/usr/share/pyshared/obnamlib/app.py is in obnam 0.24.1-1.
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 | # Copyright (C) 2009, 2011 Lars Wirzenius
#
# 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 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 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/>.
import cliapp
import logging
import os
import socket
import StringIO
import sys
import tracing
import ttystatus
import obnamlib
class App(cliapp.Application):
'''Main program for backup program.'''
def add_settings(self):
self.settings.string(['repository', 'r'], 'name of backup repository')
self.settings.string(['client-name'], 'name of client (%default)',
default=self.deduce_client_name())
self.settings.bytesize(['node-size'],
'size of B-tree nodes on disk '
'(default: %default)',
default=obnamlib.DEFAULT_NODE_SIZE)
self.settings.bytesize(['chunk-size'],
'size of chunks of file data backed up '
'(default: %default)',
default=obnamlib.DEFAULT_CHUNK_SIZE)
self.settings.bytesize(['upload-queue-size'],
'length of upload queue for B-tree nodes '
'(default: %default)',
default=obnamlib.DEFAULT_UPLOAD_QUEUE_SIZE)
self.settings.bytesize(['lru-size'],
'size of LRU cache for B-tree nodes '
'(default: %default)',
default=obnamlib.DEFAULT_LRU_SIZE)
self.settings.string_list(['trace'],
'add to filename patters for which trace '
'debugging logging happens')
self.settings.integer(['idpath-depth'],
'depth of chunk id mapping',
default=obnamlib.IDPATH_DEPTH)
self.settings.integer(['idpath-bits'],
'chunk id level size',
default=obnamlib.IDPATH_BITS)
self.settings.integer(['idpath-skip'],
'chunk id mapping lowest bits skip',
default=obnamlib.IDPATH_SKIP)
self.settings.boolean(['quiet'], 'be silent')
self.settings.boolean(['pretend', 'dry-run', 'no-act'],
'do not actually change anything (works with '
'forget and restore only)')
# The following needs to be done here, because it needs
# to be done before option processing. This is a bit ugly,
# but the best we can do with the current cliapp structure.
# Possibly cliapp will provide a better hook for us to use
# later on, but this is reality now.
self.setup_ttystatus()
self.pm = obnamlib.PluginManager()
self.pm.locations = [self.plugins_dir()]
self.pm.plugin_arguments = (self,)
self.setup_hooks()
self.fsf = obnamlib.VfsFactory()
self.pm.load_plugins()
self.pm.enable_plugins()
self.hooks.call('plugins-loaded')
def deduce_client_name(self):
return socket.gethostname()
def setup_hooks(self):
self.hooks = obnamlib.HookManager()
self.hooks.new('plugins-loaded')
self.hooks.new('config-loaded')
self.hooks.new('shutdown')
# The Repository class defines some hooks, but the class
# won't be instantiated until much after plugins are enabled,
# and since all hooks must be defined when plugins are enabled,
# we create one instance here, which will immediately be destroyed.
# FIXME: This is fugly.
obnamlib.Repository(None, 1000, 1000, 100, self.hooks, 10, 10, 10)
def plugins_dir(self):
return os.path.join(os.path.dirname(obnamlib.__file__), 'plugins')
def process_args(self, args):
if self.settings['quiet']:
self.ts.disable()
self.log_config()
for pattern in self.settings['trace']:
tracing.trace_add_pattern(pattern)
self.hooks.call('config-loaded')
logging.info('Obnam %s starts' % obnamlib.__version__)
cliapp.Application.process_args(self, args)
self.hooks.call('shutdown')
logging.info('Obnam ends')
def log_config(self):
'''Log current configuration into the log file.'''
f = StringIO.StringIO()
self.settings.dump_config(f)
logging.debug('Current configuration:\n%s' % f.getvalue())
def setup_ttystatus(self):
self.ts = ttystatus.TerminalStatus(period=0.25)
if self.settings['quiet']:
self.ts.disable()
def open_repository(self, create=False): # pragma: no cover
logging.debug('opening repository (create=%s)' % create)
repopath = self.settings['repository']
repofs = self.fsf.new(repopath, create=create)
repofs.connect()
return obnamlib.Repository(repofs,
self.settings['node-size'],
self.settings['upload-queue-size'],
self.settings['lru-size'],
self.hooks,
self.settings['idpath-depth'],
self.settings['idpath-bits'],
self.settings['idpath-skip'])
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