#!/bin/bash
#
# Script to delete all snapshots
#
if [ "$UID" -eq 0 ]
  then echo "This script should NOT be run as root."
  exit 1
fi
#
if [ $# -ne 1 ]; then
  echo "Delete all snapshots"
  echo "Usage for $0 : VM Name required as argument."
  exit 1
fi
#
# Virtual Machine Name
VB_VM_NAME=$1
#
VB_VM_NO_SNAP_MSG="This machine does not have any snapshots"
VB_VM_NO_SNAP=`VBoxManage snapshot "${VB_VM_NAME}" list|grep -c "$VB_VM_NO_SNAP_MSG"`
if [ $VB_VM_NO_SNAP -eq 1 ]; then
  echo "VM $VB_VM_NAME does not have any snapshots."
  echo "Exiting ..."
  exit 1
fi
#
# List Snapshots
echo "List of snapshots for '${VB_VM_NAME}' - All of them will be deleted!
"
VBoxManage snapshot "${VB_VM_NAME}" list
echo
read -p "Press [Enter] key to continue or [Ctrl-C] to break ..."
#
VM_RUNNING=`VBoxManage showvminfo ${VB_VM_NAME}|\
 grep State|grep -c "running"`
if [ $VM_RUNNING -eq 1 ]; then
  echo "
  VM $VB_VM_NAME is running ...
  Although snapshots can be deleted on a running vm
  it will take quite a while longer!
  Please power-down VM or save state to continue 
  (or)
  Edit this script and comment out the exit!
 
  Exiting ...
  "
  exit 1
fi
#
VB_VM_SNAPSHOTS=`VBoxManage snapshot "${VB_VM_NAME}" list \
  --machinereadable|grep ^SnapshotUUID|cut -d"\"" -f2`
#
for SNAPSHOT in $( echo $VB_VM_SNAPSHOTS ); do
  echo "Deleting snapshot: $SNAPSHOT ..."
  VBoxManage snapshot "${VB_VM_NAME}" delete $SNAPSHOT
done
#
echo "Done!"
exit