/usr/share/backintime/common/snapshots.py is in backintime-common 1.0.34-0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 | # Back In Time
# Copyright (C) 2008-2009 Oprea Dan, Bart de Koning, Richard Bailey
#
# 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.
import os
import os.path
import stat
import datetime
import gettext
import statvfs
import stat
import bz2
import pwd
import grp
import socket
import subprocess
import shutil
import config
import configfile
import logger
import applicationinstance
import tools
import pluginmanager
import encfstools
import mount
_=gettext.gettext
class Snapshots:
SNAPSHOT_VERSION = 3
def __init__( self, cfg = None ):
self.config = cfg
if self.config is None:
self.config = config.Config()
self.clear_uid_gid_cache()
self.clear_uid_gid_names_cache()
self.plugin_manager = pluginmanager.PluginManager()
def get_snapshot_id( self, date ):
profile_id = self.config.get_current_profile()
tag = self.config.get_tag( profile_id )
if type( date ) is datetime.datetime:
snapshot_id = date.strftime( '%Y%m%d-%H%M%S' ) + '-' + tag
return snapshot_id
if type( date ) is datetime.date:
snapshot_id = date.strftime( '%Y%m%d-000000' ) + '-' + tag
return snapshot_id
if type( date ) is str:
snapshot_id = date
return snapshot_id
return ""
def get_snapshot_old_id( self, date ):
profile_id = self.config.get_current_profile()
if type( date ) is datetime.datetime:
snapshot_id = date.strftime( '%Y%m%d-%H%M%S' )
return snapshot_id
if type( date ) is datetime.date:
snapshot_id = date.strftime( '%Y%m%d-000000' )
return snapshot_id
if type( date ) is str:
snapshot_id = date
return snapshot_id
return ""
def get_snapshot_path( self, date, use_mode = [] ):
profile_id = self.config.get_current_profile()
current_mode = self.config.get_snapshots_mode()
if 'ssh' in use_mode and current_mode == 'ssh':
path = os.path.join( self.config.get_snapshots_full_path_ssh( profile_id ), self.get_snapshot_id( date ) )
return path
if 'ssh_encfs' in use_mode and current_mode == 'ssh_encfs':
path = os.path.join( self.config.get_snapshots_full_path_ssh( profile_id ), self.get_snapshot_id( date ) )
return self.config.ENCODE.remote(path)
path = os.path.join( self.config.get_snapshots_full_path( profile_id ), self.get_snapshot_id( date ) )
if os.path.exists( path ):
#print path
return path
other_folders = self.config.get_other_folders_paths()
for folder in other_folders:
path_other = os.path.join( folder, self.get_snapshot_id( date ) )
if os.path.exists( path_other ):
#print path_other
return path_other
old_path = os.path.join( self.config.get_snapshots_full_path( profile_id ), self.get_snapshot_old_id( date ) )
if os.path.exists( path ):
#print path
return path
other_folders = self.config.get_other_folders_paths()
for folder in other_folders:
path_other = os.path.join( folder, self.get_snapshot_old_id( date ) )
if os.path.exists( path_other ):
#print path_other
return path_other
#print path
return path
def get_snapshot_info_path( self, date ):
return os.path.join( self.get_snapshot_path( date ), 'info' )
def get_snapshot_fileinfo_path( self, date ):
return os.path.join( self.get_snapshot_path( date ), 'fileinfo.bz2' )
def get_snapshot_log_path( self, snapshot_id ):
return os.path.join( self.get_snapshot_path( snapshot_id ), 'takesnapshot.log.bz2' )
def get_snapshot_failed_path( self, snapshot_id ):
return os.path.join( self.get_snapshot_path( snapshot_id ), 'failed' )
def _get_snapshot_data_path( self, snapshot_id, use_mode = [] ):
current_mode = self.config.get_snapshots_mode()
if len( snapshot_id ) <= 1:
return '/';
path = 'backup'
snapshot_path = self.get_snapshot_path( snapshot_id, use_mode )
if 'ssh_encfs' in use_mode and current_mode == 'ssh_encfs':
return os.path.join( snapshot_path, self.config.ENCODE.path(path) )
return os.path.join( snapshot_path, path )
def get_snapshot_path_to( self, snapshot_id, toPath = '/', use_mode = [] ):
current_mode = self.config.get_snapshots_mode()
snapshot_data_path = os.path.join( self._get_snapshot_data_path( snapshot_id, use_mode ) )
if 'ssh_encfs' in use_mode and current_mode == 'ssh_encfs':
enc_path = self.config.ENCODE.path( toPath[ 1 : ] )
return os.path.join( snapshot_data_path, enc_path )
return os.path.join( snapshot_data_path, toPath[ 1 : ] )
def can_open_path( self, snapshot_id, full_path ):
#full_path = self.get_snapshot_path_to( snapshot_id, path )
if not os.path.exists( full_path ):
return False
if not os.path.islink( full_path ):
return True
base_path = self.get_snapshot_path_to( snapshot_id )
target = os.readlink( full_path )
target = os.path.join( os.path.abspath( os.path.dirname( full_path ) ), target )
#print "[can_open_path] full_path %s" % full_path
#print "[can_open_path] base_path %s" % base_path
return target.startswith( base_path )
def get_snapshot_display_id( self, snapshot_id ):
if len( snapshot_id ) <= 1:
return _('Now')
return "%s-%s-%s %s:%s:%s" % ( snapshot_id[ 0 : 4 ], snapshot_id[ 4 : 6 ], snapshot_id[ 6 : 8 ], snapshot_id[ 9 : 11 ], snapshot_id[ 11 : 13 ], snapshot_id[ 13 : 15 ] )
def get_snapshot_display_name( self, snapshot_id ):
display_name = self.get_snapshot_display_id( snapshot_id )
name = self.get_snapshot_name( snapshot_id )
if len( name ) > 0:
display_name = display_name + ' - ' + name
if self.is_snapshot_failed( snapshot_id ):
display_name = display_name + " (%s)" % _("WITH ERRORS !")
