X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive;h=c5f4d503e10cc51f04fed837114658b0b8035322;hb=55f18c76f09ca7e86bb14a1b5131ced120ba8026;hp=60a2c334cd01be76ebfe14d29c70b480e69d1c81;hpb=337fa0ddb94f6fee3ac994daf7e31a995ac1f959;p=live-boot-grml.git diff --git a/scripts/live b/scripts/live index 60a2c33..c5f4d50 100755 --- a/scripts/live +++ b/scripts/live @@ -68,6 +68,10 @@ Arguments () export DEFCONSOLE ;; + BOOTIF=*) + BOOTIF="${x#BOOTIF=}" + ;; + debug) DEBUG="Yes" export DEBUG @@ -262,6 +266,16 @@ Arguments () export NOPERSISTENT ;; + noprompt) + NOPROMPT="Yes" + export NOPROMPT + ;; + + noprompt=*) + NOPROMPT="${ARGUMENT#noprompt=}" + export NOPROMPT + ;; + quickusbmodules) QUICKUSBMODULES="Yes" export QUICKUSBMODULES @@ -321,9 +335,9 @@ Arguments () ;; skipunion) - SKIP_UNION_MOUNTS="Yes" - export SKIP_UNION_MOUNTS - ;; + SKIP_UNION_MOUNTS="Yes" + export SKIP_UNION_MOUNTS + ;; root=*) ROOT="${ARGUMENT#root=}" @@ -577,10 +591,61 @@ do_netsetup () udevadm trigger udevadm settle + [ -n "$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=${device##*/} + break + fi + fi + done + fi + # if ethdevice was not specified on the kernel command line # make sure we try to get a working network configuration # for *every* present network device (except for loopback of course) @@ -599,9 +664,6 @@ do_netsetup () devlist="$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 @@ -625,45 +687,54 @@ do_netsetup () done else - ipconfig ${DEVICE} | tee /netboot.config - fi - - # source relevant ipconfig output - OLDHOSTNAME=${HOSTNAME} - . /tmp/net-${DEVICE}.conf - [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME} - export HOSTNAME - - if [ -n "${DEVICE}" ] - then - HWADDR="$(cat /sys/class/net/${DEVICE}/address)" + 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 - if [ ! -e "/etc/resolv.conf" ] - then - echo "Creating /etc/resolv.conf" + 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 "${DNSDOMAIN}" ] + if [ -n "${interface}" ] then - echo "domain ${DNSDOMAIN}" > /etc/resolv.conf - echo "search ${DNSDOMAIN}" > /etc/resolv.conf + HWADDR="$(cat /sys/class/net/${interface}/address)" fi - for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1} - do - echo "nameserver $i" >> /etc/resolv.conf - done - fi + if [ ! -e "/etc/resolv.conf" ] + then + echo "Creating /etc/resolv.conf" - # Check if we have a network device at all - if ! ls /sys/class/net/"$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 "${DNSDOMAIN}" ] + then + echo "domain ${DNSDOMAIN}" > /etc/resolv.conf + echo "search ${DNSDOMAIN}" > /etc/resolv.conf + fi + + for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1} + do + echo "nameserver $i" >> /etc/resolv.conf + done + fi + + # Check if we have a network device at all + if ! ls /sys/class/net/"$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() @@ -896,6 +967,8 @@ 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 @@ -933,9 +1006,8 @@ do_snap_copy () return 0 else - return 1 - log_warning_msg "Unable to find the snapshot ${snap_type} medium" + return 1 fi } @@ -943,16 +1015,17 @@ 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}" } @@ -965,6 +1038,16 @@ try_snap () 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 "${snapdata}" ] then @@ -1002,8 +1085,16 @@ try_snap () cpioargs='--unconditional --make-directories' fi - cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null - RES="$?" + 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 @@ -1035,7 +1126,7 @@ 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}" ] @@ -1045,11 +1136,11 @@ 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 } @@ -1186,9 +1277,16 @@ 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}" + rofsstring="${mpoint}=${roopt}:${rofsstring}" && rofslist="${mpoint} ${rofslist}" + else + mpoint="${rootmnt}" + fi + mkdir -p "${mpoint}" + log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\"" + mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}" log_end_msg fi done @@ -1302,6 +1400,9 @@ setup_unionfs () cow_mountopt="rw,noatime,mode=755" fi + if [ "${UNIONTYPE}" != "unionmount" ] + then + if [ "${cow_fstype}" = "nfs" ] then log_begin_msg \ @@ -1312,6 +1413,7 @@ setup_unionfs () 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) @@ -1356,6 +1458,10 @@ setup_unionfs () pidof unionfs-fuse >> /dev/.initramfs/varrun/sendsigs.omit || true ;; + unionmount) + mount_full -t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice} "${rootmnt}" || panic "${UNIONTYPE} ${cowdevice} on ${rootmnt} failed with option noatime,union,${cow_mountopt}" + ;; + *) mount -t ${UNIONTYPE} -o noatime,${noxino_opt}dirs=/cow=rw:${rofsstring} ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on ${rootmnt} failed with option noatime,${noxino_opt}dirs=/cow=rw:${rofsstring}" ;; @@ -1387,7 +1493,7 @@ setup_unionfs () # Look for other snapshots to copy in try_snap "${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}" ] @@ -1796,6 +1902,18 @@ mountroot () # when booting FAI, this simple workaround solves it ls /root/* >/dev/null 2>&1 + # copy snapshot configuration if exists + if [ -f snapshot.conf ] + then + log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d" + if [ ! -d "${rootmnt}/etc/live/boot.d" ] + then + mkdir -p "${rootmnt}/etc/live/boot.d" + fi + cp snapshot.conf "${rootmnt}/etc/live/boot.d/" + log_end_msg + fi + maybe_break live-bottom log_begin_msg "Running /scripts/live-bottom\n"