+#!/usr/bin/env python3
+
+# Copyright (C) 2013 Intra2net AG
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation; either version 3 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see
+# <http://www.gnu.org/licenses/lgpl-3.0.html>
+
import argparse
import binascii
import json
import re
import random
import shutil
+import sys
from datetime import datetime
from functools import partial
from deltatar.deltatar import DeltaTar, NO_MATCH, MATCH, PARENT_MATCH
from deltatar.tarfile import TarFile, GNU_FORMAT
-MODE = ''
-PASSWORD = ''
-
consoleLogger = logging.StreamHandler()
consoleLogger.setLevel(logging.DEBUG)
target_it = deltatar.jsonize_path_iterator(target_it, strip=nbars2)
while True:
try:
- sitem = source_it.next()
- titem = target_it.next()
+ sitem = next(source_it)
+ titem = next(target_it)
except StopIteration:
try:
- titem = target_it.next()
+ titem = next(target_it)
raise Exception("iterators do not stop at the same time")
except StopIteration:
break
try:
assert deltatar._equal_stat_dicts(sitem, titem)
- except Exception, e:
- print sitem
- print titem
- print "FAIL"
+ except Exception as e:
+ print(sitem)
+ print(titem)
+ print("FAIL")
raise
if __name__ == "__main__":
+ #import tracemalloc
+ #tracemalloc.enable()
+ #top = tracemalloc.DisplayTop(25)
+ #top.show_lineno = True
+ #top.start(20)
parser = argparse.ArgumentParser()
parser.add_argument("-m", "--mode", default='',
- help="Mode in which to read/write the backup")
- parser.add_argument("-t", "--targetpath", help="target path directory")
- parser.add_argument("-s", "--sourcepath", help="source path directory")
- parser.add_argument("-p", "--password", default='', help="password")
- parser.add_argument("-v", "--volsize", default=None, help="maximum volume size, in Megabytes")
- parser.add_argument("-r", "--restore", action='store_true', help="Restore a backup")
- parser.add_argument("-f", "--full", action='store_true', help="Create a full backup")
- parser.add_argument("-d", "--diff", action='store_true', help="Create a diff backup")
- parser.add_argument("-i", "--indexes", nargs='+', help="indexes paths")
- parser.add_argument("-e", "--equals", action='store_true', help="Checks two dirs are equal")
+ help=
+ """Mode in which to read/write the backup.
+ Valid modes are:
+ '' open uncompressed;
+ 'gz' open with gzip compression;
+ 'bz2' open with bzip2 compression;
+ '#gz' encrypted stream of individually
+ compressed tar blocks.
+ To enable encryption, supply a password.
+ """)
+ parser.add_argument("-t", "--targetpath", help="Target path directory.")
+ parser.add_argument("-s", "--sourcepath", help="Source path directory.")
+ epw = os.getenv ("PDTCRYPT_PASSWORD")
+ parser.add_argument("-p", "--password",
+ default=epw.strip () if epw is not None else None,
+ help="Password for symmetric encryption. "
+ "The environment variable PDTCRYPT_PASSWORD should "
+ "be preferred to this. Enables encryption.")
+ parser.add_argument("-v", "--volsize", default=None,
+ help="Maximum volume size, in megabytes.")
+ parser.add_argument("-r", "--restore", action='store_true',
+ help="Restore a backup.")
+ parser.add_argument("-R", "--recover", action='store_true',
+ help="Recover a potentially damaged backup with an index "
+ "file. **Caution**: recovery mode is insecure; it ignores "
+ "data integrity checks on encrypted backup sets which may "
+ "allow unauthorized decryption of confidential information.")
+ parser.add_argument("-f", "--full", action='store_true',
+ help="Create a full backup.")
+ parser.add_argument("-d", "--diff", action='store_true',
+ help="Create a diff backup.")
+ parser.add_argument("-i", "--indexes", nargs='+', help="Indexes paths.")
+ parser.add_argument("-l", "--list-files", action='store_true',
+ help="List files in a tarball.")
+ parser.add_argument("-x", "--excluded", nargs='+', default=[],
+ help="Files to exclude from backup.")
+ parser.add_argument("-inc", "--included", nargs='+', default=[],
+ help="Files to include in the backup.")
+ parser.add_argument("-ip", "--included-path", default=None,
+ help="Path to a file containing a list of included paths.")
+ parser.add_argument("-xp", "--excluded-path", default=None,
+ help="Path to a file containing a list of excluded paths.")
+ parser.add_argument("-e", "--equals", action='store_true',
+ help="Check if two dirs are equal.")
args = parser.parse_args()
- deltatar = DeltaTar(mode=args.mode, password=args.password, logger=consoleLogger)
+
+ if args.excluded_path:
+ f = open(args.excluded_path, 'r')
+ excluded_files = f.readlines()
+ f.close()
+ else:
+ excluded_files = args.excluded
+
+ if args.included_path:
+ f = open(args.included_path, 'r')
+ included_files = f.readlines()
+ f.close()
+ else:
+ included_files = args.included
+
+ deltatar = DeltaTar(mode=args.mode, password=args.password,
+ logger=consoleLogger, excluded_files=excluded_files,
+ included_files=included_files)
if args.full:
deltatar.create_full_backup(args.sourcepath, args.targetpath, args.volsize)
elif args.diff:
deltatar.create_diff_backup(args.sourcepath, args.targetpath, args.indexes[0], args.volsize)
+ elif args.list_files:
+ deltatar.list_backup(args.sourcepath, lambda e: print (e.name))
elif args.restore:
if args.indexes is not None:
deltatar.restore_backup(args.targetpath, backup_indexes_paths=args.indexes)
else:
deltatar.restore_backup(args.targetpath, backup_tar_path=args.sourcepath)
+ elif args.recover:
+ if args.sourcepath is not None:
+ print("Disaster recovery conflicts with --sourcepath; please supply"
+ " an\nindex file (--indexes).", file=sys.stderr)
+ failed = deltatar.recover_backup(args.targetpath,
+ backup_indexes_paths=args.indexes)
+ if len (failed) > 0:
+ logger = logging.getLogger('deltatar.DeltaTar')
+ print ("%d files could not be restored:" % len (failed))
+ for i, f in enumerate (failed):
+ print (" [%d] %s (%s)" % (i, f [0], f [1]))
+
elif args.equals:
- check_equal_dirs(os.path.abspath(args.sourcepath), os.path.abspath(args.targetpath), deltatar)
\ No newline at end of file
+ check_equal_dirs(os.path.abspath(args.sourcepath), os.path.abspath(args.targetpath), deltatar)
+ else:
+ print("Nothing to do.\nPlease specify one of --full, --diff, --list-files, "
+ "--restore, --equals.\n", file=sys.stderr)
+ parser.print_help(file=sys.stderr)
+
+