def _create_backup(self, glance_client, bank_section, image_id):
try:
chunks_num = utils.backup_image_to_bank(
glance_client,
image_id, bank_section,
self._data_block_size_bytes
)
# Save the chunks_num to metadata
resource_definition = bank_section.get_object("metadata")
if resource_definition is not None:
resource_definition["chunks_num"] = chunks_num
bank_section.update_object("metadata", resource_definition)
# Update resource_definition backup_status
bank_section.update_object("status",
constants.RESOURCE_STATUS_AVAILABLE)
LOG.info('Protecting image (id: %s) to bank completed '
'successfully', image_id)
except Exception as err:
# update resource_definition backup_status
LOG.exception('Protecting image (id: %s) to bank failed.',
image_id)
bank_section.update_object("status",
constants.RESOURCE_STATUS_ERROR)
raise exception.CreateResourceFailed(
name="Image Backup",
reason=err,
resource_id=image_id,
resource_type=constants.IMAGE_RESOURCE_TYPE)
def _backup_temporary_image(self, glance_client, image_id, bank_section):
try:
chunks_num = utils.backup_image_to_bank(
glance_client,
image_id,
bank_section,
self._image_object_size
)
image_info = glance_client.images.get(image_id)
image_resource_definition = {
'chunks_num': chunks_num,
'image_metadata': {
'checksum': image_info.checksum,
'disk_format': image_info.disk_format,
"container_format": image_info.container_format
}
}
return image_resource_definition
except Exception as err:
LOG.exception('Protecting temporary image (id: %s) to bank '
'failed.', image_id)
raise exception.CreateResourceFailed(
name="Volume Glance Backup",
reason=err,
resource_id=image_id,
resource_type=constants.IMAGE_RESOURCE_TYPE)