/usr/share/pyshared/rdiff_backup/manage.py is in rdiff-backup 1.2.8-7.
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 | # Copyright 2002 Ben Escoto
#
# This file is part of rdiff-backup.
#
# rdiff-backup is free software; you can redistribute it and/or modify
# 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.
#
# rdiff-backup 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 rdiff-backup; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
"""list, delete, and otherwise manage increments"""
from __future__ import generators
from log import Log
import Globals, Time, static, statistics, restore, selection, FilenameMapping
class ManageException(Exception): pass
def get_file_type(rp):
"""Returns one of "regular", "directory", "missing", or "special"."""
if not rp.lstat(): return "missing"
elif rp.isdir(): return "directory"
elif rp.isreg(): return "regular"
else: return "special"
def get_inc_type(inc):
"""Return file type increment represents"""
assert inc.isincfile()
type = inc.getinctype()
if type == "dir": return "directory"
elif type == "diff": return "regular"
elif type == "missing": return "missing"
elif type == "snapshot": return get_file_type(inc)
else: assert None, "Unknown type %s" % (type,)
def describe_incs_parsable(incs, mirror_time, mirrorrp):
"""Return a string parsable by computer describing the increments
Each line is a time in seconds of the increment, and then the
type of the file. It will be sorted oldest to newest. For example:
10000 regular
20000 directory
30000 special
40000 missing
50000 regular <- last will be the current mirror
"""
incpairs = [(inc.getinctime(), inc) for inc in incs]
incpairs.sort()
result = ["%s %s" % (time, get_inc_type(inc)) for time, inc in incpairs]
result.append("%s %s" % (mirror_time, get_file_type(mirrorrp)))
return "\n".join(result)
def describe_incs_human(incs, mirror_time, mirrorrp):
"""Return a string describing all the the root increments"""
incpairs = [(inc.getinctime(), inc) for inc in incs]
incpairs.sort()
result = ["Found %d increments:" % len(incpairs)]
if Globals.chars_to_quote:
for time, inc in incpairs:
result.append(" %s %s" %
(FilenameMapping.unquote(inc.dirsplit()[1]),
Time.timetopretty(time)))
else:
for time, inc in incpairs:
result.append(" %s %s" %
(inc.dirsplit()[1], Time.timetopretty(time)))
result.append("Current mirror: %s" % Time.timetopretty(mirror_time))
return "\n".join(result)
def delete_earlier_than(baserp, time):
"""Deleting increments older than time in directory baserp
time is in seconds. It will then delete any empty directories
in the tree. To process the entire backup area, the
rdiff-backup-data directory should be the root of the tree.
"""
baserp.conn.manage.delete_earlier_than_local(baserp, time)
def delete_earlier_than_local(baserp, time):
"""Like delete_earlier_than, but run on local connection for speed"""
assert baserp.conn is Globals.local_connection
def yield_files(rp):
if rp.isdir():
for filename in rp.listdir():
for sub_rp in yield_files(rp.append(filename)):
yield sub_rp
yield rp
for rp in yield_files(baserp):
if ((rp.isincfile() and rp.getinctime() < time) or
(rp.isdir() and not rp.listdir())):
Log("Deleting increment file %s" % rp.path, 5)
rp.delete()
class IncObj:
"""Increment object - represent a completed increment"""
def __init__(self, incrp):
"""IncObj initializer
incrp is an RPath of a path like increments.TIMESTR.dir
standing for the root of the increment.
"""
if not incrp.isincfile():
raise ManageException("%s is not an inc file" % incrp.path)
self.incrp = incrp
self.time = incrp.getinctime()
def getbaserp(self):
"""Return rp of the incrp without extensions"""
return self.incrp.getincbase()
def pretty_time(self):
"""Return a formatted version of inc's time"""
return Time.timetopretty(self.time)
def full_description(self):
"""Return string describing increment"""
s = ["Increment file %s" % self.incrp.path,
"Date: %s" % self.pretty_time()]
return "\n".join(s)
def ListIncrementSizes(mirror_root, index):
"""Return string summarizing the size of all the increments"""
stat_obj = statistics.StatsObj() # used for byte summary string
def get_total(rp_iter):
"""Return the total size of everything in rp_iter"""
total = 0
for rp in rp_iter: total += rp.getsize()
return total
def get_time_dict(inc_iter):
"""Return dictionary pairing times to total size of incs"""
time_dict = {}
for inc in inc_iter:
if not inc.isincfile(): continue
t = inc.getinctime()
if not time_dict.has_key(t): time_dict[t] = 0
time_dict[t] += inc.getsize()
return time_dict
def get_mirror_select():
"""Return iterator of mirror rpaths"""
mirror_base = mirror_root.new_index(index)
mirror_select = selection.Select(mirror_base)
if not index: # must exclude rdiff-backup-directory
mirror_select.parse_rbdir_exclude()
return mirror_select.set_iter()
def get_inc_select():
"""Return iterator of increment rpaths"""
inc_base = Globals.rbdir.append_path('increments', index)
for base_inc in restore.get_inclist(inc_base): yield base_inc
if inc_base.isdir():
inc_select = selection.Select(inc_base).set_iter()
for inc in inc_select: yield inc
def get_summary_triples(mirror_total, time_dict):
"""Return list of triples (time, size, cumulative size)"""
triples = []
cur_mir_base = Globals.rbdir.append('current_mirror')
mirror_time = restore.get_inclist(cur_mir_base)[0].getinctime()
triples.append((mirror_time, mirror_total, mirror_total))
inc_times = time_dict.keys()
inc_times.sort()
inc_times.reverse()
cumulative_size = mirror_total
for inc_time in inc_times:
size = time_dict[inc_time]
cumulative_size += size
triples.append((inc_time, size, cumulative_size))
return triples
def triple_to_line(triple):
"""Convert triple to display string"""
time, size, cum_size = triple
return "%24s %13s %15s" % \
(Time.timetopretty(time),
stat_obj.get_byte_summary_string(size),
stat_obj.get_byte_summary_string(cum_size))
mirror_total = get_total(get_mirror_select())
time_dict = get_time_dict(get_inc_select())
triples = get_summary_triples(mirror_total, time_dict)
l = ['%12s %9s %15s %20s' % ('Time', '', 'Size', 'Cumulative size'),
'-' * 77,
triple_to_line(triples[0]) + ' (current mirror)']
for triple in triples[1:]: l.append(triple_to_line(triple))
return '\n'.join(l)
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