def complete_rsync(self, drive, db_file, args):
old_filename = os.path.join(self.root, drive, 'tmp', args[0])
if os.path.exists(db_file):
return HTTPNotFound()
if not os.path.exists(old_filename):
return HTTPNotFound()
broker = self.broker_class(old_filename)
broker.newid(args[0])
renamer(old_filename, db_file)
return HTTPNoContent()
def complete_rsync(self, drive, db_file, args):
old_filename = os.path.join(self.root, drive, 'tmp', args[0])
if os.path.exists(db_file):
return HTTPNotFound()
if not os.path.exists(old_filename):
return HTTPNotFound()
broker = self.broker_class(old_filename)
broker.newid(args[0])
renamer(old_filename, db_file)
return HTTPNoContent()
def rsync_then_merge(self, drive, db_file, args):
old_filename = os.path.join(self.root, drive, 'tmp', args[0])
if not os.path.exists(db_file) or not os.path.exists(old_filename):
return HTTPNotFound()
new_broker = self.broker_class(old_filename)
existing_broker = self.broker_class(db_file)
point = -1
objects = existing_broker.get_items_since(point, 1000)
while len(objects):
new_broker.merge_items(objects)
point = objects[-1]['ROWID']
objects = existing_broker.get_items_since(point, 1000)
sleep()
new_broker.newid(args[0])
renamer(old_filename, db_file)
return HTTPNoContent()
def rsync_then_merge(self, drive, db_file, args):
old_filename = os.path.join(self.root, drive, 'tmp', args[0])
if not os.path.exists(db_file) or not os.path.exists(old_filename):
return HTTPNotFound()
new_broker = self.broker_class(old_filename)
existing_broker = self.broker_class(db_file)
point = -1
objects = existing_broker.get_items_since(point, 1000)
while len(objects):
new_broker.merge_items(objects)
point = objects[-1]['ROWID']
objects = existing_broker.get_items_since(point, 1000)
sleep()
new_broker.newid(args[0])
renamer(old_filename, db_file)
return HTTPNoContent()
def process_object_update(self, update_path, device):
"""
Process the object information to be updated and update.
:param update_path: path to pickled object update file
:param device: path to device
"""
try:
update = pickle.load(open(update_path, 'rb'))
except Exception:
self.logger.exception(_('ERROR Pickle problem, quarantining %s'),
update_path)
renamer(
update_path,
os.path.join(device, 'quarantined', 'objects',
os.path.basename(update_path)))
return
successes = update.get('successes', [])
part, nodes = self.get_container_ring().get_nodes(
update['account'], update['container'])
obj = '/%s/%s/%s' % \
(update['account'], update['container'], update['obj'])
success = True
for node in nodes:
if node['id'] not in successes:
status = self.object_update(node, part, update['op'], obj,
update['headers'])
if not (200 <= status < 300) and status != 404:
success = False
else:
successes.append(node['id'])
if success:
self.successes += 1
self.logger.debug(_('Update sent for %(obj)s %(path)s'), {
'obj': obj,
'path': update_path
})
os.unlink(update_path)
else:
self.failures += 1
self.logger.debug(_('Update failed for %(obj)s %(path)s'), {
'obj': obj,
'path': update_path
})
update['successes'] = successes
write_pickle(update, update_path, os.path.join(device, 'tmp'))
def put(self, fd, tmppath, metadata, extension='.data'):
"""
Finalize writing the file on disk, and renames it from the temp file to
the real location. This should be called after the data has been
written to the temp file.
:params fd: file descriptor of the temp file
:param tmppath: path to the temporary file being used
:param metadata: dictionary of metadata to be written
:param extention: extension to be used when making the file
"""
metadata['name'] = self.name
timestamp = normalize_timestamp(metadata['X-Timestamp'])
write_metadata(fd, metadata)
if 'Content-Length' in metadata:
self.drop_cache(fd, 0, int(metadata['Content-Length']))
tpool.execute(os.fsync, fd)
invalidate_hash(os.path.dirname(self.datadir))
renamer(tmppath, os.path.join(self.datadir, timestamp + extension))
self.metadata = metadata
def quarantine_db(object_file, server_type):
"""
In the case that a corrupt file is found, move it to a quarantined area to
allow replication to fix it.
:param object_file: path to corrupt file
:param server_type: type of file that is corrupt
('container' or 'account')
"""
object_dir = os.path.dirname(object_file)
quarantine_dir = os.path.abspath(
os.path.join(object_dir, '..', '..', '..', '..', 'quarantined',
server_type + 's', os.path.basename(object_dir)))
try:
renamer(object_dir, quarantine_dir)
except OSError, e:
if e.errno not in (errno.EEXIST, errno.ENOTEMPTY):
raise
quarantine_dir = "%s-%s" % (quarantine_dir, uuid.uuid4().hex)
renamer(object_dir, quarantine_dir)
def quarantine_db(object_file, server_type):
"""
In the case that a corrupt file is found, move it to a quarantined area to
allow replication to fix it.
