def POST(self, request):
"""Handle HTTP POST requests for the Swift on File object server"""
device, partition, account, container, obj, policy = \
get_name_and_placement(request, 5, 5, True)
req_timestamp = valid_timestamp(request)
new_delete_at = int(request.headers.get('X-Delete-At') or 0)
if new_delete_at and new_delete_at < time.time():
return HTTPBadRequest(body='X-Delete-At in past', request=request,
content_type='text/plain')
# Get DiskFile
try:
disk_file = self.get_diskfile(device, partition, account,
container, obj, policy)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
# Set Purgelock status if we got it
purgelock = request.headers.get('X-HPSS-Purgelock-Status')
if purgelock:
try:
hpssfs.ioctl(disk_file._fd, hpssfs.HPSSFS_PURGE_LOCK,
int(purgelock))
except IOError as err:
raise SwiftOnFileSystemIOError(
err.errno,
'%s, xattr.getxattr("%s", ...)' %
(err.strerror, disk_file._fd))
# Set class of service if we got it
cos = request.headers.get('X-HPSS-Class-Of-Service-ID')
if cos:
try:
xattr.setxattr(disk_file._fd, 'system.hpss.cos', int(cos))
except IOError as err:
raise SwiftOnFileSystemIOError(
err.errno,
'%s, xattr.setxattr("%s", ...)' %
(err.strerror, disk_file._fd))
# Update metadata from request
try:
orig_metadata = disk_file.read_metadata()
except (DiskFileNotExist, DiskFileQuarantined):
return HTTPNotFound(request=request)
orig_timestamp = Timestamp(orig_metadata.get('X-Timestamp', 0))
if orig_timestamp >= req_timestamp:
return HTTPConflict(request=request,
headers={
'X-Backend-Timestamp': orig_timestamp.internal
})
metadata = {'X-Timestamp': req_timestamp.internal}
metadata.update(val for val in request.headers.iteritems()
if is_user_meta('object', val[0]))
for header_key in self.allowed_headers:
if header_key in request.headers:
header_caps = header_key.title()
metadata[header_caps] = request.headers[header_key]
orig_delete_at = int(orig_metadata.get('X-Delete-At') or 0)
if orig_delete_at != new_delete_at:
if new_delete_at:
self.delete_at_update('PUT', new_delete_at, account,
container, obj, request, device, policy)
if orig_delete_at:
self.delete_at_update('DELETE', orig_delete_at, account,
container, obj, request, device, policy)
disk_file.write_metadata(metadata)
return HTTPAccepted(request=request)
