I have the following setup using Bamboo OnDemand:
I start and stop the elastic instance created from my AMI in order to save costs on my Amazon bill. This works nicely, apart from the fact that old EBS volumes are not automatically removed.
Every week I now have a recurring manual task which requires me to log in to the Bamboo configuration panel, navigate to the disconnected instances and click the "Delete all" link at the right top side of the page to clean up those old EBS volumes.
If an elastic instance is terminated, I have no longer any need for the attached volume. Everything is contained within my AMI and I want to make sure I start from a fresh copy.
How can I automate this? I could not seem to find a setting which removes the old volume after the instance has been terminated. Should this be configured on the Amazon side, or on the Bamboo side?
I believe we have two reasons for this behaviour:
1 - Probably when an elastic instance is created, it get checked “DeleteOnTermination” is false. If so, it might be the reason. You can have more details checking this link: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/terminating-instances.html#preserving-volumes-on-termination
2 - If everything is fine, maybe you might facing a bug. In this case, I advice you to open a ticket with amazon.
However, a workaround you could do in the meantime to avoid manual work is create a script to automatise the EBS’ deletions. For it, you need to install AWS API. You can get details on this link: https://aws.amazon.com/developertools/351
On this link you will find all EBS’ commands: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-api-cli-overview.html
And this another one you will find some examples about to delete the EBS: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-deleting-volume.html
For more commands related to AWS CLI, please have a look on this link: http://aws.amazon.com/cli/
I hope it helps :).
From what I can gather, the shutdown behavior is set to "terminate", which I believe is correct. There's also no termination protection enabled. The instance itself is correctly terminated, and disappears from the instance list. It's just the volumes that stay. I will try to manually terminate the instance tonight, and see what happens. That should help determine on who's end the potential bug may be.
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