puppetlabs/facter — pull request #644 by arkadijs (2014-02-20 12:33:20+00:00)
Title: (#7559) Use /sys/hypervisor/version/extra to distinguish AWS VM in VPC

While Facter Next is cooking in master branch, I propose this simple fix to distinguish EC2 VM running in VPC. Not future/bullet-proof and only covers Linux, but at least it's on par with current logic.