Simple, configuration-driven backup software for servers and workstations
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2.2 KiB

import logging
import os
from borgmatic.execute import DO_NOT_CAPTURE, execute_command
logger = logging.getLogger(__name__)
def export_tar_archive(
dry_run,
repository,
archive,
paths,
destination_path,
storage_config,
local_path='borg',
remote_path=None,
tar_filter=None,
files=False,
strip_components=None,
):
'''
Given a dry-run flag, a local or remote repository path, an archive name, zero or more paths to
export from the archive, a destination path to export to, a storage configuration dict, optional
local and remote Borg paths, an optional filter program, whether to include per-file details,
and an optional number of path components to strip, export the archive into the given
destination path as a tar-formatted file.
If the destination path is "-", then stream the output to stdout instead of to a file.
'''
umask = storage_config.get('umask', None)
lock_wait = storage_config.get('lock_wait', None)
full_command = (
(local_path, 'export-tar')
+ (('--remote-path', remote_path) if remote_path else ())
+ (('--umask', str(umask)) if umask else ())
+ (('--lock-wait', str(lock_wait)) if lock_wait else ())
+ (('--info',) if logger.getEffectiveLevel() == logging.INFO else ())
+ (('--list',) if files else ())
+ (('--debug', '--show-rc') if logger.isEnabledFor(logging.DEBUG) else ())
+ (('--dry-run',) if dry_run else ())
+ (('--tar-filter', tar_filter) if tar_filter else ())
+ (('--strip-components', str(strip_components)) if strip_components else ())
+ ('::'.join((repository if ':' in repository else os.path.abspath(repository), archive)),)
+ (destination_path,)
+ (tuple(paths) if paths else ())
)
if files and logger.getEffectiveLevel() == logging.WARNING:
output_log_level = logging.WARNING
else:
output_log_level = logging.INFO
if dry_run:
logging.info('{}: Skipping export to tar file (dry run)'.format(repository))
return
execute_command(
full_command,
output_file=DO_NOT_CAPTURE if destination_path == '-' else None,
output_log_level=output_log_level,
borg_local_path=local_path,
)