return display_name
def get_snapshot_name( self, snapshot_id ):
if len( snapshot_id ) <= 1: #not a snapshot
return ''
path = self.get_snapshot_path( snapshot_id )
if not os.path.isdir( path ):
return ''
name = ''
try:
file = open( os.path.join( path, 'name' ), 'rt' )
name = file.read()
file.close()
except:
pass
return name
def set_snapshot_name( self, snapshot_id, name ):
if len( snapshot_id ) <= 1: #not a snapshot
return
path = self.get_snapshot_path( snapshot_id )
if not os.path.isdir( path ):
return
name_path = os.path.join( path, 'name' )
#info_file = configfile.ConfigFile()
#info_file.load( self.get_snapshot_info_path( snapshot_id ) )
#if info_file.get_int_value( 'snapshot_version' ) == 0:
os.system( "chmod +w \"%s\"" % path )
try:
file = open( name_path, 'wt' )
file.write( name )
file.close()
except:
pass
def is_snapshot_failed( self, snapshot_id ):
if len( snapshot_id ) <= 1: #not a snapshot
return False
path = self.get_snapshot_failed_path( snapshot_id )
return os.path.isfile( path )
def clear_take_snapshot_message( self ):
os.system( "rm \"%s\"" % self.config.get_take_snapshot_message_file() )
def get_take_snapshot_message( self ):
try:
file = open( self.config.get_take_snapshot_message_file(), 'rt' )
items = file.read().split( '\n' )
file.close()
except:
return None
if len( items ) < 2:
return None
id = 0
try:
id = int( items[0] )
except:
pass
del items[0]
message = '\n'.join( items )
return( id, message )
def set_take_snapshot_message( self, type_id, message, timeout = -1 ):
data = str(type_id) + '\n' + message
try:
file = open( self.config.get_take_snapshot_message_file(), 'wt' )
file.write( data )
file.close()
#logger.info( "Take snapshot message: %s" % data )
except:
pass
if 1 == type_id:
self.append_to_take_snapshot_log( '[E] ' + message, 1 )
else:
self.append_to_take_snapshot_log( '[I] ' + message, 3 )
try:
profile_id =self.config.get_current_profile()
profile_name = self.config.get_profile_name( profile_id )
self.plugin_manager.on_message( profile_id, profile_name, type_id, message, timeout )
except:
pass
def _filter_take_snapshot_log( self, log, mode , decode = None):
decode_msg = _( '''### This log has been decoded with automatic search pattern
### If some paths are not decoded you can manually decode them with:\n''')
decode_msg += '### \'backintime --quiet'
profile_id = self.config.get_current_profile()
if profile_id > 1:
decode_msg += ' --profile %s' % self.config.get_profile_name(profile_id)
decode_msg += ' --decode <path>\'\n\n'
if 0 == mode:
if not decode is None:
ret = decode_msg
for line in log.split('\n'):
line = decode.log(line)
ret += line + '\n'
return ret
return log
lines = log.split( '\n' )
log = ''
if not decode is None:
log = decode_msg
for line in lines:
if line.startswith( '[' ):
if mode == 1 and line[1] != 'E':
continue
elif mode == 2 and line[1] != 'C':
continue
elif mode == 3 and line[1] != 'I':
continue
if not decode is None:
line = decode.log(line)
log = log + line + '\n'
return log
def get_snapshot_log( self, snapshot_id, mode = 0, profile_id = None , **kwargs ):
try:
file = bz2.BZ2File( self.get_snapshot_log_path( snapshot_id ), 'r' )
data = file.read()
file.close()
return self._filter_take_snapshot_log( data, mode, **kwargs )
except:
return ''
def get_take_snapshot_log( self, mode = 0, profile_id = None, **kwargs ):
try:
file = open( self.config.get_take_snapshot_log_file( profile_id ), 'rt' )
data = file.read()
file.close()
return self._filter_take_snapshot_log( data, mode, **kwargs )
except:
return ''
def new_take_snapshot_log( self, date ):
os.system( "rm \"%s\"" % self.config.get_take_snapshot_log_file() )
self.append_to_take_snapshot_log( "========== Take snapshot (profile %s): %s ==========\n" % ( self.config.get_current_profile(), date.strftime( '%c' ) ), 1 )
def append_to_take_snapshot_log( self, message, level ):
if level > self.config.log_level():
return
try:
file = open( self.config.get_take_snapshot_log_file(), 'at' )
file.write( message + '\n' )
file.close()
except:
pass
def is_busy( self ):
instance = applicationinstance.ApplicationInstance( self.config.get_take_snapshot_instance_file(), False )
return not instance.check()
def load_fileinfo_dict( self, snapshot_id, version = None ):
if version is None:
info_file = configfile.ConfigFile()
info_file.load( self.get_snapshot_info_path( snapshot_id ) )
version = info_file.get_int_value( 'snapshot_version' )
info_file = None
dict = {}
if 0 == version:
return dict
fileinfo_path = self.get_snapshot_fileinfo_path( snapshot_id )
if not os.path.exists( fileinfo_path ):
return dict
#try:
fileinfo = bz2.BZ2File( fileinfo_path, 'r' )
while True:
line = fileinfo.readline()
if len( line ) <= 0:
break
line = line[ : -1 ]
if len( line ) <= 0:
continue
index = line.find( '/' )
if index < 0:
continue
file = line[ index: ]
if len( file ) <= 0:
continue
info = line[ : index ].strip()
info = info.split( ' ' )
if len( info ) == 3:
dict[ file ] = [ int( info[0] ), info[1], info[2] ] #perms, user, group
fileinfo.close()
#except:
# pass
return dict
def clear_uid_gid_names_cache(self):
self.user_cache = {}
self.group_cache = {}
def clear_uid_gid_cache(self):
self.uid_cache = {}
self.gid_cache = {}
def get_uid( self, name ):
try:
return self.uid_cache[name]
except:
uid = -1
try:
uid = pwd.getpwnam(name).pw_uid
except:
pass
self.uid_cache[name] = uid
return uid
def get_gid( self, name ):
try:
return self.gid_cache[name]
except:
gid = -1
try:
gid = grp.getgrnam(name).gr_gid
except:
pass
self.gid_cache[name] = gid
return gid
def get_user_name( self, uid ):
try:
return self.user_cache[uid]
except:
name = '-'
try:
name = pwd.getpwuid(uid).pw_name
except:
pass
self.user_cache[uid] = name
return name
def get_group_name( self, gid ):
try:
return self.group_cache[gid]
except:
name = '-'
try:
name = grp.getgrgid(gid).gr_name
except:
pass
self.group_cache[gid] = name
return name
def restore_callback( self, callback, ok, msg ):
if not callback is None:
if not ok:
msg = msg + " : " + _("FAILED")
callback( msg )
def _restore_path_info( self, key_path, path, dict, callback = None ):
#print "restore infos - key: %s ; path: %s" % ( key_path, path )
if key_path not in dict:
return
info = dict[key_path]
#restore uid/gid
uid = self.get_uid(info[1])
gid = self.get_gid(info[2])
if uid != -1 or gid != -1:
ok = False
try:
os.chown( path, uid, gid )
ok = True
except:
pass
self.restore_callback( callback, ok, "chown %s %s : %s" % ( path, uid, gid ) )
#if restore uid/gid failed try to restore at least gid
if not ok:
try:
os.chown( path, -1, gid )
ok = True
except:
pass
self.restore_callback( callback, ok, "chgrp %s %s" % ( path, gid ) )
#restore perms
ok = False
try:
os.chmod( path, info[0] )
ok = True
except:
pass
self.restore_callback( callback, ok, "chmod %s %04o" % ( path, info[0] ) )
def restore( self, snapshot_id, path, callback = None, restore_to = '' ):
if restore_to.endswith('/'):
restore_to = restore_to[ : -1 ]
#full rsync
full_rsync = self.config.full_rsync()
logger.info( "Restore: %s to: %s" % (path, restore_to) )
info_file = configfile.ConfigFile()
info_file.load( self.get_snapshot_info_path( snapshot_id ) )
backup_suffix = '.backup.' + datetime.date.today().strftime( '%Y%m%d' )
#cmd = "rsync -avR --copy-unsafe-links --whole-file --backup --suffix=%s --chmod=+w %s/.%s %s" % ( backup_suffix, self.get_snapshot_path_to( snapshot_id ), path, '/' )
cmd = tools.get_rsync_prefix( self.config, not full_rsync, use_modes = ['ssh'] )
cmd = cmd + '-R -v '
if not full_rsync:
