domrestore.py

Libvirt是一套在linux上用C编写的虚拟化操作工具接口。其目的是提供一个稳定的支持Xen

#! /usr/bin/python
# domstart - make sure a given domU is running, if not start it

import libvirt
import sys
import os
import libxml2
import pdb

def usage():
   print 'Usage: %s DIR' % sys.argv[0]
   print '       Restore all the domains contained in DIR'
   print '       It is assumed that all files in DIR are'
   print '       images of domU\'s previously created with save'

if len(sys.argv) != 2:
    usage()
    sys.exit(2)

dir = sys.argv[1]
imgs = os.listdir(dir)

conn = libvirt.open(None)
if conn == None:
    print 'Failed to open connection to the hypervisor'
    sys.exit(1)

for img in imgs:
    file = os.path.join(dir, img)
    print "Restoring %s ... " % img,
    sys.stdout.flush()
    ret = conn.restore(file)
    if ret == 0:
        print "done"
    else:
        print "error %d" % ret