alt_mountpoint="/media"
LIVE_MEDIA_PATH="live"
-root_overlay_label="full-ov"
-custom_overlay_label="custom-ov"
-root_snapshot_label="live-sn"
-home_snapshot_label="home-sn"
-persistence_list="live.persist"
-
-USERNAME="user"
-USERFULLNAME="Live user"
HOSTNAME="host"
mkdir -p "${mountpoint}"
touch /live.vars
fi
-Arguments ()
-{
- PRESEEDS=""
- LOCATIONS=""
-
- for ARGUMENT in $(cat /proc/cmdline)
- do
- case "${ARGUMENT}" in
- skipconfig)
- NOACCESSIBILITY="Yes"
- NOFASTBOOT="Yes"
- NOFSTAB="Yes"
- NONETWORKING="Yes"
-
- export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
- ;;
-
- access=*)
- ACCESS="${ARGUMENT#access=}"
- export ACCESS
- ;;
-
- console=*)
- DEFCONSOLE="${ARGUMENT#*=}"
- export DEFCONSOLE
- ;;
-
- BOOTIF=*)
- BOOTIF="${x#BOOTIF=}"
- ;;
-
- debug)
- DEBUG="Yes"
- export DEBUG
-
- set -x
- ;;
-
- dhcp)
- # Force dhcp even while netbooting
- # Use for debugging in case somebody works on fixing dhclient
- DHCP="Force";
- export DHCP
- ;;
-
- nodhcp)
- unset DHCP
- ;;
-
- ethdevice=*)
- DEVICE="${ARGUMENT#ethdevice=}"
- ETHDEVICE="${DEVICE}"
- export DEVICE ETHDEVICE
- ;;
-
- ethdevice-timeout=*)
- ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
- export ETHDEV_TIMEOUT
- ;;
-
- fetch=*)
- FETCH="${ARGUMENT#fetch=}"
- export FETCH
- ;;
-
- forcepersistentfsck)
- FORCEPERSISTENTFSCK="Yes"
- export FORCEPERSISTENTFSCK
- ;;
-
- ftpfs=*)
- FTPFS="${ARGUMENT#ftpfs=}"
- export FTPFS
- ;;
-
- httpfs=*)
- HTTPFS="${ARGUMENT#httpfs=}"
- export HTTPFS
- ;;
-
- iscsi=*)
- ISCSI="${ARGUMENT#iscsi=}"
- #ip:port - separated by ;
- ISCSI_PORTAL="${ISCSI%;*}"
- if echo "${ISCSI_PORTAL}" | grep -q , ; then
- ISCSI_SERVER="${ISCSI_PORTAL%,*}"
- ISCSI_PORT="${ISCSI_PORTAL#*,}"
- fi
- #target name
- ISCSI_TARGET="${ISCSI#*;}"
- export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
- ;;
-
- isofrom=*|fromiso=*)
- FROMISO="${ARGUMENT#*=}"
- export FROMISO
- ;;
-
- 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
- ;;
-
- 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="${ARGUMENT#live-media-timeout=}"
- export LIVE_MEDIA_TIMEOUT
- ;;
-
- module=*)
- MODULE="${ARGUMENT#module=}"
- export MODULE
- ;;
-
- netboot=*)
- NETBOOT="${ARGUMENT#netboot=}"
- export NETBOOT
- ;;
-
- nfsopts=*)
- NFSOPTS="${ARGUMENT#nfsopts=}"
- export NFSOPTS
- ;;
-
- nfscow=*)
- NFS_COW="${ARGUMENT#nfscow=}"
- export NFS_COW
- ;;
-
- noaccessibility)
- NOACCESSIBILITY="Yes"
- export NOACCESSIBILITY
- ;;
-
- nofastboot)
- NOFASTBOOT="Yes"
- export NOFASTBOOT
- ;;
-
- nofstab)
- NOFSTAB="Yes"
- export NOFSTAB
- ;;
-
- nonetworking)
- NONETWORKING="Yes"
- export NONETWORKING
- ;;
-
- ramdisk-size=*)
- ramdisk_size="${ARGUMENT#ramdisk-size=}"
- ;;
-
- swapon)
- SWAPON="Yes"
- export SWAPON
- ;;
-
- persistent)
- PERSISTENT="Yes"
- export PERSISTENT
- ;;
-
- persistent-encryption=*)
- PERSISTENT_ENCRYPTION="${ARGUMENT#*=}"
- export PERSISTENT_ENCRYPTION
- ;;
-
- persistent-media=*)
- PERSISTENT_MEDIA="${ARGUMENT#*=}"
- export PERSISTENT_MEDIA
- ;;
- persistent-method=*)
- PERSISTENT_METHOD="${ARGUMENT#*=}"
- export PERSISTENT_METHOD
- ;;
-
- persistent-path=*)
- PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
- export PERSISTENT_PATH
- ;;
- persistent-read-only)
- PERSISTENT_READONLY="Yes"
- export PERSISTENT_READONLY
- ;;
-
- persistent-storage=*)
- PERSISTENT_STORAGE="${ARGUMENT#persistent-storage=}"
- export PERSISTENT_STORAGE
- ;;
-
- persistent-subtext=*)
- root_overlay_label="${root_overlay_label}-${ARGUMENT#persistent-subtext=}"
- custom_overlay_label="${custom_overlay_label}-${ARGUMENT#persistent-subtext=}"
- root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