# During the rsync operation, directories must be rwx by the current
# user. Files should be r and x (if executable) by the current user.
cmd += '--chmod=Du=rwx,Fu=rX,go= '
if self.config.is_backup_on_restore_enabled():
cmd = cmd + "--backup --suffix=%s " % backup_suffix
src_base = self.get_snapshot_path_to( snapshot_id, use_mode = ['ssh'] )
src_path = path
src_delta = 0
if len(restore_to) > 0:
aux = src_path
if aux.startswith('/'):
aux = aux[1:]
items = os.path.split(src_path)
aux = items[0]
if aux.startswith('/'):
aux = aux[1:]
if len(aux) > 0: #bugfix: restore system root ended in <src_base>//.<src_path>
src_base = os.path.join(src_base, aux) + '/'
src_path = '/' + items[1]
if items[0] == '/':
src_delta = 0
else:
src_delta = len(items[0])
#print "src_base: %s" % src_base
#print "src_path: %s" % src_path
#print "src_delta: %s" % src_delta
#print "snapshot_id: %s" % snapshot_id
cmd += self.rsync_remote_path('%s.%s' %(src_base, src_path), use_modes = ['ssh'])
cmd += ' "%s/"' % restore_to
self.restore_callback( callback, True, cmd )
self._execute( cmd, callback )
if full_rsync and not self.config.get_snapshots_mode() in ['ssh', 'ssh_encfs']:
return
#restore permissions
logger.info( 'Restore permissions' )
self.restore_callback( callback, True, '' )
self.restore_callback( callback, True, _("Restore permissions:") )
file_info_dict = self.load_fileinfo_dict( snapshot_id, info_file.get_int_value( 'snapshot_version' ) )
if len( file_info_dict ) > 0:
#explore items
snapshot_path_to = self.get_snapshot_path_to( snapshot_id, path ).rstrip( '/' )
root_snapshot_path_to = self.get_snapshot_path_to( snapshot_id ).rstrip( '/' )
all_dirs = [] #restore dir permissions after all files are done
if len(restore_to) == 0:
path_items = path.strip( '/' ).split( '/' )
curr_path = '/'
for path_item in path_items:
curr_path = os.path.join( curr_path, path_item )
all_dirs.append( curr_path )
else:
all_dirs.append(path)
#print "snapshot_path_to: %s" % snapshot_path_to
if os.path.isdir( snapshot_path_to ) and not os.path.islink( snapshot_path_to ):
for explore_path, dirs, files in os.walk( snapshot_path_to ):
for item in dirs:
item_path = os.path.join( explore_path, item )[ len( root_snapshot_path_to ) : ]
all_dirs.append( item_path )
for item in files:
item_path = os.path.join( explore_path, item )[ len( root_snapshot_path_to ) : ]
real_path = restore_to + item_path[src_delta:]
self._restore_path_info( item_path, real_path, file_info_dict, callback )
#else:
# item_path = snapshot_path_to[ len( root_snapshot_path_to ) : ]
# real_path = restore_to + item_path[src_delta:]
# self._restore_path_info( item_path, real_path, file_info_dict, callback )
all_dirs.reverse()
for item_path in all_dirs:
real_path = restore_to + item_path[src_delta:]
self._restore_path_info( item_path, real_path, file_info_dict, callback )
def get_snapshots_list( self, sort_reverse = True, profile_id = None, version = None ):
'''Returns a list with the snapshot_ids of all snapshots in the snapshots folder'''
biglist = []
if profile_id is None:
profile_id = self.config.get_current_profile()
snapshots_path = self.config.get_snapshots_full_path( profile_id, version )
try:
biglist = os.listdir( snapshots_path )
except:
pass
_list = []
for item in biglist:
if len( item ) != 15 and len( item ) != 19:
continue
if os.path.isdir( os.path.join( snapshots_path, item, 'backup' ) ):
_list.append( item )
_list.sort( reverse = sort_reverse )
return _list
def get_snapshots_and_other_list( self, sort_reverse = True ):
'''Returns a list with the snapshot_ids, and paths, of all snapshots in the snapshots_folder and the other_folders'''
biglist = []
profile_id = self.config.get_current_profile()
snapshots_path = self.config.get_snapshots_full_path( profile_id )
snapshots_other_paths = self.config.get_other_folders_paths()
try:
biglist = os.listdir( snapshots_path )
except:
pass
_list = []
for item in biglist:
if len( item ) != 15 and len( item ) != 19:
continue
if os.path.isdir( os.path.join( snapshots_path, item, 'backup' ) ):
#a = ( item, snapshots_path )
_list.append( item )
if len( snapshots_other_paths ) > 0:
for folder in snapshots_other_paths:
folderlist = []
try:
folderlist = os.listdir( folder )
except:
pass
for member in folderlist:
if len( member ) != 15 and len( member ) != 19:
continue
if os.path.isdir( os.path.join( folder, member, 'backup' ) ):
#a = ( member, folder )
_list.append( member )
_list.sort( reverse = sort_reverse )
return _list
def remove_snapshot( self, snapshot_id ):
if len( snapshot_id ) <= 1:
return
path = self.get_snapshot_path( snapshot_id, use_mode = ['ssh', 'ssh_encfs'] )
#cmd = "chmod -R u+rwx \"%s\"" % path
cmd = self.cmd_ssh( 'find \"%s\" -type d -exec chmod u+wx \"{}\" %s' % (path, self.config.find_suffix()), quote = True ) #Debian patch
self._execute( cmd )
cmd = self.cmd_ssh( "rm -rf \"%s\"" % path )
self._execute( cmd )
def copy_snapshot( self, snapshot_id, new_folder ):
'''Copies a known snapshot to a new location'''
current.path = self.get_snapshot_path( snapshot_id )
#need to implement hardlinking to existing folder -> cp newest snapshot folder, rsync -aEAXHv --delete to this folder
self._execute( "find \"%s\" -type d -exec chmod u+wx {} %s" % (snapshot_current_path, self.config.find_suffix()) )
cmd = "cp -dRl \"%s\"* \"%s\"" % ( current_path, new_folder )
logger.info( '%s is copied to folder %s' %( snapshot_id, new_folder ) )
self._execute( cmd )
self._execute( "find \"%s\" \"%s\" -type d -exec chmod u-w {} %s" % ( snapshot_current_path, new_folder, self.config.find_suffix() ) )
#def _get_last_snapshot_info( self ):
# lines = ''
# dict = {}
# try:
# if os.path.exists( self.config.get_last_snapshot_info_file() ):
# file = open( self.config.get_last_snapshot_info_file(), 'rt' )
# lines = file.read()
# file.close()
# except:
# pass
# lines = lines.split( '\n' )
# for line in lines:
# line = line.strip()
# if len( line ) <= 0:
# continue
# fields = line.split( ':' )
# if len( fields ) < 6:
# continue
# dict[ fields[0] ] = datetime.datetime( int(fields[1]), int(fields[2]), int(fields[3]), int(fields[4]), int(fields[5]) )
# return dict
#def _set_last_snapshot_info( self, dict ):
# lines = []
# for key, value in dict.items():
# lines.append( "%s:%s:%s:%s:%s:%s" % ( key, value.year, value.month, value.day, value.hour, value.minute ) )
# try:
# file = open( self.config.get_last_snapshot_info_file(), 'wt' )
# file.write( '\n'.join( lines ) )
# file.close()
# except:
# pass
#def call_user_callback( self, args ):
# cmd = self.config.get_take_snapshot_user_callback()
# if os.path.isfile( cmd ):
# self._execute( 'sh ' + cmd + ' ' + args )
def update_snapshots_location( self ):
'''Updates to location: backintime/machine/user/profile_id'''
if self.has_old_snapshots():
logger.info( 'Snapshot location update flag detected' )
logger.warning( 'Snapshot location needs update' )
profiles = self.config.get_profiles()
answer_change = self.config.question_handler( _('Back In Time changed its backup format.\n\nYour old snapshots can be moved according to this new format. OK?') )
#print answer_change
if answer_change == True:
logger.info( 'Update snapshot locations' )
#print len( profiles )
if len( profiles ) == 1:
logger.info( 'Only 1 profile found' )
answer_same = True
elif len( profiles ) > 1:
answer_same = self.config.question_handler( _('%s profiles found. \n\nThe new backup format supports storage of different users and profiles on the same location. Do you want the same location for both profiles? \n\n(The program will still be able to discriminate between them)') % len( profiles ) )
