This change makes the Manager try creating a certificate again, after a previously unsuccessful attempt. The implementation is based on a timer, to prevent hitting an ACME CA with too high QPS when under a heavy load. The timer is hardcoded to 1 minute. Fixes golang/go#17740. Change-Id: I46a49201cf423be3360633a89209d7b2bccc1d76 Reviewed-on: https://go-review.googlesource.com/41694 Run-TryBot: Alex Vaghin <ddos@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>