bug#47260: Package GNU MediaGoblin as a Guix service

[Ben Sturmfels]

On Thu, 01 Apr 2021, Ben Sturmfels wrote:

> 5. Get a basic Guix service working, with sqlite3 and without the
> offloaded media transcoding currently using Celery task queue with a
> Redis broker.

Woo! After a lot of trial and error, I finally have a basic MediaGoblin
running entirely under Guix with no virtualenv trickery!

After applying the attached patch to my guix repo, I grab a copy of the
basic config files and enable audio and video:

  curl 
https://git.savannah.gnu.org/cgit/mediagoblin.git/plain/mediagoblin.example.ini 
> mediagoblin.ini
  curl https://git.savannah.gnu.org/cgit/mediagoblin.git/plain/paste.ini > 
paste.ini
  echo "[[mediagoblin.media_types.audio]]" >> mediagoblin.ini
  echo "[[mediagoblin.media_types.video]]" >> mediagoblin.ini

Build MediaGoblin, which downloads from our master branch and runs the
full test suite successfully:

  ~/ws/guix/pre-inst-env guix build mediagoblin

Then install MediaGoblin in a container (not working in a non-container
guix environment or without explicit "python"):

  ~/ws/guix/pre-inst-env guix environment --container --network 
--share=$HOME/.bash_history --ad-hoc mediagoblin python

Create an sqlite3 database and add a user:

  gmg dbupdate
  gmg adduser --username admin --password a --email admin@example.com
  gmg changepw admin a

Upload an image, audio and video via CLI:

  gmg addmedia admin image.jpg
  gmg addmedia admin audio.wav
  gmg addmedia admin video.mp4

Start the web interface:

  CELERY_ALWAYS_EAGER=true paster serve paste.ini

The web interface is working. Looks like we're missing some CSS
(probably due to files not being included in the setuptools package),
but that's a minor issue.

Getting there!

Regards,
Ben

0001-Add-MediaGoblin-package.patch
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