bug#46760: guix deploy doesn't seem to be authorizing the machine that is deploying to the remote

[Maxim Cournoyer]

Hello,

Andrew Tropin <andrew@trop.in> writes:

> On 2021-02-24 23:56, pkill9 wrote:
>
>> I'm using the machine-ssh-configuration, I set `(authorize? #t)` which
>> the manual states should authorize the deploying machine onto the
>> remote host, but I get an error:
>> ```
>> guix deploy: error: unauthorized public key: (public-key...
>> ```
>>
>> So I add to the OS definition:
>>
>> ```
>>  (guix-configuration
>>                    (authorized-keys (append `(,(local-file
>> "/etc/guix/signing-key.pub")) %default-authorized-guix-keys))))
>>
>> ```
>>
>> Which makes the error go away. I'm under the impression however that
>> the 'authorize? #t' field should be doing this without me needing to
>> add it to the OS configuration.
>
> `(authorize? #t)` seems working, it does `guix archive --authorize <
> local-key` on remote machine before reconfiguring, but after
> reconfiguration is finished the value of /etc/guix/acl is reset by
> guix-service-type and for some reason the error message you mentioned
> appears.  Despite the error message the new generation is created and
> new configuration is applied.  It seems something like copying auxiliary
> file to remote store happens after reconfiguration is finished.  Will
> try to investigate that, when will have some free time.
>
> For now I do the same trick with changing the configuration for
> guix-service-type:
> https://diode.zone/w/fJNN6ExYA35NC19BRiHw2L?start=37m5s

It probably has to do with commit
3b6e4e5fd05e72b8a32ff1a2d5e21464260e21e6, which made /etc/guix/acl
declarative by default.

Thanks,

Maxim