#raw # Nifty trick to restore ssh keys without using a nochroot %post echo "Saving ssh host keys..." > /dev/ttyS0 keys_found=no insmod /lib/jbd.o insmod /lib/ext3.o mkdir -p /tmp/ssh drives=$(list-harddrives | awk '{print $1}') for disk in $drives; do DISKS="$DISKS $(fdisk -l /dev/$disk | awk '/^\/dev/{print $1}')" done # Try to find the keys on ordinary partitions for disk in $DISKS; do name=$(basename $disk) mkdir -p /tmp/$name mount $disk /tmp/$name [ $? -eq 0 ] || continue # Skip to the next partition if the mount fails # Copy current ssh host keys out to be reused if [ -d /tmp/${name}/etc/ssh ]; then cp -a /tmp/${name}/etc/ssh/ssh_host* /tmp/ssh keys_found="yes" umount /tmp/$name break fi umount /tmp/$name rm -r /tmp/$name done # Try LVM if that didn't work if [ "$keys_found" = "no" ]; then lvm lvmdiskscan vgs=$(lvm vgs | tail -n +2 | awk '{ print $1 }') for vg in $vgs; do # Activate any VG we found lvm vgchange -ay $vg done lvs=$(lvm lvs | tail -n +2 | awk '{ print "/dev/" $2 "/" $1 }') for lv in $lvs; do tmpdir=$(mktemp -d findkeys.XXXXXX) mkdir -p /tmp/${tmpdir} mount $lv /tmp/${tmpdir} || continue # Skip to next volume if this fails # Let's see if the keys are in there if [ -d /tmp/${tmpdir}/etc/ssh ]; then cp -a /tmp/${tmpdir}/etc/ssh/ssh_host* /tmp/ssh/ keys_found="yes" umount /tmp/${tmpdir} break # We're done! fi umount /tmp/${tmpdir} rm -r /tmp/${tmpdir} done # And clean up.. for vg in $vgs; do lvm vgchange -an $vg done fi # Loop until the ssh rpm is installed if [ "$keys_found" = "yes" ]; then while : ; do sleep 10 if [ -d /mnt/sysimage/etc/ssh ] ; then cp -f /tmp/ssh/ssh_host* /mnt/sysimage/etc/ssh/ logger "SSH-HOST-KEY copied to newly installed system" break fi done & fi #end