Summary:
This can be used in integration tests/headless to create
some data to match against.
Ideally, headless also will need some mechanism to be
told to exit, but that's a separate issue.
Reviewed By: jknoxville
Differential Revision: D14387494
fbshipit-source-id: 88d7c27e342fb0b26251e6edf12e7b922d5144c0
69dd6e4fc1