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How to disable instance termination after a failed health check by asg ?

0

my asg is taking health check from load-balancer but i need to disable the instance termination without affecting the running website to investigate the the issue of failed health .

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Gestion et gouvernance
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AWS Auto Scaling
Langue
English
vinay
demandé il y a un an529 vues
1 réponse
1

Hi Vinay,

For your purpose, you may want to use the lifecycle hook (activated by the ASG service when it prepares termination) corresponding to instance termination in the ASG: https://docs.aws.amazon.com/autoscaling/ec2/userguide/lifecycle-hooks.html#lifecycle-hooks-availability

And then, in this hook, you send detach commands to ASG service to remove this instance from the group: see https://docs.aws.amazon.com/autoscaling/ec2/userguide/detach-instance-asg.html

Best,

Didier

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Didier_Durand
répondu il y a un an
  • Shahad_C EXPERT
    il y a un an

    Detach can only be run on InService instances. It will fail on ones in Terminating:Wait

    But the hook would give time to notify a human to manually investigate or have a snapshot taken to be reviewed later

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