diff options
Diffstat (limited to 'deploy/adapters/cobbler/snippets/keep_files')
-rw-r--r-- | deploy/adapters/cobbler/snippets/keep_files | 308 |
1 files changed, 154 insertions, 154 deletions
diff --git a/deploy/adapters/cobbler/snippets/keep_files b/deploy/adapters/cobbler/snippets/keep_files index 65214377..d0e5e073 100644 --- a/deploy/adapters/cobbler/snippets/keep_files +++ b/deploy/adapters/cobbler/snippets/keep_files @@ -1,154 +1,154 @@ -## This snippet preserves files during re-build.
-## It supersedes other similar snippets - keep_*_keys.
-## Put it in %pre section of the kickstart template file
-## It uses preserve_files field which should contain a list of items to preserve
-## This field for now could contain any of the following:
-## 'ssh', 'cfengine', 'rhn' in any order
-## 'rhn' part of this snippet should NOT be used with systems subscribed
-## to Red Hat Satellite Server or Spacewalk as these
-## have a concept of "reactivation keys" to keep the systems
-## appearing to be the same. Also do not use if changing
-## base channels, i.e. RHEL4 -> RHEL5 upgrades.
-##
-
-#if $getVar('$preserve_files','') != ''
- #set $preserve_files = $getVar('$preserve_files','')
- preserve_files = $preserve_files
-
-#raw
-# Nifty trick to restore keys without using a nochroot %post
-
-echo "Saving keys..." > /dev/ttyS0
-
-insmod /lib/jbd.o
-insmod /lib/ext3.o
-
-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
-}
-
-function search_for_keys
-{
-
- SEARCHDIR=$1
- TEMPDIR=$2
- PATTERN=$3
-
- keys_found=no
- # /var could be a separate partition
- SHORTDIR=${SEARCHDIR#/var}
- if [ $SHORTDIR = $SEARCHDIR ]; then
- SHORTDIR=''
- fi
-
- mkdir -p /tmp/$TEMPDIR
-
- 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/"$1}' /proc/mdstat)
- findkeys
- fi
- fi
-
-
- # Try LVM if that didn't work
- if [ "$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
-}
-
-function restore_keys
-{
- SEARCHDIR=$1
- TEMPDIR=$2
- PATTERN=$3
- # Loop until the corresponding rpm is installed if the keys are saved
- if [ "$keys_found" = "yes" ] && [ -f /tmp/$TEMPDIR/${PATTERN}* ]; then
- while : ; do
- sleep 10
- if [ -d /mnt/sysimage$SEARCHDIR ] ; then
- cp -af /tmp/$TEMPDIR/${PATTERN}* /mnt/sysimage$SEARCHDIR
- logger "$TEMPDIR keys copied to newly installed system"
- break
- fi
- done &
- fi
-}
-
-for key in $preserve_files
-do
- if [ $key = 'ssh' ]; then
- search_for_keys '/etc/ssh' 'ssh' 'ssh_host_'
- elif [ $key = 'cfengine' ]; then
- search_for_keys '/var/cfengine/ppkeys' 'cfengine' 'localhost'
- elif [ $key = 'rhn' ]; then
- search_for_keys '/etc/sysconfig/rhn', 'rhn', '*'
- else
- echo "No keys to save!" > /dev/ttyS0
- fi
-done
-
-# now restore keys if found
-
-for key in $preserve_files
-do
- if [ $key = 'ssh' ]; then
- restore_keys '/etc/ssh' 'ssh' 'ssh_host_'
- elif [ $key = 'cfengine' ]; then
- restore_keys '/var/cfengine/ppkeys' 'cfengine' 'localhost'
- elif [ $key = 'rhn' ]; then
- restore_keys '/etc/sysconfig/rhn', 'rhn', '*'
- else
- echo "Nothing to restore!" > /dev/ttyS0
- fi
-done
-
-
-#end raw
-#end if
+## This snippet preserves files during re-build. +## It supersedes other similar snippets - keep_*_keys. +## Put it in %pre section of the kickstart template file +## It uses preserve_files field which should contain a list of items to preserve +## This field for now could contain any of the following: +## 'ssh', 'cfengine', 'rhn' in any order +## 'rhn' part of this snippet should NOT be used with systems subscribed +## to Red Hat Satellite Server or Spacewalk as these +## have a concept of "reactivation keys" to keep the systems +## appearing to be the same. Also do not use if changing +## base channels, i.e. RHEL4 -> RHEL5 upgrades. +## + +#if $getVar('$preserve_files','') != '' + #set $preserve_files = $getVar('$preserve_files','') + preserve_files = $preserve_files + +#raw +# Nifty trick to restore keys without using a nochroot %post + +echo "Saving keys..." > /dev/ttyS0 + +insmod /lib/jbd.o +insmod /lib/ext3.o + +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 +} + +function search_for_keys +{ + + SEARCHDIR=$1 + TEMPDIR=$2 + PATTERN=$3 + + keys_found=no + # /var could be a separate partition + SHORTDIR=${SEARCHDIR#/var} + if [ $SHORTDIR = $SEARCHDIR ]; then + SHORTDIR='' + fi + + mkdir -p /tmp/$TEMPDIR + + 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/"$1}' /proc/mdstat) + findkeys + fi + fi + + + # Try LVM if that didn't work + if [ "$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 +} + +function restore_keys +{ + SEARCHDIR=$1 + TEMPDIR=$2 + PATTERN=$3 + # Loop until the corresponding rpm is installed if the keys are saved + if [ "$keys_found" = "yes" ] && [ -f /tmp/$TEMPDIR/${PATTERN}* ]; then + while : ; do + sleep 10 + if [ -d /mnt/sysimage$SEARCHDIR ] ; then + cp -af /tmp/$TEMPDIR/${PATTERN}* /mnt/sysimage$SEARCHDIR + logger "$TEMPDIR keys copied to newly installed system" + break + fi + done & + fi +} + +for key in $preserve_files +do + if [ $key = 'ssh' ]; then + search_for_keys '/etc/ssh' 'ssh' 'ssh_host_' + elif [ $key = 'cfengine' ]; then + search_for_keys '/var/cfengine/ppkeys' 'cfengine' 'localhost' + elif [ $key = 'rhn' ]; then + search_for_keys '/etc/sysconfig/rhn', 'rhn', '*' + else + echo "No keys to save!" > /dev/ttyS0 + fi +done + +# now restore keys if found + +for key in $preserve_files +do + if [ $key = 'ssh' ]; then + restore_keys '/etc/ssh' 'ssh' 'ssh_host_' + elif [ $key = 'cfengine' ]; then + restore_keys '/var/cfengine/ppkeys' 'cfengine' 'localhost' + elif [ $key = 'rhn' ]; then + restore_keys '/etc/sysconfig/rhn', 'rhn', '*' + else + echo "Nothing to restore!" > /dev/ttyS0 + fi +done + + +#end raw +#end if |