从EC2实例中查找区域 [英] Find region from within an EC2 instance

问题描述

是否可以从实例中查找实例的区域？

Is there a way to look up the region of an instance from within the instance?

我正在寻找与找到实例ID 。

推荐答案

该URL（ http://169.254.169.254/latest/dynamic/instance-identity/document ）似乎不再起作用。尝试使用时会收到404。我有以下似乎可以运行的代码：

That URL (http://169.254.169.254/latest/dynamic/instance-identity/document) doesn't appear to work anymore. I get a 404 when I tried to use it. I have the following code which seems to work though:

EC2_AVAIL_ZONE=`curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone`
EC2_REGION="`echo \"$EC2_AVAIL_ZONE\" | sed 's/[a-z]$//'`"

希望这会有所帮助。

编辑：已改进 sed 根据评论

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