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bug#37162: ‘guix pack -f docker’ creates an image without /etc/passwd

From: Maxim Cournoyer
Subject: bug#37162: ‘guix pack -f docker’ creates an image without /etc/passwd
Date: Mon, 26 Aug 2019 18:19:36 +0900
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)

Hello Ricardo,

Ricardo Wurmus <address@hidden> writes:

> Hi Maxim,
>> Ludovic Courtès <address@hidden> writes:
>>> ‘guix pack -f docker’ currently creates an image without
>>> /etc/{passwd,group,shadow}.
>>> It’s OK most of the time, but again it looks like a gratuitous annoyance
>>> for those cases where having them around matters (that’s also the reason
>>> why guix-daemon creates them.)
>> Would that include the files required for PAM authentication to work
>> correctly? I remember struggling with this use case: using the Docker
>> image with CQFD wrapper, which must be able to create a user and
>> sudo'ing (or 'su') to it in the docker container.
> I wonder if at this point it wouldn’t be better to build a whole system
> container.  Isn’t that outside the scope of “guix pack” and rather a
> task for “guix system”?

Probably! But then one has to wonder if adding some base files to `guix
pack' is not one of those slippery slopes where users come back
expecting more stuff to be there?

What use case(s) exactly depend on the presence of the
/etc/{passwd,group,shadow} files?


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