Simple, configuration-driven backup software for servers and workstations
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import logging
import subprocess
from borgmatic.execute import DO_NOT_CAPTURE, execute_command
logger = logging.getLogger(__name__)
INFO_REPOSITORY_NOT_FOUND_EXIT_CODE = 2
def initialize_repository(
repository,
storage_config,
encryption_mode,
append_only=None,
storage_quota=None,
local_path='borg',
remote_path=None,
):
'''
Given a local or remote repository path, a storage configuration dict, a Borg encryption mode,
whether the repository should be append-only, and the storage quota to use, initialize the
repository. If the repository already exists, then log and skip initialization.
'''
info_command = (
(local_path, 'info')
+ (('--info',) if logger.getEffectiveLevel() == logging.INFO else ())
+ (('--debug',) if logger.isEnabledFor(logging.DEBUG) else ())
+ (('--remote-path', remote_path) if remote_path else ())
+ (repository,)
)
logger.debug(' '.join(info_command))
try:
execute_command(info_command, output_log_level=None)
logger.info('Repository already exists. Skipping initialization.')
return
except subprocess.CalledProcessError as error:
if error.returncode != INFO_REPOSITORY_NOT_FOUND_EXIT_CODE:
raise
extra_borg_options = storage_config.get('extra_borg_options', {}).get('init', '')
init_command = (
(local_path, 'init')
+ (('--encryption', encryption_mode) if encryption_mode else ())
+ (('--append-only',) if append_only else ())
+ (('--storage-quota', storage_quota) if storage_quota else ())
+ (('--info',) if logger.getEffectiveLevel() == logging.INFO else ())
+ (('--debug',) if logger.isEnabledFor(logging.DEBUG) else ())
+ (('--remote-path', remote_path) if remote_path else ())
+ (tuple(extra_borg_options.split(' ')) if extra_borg_options else ())
+ (repository,)
)
# Do not capture output here, so as to support interactive prompts.
execute_command(init_command, output_file=DO_NOT_CAPTURE, borg_local_path=local_path)