alestic/ec2-consistent-snapshot — pull request #3 by metcalfc (2012-10-10 19:25:21+00:00)
Title: Add support for IAM roles

IAM roles make available additional instance metadata which includes a
temporary access_key, secret_key, and token. These rotate every few
minutes and can be used for API requests. This change allievates the
need to store keys locally and manage those keys across hosts.

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My perl is rusty if there is some other way to achieve this in a better/lighter
fashion I'm happy to rework it.