- home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
- ;;
-
- nopersistent)
- NOPERSISTENT="Yes"
- export NOPERSISTENT
- ;;
-
- noprompt)
- NOPROMPT="Yes"
- export NOPROMPT
- ;;
-
- noprompt=*)
- NOPROMPT="${ARGUMENT#noprompt=}"
- export NOPROMPT
- ;;
-
- quickusbmodules)
- QUICKUSBMODULES="Yes"
- export QUICKUSBMODULES
- ;;
-
- preseed/file=*|file=*)
- LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
- export LOCATIONS
- ;;
-
- nopreseed)
- NOPRESEED="Yes"
- export NOPRESEED
- ;;
-
- */*=*)
- question="${ARGUMENT%%=*}"
- value="${ARGUMENT#*=}"
- PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
- export PRESEEDS
- ;;
-
- showmounts)
- SHOWMOUNTS="Yes"
- export SHOWMOUNTS
- ;;
-
- silent)
- SILENT="Yes"
- export SILENT
- ;;
-
- 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
- ;;
- 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 "${UNIONTYPE}" ]
- then
- UNIONTYPE="aufs"
- export UNIONTYPE
- fi
-
- if [ -z "${PERSISTENT_ENCRYPTION}" ]
- then
- PERSISTENT_ENCRYPTION="none"
- export PERSISTENT_ENCRYPTION
- elif echo ${PERSISTENT_ENCRYPTION} | grep -qe "\<luks\>"
- then
- if ! modprobe dm-crypt
- then
- log_warning_msg "Unable to load module dm-crypt"
- PERSISTENT_ENCRYPTION=$(echo ${PERSISTENT_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
- export PERSISTENT_ENCRYPTION
- fi
-
- if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ]
- then
- log_warning_msg "cryptsetup in unavailable"
- PERSISTENT_ENCRYPTION=$(echo ${PERSISTENT_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
- export PERSISTENT_ENCRYPTION
- fi
- fi
-
- if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_METHOD}" ]
- then
- PERSISTENT_METHOD="snapshot,overlay"
- export PERSISTENT_METHOD
- fi
-
- if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_STORAGE}" ]
- then
- PERSISTENT_STORAGE="filesystem,file"
- export PERSISTENT_STORAGE
- fi
-}
-
is_live_path ()
{
DIRECTORY="${1}"
modprobe -q nfs
- if [ -z "${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}"
return 1
fi
- if [ -z ${PERSISTENT_READONLY} ]
+ if [ -z ${PERSISTENCE_READONLY} ]
then
echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
fi
log_end_msg
fi
- mkdir -p /cow
+ mkdir -p /overlay
- # Looking for persistent devices or files
- if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ # Looking for persistence devices or files
+ if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
then
if [ -z "${QUICKUSBMODULES}" ]
done
fi
- case "${PERSISTENT_MEDIA}" in
+ case "${PERSISTENCE_MEDIA}" in
removable)
whitelistdev="$(removable_dev)"
;;
;;
esac
- if echo ${PERSISTENT_METHOD} | grep -qe "\<overlay\>"
+ if echo ${PERSISTENCE_METHOD} | grep -qe "\<overlay\>"
then
- overlays="${root_overlay_label} ${custom_overlay_label}"
+ overlays="${root_overlay_label} ${old_root_overlay_label} ${old_home_overlay_label} ${custom_overlay_label}"
fi
- if echo ${PERSISTENT_METHOD} | grep -qe "\<snapshot\>"
+ if echo ${PERSISTENCE_METHOD} | grep -qe "\<snapshot\>"
then
snapshots="${root_snapshot_label} ${home_snapshot_label}"
fi
- overlay_devices=""
- for media in $(find_persistent_media "${overlays}" "${snapshots}" "${blacklistdev}" "${whitelistdev}")
+ local root_snapdata=""
+ local home_snapshot_label=""
+ local root_overlay_label=""
+ local overlay_devices=""
+ for media in $(find_persistence_media "${overlays}" "${snapshots}" "${whitelistdev}")
do
media="$(echo ${media} | tr ":" " ")"
case ${media} in
- ${root_snapshot_label}=*)
- root_snapdata="${media#*=}"
+ ${root_snapshot_label}=*|${old_root_snapshot_label}=*)
+ if [ -z "${root_snapdata}" ]
+ then
+ root_snapdata="${media#*=}"
+ fi
;;
${home_snapshot_label}=*)
