Simple Backup of XEN Hosts - xm linux

xenbackup.py

# cfg.py START
""" Configuration File """

xenConfigBackupDir = '/etc/xen/vds/backup'
xenConfigDir = '/etc/xen/vds/'
xenImageDir = '/srv/xen/domains/'
backupTmpTarget = '/opt/scripts/xenbackup/backup/'
backupFinTarget = '/srv/xen/backup_xen'
backupDiskTarget = '/mnt/usbdisk'
# cfg.py END

# xenbackup.py START
#!/usr/bin/env python
import os
import cfg
import time
import sys

#if os.path.getsize(cfg.backupFinTarget):
#  os.system('mount ' + cfg.backupFinTarget)
#  if os.path.getsize(cfg.backupFinTarget):
#    sys.exit()

for domain in os.listdir(cfg.xenConfigBackupDir):
  domainName = domain.split('.')
  domainName = domainName[0]
  
  print "Stop: " + domainName

  os.system('xm shutdown ' + domainName)
  print "Wait: 100 seconds"
  time.sleep(100)
  
  """ definitions """
  tarName = 'disk_' + domainName + '_' + time.strftime("%d%m%Y") + '.tar.gz'
  imageFile = cfg.xenImageDir + domainName + '/disk.img'
    
  if os.path.isfile(imageFile):
    print "Start: copy and gzip"
    os.system('tar cfz ' + cfg.backupTmpTarget + tarName + ' ' + imageFile)
    print "ready copy"

  print "Start: domain" + domain  
  os.system('xm create ' + cfg.xenConfigDir + domain)
  time.sleep(60)

  # os.system('cp ' + cfg.backupTmpTarget + tarName + ' ' + cfg.backupDiskTarget + '/' + domainName) 
  os.system('mv ' + cfg.backupTmpTarget + tarName + ' ' + cfg.backupFinTarget + '/' + domainName)
  # xenbackup.py END