X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Fboot.sh;h=67585f9c9558795a5bc2c6fb3cc9e4f3c01d43f9;hb=795263e539a2be0dab9903968d323bef223a1b7a;hp=83114a2ac5c0b621f2e83975f337df9ba8cdf019;hpb=fea4312679b6d371123296d1a5d9987419888487;p=live-boot-grml.git diff --git a/scripts/boot.sh b/scripts/boot.sh index 83114a2..67585f9 100755 --- a/scripts/boot.sh +++ b/scripts/boot.sh @@ -2,1699 +2,19 @@ # set -e -export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin" - -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" - -HOSTNAME="host" - -mkdir -p "${mountpoint}" -tried="/tmp/tried" - -# Create /etc/mtab for debug purpose and future syncs -if [ ! -d /etc ] -then - mkdir /etc/ -fi - -if [ ! -f /etc/mtab ] -then - touch /etc/mtab -fi - -. /scripts/live-helpers - -if [ ! -f /live.vars ] -then - touch /live.vars -fi - -is_live_path () -{ - DIRECTORY="${1}" - - if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ] +# Reading configuration file from filesystem and live-media +for _FILE in /etc/live/boot.conf /etc/live/boot/* +do + if [ -e "${_FILE}" ] then - for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2 - do - if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ] - then - return 0 - fi - done + . "${_FILE}" fi +done - return 1 -} - -matches_uuid () -{ - if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ] - then - return 0 - fi - - path="${1}" - uuid="$(cat /conf/uuid.conf)" - - for try_uuid_file in "${path}/.disk/live-uuid"* - do - [ -e "${try_uuid_file}" ] || continue - - try_uuid="$(cat "${try_uuid_file}")" - - if [ "${uuid}" = "${try_uuid}" ] - then - return 0 - fi - done - - return 1 -} - -get_backing_device () -{ - case "${1}" in - *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2) - echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}") - ;; - - *.dir) - echo "directory" - ;; - - *) - panic "Unrecognized live filesystem: ${1}" - ;; - esac -} - -match_files_in_dir () -{ - # Does any files match pattern ${1} ? - local pattern="${1}" - - if [ "$(echo ${pattern})" != "${pattern}" ] - then - return 0 - fi - - return 1 -} - -mount_images_in_directory () -{ - directory="${1}" - rootmnt="${2}" - mac="${3}" - - - if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" || - match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir" - then - [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}" - setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}" - else - panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}." - fi -} - -is_nice_device () -{ - sysfs_path="${1#/sys}" - - 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 ${sysfs_path} | grep -q "^/block/mtdblock" - then - return 0 - fi - - return 1 -} - -copy_live_to () -{ - copyfrom="${1}" - copytodev="${2}" - copyto="${copyfrom}_swap" - - if [ -z "${MODULETORAM}" ] - then - size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used") - else - MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}" - - if [ -f "${MODULETORAMFILE}" ] - then - size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 ) - else - log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read." - return 1 - fi - fi - - if [ "${copytodev}" = "ram" ] - then - # copying to ram: - freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo) - mount_options="-o size=${size}k" - free_string="memory" - fstype="tmpfs" - dev="/dev/shm" - else - # it should be a writable block device - if [ -b "${copytodev}" ] - then - dev="${copytodev}" - free_string="space" - fstype=$(get_fstype "${dev}") - freespace=$(fs_size "${dev}") - else - log_warning_msg "${copytodev} is not a block device." - return 1 - fi - fi - - if [ "${freespace}" -lt "${size}" ] - then - log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}." - return 1 - fi - - # Custom ramdisk size - if [ -z "${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} ${copyto}" - mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}" - - if [ "${extension}" = "tgz" ] - then - cd "${copyto}" - tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})" - rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})" - mount -r -o move "${copyto}" "${rootmnt}" - cd "${OLDPWD}" - else - if [ -n "${MODULETORAMFILE}" ] - then - 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 - 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} - mount -r -o move ${copyto} ${copyfrom} - fi - - rmdir ${copyto} - return 0 -} - -do_netsetup () -{ - modprobe -q af_packet # For DHCP - - udevadm trigger - udevadm settle - - [ -n "$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=${device##*/} - break - fi - fi - done - fi - - # if ethdevice was not specified on the kernel command line - # make sure we try to get a working network configuration - # for *every* present network device (except for loopback of course) - if [ -z "$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}:${ROOTPATH} - fi - - rc=1 - - if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) - then - do_httpmount - return $? - fi - - if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ] - then - NFSROOT=${ROOTSERVER}:${NFSROOT} - fi - - log_begin_msg "Trying netboot from ${NFSROOT}" - - if [ "${NETBOOT}" != "nfs" ] && do_cifsmount - then - rc=0 - elif do_nfsmount - then - NETBOOT="nfs" - export NETBOOT - rc=0 - fi - - log_end_msg - 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: $devices)." - else - panic "Failed to locate iSCSI host in /sys" - fi -} - -do_httpmount () -{ - rc=1 - - for webfile in HTTPFS FTPFS FETCH - do - local url="$(eval echo \"\$\{${webfile}\}\")" - local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')" - - if [ -n "$url" ] - then - case "${extension}" in - 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 $url | sed -e 's|tftp://||g' -e 's|/.*$||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 - ;; - - *) - log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})" - wget "${url}" -O "${dest}/$(basename ${url})" - ;; - esac - else - log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})" - if [ "${webfile}" = "FTPFS" ] - then - FUSE_MOUNT="curlftpfs" - url="$(dirname ${url})" - else - FUSE_MOUNT="httpfs" - 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 - ;; - - *) - log_begin_msg "Unrecognized archive extension for ${url}" - ;; - esac - fi - done - - if [ ${rc} != 0 ] - then - if [ -d "${alt_mountpoint}" ] - then - umount "${alt_mountpoint}" - rmdir "${alt_mountpoint}" - fi - umount "${mountpoint}" - elif [ "${webfile}" != "FETCH" ] ; then - NETBOOT="${webfile}" - export NETBOOT - fi - - return ${rc} -} - -do_nfsmount () -{ - rc=1 - - modprobe -q nfs - - if [ -n "${NFSOPTS}" ] - then - NFSOPTS="-o ${NFSOPTS}" - fi - - log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}" - - # FIXME: This while loop is an ugly HACK round an nfs bug - i=0 - while [ "$i" -lt 60 ] - do - nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break - sleep 1 - i="$(($i + 1))" - done - - return ${rc} -} - -do_cifsmount () -{ - rc=1 - - if [ -x "/sbin/mount.cifs" ] - then - if [ -z "${NFSOPTS}" ] - then - CIFSOPTS="-ouser=root,password=" - else - CIFSOPTS="-o ${NFSOPTS}" - fi - - log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}" - modprobe -q cifs - - if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}" - then - rc=0 - fi - fi - - return ${rc} -} - -do_snap_copy () -{ - fromdev="${1}" - todir="${2}" - snap_type="${3}" - size=$(fs_size "${fromdev}" "" "used") - - 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 $4}') - else - freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo) - fi - - tomount="/mnt/tmpsnap" - - if [ ! -d "${tomount}" ] - then - mkdir -p "${tomount}" - fi - - fstype=$(get_fstype "${fromdev}") - - if [ -n "${fstype}" ] - then - # Copying stuff... - mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}" - cp -a "${tomount}"/* ${todir} - umount "${tomount}" - else - log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}" - fi - - rmdir "${tomount}" - - if echo ${fromdev} | grep -qs loop - then - losetup -d "${fromdev}" - fi - - return 0 - else - log_warning_msg "Unable to find the snapshot ${snap_type} medium" - return 1 - fi -} - -try_snap () -{ - # 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 - log_success_msg "found snapshot: ${snapdata}" - snapdev="$(echo ${snapdata} | cut -f1 -d ' ')" - snapback="$(echo ${snapdata} | cut -f2 -d ' ')" - snapfile="$(echo ${snapdata} | cut -f3 -d ' ')" - - if ! try_mount "${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="$?" - else - # cpio.gz snapshot - - # Unfortunately klibc's cpio is incompatible with the - # rest of the world; everything else requires -u -d, - # while klibc doesn't implement them. Try to detect - # whether it's in use. - cpiopath="$(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} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\"" - fi - fi - - umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\"" - - if [ "${RES}" != "0" ] - then - log_warning_msg "Impossible to include the ${snapfile} Snapshot file" - fi - - elif [ -b "${snapdata}" ] - then - # Try to find if it could be a snapshot partition - dev="${snapdata}" - log_success_msg "found snapshot ${snap_type} device on ${dev}" - if echo "${dev}" | grep -qs loop - then - # strange things happens, user confused? - snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' ) - snapfile=$(basename ${snaploop}) - snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts) - else - snapdev="${dev}" - fi - - if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}" - then - log_warning_msg "Impossible to include the ${snap_type} Snapshot (i)" - return 1 - else - if [ -n "${snapfile}" ] - then - # it was a loop device, user confused - umount ${snapdev} - fi - fi - else - log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)" - return 1 - fi - - if [ -z ${PERSISTENCE_READONLY} ] - then - echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt - fi - return 0 -} - -setup_unionfs () -{ - image_directory="${1}" - rootmnt="${2}" - 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 ] +for _SCRIPT in /lib/live/boot/????-* +do + if [ -e "${_SCRIPT}" ] then - modprobe fuse + . ${_SCRIPT} fi - - # run-init can't deal with images in a subdir, but we're going to - # move all of these away before it runs anyway. No, we're not, - # put them in / since move-mounting them into / breaks mono and - # some other apps. - - croot="/" - - # Let's just mount the read-only file systems first - rofslist="" - - if [ -z "${PLAIN_ROOT}" ] - then - # 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}"/*."${FILESYSTEM}" - do - if [ -e "${IMAGE}" ] - then - image_string="${image_string} ${IMAGE}" - fi - done - done - - if [ -n "${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} ${IMAGE}" - fi - done - done - fi - - # Now sort the list - image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )" - fi - - [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})" - - mkdir -p "${croot}" - - for image in ${image_string} - do - imagename=$(basename "${image}") - - export image devname - maybe_break live-realpremount - log_begin_msg "Running /scripts/live-realpremount" - run_scripts /scripts/live-realpremount - log_end_msg - - if [ -d "${image}" ] - then - # it is a plain directory: do nothing - 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}") - - 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 ${fstype}." - fi - - if [ "${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 $mountpoint - log_end_msg - fi - - # tmpfs file systems - touch /etc/fstab - mkdir -p /live - mount -t tmpfs tmpfs /live - mkdir -p /live/overlay - - # Looking for persistence devices or files - if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] - then - - if [ -z "${QUICKUSBMODULES}" ] - 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 - - udevadm trigger - udevadm settle - - # 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 ${num_block} ] - then - break - fi - done - fi - - case "${PERSISTENCE_MEDIA}" in - removable) - whitelistdev="$(removable_dev)" - ;; - removable-usb) - whitelistdev="$(removable_usb_dev)" - ;; - *) - whitelistdev="" - ;; - esac - - if is_in_comma_sep_list overlay ${PERSISTENCE_METHOD} - then - overlays="${old_root_overlay_label} ${old_home_overlay_label} ${custom_overlay_label}" - fi - - if is_in_comma_sep_list snapshot ${PERSISTENCE_METHOD} - then - snapshots="${root_snapshot_label} ${home_snapshot_label}" - fi - - 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 ${NFS_COW}|grep -q ',' - then - nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)" - nfs_cow=$(echo ${NFS_COW}|cut -d, -f1) - else - nfs_cow_opts="-o nolock" - nfs_cow=${NFS_COW} - fi - - if [ -n "${PERSISTENCE_READONLY}" ] - then - nfs_cow_opts="${nfs_cow_opts},nocto,ro" - fi - - mac="$(get_mac)" - if [ -n "${mac}" ] - then - cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/") - cow_fstype="nfs" - else - panic "unable to determine mac address" - fi - fi - - if [ -z "${cowdevice}" ] - then - cowdevice="tmpfs" - cow_fstype="tmpfs" - cow_mountopt="rw,noatime,mode=755" - fi - - if [ "${UNIONTYPE}" != "unionmount" ] - then - 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 - - mount --bind ${rofs} ${rootmnt} || \ - panic "bind mount of ${rofs} failed" - - if [ -z "${SKIP_UNION_MOUNTS}" ] - then - cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live' - else - cow_dirs='' - fi - else - cow_dirs="/" - fi - - 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 - - for dir in ${cow_dirs}; do - unionmountpoint="${rootmnt}${dir}" - mkdir -p ${unionmountpoint} - if [ "${UNIONTYPE}" = "unionmount" ] - then - # FIXME: handle PERSISTENCE_READONLY - unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}" - mount_full $unionmountopts "${unionmountpoint}" - else - 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 ${unionmountopts}" - done - - # Correct the permissions of /: - chmod 0755 "${rootmnt}" - - 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 ${rofslist} - do - live_rofs="/live/rofs/${d##*/}" - live_rofs_list="${live_rofs_list} ${live_rofs}" - mkdir -p "${live_rofs}" - case d in - *.dir) - # do nothing # mount -o bind "${d}" "${live_rofs}" - ;; - *) - case "${UNIONTYPE}" in - unionfs-fuse) - mount -o bind "${d}" "${live_rofs}" - ;; - *) - mount -o move "${d}" "${live_rofs}" - ;; - esac - ;; - esac - done - fi - - # Adding custom persistence - if [ -n "${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 ${rootmnt}/live/overlay" - -} - -check_dev () -{ - sysdev="${1}" - 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 - - if [ -d "${devname}" ] - then - mount -o bind "${devname}" $mountpoint || continue - - if is_live_path $mountpoint - then - echo $mountpoint - return 0 - else - umount $mountpoint - 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*" "${LIVE_MEDIA_OFFSET}" '') - devname="${loopdevname}" - fi - - fstype=$(get_fstype "${devname}") - - 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}) - then - echo ${mountpoint} - return 0 - else - umount ${mountpoint} 2>/dev/null - fi - fi - - if [ -n "${LIVE_MEDIA_OFFSET}" ] - then - losetup -d "${loopdevname}" - fi - - return 1 -} - -find_livefs () -{ - timeout="${1}" - - # don't start autodetection before timeout has expired - if [ -n "${LIVE_MEDIA_TIMEOUT}" ] - then - if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ] - then - return 1 - fi - fi - - # first look at the one specified in the command line - case "${LIVE_MEDIA}" in - removable-usb) - for sysblock in $(removable_usb_dev "sys") - do - for dev in $(subdevices "${sysblock}") - do - if check_dev "${dev}" - then - return 0 - fi - done - done - return 1 - ;; - - removable) - for sysblock in $(removable_dev "sys") - do - for dev in $(subdevices "${sysblock}") - do - if check_dev "${dev}" - then - return 0 - fi - done - done - return 1 - ;; - - *) - if [ ! -z "${LIVE_MEDIA}" ] - then - if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check" - then - return 0 - fi - fi - ;; - esac - - # or do the scan of block devices - # prefer removable devices over non-removable devices, so scan them first - devices_to_scan="$(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 ${devname} > /dev/null - then - if check_dev "null" "${devname}" - then - return 0 - fi - elif is_nice_device "${sysblock}" - then - for dev in $(subdevices "${sysblock}") - do - if check_dev "${dev}" - then - return 0 - fi - done - elif [ "${fstype}" = "squashfs" -o \ - "${fstype}" = "btrfs" -o \ - "${fstype}" = "ext2" -o \ - "${fstype}" = "ext3" -o \ - "${fstype}" = "ext4" -o \ - "${fstype}" = "jffs2" ] - then - # This is an ugly hack situation, the block device has - # an image directly on it. It's hopefully - # live-boot, so take it and run with it. - ln -s "${devname}" "${devname}.