def ctl_synchronize(self, image_name, start_index=0, end_index=-1,
verbose=False):
metadata = None
if image_name in self._metadata_dict:
# the image is in use on this node.
metadata = self._metadata_dict[image_name]
data = self._data_dict[image_name]
else:
# XXX need to check if no one is using this image.
metadata_raw = self._get_metadata(image_name)
if metadata_raw is None:
return errno.ENOENT
metadata = UKAIMetadata(image_name, self._config, metadata_raw)
data = UKAIData(metadata, self._node_error_state_set, self._config)
if end_index == -1:
end_index = (metadata.size / metadata.block_size) - 1
for block_index in range(start_index, end_index + 1):
if verbose is True:
print 'Syncing block %d (from %d to %d)' % (block_index,
start_index,
end_index)
if data.synchronize_block(block_index) is True:
metadata.flush()
return 0
