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95 lines
3.0 KiB
95 lines
3.0 KiB
#!/bin/bash |
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type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh |
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do_merge() { |
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sed -i -e 's/\(^[[:space:]]*\)locking_type[[:space:]]*=[[:space:]]*[[:digit:]]/\1locking_type = 1/' \ |
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/etc/lvm/lvm.conf |
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systemctl --no-block stop sysroot.mount |
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swapoff -a |
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umount -R /sysroot |
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for tag in $(getargs rd.lvm.mergetags); do |
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lvm vgs --noheadings -o vg_name \ |
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| while read -r vg || [[ -n $vg ]]; do |
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unset LVS |
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declare -a LVS |
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lvs=$(lvm lvs --noheadings -o lv_name "$vg") |
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for lv in $lvs; do |
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lvm lvchange -an "$vg/$lv" |
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tags=$(trim "$(lvm lvs --noheadings -o lv_tags "$vg/$lv")") |
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strstr ",${tags}," ",${tag}," || continue |
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if ! lvm lvs --noheadings -o lv_name "${vg}/${lv}_dracutsnap" &> /dev/null; then |
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info "Creating backup ${lv}_dracutsnap of ${vg}/${lv}" |
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lvm lvcreate -pr -s "${vg}/${lv}" --name "${lv}_dracutsnap" |
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fi |
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lvm lvchange --addtag "$tag" "${vg}/${lv}_dracutsnap" |
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info "Merging back ${vg}/${lv} to the original LV" |
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lvm lvconvert --merge "${vg}/${lv}" |
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LVS+=($lv) |
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done |
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systemctl --no-block stop sysroot.mount |
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udevadm settle |
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for ((i = 0; i < 100; i++)); do |
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lvm vgchange -an "$vg" && break |
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sleep 0.5 |
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done |
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udevadm settle |
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lvm vgchange -ay "$vg" |
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udevadm settle |
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for lv in "${LVS[@]}"; do |
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info "Renaming ${lv}_dracutsnap backup to ${vg}/${lv}" |
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lvm lvrename "$vg" "${lv}_dracutsnap" "${lv}" |
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done |
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udevadm settle |
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done |
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done |
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systemctl --no-block reset-failed systemd-fsck-root |
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systemctl --no-block start systemd-fsck-root |
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systemctl --no-block reset-failed sysroot.mount |
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systemctl --no-block start sysroot.mount |
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for ((i = 0; i < 100; i++)); do |
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[[ -d /sysroot/dev ]] && break |
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sleep 0.5 |
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systemctl --no-block start sysroot.mount |
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done |
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if [[ -d /sysroot/restoredev ]]; then |
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( |
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if cd /sysroot/restoredev; then |
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# restore devices and partitions |
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for i in *; do |
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target=$(systemd-escape -pu "$i") |
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if ! [[ -b $target ]]; then |
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warn "Not restoring $target, as the device does not exist" |
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continue |
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fi |
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# Just in case |
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umount "$target" &> /dev/null |
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info "Restoring $target" |
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dd if="$i" of="$target" |& vinfo |
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done |
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fi |
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) |
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mount -o remount,rw /sysroot |
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rm -fr /sysroot/restoredev |
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fi |
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info "Rebooting" |
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reboot |
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} |
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if getarg rd.lvm.mergetags; then |
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do_merge |
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fi
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