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Support AWS IMDSv2 #306
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enhancement
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IMDSv2 (instance metadata service) is a new, more secure mechanism to get instance metadata from an EC2 instance: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-metadata-v2-how-it-works.html. Unlike IMDSv1 which is just an endpoint that returns metadata from a GET request, v2 is a session-based protocol that requires creating a token, then using it to read the metadata.
Rusoto does not support v2 (rusoto/rusoto#1818) and is unlikely to, given that it is in maintenance mode.
A couple of possible options:
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