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borg check --first / --last / --sort / --prefix, fixes #1663

This commit is contained in:
Thomas Waldmann 2016-10-18 03:57:42 +02:00
parent 64d128cf22
commit 4c884fd075
3 changed files with 25 additions and 25 deletions
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30
src/borg/archive.py
View File

@ -978,19 +978,19 @@ class ArchiveChecker:
self.error_found = False
self.possibly_superseded = set()
def check(self, repository, repair=False, archive=None, last=None, prefix=None, verify_data=False,
save_space=False):
def check(self, repository, repair=False, archive=None, first=0, last=0, sort_by='', prefix='',
verify_data=False, save_space=False):
"""Perform a set of checks on 'repository'
:param repair: enable repair mode, write updated or corrected data into repository
:param archive: only check this archive
:param last: only check this number of recent archives
:param first/last/sort_by: only check this number of first/last archives ordered by sort_by
:param prefix: only check archives with this prefix
:param verify_data: integrity verification of data referenced by archives
:param save_space: Repository.commit(save_space)
"""
logger.info('Starting archive consistency check...')
self.check_all = archive is None and last is None and prefix is None
self.check_all = archive is None and not any((first, last, prefix))
self.repair = repair
self.repository = repository
self.init_chunks()
@ -1003,7 +1003,7 @@ class ArchiveChecker:
self.manifest = self.rebuild_manifest()
else:
self.manifest, _ = Manifest.load(repository, key=self.key)
self.rebuild_refcounts(archive=archive, last=last, prefix=prefix)
self.rebuild_refcounts(archive=archive, first=first, last=last, sort_by=sort_by, prefix=prefix)
self.orphan_chunks_check()
self.finish(save_space=save_space)
if self.error_found:
@ -1160,7 +1160,7 @@ class ArchiveChecker:
logger.info('Manifest rebuild complete.')
return manifest
def rebuild_refcounts(self, archive=None, last=None, prefix=None):
def rebuild_refcounts(self, archive=None, first=0, last=0, sort_by='', prefix=''):
"""Rebuild object reference counts by walking the metadata
Missing and/or incorrect data is repaired when detected
@ -1294,12 +1294,11 @@ class ArchiveChecker:
i += 1
if archive is None:
# we need last N or all archives
archive_infos = self.manifest.archives.list(sort_by=['ts'], reverse=True)
if prefix is not None:
archive_infos = [info for info in archive_infos if info.name.startswith(prefix)]
num_archives = len(archive_infos)
end = None if last is None else min(num_archives, last)
sort_by = sort_by.split(',')
if any((first, last, prefix)):
archive_infos = self.manifest.archives.list(sort_by=sort_by, prefix=prefix, first=first, last=last)
else:
archive_infos = self.manifest.archives.list(sort_by=sort_by)
else:
# we only want one specific archive
info = self.manifest.archives.get(archive)
@ -1308,12 +1307,11 @@ class ArchiveChecker:
archive_infos = []
else:
archive_infos = [info]
num_archives = 1
end = 1
num_archives = len(archive_infos)
with cache_if_remote(self.repository) as repository:
for i, info in enumerate(archive_infos[:end]):
logger.info('Analyzing archive {} ({}/{})'.format(info.name, num_archives - i, num_archives))
for i, info in enumerate(archive_infos):
logger.info('Analyzing archive {} ({}/{})'.format(info.name, i + 1, num_archives))
archive_id = info.id
if archive_id not in self.chunks:
logger.error('Archive metadata block is missing!')

14
src/borg/archiver.py
View File

@ -206,16 +206,16 @@ class Archiver:
truish=('YES', ), retry=False,
env_var_override='BORG_CHECK_I_KNOW_WHAT_I_AM_DOING'):
return EXIT_ERROR
if args.repo_only and args.verify_data:
self.print_error("--repository-only and --verify-data contradict each other. Please select one.")
if args.repo_only and any((args.verify_data, args.first, args.last, args.prefix)):
self.print_error("--repository-only contradicts --first, --last, --prefix and --verify-data arguments.")
return EXIT_ERROR
if not args.archives_only:
if not repository.check(repair=args.repair, save_space=args.save_space):
return EXIT_WARNING
if not args.repo_only and not ArchiveChecker().check(
repository, repair=args.repair, archive=args.location.archive,
last=args.last, prefix=args.prefix, verify_data=args.verify_data,
save_space=args.save_space):
first=args.first, last=args.last, sort_by=args.sort_by or 'ts', prefix=args.prefix,
verify_data=args.verify_data, save_space=args.save_space):
return EXIT_WARNING
return EXIT_SUCCESS
@ -1660,14 +1660,10 @@ class Archiver:
subparser.add_argument('--save-space', dest='save_space', action='store_true',
default=False,
help='work slower, but using less space')
subparser.add_argument('--last', dest='last',
type=int, default=None, metavar='N',
help='only check last N archives (Default: all)')
subparser.add_argument('-P', '--prefix', dest='prefix', type=PrefixSpec,
help='only consider archive names starting with this prefix')
subparser.add_argument('-p', '--progress', dest='progress',
action='store_true', default=False,
help="""show progress display while checking""")
self.add_archives_filters_args(subparser)
change_passphrase_epilog = textwrap.dedent("""
The key files used for repository encryption are optionally passphrase

6
src/borg/testsuite/archiver.py
View File

@ -2014,6 +2014,12 @@ class ArchiverCheckTestCase(ArchiverTestCaseBase):
self.assert_in('Starting archive consistency check', output)
output = self.cmd('check', '-v', '--archives-only', '--prefix=archive2', self.repository_location, exit_code=0)
self.assert_not_in('archive1', output)
output = self.cmd('check', '-v', '--archives-only', '--first=1', self.repository_location, exit_code=0)
self.assert_in('archive1', output)
self.assert_not_in('archive2', output)
output = self.cmd('check', '-v', '--archives-only', '--last=1', self.repository_location, exit_code=0)
self.assert_not_in('archive1', output)
self.assert_in('archive2', output)
def test_missing_file_chunk(self):
archive, repository = self.open_archive('archive1')