'Make the RPC call to reset a volume backup\'s status.
Call backup manager to execute backup status reset operation.
:param context: running context
:param backup_id: which backup\'s status to be reset
:param status: backup\'s status to be reset
:raises InvalidBackup:'

def reset_status(self, context, backup_id, status):

    backup = self.get(context, backup_id)
    backup.host = self._get_available_backup_service_host(backup.host, backup.availability_zone)
    backup.save()
    self.backup_rpcapi.reset_status(ctxt=context, backup=backup, status=status)
