def get_next_id(self):
        try:
            query = {'_id': 'last_id'}
            update = {'$inc': {'id': 1}}
            fn = self.db.internal.find_and_modify
            row = fn(query, update, upsert=True, new=True)
        except Exception as e:
            raise DatabaseException(e)
        return row['id']
def _wait_for_license_pool_state_to_activate(self, pool):
        error_values = ['EXPIRED', 'FAILED']
        # Wait no more than 5 minutes
        for x in range(1, 30):
            pool.refresh()
            if pool.state == 'LICENSED':
                return True
            elif pool.state == 'WAITING_FOR_EULA_ACCEPTANCE':
                pool.modify(
                    eulaText=pool.eulaText,
                    state='ACCEPTED_EULA'
                )
            elif pool.state in error_values:
                raise F5ModuleError(pool.errorText)
            time.sleep(10)