periodic_cleanup.py 文件源码

def cleanup_instances(self):
        """Cleanup Instances.

        Delete instances if they are in an error state or are over the
        age defined in INSTANCE_AGE_LIMIT.

        Instances that don't match PROTECTED_PREFIX are cleaned up
        """
        current_time = datetime.datetime.now(tzutc())
        max_age = datetime.timedelta(hours=self.age_limit)

        for server in self.unprotected_servers:
            created_time = dateutil.parser.parse(server.created_at)
            age = current_time - created_time
            errored = server.status == "ERROR"
            if errored or age > max_age:
                _indp("Deleting {name} Errored: {error} Age: {age}".format(
                    name=server.name, error=errored, age=age))
                self.conn.compute.delete_server(server.id)