def update_metadata(self, metadata):
assert self.metadata, "Valid container/account metadata should have been created by now"
if metadata:
new_metadata = self.metadata.copy()
if metadata.has_key('X-Account-Meta-Bytes-Add'):
content_length = metadata.get('X-Account-Meta-Bytes-Add')[0]
bused, timestamp = new_metadata[X_BYTES_USED]
new_metadata[X_BYTES_USED] = (int(str(bused)) + int(content_length), timestamp)
elif metadata.has_key('X-Account-Meta-Bytes-Del'):
content_length = metadata.get('X-Account-Meta-Bytes-Del')[0]
bused, timestamp = new_metadata[X_BYTES_USED]
new_metadata[X_BYTES_USED] = (int(str(bused)) - int(content_length), timestamp)
else:
new_metadata.update(metadata)
del_keys = ['X-Account-Meta-Bytes-Del','X-Account-Meta-Bytes-Add']
for dkey in del_keys:
if new_metadata.has_key(dkey):
new_metadata.pop(dkey)
if new_metadata != self.metadata:
write_metadata(self.datadir, new_metadata)
self.metadata = new_metadata
def update_container_count(self):
if not self.container_info:
self.container_info = get_account_details(self.datadir)
containers, container_count = self.container_info
if X_CONTAINER_COUNT not in self.metadata \
or int(self.metadata[X_CONTAINER_COUNT][0]) != container_count:
self.metadata[X_CONTAINER_COUNT] = (container_count, 0)
write_metadata(self.datadir, self.metadata)
def put(self, metadata):
"""
Create and write metatdata to directory/container.
:param metadata: Metadata to write.
"""
if not self.dir_exists:
mkdirs(self.datadir)
os.chown(self.datadir, self.uid, self.gid)
write_metadata(self.datadir, metadata)
self.metadata = metadata
self.dir_exists = True
def update_object_count(self):
if not self.object_info:
self.object_info = get_container_details(self.datadir)
objects, object_count, bytes_used = self.object_info
if X_OBJECTS_COUNT not in self.metadata \
or int(self.metadata[X_OBJECTS_COUNT][0]) != object_count \
or X_BYTES_USED not in self.metadata \
or int(self.metadata[X_BYTES_USED][0]) != bytes_used:
self.metadata[X_OBJECTS_COUNT] = (object_count, 0)
self.metadata[X_BYTES_USED] = (bytes_used, 0)
write_metadata(self.datadir, self.metadata)
def put(self, fd, tmppath, metadata,extension=''):
if extension == '.ts':
# TombStone marker (deleted)
return True
metadata[X_TYPE] = OBJECT
if extension == '.meta':
# Metadata recorded separately from the file
self.put_metadata(metadata)
return True
# Check if directory already exists.
if self.is_dir:
self.logger.error('Directory already exists %s/%s' % \
(self.datadir , self.obj))
return False
write_metadata(tmppath, metadata)
if X_CONTENT_LENGTH in metadata:
self.drop_cache(fd, 0, int(metadata[X_CONTENT_LENGTH]))
tpool.execute(os.fsync, fd)
if self.obj_path:
dir_objs = self.obj_path.split('/')
tmp_path = ''
if len(dir_objs):
for dir_name in dir_objs:
if tmp_path:
tmp_path = tmp_path + '/' + dir_name
else:
tmp_path = dir_name
if not self.create_dir_object(os.path.join(self.container_path,
tmp_path)):
self.logger.error("Failed in subdir %s",\
os.path.join(self.container_path,tmp_path))
return False
renamer(tmppath, os.path.join(self.datadir,
self.obj))
do_chown(os.path.join(self.datadir, self.obj), self.uid, self.gid)
self.metadata = metadata
return True
def put_metadata(self, metadata):
"""
Write metadata to directory/container.
"""
write_metadata(self.datadir, metadata)
self.metadata = metadata
def update_object(self, metadata):
obj_path = self.datadir + '/' + self.obj
write_metadata(obj_path, metadata)
self.metadata = metadata
def put_metadata(self, metadata):
obj_path = self.datadir + '/' + self.obj
write_metadata(obj_path, metadata)
self.metadata = metadata
