\?${device}\( .*\)\?$"
+ then
+ close_persistence_media ${overlay}
+ fi
+ done
+
+ # Look for other snapshots to copy in
+ [ -n "${root_snapdata}" ] && try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
+ # This second type should be removed when snapshot grow smarter
+ [ -n "${home_snapdata}" ] && try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
+ fi
+
+ mkdir -p "${rootmnt}/live"
+ mount -o move /live "${rootmnt}/live" >/dev/null 2>&1 || mount -o bind /live "${rootmnt}/live" || log_warning_msg "Unable to move or bind /live to ${rootmnt}/live"
+
+ # shows cow fs on /overlay for use by live-snapshot
+ mkdir -p "${rootmnt}/live/overlay"
+ mount -o move /live/overlay "${rootmnt}/live/overlay" >/dev/null 2>&1 || mount -o bind /overlay "${rootmnt}/live/overlay" || log_warning_msg "Unable to move or bind /overlay to ${rootmnt}/live/overlay"
+
}
check_dev ()
devname="${2}"
skip_uuid_check="${3}"
+ # support for fromiso=.../isofrom=....
+ if [ -n "$FROMISO" ]
+ then
+ ISO_DEVICE=$(dirname $FROMISO)
+ if ! [ -b $ISO_DEVICE ]
+ then
+ # to support unusual device names like /dev/cciss/c0d0p1
+ # as well we have to identify the block device name, let's
+ # do that for up to 15 levels
+ i=15
+ while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
+ do
+ ISO_DEVICE=$(dirname ${ISO_DEVICE})
+ [ -b "$ISO_DEVICE" ] && break
+ i=$(($i -1))
+ done
+ fi
+
+ if [ "$ISO_DEVICE" = "/" ]
+ then
+ echo "Warning: device for bootoption fromiso= ($FROMISO) not found.">>/boot.log
+ else
+ fs_type=$(get_fstype "${ISO_DEVICE}")
+ if is_supported_fs ${fs_type}
+ then
+ mkdir /live/fromiso
+ mount -t $fs_type "$ISO_DEVICE" /live/fromiso
+ ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
+ loopdevname=$(setup_loop "/live/fromiso/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
+ devname="${loopdevname}"
+ else
+ echo "Warning: unable to mount $ISO_DEVICE." >>/boot.log
+ fi
+ fi
+ fi
+
if [ -z "${devname}" ]
then
devname=$(sys2dev "${sysdev}")
fi
fi
+ IFS=","
+ for device in ${devname}
+ do
+ case "$device" in
+ *mapper*)
+ # Adding lvm support
+ if [ -x /scripts/local-top/lvm2 ]
+ then
+ ROOT="$device" resume="" /scripts/local-top/lvm2
+ fi
+ ;;
+
+ /dev/md*)
+ # Adding raid support
+ if [ -x /scripts/local-top/mdadm ]
+ then
+ cp /conf/conf.d/md /conf/conf.d/md.orig
+ echo "MD_DEVS=$device " >> /conf/conf.d/md
+ /scripts/local-top/mdadm
+ mv /conf/conf.d/md.orig /conf/conf.d/md
+ fi
+ ;;
+ esac
+ done
+ unset IFS
+
+ [ -n "$device" ] && devname="$device"
+
+ [ -e "$devname" ] || continue
+
if [ -n "${LIVE_MEDIA_OFFSET}" ]
then
loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
if is_supported_fs ${fstype}
then
+ devuid=$(blkid -o value -s UUID "$devname")
+ [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue
mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
+ [ -n "$devuid" ] && echo "$devuid" >> $tried
+
+ if [ -n "${FINDISO}" ]
+ then
+ if [ -f ${mountpoint}/${FINDISO} ]
+ then
+ umount ${mountpoint}
+ mkdir -p /live/findiso
+ mount -t ${fstype} -o ro,noatime "${devname}" /live/findiso
+ loopdevname=$(setup_loop "/live/findiso/${FINDISO}" "loop" "/sys/block/loop*" 0 "")
+ devname="${loopdevname}"
+ mount -t iso9660 -o ro,noatime "${devname}" ${mountpoint}
+ else
+ umount ${mountpoint}
+ fi
+ fi
if is_live_path ${mountpoint} && \
([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
echo ${mountpoint}
return 0
else
- umount ${mountpoint}
+ umount ${mountpoint} 2>/dev/null
fi
fi
# first look at the one specified in the command line
case "${LIVE_MEDIA}" in
