There are a few improvements that could be made to the AWS meta-data implementation. This would be a breaking change.
See #1251 for an example of how this was proposed on Rackspace.
@brianhartsock - thanks for opening this, definitely worth tracking/making note of this so that it doesn't get lost in the shuffle.
Closing as this hasn't been touched in a year. If this was closed in error or is still an issue, please re-open. Thanks!