#!/usr/bin/python2.6 # # The Qubes OS Project, http://www.qubes-os.org # # Copyright (C) 2010 Joanna Rutkowska # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # # from qubes.qubes import QubesVmCollection from qubes.qubes import QubesException from qubes.qubesutils import backup_restore_prepare from qubes.qubesutils import backup_restore_print_summary from qubes.qubesutils import backup_restore_do from optparse import OptionParser import os import sys def main(): usage = "usage: %prog [options] " parser = OptionParser (usage) parser.add_option ("--skip-broken", action="store_true", dest="skip_broken", default=False, help="Do not restore VMs that have missing templates or netvms") parser.add_option ("--ignore-missing", action="store_true", dest="ignore_missing", default=False, help="Ignore missing templates or netvms, restore VMs anyway") parser.add_option ("--skip-conflicting", action="store_true", dest="skip_conflicting", default=False, help="Do not restore VMs that are already present on the host") parser.add_option ("--force-root", action="store_true", dest="force_root", default=False, help="Force to run, even with root privileges") parser.add_option ("--replace-template", action="append", dest="replace_template", default=[], help="Restore VMs using another template, syntax: old-template-name:new-template-name (might be repeated)") parser.add_option ("-x", "--exclude", action="append", dest="exclude", default=[], help="Skip restore of specified VM (might be repeated)") parser.add_option ("--skip-dom0-home", action="store_false", dest="dom0_home", default=True, help="Do not restore dom0 user home dir") parser.add_option ("--ignore-username-mismatch", action="store_true", dest="ignore_username_mismatch", default=False, help="Ignore dom0 username mismatch while restoring homedir") (options, args) = parser.parse_args () if (len (args) != 1): print >> sys.stderr, "You must specify the backup directory (e.g. /mnt/backup/qubes-2010-12-01-235959)" exit (0) backup_dir = args[0] if not os.path.exists (backup_dir): print >> sys.stderr, "The backup directory doesn't exist!" exit(1) host_collection = QubesVmCollection() host_collection.lock_db_for_writing() host_collection.load() restore_options = {} if options.ignore_missing: restore_options['use-default-template'] = True restore_options['use-default-netvm'] = True if options.replace_template: restore_options['replace-template'] = options.replace_template if not options.dom0_home: restore_options['dom0-home'] = False if options.ignore_username_mismatch: restore_options['ignore-username-mismatch'] = True if options.exclude: restore_options['exclude'] = options.exclude restore_info = None try: restore_info = backup_restore_prepare(backup_dir, options=restore_options, host_collection=host_collection) except QubesException as e: print >> sys.stderr, "ERROR: %s" % str(e) exit(1) backup_restore_print_summary(restore_info) there_are_conflicting_vms = False there_are_missing_templates = False there_are_missing_netvms = False dom0_username_mismatch = False for vm_info in restore_info.values(): if 'excluded' in vm_info and vm_info['excluded']: continue if 'missing-template' in vm_info.keys(): there_are_missing_templates = True if 'missing-netvm' in vm_info.keys(): there_are_missing_netvms = True if 'already-exists' in vm_info.keys(): there_are_conflicting_vms = True if 'username-mismatch' in vm_info.keys(): dom0_username_mismatch = True print if os.geteuid() == 0: print >> sys.stderr, "*** Running this tool as root is strongly discouraged, this will lead you in permissions problems." if options.force_root: print >> sys.stderr, "Continuing as commanded. You have been warned." else: print >> sys.stderr, "Retry as unprivileged user." print >> sys.stderr, "... or use --force-root to continue anyway." exit(1) if there_are_conflicting_vms: print >> sys.stderr, "*** There VMs with conflicting names on the host! ***" if options.skip_conflicting: print >> sys.stderr, "Those VMs will not be restored, the host VMs will not be overwritten!" else: print >> sys.stderr, "Remove VMs with conflicting names from the host before proceeding." print >> sys.stderr, "... or use --skip-conflicting to restore only those VMs that do not exist on the host." exit (1) print "The above VMs will be copied and added to your system." print "Exisiting VMs will not be removed." if there_are_missing_templates: print >> sys.stderr, "*** One or more template VM is missing on the host! ***" if not (options.skip_broken or options.ignore_missing): print >> sys.stderr, "Install it first, before proceeding with backup restore." print >> sys.stderr, "Or pass: --skip-broken or --ignore-missing switch." exit (1) elif options.skip_broken: print >> sys.stderr, "... VMs that depend on it will not be restored (--skip-broken used)" elif options.ignore_missing: print >> sys.stderr, "... VMs that depend on it will be restored anyway (--ignore-missing used)" else: print >> sys.stderr, "INTERNAL ERROR?!" exit (1) if there_are_missing_netvms: print >> sys.stderr, "*** One or more network VM is missing on the host! ***" if not (options.skip_broken or options.ignore_missing): print >> sys.stderr, "Install it first, before proceeding with backup restore." print >> sys.stderr, "Or pass: --skip_broken or --ignore_missing switch." exit (1) elif options.skip_broken: print >> sys.stderr, "... VMs that depend on it will not be restored (--skip-broken used)" elif options.ignore_missing: print >> sys.stderr, "... VMs that depend on it be restored anyway (--ignore-missing used)" else: print >> sys.stderr, "INTERNAL ERROR?!" exit (1) if 'dom0' in restore_info.keys() and options.dom0_home: if dom0_username_mismatch: print >> sys.stderr, "*** Dom0 username mismatch! This can break some settings ***" if not options.ignore_username_mismatch: print >> sys.stderr, "Skip dom0 home restore (--skip-dom0-home)" print >> sys.stderr, "Or pass: --ignore-username-mismatch to continue anyway" exit(1) else: print >> sys.stderr, "Continuing as directed" print >> sys.stderr, "While restoring user homedir, existing files/dirs will be backed up in 'home-pre-restore-' dir" prompt = raw_input ("Do you want to proceed? [y/N] ") if not (prompt == "y" or prompt == "Y"): exit (0) backup_restore_do(backup_dir, restore_info, host_collection=host_collection) host_collection.unlock_db() print "-> Done." main()