bug#39366: guix offload sometimes can use ~/.ssh/config, sometimes not

[zimoun]

Hi,

On Wed, 05 Feb 2020 at 12:11, Ludovic Courtès <ludo@gnu.org> wrote:
> Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
>
>> "hurd" is a host name defined in my ~/.ssh/config file.
>>
>> $ guix offload status
>> guix offload: getting status of 1 build machines defined in 
>> '/etc/guix/machines.scm'...
>
> [...]
>
>> $ guix offload test
>> guix offload: testing 1 build machines defined in '/etc/guix/machines.scm'...
>> guix offload: Guix is usable on 'hurd' (test returned 
>> "/gnu/store/883yjkl46dxw9mzykykmbs0yzwyxm17z-test")
>
> [...]
>
>> $ guix build git --no-substitutes --check
>> process 31348 acquired build slot '/var/guix/offload/hurd:22/0'
>> guix offload: error: failed to connect to 'hurd': Failed to resolve hostname 
>> hurd (Name or service not known)
>
> That is confusing indeed.  It comes from the fact that ‘guix offload’ in
> the last case is running as root; thus, it sees a different
> ~/.ssh/config.

Therefore, see 52517. :-)  And the manual is also confusing, IMHO.

<http://issues.guix.gnu.org/issue/52517>


> We could instruct ‘guix offload’ to always ignore ~/.ssh/config, but
> that wouldn’t be great because using it can be useful.

Well, I am in favor of POLA.


Cheers,
simon