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#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
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