:param object_file: path to corrupt file
:param server_type: type of file that is corrupt
('container' or 'account')
"""
object_dir = os.path.dirname(object_file)
quarantine_dir = os.path.abspath(os.path.join(object_dir, '..',
'..', '..', '..', 'quarantined', server_type + 's',
os.path.basename(object_dir)))
try:
renamer(object_dir, quarantine_dir)
except OSError, e:
if e.errno not in (errno.EEXIST, errno.ENOTEMPTY):
raise
quarantine_dir = "%s-%s" % (quarantine_dir, uuid.uuid4().hex)
renamer(object_dir, quarantine_dir)
def put(self, fd, tmppath, metadata, extension='.data'):
"""
Finalize writing the file on disk, and renames it from the temp file to
the real location. This should be called after the data has been
written to the temp file.
:params fd: file descriptor of the temp file
:param tmppath: path to the temporary file being used
:param metadata: dictionary of metadata to be written
:param extention: extension to be used when making the file
"""
metadata['name'] = self.name
timestamp = normalize_timestamp(metadata['X-Timestamp'])
write_metadata(fd, metadata)
if 'Content-Length' in metadata:
self.drop_cache(fd, 0, int(metadata['Content-Length']))
tpool.execute(os.fsync, fd)
invalidate_hash(os.path.dirname(self.datadir))
renamer(tmppath, os.path.join(self.datadir, timestamp + extension))
self.metadata = metadata
def process_object_update(self, update_path, device):
"""
Process the object information to be updated and update.
:param update_path: path to pickled object update file
:param device: path to device
"""
try:
update = pickle.load(open(update_path, 'rb'))
except Exception:
self.logger.exception(
_('ERROR Pickle problem, quarantining %s'), update_path)
renamer(update_path, os.path.join(device,
'quarantined', 'objects', os.path.basename(update_path)))
return
successes = update.get('successes', [])
part, nodes = self.get_container_ring().get_nodes(
update['account'], update['container'])
obj = '/%s/%s/%s' % \
(update['account'], update['container'], update['obj'])
success = True
for node in nodes:
if node['id'] not in successes:
status = self.object_update(node, part, update['op'], obj,
update['headers'])
if not (200 <= status < 300) and status != 404:
success = False
else:
successes.append(node['id'])
if success:
self.successes += 1
self.logger.debug(_('Update sent for %(obj)s %(path)s'),
{'obj': obj, 'path': update_path})
os.unlink(update_path)
else:
self.failures += 1
self.logger.debug(_('Update failed for %(obj)s %(path)s'),
{'obj': obj, 'path': update_path})
update['successes'] = successes
write_pickle(update, update_path, os.path.join(device, 'tmp'))
def quarantine_renamer(device_path, corrupted_file_path):
"""
In the case that a file is corrupted, move it to a quarantined
area to allow replication to fix it.
:params device_path: The path to the device the corrupted file is on.
:params corrupted_file_path: The path to the file you want quarantined.
:returns: path (str) of directory the file was moved to
:raises OSError: re-raises non errno.EEXIST / errno.ENOTEMPTY
exceptions from rename
"""
from_dir = dirname(corrupted_file_path)
to_dir = join(device_path, 'quarantined', 'objects', basename(from_dir))
invalidate_hash(dirname(from_dir))
try:
renamer(from_dir, to_dir)
except OSError, e:
if e.errno not in (errno.EEXIST, errno.ENOTEMPTY):
raise
to_dir = "%s-%s" % (to_dir, uuid.uuid4().hex)
renamer(from_dir, to_dir)
def quarantine_renamer(device_path, corrupted_file_path):
"""
In the case that a file is corrupted, move it to a quarantined
area to allow replication to fix it.
:params device_path: The path to the device the corrupted file is on.
:params corrupted_file_path: The path to the file you want quarantined.
:returns: path (str) of directory the file was moved to
:raises OSError: re-raises non errno.EEXIST / errno.ENOTEMPTY
exceptions from rename
"""
from_dir = dirname(corrupted_file_path)
to_dir = join(device_path, 'quarantined', 'objects', basename(from_dir))
invalidate_hash(dirname(from_dir))
try:
renamer(from_dir, to_dir)
except OSError, e:
if e.errno not in (errno.EEXIST, errno.ENOTEMPTY):
raise
to_dir = "%s-%s" % (to_dir, uuid.uuid4().hex)
renamer(from_dir, to_dir)