# This second type should be removed when snapshot will get smarter,
# hence when "/etc/live-snapshot*list" will be supported also by
# ext2|ext3|ext4|jffs2 snapshot types.
- home_snapdata="${media#*=}"
+ if [ -z "${home_snapdata}" ]
+ then
+ home_snapdata="${media#*=}"
+ fi
+ ;;
+ ${root_overlay_label}=*|${old_root_overlay_label}=*)
+ if [ -z "${root_overlay_device}" ]
+ then
+ device="${media#*=}"
+ root_overlay_device="${device}"
+ fi
;;
- ${root_overlay_label}=*)
+ ${old_home_overlay_label}=*)
device="${media#*=}"
- root_overlay_device="${device}"
+ fix_home_rw_compatibility ${device}
+ overlay_devices="${overlay_devices} ${device}"
;;
${custom_overlay_label}=*)
device="${media#*=}"
cowdevice=${root_overlay_device}
cow_fstype=$(get_fstype "${root_overlay_device}")
- if [ -z "${PERSISTENT_READONLY}" ]
+ if [ -z "${PERSISTENCE_READONLY}" ]
then
cow_mountopt="rw,noatime"
else
cow_mountopt="ro,noatime"
fi
- if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
+ if [ "${FORCEPERSISTENCEFSCK}" = "Yes" ]
then
fsck -y ${cowdevice}
fi
fi
- elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
+ elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENCE}" ]
then
# check if there are any nfs options
if echo ${NFS_COW}|grep -q ','
nfs_cow=${NFS_COW}
fi
- if [ -n "${PERSISTENT_READONLY}" ]
+ if [ -n "${PERSISTENCE_READONLY}" ]
then
nfs_cow_opts="${nfs_cow_opts},nocto,ro"
fi
if [ "${UNIONTYPE}" != "unionmount" ]
then
- if [ -n "${PERSISTENT_READONLY}" ]
+ if [ -n "${PERSISTENCE_READONLY}" ]
then
- mount -t tmpfs -o rw,noatime,mode=755 tmpfs "/cow"
- root_backing="${rootmnt}/live/persistent/$(basename ${cowdevice})-root"
+ mount -t tmpfs -o rw,noatime,mode=755 tmpfs "/overlay"
+ root_backing="${rootmnt}/live/persistence/$(basename ${cowdevice})-root"
mkdir -p ${root_backing}
else
- root_backing="/cow"
+ root_backing="/overlay"
fi
if [ "${cow_fstype}" = "nfs" ]
mkdir -p ${unionmountpoint}
if [ "${UNIONTYPE}" = "unionmount" ]
then
- # FIXME: handle PERSISTENT_READONLY
+ # FIXME: handle PERSISTENCE_READONLY
unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}"
mount_full $unionmountopts "${unionmountpoint}"
else
- cow_dir="/cow${dir}"
+ cow_dir="/overlay${dir}"
rofs_dir="${rofs}${dir}"
mkdir -p ${cow_dir}
- if [ -n "${PERSISTENT_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
+ if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
then
#mount -t tmpfs -o rw,noatime,mode=755 tmpfs "${cow_dir}"
do_union ${unionmountpoint} ${cow_dir} ${root_backing} ${rofs_dir}
live_rofs_list=""
# SHOWMOUNTS is necessary for custom mounts with the union option
# Since we may want to do custom mounts in user-space it's best to always enable SHOWMOUNTS
- if true #[ -n "${SHOWMOUNTS}" ] || ( [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ] 1)
+ 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 ${rofslist}
done
fi
- # Adding custom persistent
- if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+ # Adding custom persistence
+ if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
then
- local custom_mounts="/custom_mounts.list"
+ 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 ${overlay_devices} ${custom_mounts} ${rootmnt}
+ get_custom_mounts ${custom_mounts} ${overlay_devices}
- [ "${DEBUG}" = "Yes" ] && cp ${custom_mounts} "${rootmnt}/live/persistent"
+ [ -n "${DEBUG}" ] && cp ${custom_mounts} "${rootmnt}/live/persistence"
# Now we do the actual mounting (and symlinking)
- do_custom_mounts ${custom_mounts} ${rootmnt}
+ local used_overlays=""
+ used_overlays=$(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 ${overlay}
+ fi
+ done
+
# Look for other snapshots to copy in
try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
# This second type should be removed when snapshot grow smarter
try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
fi
- # shows cow fs on /cow for use by live-snapshot
- mkdir -p "${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 ${rootmnt}/live/cow"
+ # shows cow fs on /overlay for use by live-snapshot
+ mkdir -p "${rootmnt}/live/overlay"
+ mount -o move /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 ()
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 ${mountpoint})
then
# when booting FAI, this simple workaround solves it
ls /root/* >/dev/null 2>&1
+ # Move findiso directory to the new root filesystem so that programs there can get at it.
+ if [ -d /live/findiso ] && [ ! -d /root/live/findiso ]
+ then
+ mkdir -p /root/live/findiso
+ mount -n --move /live/findiso /root/live/findiso
+ fi
+
+ # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
+ # because the mountpoint is left behind in /proc/mounts, so let's get
+ # rid of it when running from RAM
+ if [ -n "$FINDISO" ] && [ "${TORAM}" ]
+ then
+ losetup -d /dev/loop0
+
+ if is_mountpoint /live/findiso
+ then
+ umount /root/live/findiso
+ fi
+ fi
+
# copy snapshot configuration if exists
if [ -f snapshot.conf ]
then
projects / live-boot-grml.git / blobdiff