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 . /usr/libexec/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 $?' 1 2 13 15
  17
  18 cat <<EOF
  19 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  20 !!                                                                           !!
  21 !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !! WARNING !!
  22 !!                                                                           !!
  23 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  24
  25    If you proceed, you will DESTROY any existing data relating to the oVirt
  26    installation on this machine.
  27
  28 EOF
  29
  30 if ask_yes_or_no "Do you wish to continue and uninstall this node ([Y]es/[N]o)?"; then
  31     if vgs --noheadings HostVG -o vg_name >/dev/null 2>&1; then
  32         log "Uninstalling node"
  33         log "Detaching logging"
  34         start_log
  35         # multipathd holds all mounts under /var in a private namespace
  36         service multipathd stop 6>&- 7>&-
  37         rm -f /var/lib/multipath/bindings
  38         unmount_logging
  39         unmount_config /etc/default/ovirt
  40         # remove rootfs labels
  41         for label in Root RootBackup RootUpdate RootNew; do
  42             root="$(findfs LABEL=$label 2>/dev/null)"
  43             if [ "$root" ]; then
  44                 e2label "$root" ""
  45             fi
  46             rm -f /dev/disk/by-label/$label
  47         done
  48         log "Removing volume groups"
  49         wipe_volume_group HostVG
  50         wipe_volume_group AppVG
  51         #log "Removing partitions"
  52         #wipe_partitions "$pv_dev"
  53         #wipe_partitions "$root_dev"
  54         #wipe_partitions "$root2_dev"
  55
  56         #restart multipath
  57         multipath -F
  58         multipath -v3
  59         service multipathd start 6>&- 7>&-
  60         log "Finished uninstalling node."
  61         stop_log
  62     else
  63         log "There is no installed node instance to remove."
  64         log "Aborting"
  65         exit 1
  66     fi
  67 else
  68     log "Aborted"
  69 fi