Currently when the registry ping is sent, it creates the request directly from http.NewRequest instead of from the http request factory. The request factory adds useful header information such as user agent which is needed by the registry.
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Upstream-commit: 55f0ca94e57fc8ec26a79061d04ddd3aeaecb94b
Component: engine