else:
logger.warning( 'No profiles are found!' )
self.config.notify_error( _( 'No profiles are found. Will have to update to profiles first, please restart Back In Time' ) )
logger.info( 'Config version is %s' % str( self.get_int_value( 'config.version', 1 ) ) )
if self.config.get_int_value( 'config.version', 1 ) > 1:
self.config.set_int_value( 'config.version', 2 )
logger.info( 'Config version set to 2' )
return False
# Moving old snapshots per profile_id
#print answer_same
profile_id = profiles[0]
#print profile_id
#old_folder = self.get_snapshots_path( profile_id )
#print old_folder
main_folder = self.config.get_snapshots_path( profile_id )
old_snapshots_paths=[]
counter = 0
success = []
for profile_id in profiles:
#print counter
old_snapshots_paths.append( self.config.get_snapshots_path( profile_id ) )
#print old_snapshots_paths
old_folder = os.path.join( self.config.get_snapshots_path( profile_id ), 'backintime' )
#print old_folder
if profile_id != "1" and answer_same == True:
#print 'profile_id != 1, answer = True'
self.config.set_snapshots_path( main_folder, profile_id )
logger.info( 'Folder of profile %s is set to %s' %( profile_id, main_folder ) )
else:
self.config.set_snapshots_path( self.config.get_snapshots_path( profile_id ), profile_id )
logger.info( 'Folder of profile %s is set to %s' %( profile_id, main_folder ) )
new_folder = self.config.get_snapshots_full_path( profile_id )
#print new_folder
#snapshots_to_move = tools.get_snapshots_list_in_folder( old_folder )
#print snapshots_to_move
output = tools.move_snapshots_folder( old_folder, new_folder )
snapshots_left = tools.get_snapshots_list_in_folder( old_folder )
if output == True:
success.append( True )
if len( snapshots_left ) == 0:
logger.info( 'Update was successful. Snapshots of profile %s are moved to their new location' % profile_id )
else:
logger.warning( 'Not all snapshots are removed from the original folder!' )
logger.info( 'The following snapshots are still present: %s' % snapshots_left )
logger.info( 'You could move them manually or leave them where they are now' )
else:
logger.warning( '%s: are not moved to their new location!' %snapshots_left )
answer_unsuccessful = self.config.question_handler( _('%(snapshots_left)s\nof profile %(profile_id)s are not moved to their new location\nDo you want to proceed?\n(Back In Time will be able to continue taking snapshots, however the remaining snapshots will not be considered for automatic removal)\n\nIf not Back In Time will restore former settings for this profile, however cannot continue taking snapshots' %{ 'snapshots_left' : snapshots_left, 'profile_id' : profile_id } ) )
if answer_unsuccessful == True:
success.append( True )
else:
success.append( False )
# restore
logger.info( 'Restore former settings' )
self.config.set_snapshots_path( old_snapshots_paths[counter], profile_id )
#print self.get_snapshots_path( profile_id )
self.config.error_handler( _('Former settings of profile %s are restored.\nBack In Time cannot continue taking new snapshots.\n\nYou can manually move the snapshots, \nif you are done restart Back In Time to proceed' %profile_id ) )
counter = counter + 1
#print success
overall_success = True
for item in success:
if item == False:
overall_success = False
if overall_success == True:
#self.set_update_other_folders( False )
#print self.get_update_other_folders()
logger.info( 'Back In Time will be able to make new snapshots again!' )
self.config.error_handler( _('Update was successful!\n\nBack In Time will continue taking snapshots again as scheduled' ) )
elif answer_change == False:
logger.info( 'Move refused by user' )
logger.warning( 'Old snapshots are not taken into account by smart-remove' )
answer_continue = self.config.question_handler( _('Are you sure you do not want to move your old snapshots?\n\n\nIf you do, you will not see these questions again next time, Back In Time will continue making snapshots again, but smart-remove cannot take your old snapshots into account any longer!\n\nIf you do not, you will be asked again next time you start Back In Time.') )
if answer_continue == True:
#self.set_update_other_folders( False )
for profile_id in profiles:
old_folder = self.config.get_snapshots_path( profile_id )
self.config.set_snapshots_path( old_folder, profile_id )
logger.info( 'Folder of profile %s is set to %s' %( profile_id, self.get_snapshots_path( profile_id ) ) )
logger.info( 'Back In Time will be able to make new snapshots again!' )
self.config.error_handler( _('Back In Time will continue taking snapshots again as scheduled' ) )
else:
self.config.error_handler( _( 'Back In Time still cannot continue taking new snapshots.\nRestart Back In Time to see the questions again' ) )
else:
return False
def has_old_snapshots( self ):
return len( self.get_snapshots_list( False, None, 3 ) ) > 0
def take_snapshot( self, force = False ):
ret_val = False
sleep = True
self.plugin_manager.load_plugins( self )
if not self.config.is_configured():
logger.warning( 'Not configured' )
self.plugin_manager.on_error( 1 ) #not configured
elif self.config.is_no_on_battery_enabled() and tools.on_battery():
logger.info( 'Deferring backup while on battery' )
logger.warning( 'Backup not performed' )
#elif self.config.get_update_other_folders() == True:
elif self.has_old_snapshots():
logger.info( 'The application needs to change the backup format. Start the GUI to proceed. (As long as you do not you will not be able to make new snapshots!)' )
logger.warning( 'Backup not performed' )
else:
instance = applicationinstance.ApplicationInstance( self.config.get_take_snapshot_instance_file(), False )
if not instance.check():
logger.warning( 'A backup is already running' )
self.plugin_manager.on_error( 2 ) #a backup is already running
else:
ret_error = False
if self.config.is_no_on_battery_enabled () and not tools.power_status_available():
logger.warning( 'Backups disabled on battery but power status is not available' )
instance.start_application()
logger.info( 'Lock' )
#if not self.config.get_per_directory_schedule():
# force = True
now = datetime.datetime.today()
#if not force:
# now = now.replace( second = 0 )
#mount
try:
hash_id = mount.Mount(cfg = self.config).mount()
except mount.MountException as ex:
logger.error(str(ex))
instance.exit_application()
logger.info( 'Unlock' )
os.system( 'sleep 2' )
return False
else:
self.config.set_current_hash_id(hash_id)
#include_folders, ignore_folders, dict = self._get_backup_folders( now, force )
include_folders = self.config.get_include()
if len( include_folders ) <= 0:
logger.info( 'Nothing to do' )
else:
self.plugin_manager.on_process_begins() #take snapshot process begin
logger.info( "on process begins" )
self.set_take_snapshot_message( 0, '...' )
self.new_take_snapshot_log( now )
profile_id = self.config.get_current_profile()
logger.info( "Profile_id: %s" % profile_id )
if not self.config.can_backup( profile_id ):
if self.plugin_manager.has_gui_plugins() and self.config.is_notify_enabled():
self.set_take_snapshot_message( 1,
_('Can\'t find snapshots folder.\nIf it is on a removable drive please plug it.' ) +
'\n' +
gettext.ngettext( 'Waiting %s second.', 'Waiting %s seconds.', 30 ) % 30,
30 )
for counter in xrange( 30, 0, -1 ):
os.system( 'sleep 1' )
if self.config.can_backup():
break
if not self.config.can_backup( profile_id ):
logger.warning( 'Can\'t find snapshots folder !' )
self.plugin_manager.on_error( 3 ) #Can't find snapshots directory (is it on a removable drive ?)
