Comment 1 for bug 1669888

Reviewed: https://review.openstack.org/540092
Committed: https://git.openstack.org/cgit/openstack/swift/commit/?id=6994a2e392be4096beb49bd33e1a507dd04d491e
Submitter: Zuul
Branch: master

commit 6994a2e392be4096beb49bd33e1a507dd04d491e
Author: Samuel Merritt <email address hidden>
Date: Wed Jan 31 17:05:28 2018 -0800

    ratelimit: ignore requests with invalid API versions

    If you've got things like domain_remap, swift3, or other such
    middlewares in your pipeline, you wind up with requests that aren't of
    the form "/v1/<account>/<container>/<object>". When encountering such
    an oddball request, it's not useful to call get_account_info() on the
    second path component since it's probably not an account.

    This commit makes the ratelimit middleware skip requests that don't
    start with either "/v1" or "/v1.0". The requests will still be
    handled, but they won't be rate-limited.

    Change-Id: I9980cd0e902610ac99d13a502ae955bca2d99df3
    Closes-Bug: 1669888
    Closes-Bug: 1695273