From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Subject: bug#39819: guix-service-type authorized keys are not honored when
 /etc/guix/acl exists
Date: Thu, 27 Feb 2020 23:32:53 -0500
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 (Maxim Cournoyer's message of "Thu, 27 Feb 2020 23:30:33 -0500")
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Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:

> Hello,
>
> I spent the evening debugging why my authorized keys for the
> guix-service-type wouldn't appear under /etc/guix/acl upon
> reconfiguration (and 'guix offload test' would be unhelpfully reporting
> "guix offload: error: program
> `/gnu/store/n9633hls7097236l4j8i1aiv5bppyf0q-guix-1.0.1-13.50299ad/bin/guix'
> failed with exit code 1", see issue <https://bugs.gnu.org/34786>).
>
> It turns out that the guix-activation script that is supposed to add the authorized keys does this:
>
>    (unless (file-exists? "/etc/guix/acl")
>      (mkdir-p "/etc/guix")
>      (copy-file #+default-acl "/etc/guix/acl")
>      (chmod "/etc/guix/acl" #o600)))))
>
> i.e., it doesn't do anything if a /etc/guix/acl file already exists.
> This means that the only time it ought to do anything is the first time
> the system was reconfigured (or perhaps, init?).
>
> I would have expected the keys declared in my operating system
> configuration to be used along those with /etc/guix/acl, or added to it.

I forgot to mention, the above code is from (gnu services base), more
specifically from the `substitute-key-authorization' procedure.