118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
import logging
|
|
|
|
from borgmatic.borg import extract
|
|
from borgmatic.execute import execute_command
|
|
|
|
DEFAULT_CHECKS = ('repository', 'archives')
|
|
DEFAULT_PREFIX = '{hostname}-'
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def _parse_checks(consistency_config):
|
|
'''
|
|
Given a consistency config with a "checks" list, transform it to a tuple of named checks to run.
|
|
|
|
For example, given a retention config of:
|
|
|
|
{'checks': ['repository', 'archives']}
|
|
|
|
This will be returned as:
|
|
|
|
('repository', 'archives')
|
|
|
|
If no "checks" option is present, return the DEFAULT_CHECKS. If the checks value is the string
|
|
"disabled", return an empty tuple, meaning that no checks should be run.
|
|
'''
|
|
checks = consistency_config.get('checks', [])
|
|
if checks == ['disabled']:
|
|
return ()
|
|
|
|
return (
|
|
tuple(check for check in checks if check.lower() not in ('disabled', '')) or DEFAULT_CHECKS
|
|
)
|
|
|
|
|
|
def _make_check_flags(checks, check_last=None, prefix=None):
|
|
'''
|
|
Given a parsed sequence of checks, transform it into tuple of command-line flags.
|
|
|
|
For example, given parsed checks of:
|
|
|
|
('repository',)
|
|
|
|
This will be returned as:
|
|
|
|
('--repository-only',)
|
|
|
|
However, if both "repository" and "archives" are in checks, then omit them from the returned
|
|
flags because Borg does both checks by default.
|
|
|
|
Additionally, if a check_last value is given and "archives" is in checks, then include a
|
|
"--last" flag. And if a prefix value is given and "archives" is in checks, then include a
|
|
"--prefix" flag.
|
|
'''
|
|
if 'archives' in checks:
|
|
last_flags = ('--last', str(check_last)) if check_last else ()
|
|
prefix_flags = ('--prefix', prefix) if prefix else ('--prefix', DEFAULT_PREFIX)
|
|
else:
|
|
last_flags = ()
|
|
prefix_flags = ()
|
|
if check_last:
|
|
logger.warning(
|
|
'Ignoring check_last option, as "archives" is not in consistency checks.'
|
|
)
|
|
if prefix:
|
|
logger.warning(
|
|
'Ignoring consistency prefix option, as "archives" is not in consistency checks.'
|
|
)
|
|
|
|
if set(DEFAULT_CHECKS).issubset(set(checks)):
|
|
return last_flags + prefix_flags
|
|
|
|
return (
|
|
tuple('--{}-only'.format(check) for check in checks if check in DEFAULT_CHECKS)
|
|
+ last_flags
|
|
+ prefix_flags
|
|
)
|
|
|
|
|
|
def check_archives(
|
|
repository, storage_config, consistency_config, local_path='borg', remote_path=None
|
|
):
|
|
'''
|
|
Given a local or remote repository path, a storage config dict, a consistency config dict,
|
|
and a local/remote commands to run, check the contained Borg archives for consistency.
|
|
|
|
If there are no consistency checks to run, skip running them.
|
|
'''
|
|
checks = _parse_checks(consistency_config)
|
|
check_last = consistency_config.get('check_last', None)
|
|
lock_wait = None
|
|
|
|
if set(checks).intersection(set(DEFAULT_CHECKS)):
|
|
remote_path_flags = ('--remote-path', remote_path) if remote_path else ()
|
|
lock_wait = storage_config.get('lock_wait', None)
|
|
lock_wait_flags = ('--lock-wait', str(lock_wait)) if lock_wait else ()
|
|
|
|
verbosity_flags = ()
|
|
if logger.isEnabledFor(logging.INFO):
|
|
verbosity_flags = ('--info',)
|
|
if logger.isEnabledFor(logging.DEBUG):
|
|
verbosity_flags = ('--debug', '--show-rc')
|
|
|
|
prefix = consistency_config.get('prefix')
|
|
|
|
full_command = (
|
|
(local_path, 'check', repository)
|
|
+ _make_check_flags(checks, check_last, prefix)
|
|
+ remote_path_flags
|
|
+ lock_wait_flags
|
|
+ verbosity_flags
|
|
)
|
|
|
|
execute_command(full_command)
|
|
|
|
if 'extract' in checks:
|
|
extract.extract_last_archive_dry_run(repository, lock_wait, local_path, remote_path)
|