How to create a EC2 instance from snapshot in cloudformation?

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I'd like to specify the snapshot id which would be used to create a root device image for a EC2 instance created with cloudformation. How do I do that?

I could only find a way to make volume from a snapshot, but no way to use it in the instance.

2 Answers

I concur. This has nothing to do with cloudformation, but I just did this following a crippling 'do-release-upgrade'. It's just a matter of creating an image from the snapshot, and in my case making sure to change the virtualization type to "hardware assisted virtualization" (HVM). Then you can just launch the resulting image (AMI).

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