new delete vm script

scripts/build/deleteallvms.py

+#!/bin/python
+## © University of Southampton IT Innovation Centre, 2017
+##
+## Copyright in this software belongs to University of Southampton
+## IT Innovation Centre of Gamma House, Enterprise Road, 
+## Chilworth Science Park, Southampton, SO16 7NS, UK.
+##
+## This software may not be used, sold, licensed, transferred, copied
+## or reproduced in whole or in part in any manner or form or in or
+## on any media by any person other than in accordance with the terms
+## of the Licence Agreement supplied with the software, or otherwise
+## without the prior written consent of the copyright owners.
+##
+## This software is distributed WITHOUT ANY WARRANTY, without even the
+## implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+## PURPOSE, except where stated in the Licence Agreement supplied with
+## the software.
+##
+##      Created By :            Michael Boniface
+##      Created Date :          28-03-2018
+##      Created for Project :   FLAME
+import subprocess
+import sys
+
+proc = subprocess.Popen(['vboxmanage', 'list', 'vms'], stdout=subprocess.PIPE, shell=True)
+out, err = proc.communicate()
+if proc.returncode != 0:
+    print("Could list virtualbox vms")
+    sys.exit()
+
+vms = out.strip().decode('ascii')
+lines = vms.split("\n")
+for vm in lines:
+    vm_id = vm.split()[0].replace('"', '')
+    print("Removing VM: {0}".format(vm_id))
+
+    proc = subprocess.Popen(['vboxmanage', 'controlvm', vm_id, 'poweroff'], stdout=subprocess.PIPE, shell=True)
+    out, err = proc.communicate()
+    print(out)
+    if proc.returncode != 0:
+        print("Could not power off VM: {0}".format(vm_id))
+    
+    proc = subprocess.Popen(['vboxmanage', 'unregistervm', vm_id, '--delete'], stdout=subprocess.PIPE, shell=True)
+    out, err = proc.communicate()
+    if proc.returncode != 0:
+        print("Could not unregister VM: {0}".format(vm_id))
+