bug#48468: substitute server connection timeout

[Mathieu Othacehe]

Hey Ludo,

> That’s still below the 100 MiB cache bypass threshold of the main ‘guix
> publish’ instance though.

Right. Just to be on the safe side here, what about applying this patch
to have log lines when we are replying 404 due to baking?

Thanks,

Mathieu

>From 725d5ba21a0fc0108b60c37bbc8d947fab6ac938 Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <othacehe@gnu.org>
Date: Tue, 27 Dec 2022 10:49:04 +0100
Subject: [PATCH 1/1] scripts: publish: Add a log when replying 404 due to
 baking.

* guix/scripts/publish.scm (render-narinfo/cached): Add it.
---
 guix/scripts/publish.scm | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/guix/scripts/publish.scm b/guix/scripts/publish.scm
index 3bf3bd9c7c..a2048c98fd 100644
--- a/guix/scripts/publish.scm
+++ b/guix/scripts/publish.scm
@@ -586,9 +586,13 @@ (define (delete-entry narinfo)
                                #:ttl 300          ;temporary
                                #:nar-path nar-path
                                #:compressions compressions)
-               (not-found request
-                          #:phrase "We're baking it"
-                          #:ttl 300)))          ;should be available within 5m
+               (begin
+                 (format #t (G_ "~a ~a: 404 (baking)~%")
+                         (request-method request)
+                         (uri-path (request-uri request)))
+                 (not-found request
+                            #:phrase "We're baking it"
+                            #:ttl 300))))      ;should be available within 5m
           (else
            (not-found request #:phrase "" #:ttl negative-ttl)))))
 
-- 
2.38.1