Update October 2020
AWS has finally added a feature to solve our problem, now all that’s missing is CloudFormation support :-)
Amazon S3 Object Ownership is available to enable bucket owners to automatically assume ownership of objects uploaded to their buckets
In the process of building a data lake in a multi-account environment, we encountered a problem that didn’t fit into our existing mental model of how S3 and S3 cross account permissions work.
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