else:
snapshot_id = self.get_snapshot_id( now )
snapshot_path = self.get_snapshot_path( snapshot_id )
if os.path.exists( snapshot_path ):
logger.warning( "Snapshot path \"%s\" already exists" % snapshot_path )
self.plugin_manager.on_error( 4, snapshot_id ) #This snapshots already exists
else:
#ret_val = self._take_snapshot( snapshot_id, now, include_folders, ignore_folders, dict, force )
ret_val, ret_error = self._take_snapshot( snapshot_id, now, include_folders )
if not ret_val:
self._execute( "rm -rf \"%s\"" % snapshot_path )
if ret_error:
logger.error( 'Failed to take snapshot !!!' )
self.set_take_snapshot_message( 1, _('Failed to take snapshot %s !!!') % now.strftime( '%x %H:%M:%S' ) )
os.system( 'sleep 2' )
else:
logger.warning( "No new snapshot" )
else:
ret_error = False
if not ret_error:
self._free_space( now )
self.set_take_snapshot_message( 0, _('Finalizing') )
os.system( 'sleep 2' )
sleep = False
if ret_val:
self.plugin_manager.on_new_snapshot( snapshot_id, snapshot_path ) #new snapshot
self.plugin_manager.on_process_ends() #take snapshot process end
if sleep:
os.system( 'sleep 2' )
sleep = False
if not ret_error:
self.clear_take_snapshot_message()
#unmount
try:
mount.Mount(cfg = self.config).umount(self.config.current_hash_id)
except mount.MountException as ex:
logger.error(str(ex))
instance.exit_application()
logger.info( 'Unlock' )
if sleep:
os.system( 'sleep 2' ) #max 1 backup / second
return ret_val
def _exec_rsync_callback( self, line, params ):
self.set_take_snapshot_message( 0, _('Take snapshot') + " (rsync: %s)" % line )
if line.endswith( ')' ):
if line.startswith( 'rsync:' ):
if not line.startswith( 'rsync: chgrp ' ) and not line.startswith( 'rsync: chown ' ):
params[0] = True
self.set_take_snapshot_message( 1, 'Error: ' + line )
if len(line) >= 13:
if line.startswith( 'BACKINTIME: ' ):
if line[12] != '.' and line[12:14] != 'cd':
params[1] = True
self.append_to_take_snapshot_log( '[C] ' + line[ 12 : ], 2 )
def _exec_rsync_compare_callback( self, line, params ):
#self.set_take_snapshot_message( 0, _('Compare with snapshot %s') % params[0] )
if len(line) >= 13:
if line.startswith( 'BACKINTIME: ' ):
if line[12] != '.':
params[1] = True
self.append_to_take_snapshot_log( '[C] ' + line[ 12 : ], 2 )
def _append_item_to_list( self, item, _list ):
for list_item in _list:
if item == list_item:
return
_list.append( item )
def _is_auto_backup_needed( self, now, last, mode ):
#print "now: %s, last: %s, mode: %s" % ( now, last, mode )
if self.config.NONE == mode:
return False
if now <= last:
return False
if now.year > last.year: #year changed
return True
if self.config.MONTH == mode: #month changed
return now.month > last.month
if self.config.WEEK == mode: #weekly
if now.date() <= last.date():
return False
return now.isoweekday() == 7 #Sunday
if now.date() > last.date(): #day changed
return True
if self.config.DAY == mode:
return False
if now.hour > last.hour: #hour changed
return True
if self.config.HOUR == mode:
return False
if self.config._10_MIN == mode: #every 10 minutes
return ( int( now.minute / 10 ) ) > ( int( last.minute / 10 ) )
if self.config._5_MIN == mode: #every 5 minutes
return ( int( now.minute / 5 ) ) > ( int( last.minute / 5 ) )
return False
#def _get_backup_folders( self, now, force ):
# include_folders = []
# ignore_folders = []
# dict = self._get_last_snapshot_info()
# dict2 = {}
# all_include_folders = self.config.get_include()
#
# for item in all_include_folders:
# path = item[0]
# path = os.path.expanduser( path )
# path = os.path.abspath( path )
# if path in dict:
# dict2[ path ] = dict[ path ]
# if not os.path.isdir( path ):
# continue
# if not force and path in dict:
# if not self._is_auto_backup_needed( now, dict[path], item[1] ):
# ignore_folders.append( path )
# continue
# include_folders.append( path )
# logger.info( "Include folders: %s" % include_folders )
# logger.info( "Ignore folders: %s" % ignore_folders )
# logger.info( "Last snapshots: %s" % dict2 )
# return ( include_folders, ignore_folders, dict2 )
def _create_directory( self, folder ):
tools.make_dirs( folder )
if not os.path.exists( folder ):
logger.error( "Can't create folder: %s" % folder )
self.set_take_snapshot_message( 1, _('Can\'t create folder: %s') % folder )
os.system( 'sleep 2' ) #max 1 backup / second
return False
return True
def _save_path_info_line( self, fileinfo, path, info ):
fileinfo.write( "%s %s %s %s\n" % ( info[0], info[1], info[2], path ) )
def _save_path_info( self, fileinfo, path ):
try:
info = os.stat( path )
user = self.get_user_name(info.st_uid)
group = self.get_group_name(info.st_gid)
self._save_path_info_line( fileinfo, path, [ info.st_mode, user, group ] )
except:
pass
def _take_snapshot( self, snapshot_id, now, include_folders ): # ignore_folders, dict, force ):
self.set_take_snapshot_message( 0, _('...') )
new_snapshot_id = 'new_snapshot'
def snapshot_path(**kwargs):
return self.get_snapshot_path( snapshot_id, **kwargs )
def new_snapshot_path(**kwargs):
return self.get_snapshot_path( new_snapshot_id, **kwargs )
def new_snapshot_path_to(**kwargs):
return self.get_snapshot_path_to( new_snapshot_id, **kwargs )
def prev_snapshot_path_to(**kwargs):
return self.get_snapshot_path_to( prev_snapshot_id, **kwargs )
#find
find_suffix = self.config.find_suffix()
if os.path.exists( new_snapshot_path() ):
#self._execute( "find \"%s\" -type d -exec chmod +w {} \;" % new_snapshot_path )
#self._execute( "chmod -R u+rwx \"%s\"" % new_snapshot_path )
self._execute( "find \"%s\" -type d -exec chmod u+wx {} %s" % (new_snapshot_path(), find_suffix) ) #Debian patch
self._execute( "rm -rf \"%s\"" % new_snapshot_path() )
if os.path.exists( new_snapshot_path() ):
logger.error( "Can't remove folder: %s" % new_snapshot_path() )
self.set_take_snapshot_message( 1, _('Can\'t remove folder: %s') % new_snapshot_path() )
os.system( 'sleep 2' ) #max 1 backup / second
return [ False, True ]
#create exclude patterns string
items = []
encode = self.config.ENCODE
for exclude in self.config.get_exclude():
exclude = encode.exclude(exclude)
if exclude is None:
continue
self._append_item_to_list( "--exclude=\"%s\"" % exclude, items )
#for folder in ignore_folders:
# self._append_item_to_list( "--exclude=\"%s\"" % folder, items )
rsync_exclude = ' '.join( items )
#create include patterns list
items = []
items2 = []
for include_folder in include_folders:
folder = include_folder[0]
if folder == "/": # If / is selected as included folder it should be changed to ""
#folder = "" # because an extra / is added below. Patch thanks to Martin Hoefling
self._append_item_to_list( "--include=\"/\"" , items2 )
self._append_item_to_list( "--include=\"/**\"" , items2 )
continue
folder = encode.include(folder)
if include_folder[1] == 0:
self._append_item_to_list( "--include=\"%s/**\"" % folder, items2 )
else:
self._append_item_to_list( "--include=\"%s\"" % folder, items2 )
folder = os.path.split( folder )[0]
while True:
self._append_item_to_list( "--include=\"%s/\"" % folder, items )
folder = os.path.split( folder )[0]
if len( folder) <= 1:
break
rsync_include = ' '.join( items )
rsync_include2 = ' '.join( items2 )
#check previous backup
#should only contain the personal snapshots
check_for_changes = self.config.check_for_changes()
#full rsync
full_rsync = self.config.full_rsync()
#rsync prefix & suffix
rsync_prefix = tools.get_rsync_prefix( self.config, not full_rsync ) # 'rsync -aEAXH '
rsync_exclude_backup_directory = " --exclude=\"%s\" --exclude=\"%s\" --exclude=\"%s\" " % \
( encode.exclude( self.config.get_snapshots_path() ), \
encode.exclude( self.config._LOCAL_DATA_FOLDER ) , \
encode.exclude( self.config.MOUNT_ROOT ) )
#rsync_suffix = ' --chmod=Fa-w,Da-w --delete ' + rsync_exclude_backup_directory + rsync_include + ' ' + rsync_exclude + ' ' + rsync_include2 + ' --exclude=\"*\" / '
rsync_suffix = ' --chmod=Du+wx ' + rsync_exclude_backup_directory
rsync_suffix += rsync_include + ' ' + rsync_exclude + ' ' + rsync_include2
rsync_suffix += ' --exclude=\"*\" ' + encode.chroot + ' '
#update dict
#if not force:
# for folder in include_folders:
# dict[ folder ] = now
#
# self._set_last_snapshot_info( dict )
prev_snapshot_id = ''
snapshots = self.get_snapshots_list()
if len( snapshots ) == 0:
snapshots = self.get_snapshots_and_other_list()
# When there is no snapshots it takes the last snapshot from the other folders
# It should delete the excluded folders then
rsync_prefix = rsync_prefix + ' --delete --delete-excluded '
if len( snapshots ) > 0:
prev_snapshot_id = snapshots[0]
if not full_rsync:
changed = True
if check_for_changes:
prev_snapshot_name = self.get_snapshot_display_id( prev_snapshot_id )
self.set_take_snapshot_message( 0, _('Compare with snapshot %s') % prev_snapshot_name )
logger.info( "Compare with old snapshot: %s" % prev_snapshot_id )
cmd = rsync_prefix + ' -i --dry-run --out-format="BACKINTIME: %i %n%L"' + rsync_suffix
cmd += self.rsync_remote_path( prev_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']) )
params = [ prev_snapshot_path_to(), False ]
#try_cmd = self._execute_output( cmd, self._exec_rsync_compare_callback, prev_snapshot_name )
self.append_to_take_snapshot_log( '[I] ' + cmd, 3 )
self._execute( cmd, self._exec_rsync_compare_callback, params )
changed = params[1]
#changed = False
#for line in try_cmd.split( '\n' ):
# if len( line ) < 1:
# continue
# if line[0] != '.':
# changed = True
# break
if not changed:
logger.info( "Nothing changed, no back needed" )
return [ False, False ]
if not self._create_directory( new_snapshot_path_to() ):
return [ False, True ]
if not full_rsync:
self.set_take_snapshot_message( 0, _('Create hard-links') )
logger.info( "Create hard-links" )
