python-django charm with subordinate app - help needed

[Charles Butler]

Tim,

Have you reached out to the charm author with these questions as well? That
would be where I would start. They are great questions that deserve an
answer, as I'm sure you're not the only user that will have them. This is
an area that the python-django charm (in series trusty - to be clear and
specific) would benefit from some work on the documentation.

All the best,

Charles


On Sun, Jun 8, 2014 at 11:32 PM, Tim Penhey <tim.penhey at canonical.com>
wrote:

> Hi all,
>
> I'm looking at using the subordinate charm method for delivering the app
> payload to the python-django charm.
>
> From the pyton-django readme:
>
> > When you add a relation between your charm and the python-django
> > charm, you will be able to get those relation variables from the
> > hook:
> >
> >   settings_dir_path
> >   urls_dir_path
> >   django_admin_cmd
> >   install_root
> >
> > Now your charm will be informed about where it needs to add new
> > settings and urls files and how to run additionnal Django commands.
> > The Django charm reloads Gunicorn after the relation to catch the
> > changes.
>
> Unfortunately the doc doesn't explain what I need to put where.
>
> Lets say I have my django application in revision control, but it isn't
> public (because it will be SAAS :-).  It follows pretty standard django
> format, and testing wise I just use: ./manage.py runserver
>
> I have a settings file, and urls, and dependencies that I use a virtual
> environment and a pip requirements.txt file for.
>
> I'm thinking that I should have the install and upgrade hook use pip to
> install the requirements.  It seems that the current python-django charm
> isn't yet set up to handle virtual environments, is that right?
>
> How then do I hook up the database for example?  I have settings in my
> current settings.py, but this will clearly be superseded by the
> relationship between python-django and postgresql.
>
> Are there examples I could look at for existing charms that do this type
> of thing?
>
> Any help greatly appreciated.
>
> Cheers,
> Tim
>
>
>
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