Sharing encrypted AMIs between AWS accounts (using Python and boto3)

Sharing encrypted AMIs between accountsEach Amazon Machine Image (AMI) holds information of the volumes and snapshots of those volumes that should be attached to instances created from that AMI. To protect the data on those snapshots, you can choose to encrypt them using KMS. Encrypting your data at rest is generally a good idea, though many companies choose to avoid encrypting their snapshots, because sharing such snapshots between different AWS accounts (for example, Test and Production accounts) can be difficult. That’s why I’m sharing details on how to make this as easy as possible (and automated!).

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