GNU bug report logs - #37161
‘guix pack -f docker’ creates an image without /tmp

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludovic.courtes <at> inria.fr>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#37161: closed (‘guix pack -f
 docker’ creates an image without /tmp)
Date: Tue, 27 Aug 2019 10:48:01 +0000

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Your message dated Tue, 27 Aug 2019 12:47:22 +0200
with message-id <87sgpmq405.fsf <at> inria.fr>
and subject line Re: bug#37161: ‘guix pack -f docker’ creates an image without /tmp
has caused the debbugs.gnu.org bug report #37161,
regarding ‘guix pack -f docker’ creates an image without /tmp
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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37161: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=37161
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From: Ludovic Courtès <ludovic.courtes <at> inria.fr>
To: bug-Guix <at> gnu.org
Subject: ‘guix pack -f docker’
 creates an image without /tmp
Date: Fri, 23 Aug 2019 16:57:15 +0200

Hi Guix!

Currently ‘guix pack -f docker’ creates an image that lacks /tmp, but
some programs fail to run when /tmp is missing.

One can work around it by asking Docker to create /tmp:

  docker run --tmpfs /tmp …

However, it seems easier to just create /tmp upfront in the image.

Ludo’.

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From: Ludovic Courtès <ludovic.courtes <at> inria.fr>
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: 37161-done <at> debbugs.gnu.org
Subject: Re: bug#37161: ‘guix pack -f docker’ creates an image without /tmp
Date: Tue, 27 Aug 2019 12:47:22 +0200

Hi,

Ricardo Wurmus <rekado <at> elephly.net> skribis:

>> One can work around it by asking Docker to create /tmp:
>>
>>   docker run --tmpfs /tmp …
>>
>> However, it seems easier to just create /tmp upfront in the image.
>
> If /tmp exists in the image can a user still overwrite it to either map
> an outside directory to /tmp in the container or to use a tmpfs?

Yes I think so.

> If this is still possible, I agree that /tmp should exist in the
> generated image – even if it’s just a plain mount point.

Done in commit 7979a287f8eb84cbbfa44629951572408939a756.

Thanks,
Ludo’.

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