diff options
| author |   baigk <baiguoku@huawei.com> | 2015-08-02 21:56:23 -0400 |
|---|---|---|
| committer | baigk <baiguoku@huawei.com> | 2015-08-02 22:46:09 -0400 |
| commit | 79b571dae951ba9bfe36440750c1a1408b19cd69 (patch) | |
| tree | e930de3f7b9bb15f5a705fcc5b13011a500e91f4 /deploy/adapters/cobbler/snippets/keep_ssh_host_keys | |
| parent | 9e4cf51b4b2815e90824859b52d649b6c37219d9 (diff) | |
support deployment os of ubuntu 14.04 with cobbler for compass
JIRA: COMPASS-3
Change-Id: I703658b04ec7ec1df4a2a3b9eac5656419d8fd9f
Signed-off-by: baigk <baiguoku@huawei.com>
Diffstat (limited to 'deploy/adapters/cobbler/snippets/keep_ssh_host_keys')
| -rw-r--r-- | deploy/adapters/cobbler/snippets/keep_ssh_host_keys | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/deploy/adapters/cobbler/snippets/keep_ssh_host_keys b/deploy/adapters/cobbler/snippets/keep_ssh_host_keys new file mode 100644 index 00000000..eb0a43eb --- /dev/null +++ b/deploy/adapters/cobbler/snippets/keep_ssh_host_keys @@ -0,0 +1,114 @@ +#raw
+# Nifty trick to restore keys without using a nochroot %post
+
+echo "Saving keys..." > /dev/ttyS0
+
+SEARCHDIR=/etc/ssh
+TEMPDIR=ssh
+PATTERN=ssh_host_
+
+keys_found=no
+# /var could be a separate partition
+SHORTDIR=${SEARCHDIR#/var}
+if [ $SHORTDIR = $SEARCHDIR ]; then
+ SHORTDIR=''
+fi
+insmod /lib/jbd.o
+insmod /lib/ext3.o
+
+mkdir -p /tmp/$TEMPDIR
+
+
+function findkeys
+{
+ for disk in $DISKS; do
+ name=$(basename $disk)
+ tmpdir=$(mktemp -d $name.XXXXXX)
+ mkdir -p /tmp/$tmpdir
+ mount $disk /tmp/$tmpdir
+ if [ $? -ne 0 ]; then # Skip to the next partition if the mount fails
+ rm -rf /tmp/$tmpdir
+ continue
+ fi
+ # Copy current host keys out to be reused
+ if [ -d /tmp/$tmpdir$SEARCHDIR ] && cp -a /tmp/$tmpdir$SEARCHDIR/${PATTERN}* /tmp/$TEMPDIR; then
+ keys_found="yes"
+ umount /tmp/$tmpdir
+ rm -r /tmp/$tmpdir
+ break
+ elif [ -n "$SHORTDIR" ] && [ -d /tmp/$tmpdir$SHORTDIR ] && cp -a /tmp/$tmpdir$SHORTDIR/${PATTERN}* /tmp/$TEMPDIR; then
+ keys_found="yes"
+ umount /tmp/$tmpdir
+ rm -r /tmp/$tmpdir
+ break
+ fi
+ umount /tmp/$tmpdir
+ rm -r /tmp/$tmpdir
+ done
+}
+
+DISKS=$(awk '{if ($NF ~ "^[a-zA-Z].*[0-9]$" && $NF !~ "c[0-9]+d[0-9]+$" && $NF !~ "^loop.*") print "/dev/"$NF}' /proc/partitions)
+# In the awk line above we want to make list of partitions, but not devices/controllers
+# cciss raid controllers have partitions like /dev/cciss/cNdMpL, where N,M,L - some digits, we want to make sure 'pL' is there
+# No need to scan loopback niether.
+# Try to find the keys on ordinary partitions
+
+findkeys
+
+# Try software RAID
+if [ "$keys_found" = "no" ]; then
+ if mdadm -As; then
+ DISKS=$(awk '/md/{print "/dev/"$1}' /proc/mdstat)
+ findkeys
+ # unmount and deactivate all md
+ for md in $DISKS ; do
+ umount $md
+ mdadm -S $md
+ done
+ fi
+fi
+
+
+# Try LVM if that didn't work
+if [ "$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 $vg
+ done
+
+ DISKS=$(lvm lvs | tail -n +2 | awk '{ print "/dev/" $2 "/" $1 }')
+ findkeys
+
+ # And clean up..
+ for vg in $vgs; do
+ lvm vgchange -an $vg
+ done
+fi
+
+# Loop until the corresponding rpm is installed
+if [ "$keys_found" = "yes" ]; then
+ if [ "$PATTERN" = "ssh_host_" ]; then
+ while : ; do
+ sleep 10
+ if [ -f /etc/ssh/ssh_host_key ] ; then
+ cp -af /tmp/$TEMPDIR/${PATTERN}* $SEARCHDIR
+ break
+ fi
+ done 1>/dev/null 2>/dev/null &
+ fi
+ while : ; do
+ sleep 10
+ if [ -d /mnt/sysimage$SEARCHDIR ] ; then
+ cp -af /tmp/$TEMPDIR/${PATTERN}* /mnt/sysimage$SEARCHDIR
+ if [ -e "/sbin/restorecon"]; then
+ /sbin/restorecon -r /etc/ssh
+ fi
+ logger "keys copied to newly installed system"
+ break
+ fi
+ done 1>/dev/null 2>/dev/null &
+fi
+#end raw
+
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