/usr/share/pyshared/duplicity/backends/rsyncbackend.py is in duplicity 0.6.18-0ubuntu3.
This file is owned by root:root, with mode 0o644.
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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 | # -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright 2002 Ben Escoto <ben@emerose.org>
# Copyright 2007 Kenneth Loafman <kenneth@loafman.com>
#
# This file is part of duplicity.
#
# Duplicity 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.
#
# Duplicity 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 duplicity; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os, re
import tempfile
import duplicity.backend
from duplicity.errors import * #@UnusedWildImport
from duplicity import globals, tempdir, util
class RsyncBackend(duplicity.backend.Backend):
"""Connect to remote store using rsync
rsync backend contributed by Sebastian Wilhelmi <seppi@seppi.de>
rsyncd auth, alternate port support
Copyright 2010 by Edgar Soldin <edgar.soldin@web.de>
"""
def __init__(self, parsed_url):
"""rsyncBackend initializer"""
duplicity.backend.Backend.__init__(self, parsed_url)
"""
rsyncd module url: rsync://[user:password@]host[:port]::[/]modname/path
Note: 3.0.7 is picky about syntax use either 'rsync://' or '::'
cmd: rsync [--port=port] host::modname/path
-or-
rsync via ssh/rsh url: rsync://user@host[:port]://some_absolute_path
-or- rsync://user@host[:port]:/some_relative_path
cmd: rsync -e 'ssh [-p=port]' [user@]host:[/]path
"""
host = parsed_url.hostname
port = ""
# RSYNC_RSH from calling shell might conflict with our settings
if 'RSYNC_RSH' in os.environ:
del os.environ['RSYNC_RSH']
if self.over_rsyncd():
# its a module path
(path, port) = self.get_rsync_path()
self.url_string = "%s::%s" % (host, path.lstrip('/:'))
if port:
port = " --port=%s" % port
else:
if parsed_url.path.startswith("//"):
# its an absolute path
self.url_string = "%s:/%s" % (host, parsed_url.path.lstrip('/'))
else:
# its a relative path
self.url_string = "%s:%s" % (host, parsed_url.path.lstrip('/'))
if parsed_url.port:
port = " -p %s" % parsed_url.port
# add trailing slash if missing
if self.url_string[-1] != '/':
self.url_string += '/'
# user?
if parsed_url.username:
if self.over_rsyncd():
os.environ['USER'] = parsed_url.username
else:
self.url_string = parsed_url.username + "@" + self.url_string
# password?, don't ask if none was given
self.use_getpass = False
password = self.get_password()
if password:
os.environ['RSYNC_PASSWORD'] = password
if self.over_rsyncd():
portOption = port
else:
portOption = " -e 'ssh -oBatchMode=yes%s'" % port
rsyncOptions = globals.rsync_options
if rsyncOptions:
rsyncOptions= " " + rsyncOptions
# build cmd
self.cmd = "rsync%s%s" % (portOption, rsyncOptions)
def over_rsyncd(self):
url = self.parsed_url.url_string
if re.search('::[^:]*$', url):
return True
else:
return False
def get_rsync_path(self):
url = self.parsed_url.url_string
m = re.search("(:\d+|)?::([^:]*)$", url)
if m:
return m.group(2), m.group(1).lstrip(':')
raise InvalidBackendURL("Could not determine rsync path: %s"
"" % self.munge_password( url ) )
def run_command(self, commandline):
result, stdout, stderr = self.subprocess_popen_persist(commandline)
return result, stdout
def put(self, source_path, remote_filename = None):
"""Use rsync to copy source_dir/filename to remote computer"""
if not remote_filename:
remote_filename = source_path.get_filename()
remote_path = os.path.join(self.url_string, remote_filename)
commandline = "%s %s %s" % (self.cmd, source_path.name, remote_path)
self.run_command(commandline)
def get(self, remote_filename, local_path):
"""Use rsync to get a remote file"""
remote_path = os.path.join (self.url_string, remote_filename)
commandline = "%s %s %s" % (self.cmd, remote_path, local_path.name)
self.run_command(commandline)
local_path.setdata()
if not local_path.exists():
raise BackendException("File %s not found" % local_path.name)
def list(self):
"""List files"""
def split (str):
line = str.split ()
if len (line) > 4 and line[4] != '.':
return line[4]
else:
return None
commandline = "%s %s" % (self.cmd, self.url_string)
result, stdout = self.run_command(commandline)
return filter(lambda x: x, map (split, stdout.split('\n')))
def delete(self, filename_list):
"""Delete files."""
delete_list = filename_list
dont_delete_list = []
for file in self.list ():
if file in delete_list:
delete_list.remove (file)
else:
dont_delete_list.append (file)
if len (delete_list) > 0:
raise BackendException("Files %s not found" % str (delete_list))
dir = tempfile.mkdtemp()
exclude, exclude_name = tempdir.default().mkstemp_file()
to_delete = [exclude_name]
for file in dont_delete_list:
path = os.path.join (dir, file)
to_delete.append (path)
f = open (path, 'w')
print >>exclude, file
f.close()
exclude.close()
commandline = ("%s --recursive --delete --exclude-from=%s %s/ %s" %
(self.cmd, exclude_name, dir, self.url_string))
self.run_command(commandline)
for file in to_delete:
util.ignore_missing(os.unlink, file)
os.rmdir (dir)
duplicity.backend.register_backend("rsync", RsyncBackend)
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