GNU bug report logs - #44099
[PATCH] gnu: Add gmnisrv.

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Message #13 received at 44099-done <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Alexandru-Sergiu Marton <brown121407 <at> posteo.ro>
Cc: 44099-done <at> debbugs.gnu.org
Subject: Re: [bug#44099] [PATCH] gnu: Add gmnisrv.
Date: Tue, 27 Oct 2020 17:36:02 +0100

Hi,

Alexandru-Sergiu Marton <brown121407 <at> posteo.ro> skribis:

> * gnu/packages/web.scm (gmnisrv): New variable.

[...]

> +      (synopsis "Simple Gemini protocol server")
> +      (description "gmnisrv is a simple Gemini protocol server written in C.")
> +      (license (list license:gpl3

It’s ‘gpl3+’ since there’s nothing saying “version 3 only”.

> * gnu/services/web.scm (<gmnisrv-configuration>): New record type.
> (%default-gmnisrv-config-file): New variable.
> (%gmnisrv-accounts, %gmnisrv-activation): New variables.
> (gmnisrv-shepherd-service): New procedure.
> (gmnisrv-service-type): New variable.
> * doc/guix.texi (Web Services): Document it.

Nice, applied!

> +(define %default-gmnisrv-config-file
> +  (plain-file "gmnisrv.ini" "
> +listen=0.0.0.0:1965 [::]:1965
> +
> +[:tls]
> +store=/var/lib/gemini/certs
> +
> +organization=gmnisrv on Guix user
> +
> +[localhost]
> +root=/srv/gemini
> +"))
> +
> +(define-record-type* <gmnisrv-configuration>
> +  gmnisrv-configuration make-gmnisrv-configuration
> +  gmnisrv-configuration?
> +  (package     gmnisrv-configuration-package
> +               (default gmnisrv))
> +  (config-file gmnisrv-configuration-config-file
> +               (default %default-gmnisrv-config-file)))
> +
> +(define gmnisrv-shepherd-service
> +  (match-lambda
> +    (($ <gmnisrv-configuration> package config-file)
> +     (list (shepherd-service
> +            (provision '(gmnisrv))
> +            (requirement '(networking))
> +            (documentation "Run the gmnisrv Gemini server.")
> +            (start (let ((gmnisrv (file-append package "/bin/gmnisrv")))
> +                     #~(make-forkexec-constructor
> +                        (list #$gmnisrv "-C" #$config-file)
> +                        #:user "gmnisrv" #:group "gmnisrv"
> +                        #:log-file "/var/log/gmnisrv.log")))

Suggestions for future work.  :-)

  1. We could provide “bindings” to the config file, using
     ‘define-configuration’ for instance, which has direct mapping to
     the ini file format.

  2. Then we could probably use ‘make-forkexec-constructor/container’ to
     run the process in a namespace that contains just what’s needed:
     the root of the files to be served, and the relevant /gnu/store
     bits.

Thanks!

Ludo’.

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