# When schedule per included folders is enabled this did not work (cp -alb iso cp -al?)
# This resulted in a complete rsync for the whole snapshot consuming time and space
# The ignored folders were copied afterwards. To solve this, the whole last snapshot is now hardlinked
# and rsync is called only for the folders that should be synced (without --delete-excluded).
#if force or len( ignore_folders ) == 0:
#make source snapshot folders rw to allow cp -al
self._execute( self.cmd_ssh('find \"%s\" -type d -exec chmod u+wx \"{}\" %s' % (prev_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']), find_suffix), quote = True) ) #Debian patch
#clone snapshot
cmd = self.cmd_ssh( "cp -aRl \"%s\"* \"%s\"" % ( prev_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']), new_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']) ) )
self.append_to_take_snapshot_log( '[I] ' + cmd, 3 )
cmd_ret_val = self._execute( cmd )
self.append_to_take_snapshot_log( "[I] returns: %s" % cmd_ret_val, 3 )
#make source snapshot folders read-only
self._execute( self.cmd_ssh( 'find \"%s\" -type d -exec chmod a-w \"{}\" %s' % (prev_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']), find_suffix), quote = True) ) #Debian patch
#make snapshot items rw to allow xopy xattr
self._execute( self.cmd_ssh( "chmod -R a+w \"%s\"" % new_snapshot_path(use_mode = ['ssh', 'ssh_encfs']) ) )
#else:
# for folder in include_folders:
# prev_path = self.get_snapshot_path_to( prev_snapshot_id, folder )
# new_path = self.get_snapshot_path_to( new_snapshot_id, folder )
# tools.make_dirs( new_path )
# cmd = "cp -alb \"%s\"* \"%s\"" % ( prev_path, new_path )
# self._execute( cmd )
else:
if not self._create_directory( new_snapshot_path_to() ):
return [ False, True ]
#sync changed folders
logger.info( "Call rsync to take the snapshot" )
cmd = rsync_prefix + ' -v ' + rsync_suffix
cmd += self.rsync_remote_path( new_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']) )
self.set_take_snapshot_message( 0, _('Take snapshot') )
if full_rsync:
if len( prev_snapshot_id ) > 0:
#prev_snapshot_folder = self.get_snapshot_path_to( prev_snapshot_id )
#prev_snapshot_folder_ssh = self.get_snapshot_path_to_ssh( prev_snapshot_id )
#if ssh:
# cmd = cmd + " --link-dest=\"%s\"" % prev_snapshot_folder_ssh
#else:
# cmd = cmd + " --link-dest=\"%s\"" % prev_snapshot_folder
link_dest = encode.path( os.path.join(prev_snapshot_id, 'backup') )
link_dest = os.path.join('..', '..', link_dest)
cmd = cmd + " --link-dest=\"%s\"" % link_dest
cmd = cmd + ' -i --out-format="BACKINTIME: %i %n%L"'
params = [False, False]
self.append_to_take_snapshot_log( '[I] ' + cmd, 3 )
self._execute( cmd + ' 2>&1', self._exec_rsync_callback, params )
has_errors = False
if params[0]:
if not self.config.continue_on_errors():
self._execute( self.cmd_ssh( 'find \"%s\" -type d -exec chmod u+wx \"{}\" %s' % (new_snapshot_path(use_mode = ['ssh', 'ssh_encfs']), find_suffix), quote = True) ) #Debian patch
self._execute( self.cmd_ssh( "rm -rf \"%s\"" % new_snapshot_path(use_mode = ['ssh', 'ssh_encfs']) ) )
if not full_rsync:
#fix previous snapshot: make read-only again
if len( prev_snapshot_id ) > 0:
self._execute( self.cmd_ssh("chmod -R a-w \"%s\"" % prev_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']) ) )
return [ False, True ]
has_errors = True
self._execute( "touch \"%s\"" % self.get_snapshot_failed_path( new_snapshot_id ) )
if full_rsync:
if not params[1]:
self._execute( self.cmd_ssh( 'find \"%s\" -type d -exec chmod u+wx \"{}\" %s' % (new_snapshot_path(use_mode = ['ssh', 'ssh_encfs']), find_suffix), quote = True) ) #Debian patch
self._execute( self.cmd_ssh( "rm -rf \"%s\"" % new_snapshot_path(use_mode = ['ssh', 'ssh_encfs']) ) )
logger.info( "Nothing changed, no back needed" )
return [ False, False ]
#backup config file
logger.info( 'Save config file' )
self.set_take_snapshot_message( 0, _('Save config file ...') )
self._execute( 'cp %s %s' % (self.config._LOCAL_CONFIG_PATH, new_snapshot_path_to() + '..') )
if not full_rsync or self.config.get_snapshots_mode() in ['ssh', 'ssh_encfs']:
#save permissions for sync folders
logger.info( 'Save permissions' )
self.set_take_snapshot_message( 0, _('Save permission ...') )
fileinfo = bz2.BZ2File( self.get_snapshot_fileinfo_path( new_snapshot_id ), 'w' )
path_to_explore = self.get_snapshot_path_to( new_snapshot_id ).rstrip( '/' )
fileinfo_dict = {}
permission_done = False
if self.config.get_snapshots_mode() in ['ssh', 'ssh_encfs']:
path_to_explore_ssh = new_snapshot_path_to(use_mode = ['ssh', 'ssh_encfs']).rstrip( '/' )
cmd = self.cmd_ssh(['find', path_to_explore_ssh, '-name', '\*', '-print'])
find = subprocess.Popen(cmd, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
output = find.communicate()[0]
if find.returncode:
logger.warning('Save permission over ssh failed. Retry normal methode')
else:
if self.config.get_snapshots_mode() == 'ssh_encfs':
decode = encfstools.Decode(self.config)
path_to_explore_ssh = decode.remote(path_to_explore_ssh)
else:
decode = encfstools.Bounce()
for line in output.split('\n'):
if not len(line) == 0:
line = decode.remote(line)
item_path = line[ len( path_to_explore_ssh ) : ]
fileinfo_dict[item_path] = 1
self._save_path_info( fileinfo, item_path )
permission_done = True
if not permission_done:
for path, dirs, files in os.walk( path_to_explore ):
dirs.extend( files )
for item in dirs:
item_path = os.path.join( path, item )[ len( path_to_explore ) : ]
fileinfo_dict[item_path] = 1
self._save_path_info( fileinfo, item_path )
# We now copy on forehand, so copying afterwards is not necessary anymore
##copy ignored folders
#if not force and len( prev_snapshot_id ) > 0 and len( ignore_folders ) > 0:
# prev_fileinfo_dict = self.load_fileinfo_dict( prev_snapshot_id )
#
# for folder in ignore_folders:
# prev_path = self.get_snapshot_path_to( prev_snapshot_id, folder )
# new_path = self.get_snapshot_path_to( new_snapshot_id, folder )
# tools.make_dirs( new_path )
# cmd = "cp -alb \"%s/\"* \"%s\"" % ( prev_path, new_path )
# self._execute( cmd )
#
# if len( prev_fileinfo_dict ) > 0:
# #save permissions for all items to folder
# item_path = '/'
# prev_path_items = folder.strip( '/' ).split( '/' )
# for item in items:
# item_path = os.path.join( item_path, item )
# if item_path not in fileinfo_dict and item_path in prev_fileinfo_dict:
# self._save_path_info_line( fileinfo, item_path, prev_fileinfo_dict[item_path] )
# #save permission for all items in folder
# for path, dirs, files in os.walk( new_path ):
# dirs.extend( files )
# for item in dirs:
# item_path = os.path.join( path, item )[ len( path_to_explore ) : ]
# if item_path not in fileinfo_dict and item_path in prev_fileinfo_dict:
# self._save_path_info_line( fileinfo, item_path, prev_fileinfo_dict[item_path] )
fileinfo.close()