removable-usb)
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+ for sysblock in $(removable_usb_dev "sys")
do
- if [ "$(cat ${sysblock}/removable)" = "1" ]
- then
- if readlink ${sysblock}/device | grep -q usb
+ for dev in $(subdevices "${sysblock}")
+ do
+ if check_dev "${dev}"
then
- for dev in $(subdevices "${sysblock}")
- do
- if check_dev "${dev}"
- then
- return 0
- fi
- done
+ return 0
fi
- fi
+ done
done
+ return 1
;;
removable)
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+ for sysblock in $(removable_dev "sys")
do
- if [ "$(cat ${sysblock}/removable)" = "1" ]
- then
- for dev in $(subdevices "${sysblock}")
- do
- if check_dev "${dev}"
- then
- return 0
- fi
- done
- fi
+ for dev in $(subdevices "${sysblock}")
+ do
+ if check_dev "${dev}"
+ then
+ return 0
+ fi
+ done
done
+ return 1
;;
*)
esac
# or do the scan of block devices
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+ # prefer removable devices over non-removable devices, so scan them first
+ devices_to_scan="$(removable_dev 'sys') $(non_removable_dev 'sys')"
+
+ for sysblock in $devices_to_scan
do
devname=$(sys2dev "${sysblock}")
+ [ -e "$devname" ] || continue
fstype=$(get_fstype "${devname}")
if /lib/udev/cdrom_id ${devname} > /dev/null
fi
done
elif [ "${fstype}" = "squashfs" -o \
+ "${fstype}" = "btrfs" -o \
"${fstype}" = "ext2" -o \
"${fstype}" = "ext3" -o \
"${fstype}" = "ext4" -o \
then
# This is an ugly hack situation, the block device has
# an image directly on it. It's hopefully
- # live-initramfs, so take it and run with it.
+ # live-boot, so take it and run with it.
ln -s "${devname}" "${devname}.${fstype}"
echo "${devname}.${fstype}"
return 0
return 1
}
-set_usplash_timeout ()
-{
- if [ -x /sbin/usplash_write ]
- then
- /sbin/usplash_write "TIMEOUT 120"
- else if [ -x /sbin/splashy_update ] ; then
- /sbin/splashy_update "TIMEOUT 120"
- fi ; fi
-}
-
integrity_check ()
{
media_mountpoint="${1}"
mountroot ()
{
- if [ -x /scripts/local-top/cryptroot ]; then
+ if [ -x /scripts/local-top/cryptroot ]; then
/scripts/local-top/cryptroot
fi
exec 6>&1
exec 7>&2
- exec > live.log
+ exec > boot.log
exec 2>&1
- tail -f live.log >&7 &
+ tail -f boot.log >&7 &
tailpid="${!}"
# Ensure 'panic' function is overridden
Arguments
- set_usplash_timeout
-
maybe_break live-premount
log_begin_msg "Running /scripts/live-premount"
run_scripts /scripts/live-premount
# Needed here too because some things (*cough* udev *cough*)
# changes the timeout
- set_usplash_timeout
-
if [ ! -z "${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 [ "$i" -lt 60 ]
log_end_msg
fi
- if [ -n "${MODULETORAMFILE}" ]
+ # 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
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
+ if [ "${UNIONTYPE}" = unionfs-fuse ]
+ then
+ mount -n -o bind /dev "${rootmnt}/dev"
+ fi
+
+ # 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
+
+ # 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
+
+ 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 ${rootmnt}/etc/resolv.conf
+ log_end_msg
+ fi
+
maybe_break live-bottom
log_begin_msg "Running /scripts/live-bottom\n"
run_scripts /scripts/live-bottom
log_end_msg
+ if [ "${UNIONFS}" = unionfs-fuse ]
+ then
+ umount "${rootmnt}/dev"
+ fi
+
exec 1>&6 6>&-
exec 2>&7 7>&-
kill ${tailpid}
- [ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null
+ [ -w "${rootmnt}/var/log/" ] && mkdir -p /var/log/live && cp boot.log "${rootmnt}/var/log/live" 2>/dev/null
}