/usr/lib/python3/dist-packages/backup2swift/command.py is in python3-backup2swift 0.8-1build1.
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"""
Copyright (C) 2013 Kouhei Maeda <mkouhei@palmtb.net>
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 argparse
import os
import os.path
import sys
from backup2swift import __version__, backup, utils, config
DEFAULT_CONF = '.bu2sw.conf'
def parse_options():
parser = argparse.ArgumentParser(description='usage')
setoption(parser, 'version')
setoption(parser, 'config')
setoption(parser, 'command')
setoption(parser, 'verbose')
args = parser.parse_args()
return args
def setoption(parser, keyword):
"""
Arguments:
parser: object of argparse
keyword: switching keyword
"""
if keyword == 'version':
parser.add_argument('-V', '--version', action='version',
version=__version__)
elif keyword == 'config':
parser.add_argument('-c', '--config', action='store',
help='configuraton file of backup2swift')
elif keyword == 'verbose':
parser.add_argument('-v', '--verbose', action='store_true',
help='list verbose')
parser.add_argument('-o', '--output', action='store',
help=('specify filename of retrieved data'
' (only retrieving simple object)'))
elif keyword == 'command':
parser.add_argument('-C', '--container', action='store',
help=('specify container name (default: '
'FQDN of host when executes this command)'))
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('-l', '--list', action='store_true',
help='listing object data')
group.add_argument('-p', '--path', action='store', nargs='+',
help='target files/dir path of backup')
group.add_argument('-s', '--stdin', action='store',
help='backup fromstdin pipe & specify object name')
group.add_argument('-d', '--delete', action='store', nargs='+',
help='delete backup data')
group.add_argument('-r', '--retrieve', action='store', nargs='+',
help='retrieve backup data')
parser.set_defaults(func=execute_swift_client)
def check_config_file(args_config):
"""
Argument:
args_config: args.config
"""
if args_config:
# override configuration file path
config_file = args_config
elif os.path.isfile(os.path.join(os.environ['HOME'], DEFAULT_CONF)):
# use default configuration file
config_file = os.path.join(os.environ['HOME'], DEFAULT_CONF)
else:
raise IOError(('Setup "~/.bu2sw.conf" or '
'specify configuration file with "-c" option'))
return config_file
def execute_swift_client(args):
"""
Argument:
args: argument object
"""
config_file = check_config_file(args.config)
(auth_url, username, password, rotate_limit,
verify, tenant_id) = config.check_config(config_file)
if args.container:
container_name = args.container
else:
container_name = utils.FQDN
b = backup.Backup(auth_url, username, password, rotate_limit,
verify=verify, tenant_id=tenant_id,
container_name=container_name)
if args.list:
# listing backup data
backup_l = b.retrieve_backup_data_list(args.verbose)
utils.list_data(backup_l)
elif args.path:
# backup data to swift
b.backup(args.path)
elif args.stdin:
# backup via stdin pipe
if sys.version_info > (3, 0):
# for python3
b.backup_file(args.stdin, data=sys.stdin.buffer.raw)
else:
# for python2
b.backup_file(args.stdin, data=sys.stdin)
elif args.retrieve:
# retrive backup data
b.retrieve_backup_data(args.retrieve, args.output)
elif args.delete:
# delete backup data
b.delete_backup_data(args.delete)
def main():
try:
args = parse_options()
args.func(args)
except (RuntimeError, IOError) as error:
# syslog.ERR is 3
utils.logging(3, error)
if __name__ == '__main__':
main()
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