scripts/ovirt-config-uninstall

   1 #!/bin/bash
   2 #
   3 # ovirt-config-uninstall - destroys an installed copy of the oVirt node
   4
   5 # SYNOPSIS
   6 # Destroys the HostVG volume group and logical volumes.
   7 #
   8
   9 . /etc/init.d/ovirt-functions
  10
  11 ME=$(basename "$0")
  12 warn() { printf '%s: %s\n' "$ME" "$*" >&2; }
  13 die() { warn "$*"; exit 1; }
  14
  15 trap '__st=$?; stop_log; exit $__st' 0
  16 trap 'exit $?' 1 2 13 15
  17
  18 cat <<EOF
  19 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  20 !!                                                                           !!
  21 !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !!
  22 !!                                                                           !!
  23 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  24
  25    If you proceed, you will DESTROY any existing data relating to the oVirt
  26    installation on this machine.
  27
  28 EOF
  29
  30 if ask_yes_or_no "Do you wish to continue and uninstall this node ([Y]es/[N]o)?"; then
  31     if [ -d /dev/HostVG ]; then
  32         log "Uninstalling node"
  33         log "Detaching logging"
  34         unmount_logging
  35         log "Removing volume group"
  36         wipe_volume_group "HostVG"
  37         partition=$(findfs LABEL=BOOT)
  38         if [ -n "$partition" ]; then
  39             log "Unmounting boot partition"
  40             umount $partition
  41             log "Removing partitions"
  42             drive=$(echo $partition | awk '{ print substr($0, 1, length($0) - 1) }')
  43             parted -s $drive "rm 1"
  44             parted -s $drive "rm 2"
  45             parted -s $drive "rm 3"
  46             parted -s $drive "rm 4"
  47         fi
  48         printf "Finished uninstalling node."
  49     else
  50         log "There is no installed node instance to remove."
  51         log "Aborting"
  52         exit 1
  53     fi
  54 else
  55     log "Aborted"
  56 fi