Automatically terminate Auto Scaling instances after a time period

user_2446374 0
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We use Amazon EC2 Auto Scaling groups for a bunch of apps - as everyone knows, while you try your hardest not to have memory leaks and other "been up for a while problems" - it's still possible.

We'd like to protect against such possibilities by just bouncing the servers - ie make sure an instance only lasts, say, 24 hours before killing it. However, we want the killing to be "safe" - eg - even if there's only one instance in the group, we want to start up another instance to a working state, then kill the old box.

Is there any support for this? eg a time-to-live property on an instance?

autoscaling amazon-web-services
2 Answers

Since 2019, there has been a Maximum Instance Lifetime parameter, that almost does what you wanted.

Unfortunately, though, it isn’t possible to set the maximum instance lifetime to 24 hours (86400 seconds): the minimum is a week.

Maximum instance lifetime must be equal to 0, between 604800 and 31536000 seconds (inclusive), or not specified.

user_4249910
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