The change should reduce resource quota consumed by the client overall.
Instead of sending HEAD to an ACME resource URL to get a new nonce,
the Client will now try to fetch it from the Directory URL first
and only then from the ACME resource URL if the former fails.
This builds up on an abandoned https://golang.org/cl/34623,
only this time with a fallback to the original behaviour.
Change-Id: I6e75c0e524c4bc751f3a651b290c0ac2493e0628
Reviewed-on: https://go-review.googlesource.com/c/162057
Run-TryBot: Alex Vaghin <ddos@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
The retry logic returns an "acme: no more retries for ..." error
in some cases, while *Error type in others.
This change makes retries always return the last error as received
from the CA server, if available. No change in returned values
of successful requests.
Change-Id: I3df2cb332a3e2739bba457c0ee50d7ca5bd836d9
Reviewed-on: https://go-review.googlesource.com/119975
Reviewed-by: Maciej Dębski <maciejd@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Alex Vaghin <ddos@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
There's been some confusion about failed request retries.
Rightfully so: some requests are retried, others are not.
This change attempts to clarify the issue and unify backoff
usage in all Client's methods by introducing a new exported
optional field RetryBackoff and adding retry logic where missing.
Also, updates golang/go#22457.
Change-Id: Ied434edf998d52925a48b6b3b2407d45a6e9d2ee
Reviewed-on: https://go-review.googlesource.com/109615
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>