def rollback_files(self):
if not exists(self.paths.fsdelta):
return
changes = Changes.fromfile(self.paths.fsdelta)
dirindex = DirIndex(self.paths.dirindex)
exceptions = 0
for change in changes:
try:
if change.path not in dirindex:
utils.remove_any(change.path)
continue
if change.OP in ('o', 'd'):
try:
self._move_from_originals(change.path)
except self.Error:
continue
dirindex_rec = dirindex[change.path]
local_rec = DirIndex.Record.frompath(change.path)
if dirindex_rec.uid != local_rec.uid or \
dirindex_rec.gid != local_rec.gid:
os.lchown(change.path, dirindex_rec.uid, dirindex_rec.gid)
if dirindex_rec.mod != local_rec.mod:
mod = stat.S_IMODE(dirindex_rec.mod)
os.chmod(change.path, mod)
except:
exceptions += 1
# fault-tolerance: warn and continue, don't die
traceback.print_exc(file=sys.stderr)
for fname in ('passwd', 'group'):
shutil.copy(join(self.paths.etc, fname), "/etc")
if exceptions:
raise Error("caught %d exceptions during rollback_files" % exceptions)
uidmap = parse_idmap(val)
elif opt in ('-g', '--gid-map'):
gidmap = parse_idmap(val)
elif opt in ('-s', '--simulate'):
simulate = True
elif opt in ('-v', '--verbose'):
verbose = True
else:
usage()
if len(args) < 1:
usage()
delta = args[0]
paths = args[1:]
changes = Changes.fromfile(delta, paths)
if simulate:
verbose = True
for action in changes.statfixes(uidmap, gidmap):
if verbose:
print action
if not simulate:
action()
if __name__=="__main__":
main()
def files(self):
extras = self.extras
if not exists(extras.fsdelta):
return
overlay = self.backup_extract_path
simulate = self.simulate
rollback = self.rollback
limits = self.limits.fs
print "\n" + self._title("Restoring filesystem")
passwd, group, uidmap, gidmap = self._userdb_merge(extras.etc, "/etc")
if uidmap or gidmap:
print "MERGING USERS AND GROUPS\n"
for olduid in uidmap:
print "UID %d => %d" % (olduid, uidmap[olduid])
for oldgid in gidmap:
print "GID %d => %d" % (oldgid, gidmap[oldgid])
print
changes = Changes.fromfile(extras.fsdelta, limits)
deleted = list(changes.deleted())
if rollback:
rollback.save_files(changes, overlay)
fsdelta_olist = self._get_fsdelta_olist(extras.fsdelta_olist, limits)
if fsdelta_olist:
print "OVERLAY:\n"
print "\n".join(fsdelta_olist)
if not simulate:
self._apply_overlay(overlay, '/', fsdelta_olist)
statfixes = list(changes.statfixes(uidmap, gidmap))
if statfixes or deleted:
print "\nPOST-OVERLAY FIXES:\n"
for action in statfixes:
print action
if not simulate:
action()
for action in deleted:
print action
# rollback moves deleted to 'originals'
if not simulate and not rollback:
action()
def w(path, s):
file(path, "w").write(str(s))
if not simulate:
w("/etc/passwd", passwd)
w("/etc/group", group)
simulate = False
verbose = False
for opt, val in opts:
if opt in ('-s', '--simulate'):
simulate = True
elif opt in ('-v', '--verbose'):
verbose = True
else:
usage()
if len(args) < 1:
usage()
delta = args[0]
paths = args[1:]
changes = Changes.fromfile(delta, paths)
if simulate:
verbose = True
for action in changes.deleted():
if verbose:
print action
if not simulate:
action()
if __name__ == "__main__":
main()
def files(self):
extras = self.extras
if not exists(extras.fsdelta):
return
overlay = self.backup_extract_path
simulate = self.simulate
rollback = self.rollback
limits = self.limits.fs
print fmt_title("FILES - restoring files, ownership and permissions",
'-')
passwd, group, uidmap, gidmap = self._userdb_merge(extras.etc, "/etc")
if uidmap or gidmap:
print "MERGING USERS AND GROUPS:\n"
for olduid in uidmap:
print " UID %d => %d" % (olduid, uidmap[olduid])
for oldgid in gidmap:
print " GID %d => %d" % (oldgid, gidmap[oldgid])
print
changes = Changes.fromfile(extras.fsdelta, limits)
deleted = list(changes.deleted())
if rollback:
rollback.save_files(changes, overlay)
fsdelta_olist = self._get_fsdelta_olist(extras.fsdelta_olist, limits)
if fsdelta_olist:
print "OVERLAY:\n"
for fpath in fsdelta_olist:
print " " + fpath
if not simulate:
self._apply_overlay(overlay, '/', fsdelta_olist)
print
statfixes = list(changes.statfixes(uidmap, gidmap))
if statfixes or deleted:
print "POST-OVERLAY FIXES:\n"
for action in statfixes:
print " " + str(action)
if not simulate:
action()
for action in deleted:
print " " + str(action)
# rollback moves deleted to 'originals'
if not simulate and not rollback:
action()
if statfixes or deleted:
print
def w(path, s):
file(path, "w").write(str(s))
if not simulate:
w("/etc/passwd", passwd)
w("/etc/group", group)