${fstype}" - echo "${devname}.${fstype}" - return 0 - fi - done - - return 1 -} - -integrity_check () -{ - media_mountpoint="${1}" - - log_begin_msg "Checking media integrity" - - cd ${media_mountpoint} - /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8 - RC="${?}" - - log_end_msg - - if [ "${RC}" -eq 0 ] - then - log_success_msg "Everything ok, will reboot in 10 seconds." - sleep 10 - cd / - umount ${media_mountpoint} - sync - echo u > /proc/sysrq-trigger - echo b > /proc/sysrq-trigger - else - panic "Not ok, a media defect is likely, switch to VT8 for details." - fi -} - -mountroot () -{ - if [ -x /scripts/local-top/cryptroot ]; then - /scripts/local-top/cryptroot - fi - - exec 6>&1 - exec 7>&2 - exec > boot.log - exec 2>&1 - tail -f boot.log >&7 & - tailpid="${!}" - - # Ensure 'panic' function is overridden - . /scripts/live-functions - - Arguments - - maybe_break live-premount - log_begin_msg "Running /scripts/live-premount" - run_scripts /scripts/live-premount - log_end_msg - - # Needed here too because some things (*cough* udev *cough*) - # changes the timeout - - if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ] - then - if do_netmount - then - livefs_root="${mountpoint}" - else - panic "Unable to find a live file system on the network" - fi - else - if [ -n "${ISCSI_PORTAL}" ] - then - do_iscsi && livefs_root="${mountpoint}" - elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ] - then - # Do a local boot from hd - livefs_root=${ROOT} - else - if [ -x /usr/bin/memdiskfind ] - then - MEMDISK=$(/usr/bin/memdiskfind) - - if [ $? -eq 0 ] - then - # We found a memdisk, set up phram - modprobe phram phram=memdisk,${MEMDISK} - - # Load mtdblock, the memdisk will be /dev/mtdblock0 - modprobe mtdblock - fi - fi - - # Scan local devices for the image - i=0 - while [ "$i" -lt 60 ] - do - livefs_root=$(find_livefs ${i}) - - if [ -n "${livefs_root}" ] - then - break - fi - - sleep 1 - i="$(($i + 1))" - done - fi - fi - - if [ -z "${livefs_root}" ] - then - panic "Unable to find a medium containing a live file system" - fi - - if [ "${INTEGRITY_CHECK}" ] - then - integrity_check "${livefs_root}" - fi - - if [ "${TORAM}" ] - then - live_dest="ram" - elif [ "${TODISK}" ] - then - live_dest="${TODISK}" - fi - - if [ "${live_dest}" ] - then - log_begin_msg "Copying live media to ${live_dest}" - copy_live_to "${livefs_root}" "${live_dest}" - log_end_msg - fi - - # if we do not unmount the ISO we can't run "fsck /dev/ice" later on - # because the mountpoint is left behind in /proc/mounts, so let's get - # rid of it when running from RAM - if [ -n "$FROMISO" ] && [ "${TORAM}" ] - then - losetup -d /dev/loop0 - - if is_mountpoint /live/fromiso - then - umount /live/fromiso - rmdir --ignore-fail-on-non-empty /live/fromiso \ - >/dev/null 2>&1 || true - fi - fi - - if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ] - then - setup_unionfs "${livefs_root}" "${rootmnt}" - else - mac="$(get_mac)" - mac="$(echo ${mac} | sed 's/-//g')" - mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}" - fi - - - if [ -n "${ROOT_PID}" ] ; then - echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid - fi - - log_end_msg - - # unionfs-fuse needs /dev to be bind-mounted for the duration of - # live-bottom; udev's init script will take care of things after that - if [ "${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/" ] && mkdir -p /var/log/live && cp boot.log "${rootmnt}/var/log/live" 2>/dev/null -} +done