def add_sub_parser(cls, sub_parsers):
"""
"""
sub_parser = super(ListSubCommand, cls).add_sub_parser(sub_parsers)
sub_parser.add_argument(
'--all',
action='store_true',
dest='list_all',
default=False,
help="List all backups that match the criteria. Otherwise only "
"the most recent backup for the specified day is listed.")
sub_parser.add_argument('--day',
default=dt_util.to_iso(dt_util.now_local()),
help="Day to return list the backups from.")
sub_parser.add_argument("keyspace",
help="Keyspace to list backups from.")
sub_parser.add_argument(
'--host',
default=socket.getfqdn(),
help="Host to list backups from. Defaults to the current host.")
return sub_parser
def __call__(self):
"""Implements the command."""
endpoint = self._endpoint(self.args)
# Work out which days we want to keep
# the exact cut off time for backups to keep
purge_before = self._calc_purge_before()
# list of full or partial days to keep
manifest_days = self._manifest_days(purge_before)
self.log.info("To purge backups older then %s will read "
" manifests from %s", purge_before, manifest_days)
# Read the manifests we want to keep.
self.log.debug("Reading manifests after %s to keep.", purge_before)
manifests = []
for manifest_day in manifest_days:
for manifest in self._list_manifests(endpoint, self.args.keyspace,
self.args.host, manifest_day):
if manifest.timestamp >= purge_before:
manifests.append(manifest)
else:
self.log.debug("Will not keep manifest %s", manifest)
self.log.info("Keeping backups %s", manifests)
# Build a list of the files we want to keep.
# We purge everything else so that a failed purge can be fixed.
keep_components = []
for manifest in manifests:
keep_components.extend(manifest.iter_components())
self.log.info("Keeping sstable files: %s", keep_components)
# Step 4 - Purge the manifests
deleted_files = self._purge_manifests(endpoint, manifests)
# Step 5 - Purge the files that are not referenced from a manifest.
deleted_files.extend(self._purge_sstables(endpoint, keep_components))
str_build = [
"Purge backups before {purge_before}".format(
purge_before=dt_util.to_iso(purge_before))
]
if self.args.dry_run:
str_build.append("DRY RUN: no files deleted, candidate files:")
else:
str_build.append("Deleted files:")
str_build.append("")
if deleted_files:
str_build.extend(deleted_files)
else:
str_build.append("No files")
return (0, "\n".join(str_build))
def __call__(self):
"""Implements the command."""
endpoint = self._endpoint(self.args)
# Work out which days we want to keep
# the exact cut off time for backups to keep
purge_before = self._calc_purge_before()
# list of full or partial days to keep
manifest_days = self._manifest_days(purge_before)
self.log.info("To purge backups older then %s will read "\
" manifests from %s", purge_before, manifest_days)
# Read the manifests we want to keep.
self.log.debug("Reading manifests after %s to keep.", purge_before)
manifests = []
for manifest_day in manifest_days:
for manifest in self._list_manifests(endpoint,
self.args.keyspace, self.args.host, manifest_day):
if manifest.timestamp >= purge_before:
manifests.append(manifest)
else:
self.log.debug("Will not keep manifest %s", manifest)
self.log.info("Keeping backups %s", manifests)
# Build a list of the files we want to keep.
# We purge everything else so that a failed purge can be fixed.
keep_components = []
for manifest in manifests:
keep_components.extend(manifest.iter_components())
self.log.info("Keeping sstable files: %s", keep_components)
# Step 4 - Purge the manifests
deleted_files = self._purge_manifests(endpoint, manifests)
# Step 5 - Purge the files that are not referenced from a manifest.
deleted_files.extend(self._purge_sstables(endpoint, keep_components))
str_build = ["Purge backups before {purge_before}".format(
purge_before=dt_util.to_iso(purge_before))
]
if self.args.dry_run:
str_build.append("DRY RUN: no files deleted, candidate files:")
else:
str_build.append("Deleted files:")
str_build.append("")
if deleted_files:
str_build.extend(deleted_files)
else:
str_build.append("No files")
return (0, "\n".join(str_build))
def add_sub_parser(cls, sub_parsers):
"""
"""
sub_parser = super(ListSubCommand, cls).add_sub_parser(sub_parsers)
sub_parser.add_argument('--all',
action='store_true', dest='list_all', default=False,
help="List all backups that match the criteria. Otherwise only "\
"the most recent backup for the specified day is listed.")
sub_parser.add_argument('--day',
default=dt_util.to_iso(dt_util.now_local()),
help="Day to return list the backups from.")
sub_parser.add_argument("keyspace",
help="Keyspace to list backups from.")
sub_parser.add_argument('--host',
default=socket.getfqdn(),
help="Host to list backups from. Defaults to the current host.")
return sub_parser
