X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive;h=57a4d322c9521d979675cd63eccff9b70db8405e;hb=7b947e6656bc48c2a34267298e831ef87c670006;hp=cdcbc18ad85265fddcb7eeedd22d1fe4d86b9b24;hpb=72fbca18c2b60dc498d43363ffb5903ee59d7892;p=live-boot-grml.git diff --git a/scripts/live b/scripts/live index cdcbc18..57a4d32 100755 --- a/scripts/live +++ b/scripts/live @@ -8,6 +8,7 @@ echo "/root/lib" >> /etc/ld.so.conf echo "/root/usr/lib" >> /etc/ld.so.conf mountpoint="/live/image" +alt_mountpoint="/media" LIVE_MEDIA_PATH="live" root_persistence="live-rw" @@ -33,9 +34,6 @@ then touch /etc/mtab fi -[ -f /etc/live.conf ] && . /etc/live.conf -export USERNAME USERFULLNAME HOSTNAME - . /scripts/live-helpers if [ ! -f /live.vars ] @@ -53,31 +51,11 @@ Arguments () case "${ARGUMENT}" in skipconfig) NOACCESSIBILITY="Yes" - NOAPPARMOR="Yes" - NOAPTCDROM="Yes" - NOAUTOLOGIN="Yes" - NOCONSOLEKEYBOARD="Yes" NOFASTBOOT="Yes" NOFSTAB="Yes" - NOGNOMEPANEL="Yes" - NOHOSTS="Yes" - NOJOCKEY="Yes" - NOKPERSONALIZER="Yes" - NOLANGUAGESELECTOR="Yes" - NOLOCALES="Yes" NONETWORKING="Yes" - NOPOLKITCONF="Yes" - NOPOWERMANAGEMENT="Yes" - NOPROGRAMCRASHES="Yes" - NOSUDO="Yes" - NOTIMEZONE="Yes" - NOUPDATENOTIFIER="Yes" - NOUSER="Yes" - NOXAUTOCONFIG="Yes" - NOXAUTOLOGIN="Yes" - NOXSCREENSAVER="Yes" - - export NOACCESSIBILITY NOAPPARMOR NOAPTCDROM NOAUTOLOGIN NOCONSOLEKEYBOARD NOFASTBOOT NOFSTAB NOGNOMEPANEL NOHOSTS NOJOCKEY NOKPERSONALIZER NOLANGUAGESELECTOR NOLOCALES NONETWORKING NOPOLKITCONF NOPOWERMANAGEMENT NOPROGRAMCRASHES NOSUDO NOTIMEZONE NOUPDATENOTIFIER NOUSER NOXAUTOCONFIG NOXAUTOLOGIN NOXSCREENSAVER + + export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING ;; access=*) @@ -90,6 +68,10 @@ Arguments () export DEFCONSOLE ;; + BOOTIF=*) + BOOTIF="${x#BOOTIF=}" + ;; + debug) DEBUG="Yes" export DEBUG @@ -97,14 +79,21 @@ Arguments () 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=*) @@ -113,20 +102,15 @@ Arguments () ;; fetch=*) - FETCH="${ARGUMENT#fetch=}" - export FETCH - ;; + FETCH="${ARGUMENT#fetch=}" + export FETCH + ;; forcepersistentfsck) FORCEPERSISTENTFSCK="Yes" export FORCEPERSISTENTFSCK ;; - hook=*) - HOOK="${ARGUMENT#hook=}" - export HOOK - ;; - ftpfs=*) FTPFS="${ARGUMENT#ftpfs=}" export FTPFS @@ -137,10 +121,17 @@ Arguments () export HTTPFS ;; - hostname=*) - HOSTNAME="${ARGUMENT#hostname=}" - LIVECONF="changed" - export HOSTNAME LIVECONF + iscsi=*) + ISCSI="${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="${ISCSI#*;}" + export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT ;; isofrom=*|fromiso=*) @@ -148,18 +139,6 @@ Arguments () export FROMISO ;; - username=*) - USERNAME="${ARGUMENT#username=}" - LIVECONF="changed" - export USERNAME LIVECONF - ;; - - userfullname=*) - USERFULLNAME="${ARGUMENT#userfullname=}" - LIVECONF="changed" - export USERFULLNAME LIVECONF - ;; - ignore_uuid) IGNORE_UUID="Yes" export IGNORE_UUID @@ -181,31 +160,6 @@ Arguments () export STATICIP ;; - keyb=*|kbd-chooser/method=*) - KBD="${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 @@ -236,17 +190,6 @@ Arguments () 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="${ARGUMENT#module=}" export MODULE @@ -272,31 +215,6 @@ Arguments () export NOACCESSIBILITY ;; - noapparmor) - NOAPPARMOR="Yes" - export NOAPPARMOR - ;; - - noaptcdrom) - NOAPTCDROM="Yes" - export NOAPTCDROM - ;; - - noautologin) - NOAUTOLOGIN="Yes" - export NOAUTOLOGIN - ;; - - noxautologin) - NOXAUTOLOGIN="Yes" - export NOXAUTOLOGIN - ;; - - noconsolekeyboard) - NOCONSOLEKEYBOARD="Yes" - export NOCONSOLEKEYBOARD - ;; - nofastboot) NOFASTBOOT="Yes" export NOFASTBOOT @@ -307,54 +225,13 @@ Arguments () export NOFSTAB ;; - nognomepanel) - NOGNOMEPANEL="Yes" - export NOGNOMEPANEL - ;; - - nohosts) - NOHOSTS="Yes" - export NOHOSTS - ;; - - nokpersonalizer) - NOKPERSONALIZER="Yes" - export NOKPERSONALIZER - ;; - - nolanguageselector) - NOLANGUAGESELECTOR="Yes" - export NOLANGUAGESELECTOR - ;; - - nolocales) - NOLOCALES="Yes" - export NOLOCALES - ;; - nonetworking) NONETWORKING="Yes" export NONETWORKING ;; - nopowermanagement) - NOPOWERMANAGEMENT="Yes" - export NOPOWERMANAGEMENT - ;; - - noprogramcrashes) - NOPROGRAMCRASHES="Yes" - export NOPROGRAMCRASHES - ;; - - nojockey) - NOJOCKEY="Yes" - export NOJOCKEY - ;; - - nosudo) - NOSUDO="Yes" - export NOSUDO + ramdisk-size=*) + ramdisk_size="${ARGUMENT#ramdisk-size=}" ;; swapon) @@ -362,26 +239,6 @@ Arguments () 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 @@ -413,6 +270,16 @@ Arguments () export NOPERSISTENT ;; + noprompt) + NOPROMPT="Yes" + export NOPROMPT + ;; + + noprompt=*) + NOPROMPT="${ARGUMENT#noprompt=}" + export NOPROMPT + ;; + quickusbmodules) QUICKUSBMODULES="Yes" export QUICKUSBMODULES @@ -428,25 +295,6 @@ Arguments () export NOPRESEED ;; - url=*) - URL_LOCATION="${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 - [ "${NETBOOT}" ] || chroot /root dhclient eth0 - chroot /root wget -P /tmp "${URL_LOCATION}" - [ "${NETBOOT}" ] || chroot /root ifconfig eth0 down - - umount /root/sys - umount /root/proc - umount /root/dev - - LOCATIONS="/tmp/$(basename ${URL_LOCATION}) ${LOCATIONS}" - ;; - */*=*) question="${ARGUMENT%%=*}" value="${ARGUMENT#*=}" @@ -464,21 +312,6 @@ Arguments () export SILENT ;; - textonly) - TEXTONLY="Yes" - export TEXTONLY - ;; - - timezone=*) - TIMEZONE="${ARGUMENT#timezone=}" - export TIMEZONE - ;; - - notimezone) - NOTIMEZONE="Yes" - export NOTIMEZONE - ;; - todisk=*) TODISK="${ARGUMENT#todisk=}" export TODISK @@ -506,9 +339,9 @@ Arguments () ;; skipunion) - SKIP_UNION_MOUNTS="Yes" - export SKIP_UNION_MOUNTS - ;; + SKIP_UNION_MOUNTS="Yes" + export SKIP_UNION_MOUNTS + ;; root=*) ROOT="${ARGUMENT#root=}" @@ -519,26 +352,6 @@ Arguments () 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 @@ -667,7 +480,7 @@ is_nice_device () { 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]$' @@ -676,6 +489,9 @@ is_nice_device () elif echo ${sysfs_path} | grep -q "^/block/dm-" then return 0 + elif echo ${sysfs_path} | grep -q "^/block/mtdblock" + then + return 0 fi return 1 @@ -730,6 +546,13 @@ copy_live_to () return 1 fi + # Custom ramdisk size + if [ -z "${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}" log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}" @@ -759,7 +582,11 @@ copy_live_to () 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} # "cp -a" from busybox also copies hidden files + 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 ${copyto} + fi fi fi @@ -771,19 +598,68 @@ copy_live_to () return 0 } -do_netmount () +do_netsetup () { - rc=1 - modprobe -q af_packet # For DHCP udevadm trigger udevadm settle + [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15 + echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration." + if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \ [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ] then + + # support for Syslinux IPAPPEND parameter + # it sets the BOOTIF variable on the kernel parameter + + if [ -n "${BOOTIF}" ] + then + # 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=${device##*/} + break + fi + fi + done + fi + # if ethdevice was not specified on the kernel command line # make sure we try to get a working network configuration # for *every* present network device (except for loopback of course) @@ -802,9 +678,6 @@ do_netmount () devlist="$devlist $device" done - [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15 - echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration." - # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into # an endless loop; iff execution fails give it two further tries, that's # why we use '$devlist $devlist $devlist' for the other for loop @@ -828,34 +701,74 @@ do_netmount () done else - ipconfig ${DEVICE} | tee /netboot.config + for interface in ${DEVICE}; do + ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config + [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf + if [ "$IPV4ADDR" != "0.0.0.0" ] + then + break + fi + done fi - # source relevant ipconfig output - OLDHOSTNAME=${HOSTNAME} - . /tmp/net-${DEVICE}.conf - [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME} - export HOSTNAME + 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 - # Check if we have a network device at all - if ! ls /sys/class/net/"$DEVICE" > /dev/null 2>&1 && \ - ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \ - ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \ - ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \ - ! ls /sys/class/net/ra0 > /dev/null 2>&1 - then - panic "No supported network device found, maybe a non-mainline driver is required." - fi + if [ -n "${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" ] @@ -879,22 +792,76 @@ do_netmount () 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 @@ -922,9 +889,16 @@ do_httpmount () 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 ;; @@ -937,7 +911,15 @@ do_httpmount () 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 ${rc} @@ -1002,6 +984,8 @@ do_snap_copy () if [ -b "${fromdev}" ] then + log_success_msg "Copying snapshot ${fromdev} to ${todir}..." + # look for free mem if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ] then @@ -1039,9 +1023,8 @@ do_snap_copy () return 0 else - return 1 - log_warning_msg "Unable to find the snapshot ${snap_type} medium" + return 1 fi } @@ -1049,28 +1032,39 @@ find_snap () { # 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}" } 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 @@ -1079,19 +1073,20 @@ try_snap () 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 @@ -1107,9 +1102,20 @@ try_snap () 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}/${snapfile}" ] + then + BEFOREDIR="$(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} | cpio $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\"" + log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\"" fi fi @@ -1137,7 +1143,7 @@ try_snap () if ! do_snap_copy "${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}" ] @@ -1147,11 +1153,11 @@ try_snap () 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 } @@ -1159,7 +1165,7 @@ setup_unionfs () { image_directory="${1}" rootmnt="${2}" - addimage_directory="${3}" + addimage_directory="${3}" case ${UNIONTYPE} in aufs|unionfs) @@ -1188,7 +1194,6 @@ setup_unionfs () croot="/" # Let's just mount the read-only file systems first - rofsstring="" rofslist="" if [ "${UNIONTYPE}" = "aufs" ] @@ -1248,7 +1253,7 @@ setup_unionfs () image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )" fi - [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})" + [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})" mkdir -p "${croot}" @@ -1265,7 +1270,6 @@ setup_unionfs () if [ -d "${image}" ] then # it is a plain directory: do nothing - rofsstring="${image}=${roopt}:${rofsstring}" rofslist="${image} ${rofslist}" elif [ -f "${image}" ] then @@ -1288,9 +1292,17 @@ setup_unionfs () 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}" + 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 ${mpoint}" log_end_msg fi done @@ -1298,14 +1310,14 @@ setup_unionfs () # we have a plain root system mkdir -p "${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 ${croot}/filesystem" && rofsstring="${croot}/filesystem=${roopt}:${rofsstring}" && rofslist="${croot}/filesystem ${rofslist}" + 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 $mountpoint log_end_msg fi - rofsstring=${rofsstring%:} - mkdir -p /cow # Looking for "${root_persistence}" device or file @@ -1404,29 +1416,33 @@ setup_unionfs () cow_mountopt="rw,noatime,mode=755" fi - if [ "${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: ${cow_fstype}) on /cow" + + if [ "${cow_fstype}" = "nfs" ] + 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: ${cow_fstype}) on /cow" + fi fi rofscount=$(echo ${rofslist} |wc -w) - if [ -n "${EXPOSED_ROOT}" ] + if [ ${rofscount} -ne 1 ] then - if [ ${rofscount} -ne 1 ] - then - panic "only one RO file system supported with exposedroot: ${rofslist}" - fi - exposedrootfs=${rofslist%% } + panic "only one RO file system supported with exposedroot: ${rofslist}" + fi + rofs=${rofslist%% } - mount --bind ${exposedrootfs} ${rootmnt} || \ - panic "bind mount of ${exposedrootfs} failed" + if [ -n "${EXPOSED_ROOT}" ] + then + mount --bind ${rofs} ${rootmnt} || \ + panic "bind mount of ${rofs} failed" if [ -z "${SKIP_UNION_MOUNTS}" ] then @@ -1434,35 +1450,49 @@ setup_unionfs () else cow_dirs='' fi + else + cow_dirs="/" + fi - for dir in ${cow_dirs}; do - mkdir -p /cow${dir} + if [ "${cow_fstype}" != "tmpfs" ] && [ "${cow_dirs}" != "/" ] && [ "${UNIONTYPE}" = "unionmount" ] + then + true # FIXME: Maybe it does, I don't really know. + #panic "unionmount does not support subunions (${cow_dirs})." + fi - case "${UNIONTYPE}" in - unionfs-fuse) - (ulimit -n 16384; unionfs-fuse -o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid /cow=RW:${exposedrootfs}${dir} "${rootmnt}${dir}" || panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option cow,noinitgroups,default_permissions,allow_other,use_ino,suid=/cow=RW:${exposedrootfs}${dir}") - mkdir -p /dev/.initramfs/varrun - pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true - ;; + unionmountopts="" + unionmountpoint="" - *) - 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" - ;; - esac - done - else + for dir in ${cow_dirs}; do + mkdir -p /cow${dir} + + unionmountpoint="${rootmnt}${dir}" + unionrw="/cow${dir}" + unionro="${rofs}${dir}" + # We don't handle spaces and other junk gracefully here, hopefully not needed. case "${UNIONTYPE}" in unionfs-fuse) - (ulimit -n 16384; unionfs-fuse -o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid /cow=RW:${rofsstring} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option cow,noinitgroups,default_permissions,allow_other,use_ino,suid=/cow:RW:${rofsstring}") - mkdir -p /dev/.initramfs/varrun - pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true + unionmountopts="-o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid" + unionmountopts="${unionmountopts} ${unionrw}=RW:${unionro}=RO" + ( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384 + unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \ + ( mkdir -p /run/initramfs + pidof unionfs-fuse >> /run/initramfs/sendsigs.omit || true ) ;; + unionmount) + unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}" + mount_full $unionmountopts "${unionmountpoint}" + ;; + + *) - 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:${rofsstring}" + unionmountopts="-o noatime,${noxino_opt}dirs=${unionrw}=rw:${unionro}=${roopt}" + mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}" ;; - esac - fi + esac || \ + panic "mount ${UNIONTYPE} on ${unionmountpoint} failed with option ${unionmountopts}" + done # Correct the permissions of /: chmod 0755 "${rootmnt}" @@ -1489,7 +1519,7 @@ setup_unionfs () # 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 "${SHOWMOUNTS}" ] @@ -1549,13 +1579,19 @@ check_dev () if [ "$ISO_DEVICE" = "/" ] then - echo "Warning: device for bootoption isofrom= ($FROMISO) not found.">>/live.log + echo "Warning: device for bootoption isofrom= ($FROMISO) not found.">>/live-boot.log else - mkdir /isofrom - mount "$ISO_DEVICE" /isofrom - ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")" - loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '') - devname="${loopdevname}" + fs_type=$(get_fstype "${ISO_DEVICE}") + if is_supported_fs ${fs_type} + then + mkdir /isofrom + mount -t $fs_type "$ISO_DEVICE" /isofrom + ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")" + loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '') + devname="${loopdevname}" + else + echo "Warning: unable to mount $ISO_DEVICE." >>/live.log + fi fi fi @@ -1631,8 +1667,7 @@ find_livefs () do if [ "$(cat ${sysblock}/removable)" = "1" ] then - if readlink ${sysblock} | grep -q usb || - readlink ${sysblock}/device | grep -q usb # linux < 2.6.29 + if readlink ${sysblock} | grep -q usb then for dev in $(subdevices "${sysblock}") do @@ -1710,6 +1745,7 @@ find_livefs () fi done elif [ "${fstype}" = "squashfs" -o \ + "${fstype}" = "btrfs" -o \ "${fstype}" = "ext2" -o \ "${fstype}" = "ext3" -o \ "${fstype}" = "ext4" -o \ @@ -1717,7 +1753,7 @@ find_livefs () then # This is an ugly hack situation, the block device has # an image directly on it. It's hopefully - # live-initramfs, so take it and run with it. + # live-boot, so take it and run with it. ln -s "${devname}" "${devname}.${fstype}" echo "${devname}.${fstype}" return 0 @@ -1727,16 +1763,6 @@ find_livefs () 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="${1}" @@ -1763,25 +1789,17 @@ integrity_check () fi } -start_usplash_pulse () -{ - if [ -x /sbin/usplash_write ] - then - /sbin/usplash_write "PULSELOGO" - fi -} - mountroot () { - if [ -x /scripts/local-top/cryptroot ]; then + if [ -x /scripts/local-top/cryptroot ]; then /scripts/local-top/cryptroot fi exec 6>&1 exec 7>&2 - exec > live.log + exec > live-boot.log exec 2>&1 - tail -f live.log >&7 & + tail -f live-boot.log >&7 & tailpid="${!}" # Ensure 'panic' function is overridden @@ -1789,9 +1807,6 @@ mountroot () Arguments - set_usplash_timeout - start_usplash_pulse - maybe_break live-premount log_begin_msg "Running /scripts/live-premount" run_scripts /scripts/live-premount @@ -1800,8 +1815,6 @@ mountroot () # 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 @@ -1811,11 +1824,28 @@ mountroot () 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 [ "$i" -lt 60 ] @@ -1876,6 +1906,11 @@ mountroot () mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}" fi + + if [ -n "${ROOT_PID}" ] ; then + echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid + fi + log_end_msg # unionfs-fuse needs /dev to be bind-mounted for the duration of @@ -1885,27 +1920,37 @@ mountroot () mount -n -o bind /dev "${rootmnt}/dev" fi - # Open up two fifo's fd's for debconf-communicate to use. Speeds up - # the live-initramfs process considerably. - log_begin_msg "Creating debconf-communicate fifo mechanism" - mkfifo /tmp/debconf-in.fifo - mkfifo /tmp/debconf-out.fifo - - chroot /root debconf-communicate -fnoninteractive live-initramfs > /tmp/debconf-out.fifo < /tmp/debconf-in.fifo & + # 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 - # Save the PID so it can be killed later. - DEBCONF_COMMUNICATE_PID="$!" + # 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 [ ! -p /tmp/debconf-in.fifo ] || [ ! -p /tmp/debconf-out.fifo ] + # copy snapshot configuration if exists + if [ -f snapshot.conf ] then - log_warning_msg "failed to setup debconf-communicate channel" + 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 - log_end_msg - # Order matters! - # These file descriptors must stay open until we're finished with - # debconf-communicate. - exec 4/tmp/debconf-in.fifo + 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 ${rootmnt}/etc/resolv.conf + log_end_msg + fi maybe_break live-bottom log_begin_msg "Running /scripts/live-bottom\n" @@ -1918,17 +1963,8 @@ mountroot () umount "${rootmnt}/dev" fi - # Close the fd's associated with debconf-communicate - exec 3>&- 4<&- - rm -f /tmp/debconf-in.fifo - rm -f /tmp/debconf-out.fifo - exec 1>&6 6>&- 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 + [ -w "${rootmnt}/var/log/" ] && cp live-boot.log "${rootmnt}/var/log/" 2>/dev/null }