GNU bug report logs - #45045
substitute fails if discovery is enabled

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Maxime Devos <maxime.devos <at> student.kuleuven.be>
Subject: bug#45045: closed (Re: bug#45045: substitute fails if discovery
 is enabled)
Date: Sat, 05 Dec 2020 10:22:02 +0000

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Your bug report

#45045: substitute fails if discovery is enabled

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 45045 <at> debbugs.gnu.org.

-- 
45045: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=45045
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Mathieu Othacehe <othacehe <at> gnu.org>
To: Maxime Devos <maxime.devos <at> student.kuleuven.be>
Cc: 45045-done <at> debbugs.gnu.org
Subject: Re: bug#45045: substitute fails if discovery is enabled
Date: Sat, 05 Dec 2020 11:21:34 +0100

Hello Maxime,

> Discovery of substitute servers on the local network doesn't seem to
> work properly, see output of
> `sudo guix system reconfigure config.scm --save-provenance`
> at end of e-mail. Disabling substitutes (e.g. `guix build hello --no-
> substitutes`) seems to work-around the issue. 

Thanks for the complete bug report. This is fixed with
c952a9312a94bb236495ec654bf184685cf9fe79. Note that you will need to run
"guix pull" before reconfiguring.

Mathieu

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From: Maxime Devos <maxime.devos <at> student.kuleuven.be>
To: bug-guix <at> gnu.org
Subject: substitute fails if discovery is enabled
Date: Fri, 04 Dec 2020 23:24:43 +0100

[Message part 4 (text/plain, inline)]

Hi,

Discovery of substitute servers on the local network doesn't seem to
work properly, see output of
`sudo guix system reconfigure config.scm --save-provenance`
at end of e-mail. Disabling substitutes (e.g. `guix build hello --no-
substitutes`) seems to work-around the issue. 

Some network details: there are no substitute servers on the local
network (except the local computer).

Greetings,
Maxime

--- Appendices

Guix version:
guix (GNU Guix) c2352335ca3ccbfee5b1581a832e38bc9a15c4f9

My service defintion:

 (services
  (append
   (list (service mate-desktop-service-type)
         (service cups-service-type 
                  (cups-configuration
                   (web-interface? #t)
                   (extensions
                    (list cups-filters escpr hplip-minimal brlaser))))
         (service zram-device-service-type
                  (zram-device-configuration))
         (service sane-service-type)
         (set-xorg-configuration
          (xorg-configuration
           (keyboard-layout keyboard-layout)))
         (bluetooth-service)
         (service tlp-service-type)
         (service guix-publish-service-type
                  (guix-publish-configuration
                   (port 8080)
                   (host "0.0.0.0")
                   (compression '(("lzip" 7))))))
   (modify-services %desktop-services
                    (network-manager-service-type c => (network-
manager-configuration
                                                        (vpn-plugins
(list network-manager-openconnect))))

                    (guix-service-type c => (guix-configuration
                                             (inherit c)
                                             (discover? #t))))))

Output of `sudo guix system reconfigure config.scm --save-provenance`:

substitute: In ice-9/boot-9.scm:
substitute:   1736:10 16 (with-exception-handler _ _ #:unwind? _ # _)
substitute: In unknown file:
substitute:           15 (apply-smob/0 #<thunk 7fa9732d3580>)
substitute: In ice-9/boot-9.scm:
substitute:     718:2 14 (call-with-prompt _ _ #<procedure default-
prompt-handle…>)
substitute: In ice-9/eval.scm:
substitute:     619:8 13 (_ #(#(#<directory (guile-user)
7fa972ef9f00>)))
substitute: In guix/ui.scm:
substitute:    2101:2 12 (run-guix-command substitute "--query")
substitute: In ice-9/boot-9.scm:
substitute:   1731:15 11 (with-exception-handler #<procedure
7fa970ea2cf0 at ic…> …)
substitute:   3297:17 10 (resolve-interface (guix scripts substitute)
#:select _ …)
substitute: In ice-9/threads.scm:
substitute:     390:8  9 (_ _)
substitute: In ice-9/boot-9.scm:
substitute:   3223:13  8 (_)
substitute: In ice-9/threads.scm:
substitute:     390:8  7 (_ _)
substitute: In ice-9/boot-9.scm:
substitute:   3507:20  6 (_)
substitute:    2806:4  5 (save-module-excursion _)
substitute:   3527:26  4 (_)
substitute: In unknown file:
substitute:            3 (primitive-load-path "guix/scripts/substitute"
#<proced…>)
substitute: In guix/scripts/substitute.scm:
substitute:   1107:33  2 (_)
substitute: In guix/scripts/discover.scm:
substitute:     98:26  1 (read-substitute-urls #:file _)
substitute: In unknown file:
substitute:            0 (open-file "/var/guix/discover/publish" "r0")
substitute: 
substitute: ERROR: In procedure open-file:
substitute: In procedure open-file: No such file or directory:
"/var/guix/discover/publish"
guix environment: error: `/gnu/store/qvsmk5hcx5fchl1whd0jzvrfvzbkky5d-
guix-1.2.0-3.35a32fe/bin/guix substitute' died unexpectedly

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