在自动缩放组博托List实例 [英] List instances in auto scaling group with boto

问题描述

我要列出当前在一个自动缩放组运行的所有实例。可以在完成与博托？

I want to list all instances that are currently running within a auto scaling group. Can that be accomplished with boto?

必须有阿布沙耶夫集团和实例之间的一些关系，因为博托具有在 shutdown_instances 方法 boto.ec2.autoscale.group.AutoScalingGroup 类。

There must be some relation between the ASG and the instances as boto has the shutdown_instances method within the boto.ec2.autoscale.group.AutoScalingGroup class.

任何指针朝着正确的方向是高度AP preciated！

Any pointers in the right direction is highly appreciated!

推荐答案

这样的事情应该工作：

>>> import boto
>>> autoscale = boto.connect_autoscale()
>>> ec2 = boto.connect_ec2()
>>> group = autoscale.get_all_groups(['mygroupname'])[0]
>>> instance_ids = [i.instance_id for i in group.instances]
>>> reservations = ec2.get_all_instances(instance_ids)
>>> instances = [i for r in reservations for i in r.instances]

我们要收集实例ID的，然后调用EC2的原因是，自动定标只存储了有关情况的信息的一小部分。这将导致变量实例指向实例对象在自动缩放基mygroupname的每个实例的列表。

The reason we have to collect the Instance ID's and then call EC2 is that AutoScale only stores a small subset of information about the instances. This would result in the variable instances pointing to a list of Instance objects for each instance in the autoscaling group "mygroupname".

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