#create info file
logger.info( "Create info file" )
machine = socket.gethostname()
user = self.config.get_user()
profile_id = self.config.get_current_profile()
tag = self.config.get_tag( profile_id )
info_file = configfile.ConfigFile()
info_file.set_int_value( 'snapshot_version', self.SNAPSHOT_VERSION )
info_file.set_str_value( 'snapshot_date', snapshot_id[0:15] )
info_file.set_str_value( 'snapshot_machine', machine )
info_file.set_str_value( 'snapshot_user', user )
info_file.set_int_value( 'snapshot_profile_id', profile_id )
info_file.set_int_value( 'snapshot_tag', tag )
info_file.save( self.get_snapshot_info_path( new_snapshot_id ) )
info_file = None
#copy take snapshot log
try:
logfile = open( self.config.get_take_snapshot_log_file(), 'r' )
logdata = logfile.read()
logfile.close()
logfile = bz2.BZ2File( self.get_snapshot_log_path( new_snapshot_id ), 'w' )
logfile.write( logdata )
logfile.close()
except:
pass
#rename snapshot
os.system( self.cmd_ssh( "mv \"%s\" \"%s\"" % ( new_snapshot_path(use_mode = ['ssh', 'ssh_encfs']), snapshot_path(use_mode = ['ssh', 'ssh_encfs']) ) ) )
if not os.path.exists( snapshot_path() ):
logger.error( "Can't rename %s to %s" % ( new_snapshot_path(), snapshot_path() ) )
self.set_take_snapshot_message( 1, _('Can\'t rename %(new_path)s to %(path)s') % { 'new_path' : new_snapshot_path(), 'path' : snapshot_path() } )
os.system( 'sleep 2' ) #max 1 backup / second
return [ False, True ]
if not full_rsync:
#make new snapshot read-only
self._execute( self.cmd_ssh( "chmod -R a-w \"%s\"" % snapshot_path(use_mode = ['ssh', 'ssh_encfs']) ) )
#create last_snapshot symlink
self.create_last_snapshot_symlink(snapshot_id)
return [ True, has_errors ]
def _smart_remove_keep_all_( self, snapshots, keep_snapshots, min_date, max_date ):
min_id = self.get_snapshot_id( min_date )
max_id = self.get_snapshot_id( max_date )
logger.info( "[smart remove] keep all >= %s and < %s" % ( min_id, max_id ) )
for snapshot_id in snapshots:
if snapshot_id >= min_id and snapshot_id < max_id:
if snapshot_id not in keep_snapshots:
keep_snapshots.append( snapshot_id )
return keep_snapshots
def _smart_remove_keep_first_( self, snapshots, keep_snapshots, min_date, max_date ):
min_id = self.get_snapshot_id( min_date )
max_id = self.get_snapshot_id( max_date )
logger.info( "[smart remove] keep first >= %s and < %s" % ( min_id, max_id ) )
for snapshot_id in snapshots:
if snapshot_id >= min_id and snapshot_id < max_id:
if snapshot_id not in keep_snapshots:
keep_snapshots.append( snapshot_id )
break
return keep_snapshots
def inc_month( self, date ):
y = date.year
m = date.month + 1
if m > 12:
m = 1
y = y + 1
return datetime.date( y, m, 1 )
def dec_month( self, date ):
y = date.year
m = date.month - 1
if m < 1:
m = 12
y = y - 1
return datetime.date( y, m, 1 )
def smart_remove( self, now_full, keep_all, keep_one_per_day, keep_one_per_week, keep_one_per_month ):
snapshots = self.get_snapshots_list()
logger.info( "[smart remove] considered: %s" % snapshots )
if len( snapshots ) <= 1:
logger.info( "[smart remove] There is only one snapshots, so keep it" )
return
if now_full is None:
now_full = datetime.datetime.today()
now = now_full.date()
#keep the last snapshot
keep_snapshots = [ snapshots[0] ]
#keep all for the last keep_all days
if keep_all > 0:
keep_snapshots = self._smart_remove_keep_all_( snapshots, keep_snapshots, now - datetime.timedelta( days=keep_all-1), now + datetime.timedelta(days=1) )
#keep one per days for the last keep_one_per_day days
if keep_one_per_day > 0:
d = now
for i in xrange( 0, keep_one_per_day ):
keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, d, d + datetime.timedelta(days=1) )
d = d - datetime.timedelta(days=1)
#keep one per week for the last keep_one_per_week weeks
if keep_one_per_week > 0:
d = now - datetime.timedelta( days = now.weekday() + 1 )
for i in xrange( 0, keep_one_per_week ):
keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, d, d + datetime.timedelta(days=8) )
d = d - datetime.timedelta(days=7)
#keep one per month for the last keep_one_per_month months
if keep_one_per_month > 0:
d1 = datetime.date( now.year, now.month, 1 )
d2 = self.inc_month( d1 )
for i in xrange( 0, keep_one_per_month ):
keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, d1, d2 )
d2 = d1
d1 = self.dec_month(d1)
#keep one per year for all years
first_year = int(snapshots[-1][ : 4])
for i in xrange( first_year, now.year+1 ):
keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, datetime.date(i,1,1), datetime.date(i+1,1,1) )
logger.info( "[smart remove] keep snapshots: %s" % keep_snapshots )
for snapshot_id in snapshots:
if snapshot_id in keep_snapshots:
continue
if self.config.get_dont_remove_named_snapshots():
if len( self.get_snapshot_name( snapshot_id ) ) > 0:
logger.info( "[smart remove] keep snapshot: %s, it has a name" % snapshot_id )
continue
logger.info( "[smart remove] remove snapshot: %s" % snapshot_id )
self.remove_snapshot( snapshot_id )
def _free_space( self, now ):
#remove old backups
if self.config.is_remove_old_snapshots_enabled():
self.set_take_snapshot_message( 0, _('Remove old snapshots') )
snapshots = self.get_snapshots_list( False )
old_backup_id = self.get_snapshot_id( self.config.get_remove_old_snapshots_date() )
logger.info( "Remove backups older than: %s" % old_backup_id[0:15] )
while True:
if len( snapshots ) <= 1:
break
if snapshots[0] >= old_backup_id:
break
if self.config.get_dont_remove_named_snapshots():
if len( self.get_snapshot_name( snapshots[0] ) ) > 0:
del snapshots[0]
continue
self.remove_snapshot( snapshots[0] )
del snapshots[0]
#smart remove
smart_remove, keep_all, keep_one_per_day, keep_one_per_week, keep_one_per_month = self.config.get_smart_remove()
if smart_remove:
self.set_take_snapshot_message( 0, _('Smart remove') )
self.smart_remove( now, keep_all, keep_one_per_day, keep_one_per_week, keep_one_per_month )
#try to keep min free space
if self.config.is_min_free_space_enabled():
self.set_take_snapshot_message( 0, _('Try to keep min free space') )
min_free_space = self.config.get_min_free_space_in_mb()
logger.info( "Keep min free disk space: %s Mb" % min_free_space )
snapshots = self.get_snapshots_list( False )
while True:
if len( snapshots ) <= 1:
break
info = os.statvfs( self.config.get_snapshots_path() )
free_space = info[ statvfs.F_FRSIZE ] * info[ statvfs.F_BAVAIL ] / ( 1024 * 1024 )
if free_space >= min_free_space:
break
if self.config.get_dont_remove_named_snapshots():
if len( self.get_snapshot_name( snapshots[0] ) ) > 0:
del snapshots[0]
continue
logger.info( "free disk space: %s Mb" % free_space )
self.remove_snapshot( snapshots[0] )
del snapshots[0]
#try to keep free inodes
if self.config.min_free_inodes_enabled():
min_free_inodes = self.config.min_free_inodes()
self.set_take_snapshot_message( 0, _('Try to keep min %d%% free inodes') % min_free_inodes )
logger.info( "Keep min %d%% free inodes" % min_free_inodes )
snapshots = self.get_snapshots_list( False )
while True:
if len( snapshots ) <= 1:
break
info = os.statvfs( self.config.get_snapshots_path() )
free_inodes = info[statvfs.F_FAVAIL]
max_inodes = info[statvfs.F_FILES]
if free_inodes >= max_inodes * (min_free_inodes / 100.0):
break
if self.config.get_dont_remove_named_snapshots():
if len( self.get_snapshot_name( snapshots[0] ) ) > 0:
del snapshots[0]
continue
logger.info( "free inodes: %.2f%%" % (100.0 / max_inodes * free_inodes) )
self.remove_snapshot( snapshots[0] )
del snapshots[0]
def _execute( self, cmd, callback = None, user_data = None ):
ret_val = 0
if callback is None:
ret_val = os.system( cmd )
else:
pipe = os.popen( cmd, 'r' )
while True:
line = tools.temp_failure_retry( pipe.readline )
if len( line ) == 0:
break
callback( line.strip(), user_data )
ret_val = pipe.close()
if ret_val is None:
ret_val = 0
if ret_val != 0:
logger.warning( "Command \"%s\" returns %s" % ( cmd, ret_val ) )
else:
logger.info( "Command \"%s\" returns %s" % ( cmd, ret_val ) )
return ret_val
#def _execute_output( self, cmd, callback = None, user_data = None ):
# output = ''
# pipe = os.popen( cmd, 'r' )
#
# while True:
# line = tools.temp_failure_retry( pipe.readline )
# if len( line ) == 0:
# break
# output = output + line
# if not callback is None:
# callback( line.strip(), user_data )
# ret_val = pipe.close()
# if ret_val is None:
# ret_val = 0
# if ret_val != 0:
# logger.warning( "Command \"%s\" returns %s" % ( cmd, ret_val ) )
# else:
# logger.info( "Command \"%s\" returns %s" % ( cmd, ret_val ) )
# return output
def filter_for(self, base_snapshot_id, base_path, snapshots_list, list_diff_only = False, flag_deep_check = False, list_equal_to = False):
"return a list of available snapshots (including 'now'), eventually filtered for uniqueness"
snapshots_filtered = []
base_full_path = self.get_snapshot_path_to( base_snapshot_id, base_path )
if not os.path.lexists( base_full_path ):
return []
all_snapshots_list = [ '/' ]
all_snapshots_list.extend( snapshots_list )
#links
if os.path.islink( base_full_path ):
targets = []
for snapshot_id in all_snapshots_list:
path = self.get_snapshot_path_to( snapshot_id, base_path )
if os.path.lexists( path ) and os.path.islink( path ):
if list_diff_only:
target = os.readlink( path )
if target in targets:
continue
targets.append( target )
snapshots_filtered.append(snapshot_id)
return snapshots_filtered
#directories
if os.path.isdir( base_full_path ):
for snapshot_id in all_snapshots_list:
path = self.get_snapshot_path_to( snapshot_id, base_path )
if os.path.exists( path ) and not os.path.islink( path ) and os.path.isdir( path ):
snapshots_filtered.append(snapshot_id)
return snapshots_filtered
#files
if not list_diff_only and not list_equal_to:
for snapshot_id in all_snapshots_list:
path = self.get_snapshot_path_to( snapshot_id, base_path )
if os.path.exists( path ) and not os.path.islink( path ) and os.path.isfile( path ):
snapshots_filtered.append(snapshot_id)
return snapshots_filtered
# check for duplicates
uniqueness = tools.UniquenessSet(flag_deep_check, follow_symlink = False, list_equal_to = list_equal_to)
for snapshot_id in all_snapshots_list:
path = self.get_snapshot_path_to( snapshot_id, base_path )
if os.path.exists( path ) and not os.path.islink( path ) and os.path.isfile( path ) and uniqueness.check_for(path):
snapshots_filtered.append(snapshot_id)
return snapshots_filtered
def cmd_ssh(self, cmd, quote = False, use_modes = ['ssh', 'ssh_encfs'] ):
mode = self.config.get_snapshots_mode()
if mode in ['ssh', 'ssh_encfs'] and mode in use_modes:
(ssh_host, ssh_port, ssh_user, ssh_path, ssh_cipher) = self.config.get_ssh_host_port_user_path_cipher()
if isinstance(cmd, str):
if ssh_cipher == 'default':
ssh_cipher_suffix = ''
else:
ssh_cipher_suffix = '-c %s' % ssh_cipher
if self.config.is_run_ionice_on_remote_enabled():
cmd = 'ionice -c2 -n7 ' + cmd
if self.config.is_run_nice_on_remote_enabled():
cmd = 'nice -n 19 ' + cmd
if quote:
cmd = '\'%s\'' % cmd
return 'ssh -p %s -o ServerAliveInterval=240 %s %s@%s %s' \
% ( str(ssh_port), ssh_cipher_suffix, ssh_user, ssh_host, cmd )
if isinstance(cmd, tuple):
cmd = list(cmd)
if isinstance(cmd, list):
suffix = ['ssh', '-p', str(ssh_port)]
suffix += ['-o', 'ServerAliveInterval=240']
if not ssh_cipher == 'default':
suffix += ['-c', ssh_cipher]
suffix += ['%s@%s' % (ssh_user, ssh_host)]
if self.config.is_run_ionice_on_remote_enabled():
cmd = ['ionice', '-c2', '-n7'] + cmd
if self.config.is_run_nice_on_remote_enabled():
cmd = ['nice', '-n 19'] + cmd
if quote:
cmd = ['\''] + cmd + ['\'']
return suffix + cmd
else:
return cmd
def rsync_remote_path(self, path, use_modes = ['ssh', 'ssh_encfs'] ):
mode = self.config.get_snapshots_mode()
if mode in ['ssh', 'ssh_encfs'] and mode in use_modes:
user = self.config.get_ssh_user()
host = self.config.get_ssh_host()
return '\'%s@%s:"%s"\'' % (user, host, path)
else:
return '"%s"' % path
def delete_path(self, snapshot_id, path):
def handle_error(fn, path, excinfo):
dir = os.path.dirname(path)
if not os.access(dir, os.W_OK):
st = os.stat(dir)
os.chmod(dir, st.st_mode | stat.S_IWUSR)
st = os.stat(path)
os.chmod(path, st.st_mode | stat.S_IWUSR)
fn(path)
full_path = self.get_snapshot_path_to(snapshot_id, path)
dirname = os.path.dirname(full_path)
dir_st = os.stat(dirname)
os.chmod(dirname, dir_st.st_mode | stat.S_IWUSR)
if os.path.isdir(full_path) and not os.path.islink(full_path):
shutil.rmtree(full_path, onerror = handle_error)
else:
st = os.stat(full_path)
os.chmod(full_path, st.st_mode | stat.S_IWUSR)
os.remove(full_path)
os.chmod(dirname, dir_st.st_mode)
def create_last_snapshot_symlink(self, snapshot_id):
symlink = self.config.get_last_snapshot_symlink()
if os.path.islink(symlink):
os.remove(symlink)
if os.path.exists(symlink):
return False
os.symlink(snapshot_id, symlink)
if __name__ == "__main__":
config = config.Config()
snapshots = Snapshots( config )
snapshots.take_snapshot()
|