[openstack-dev] [Horizon] Email as User Name on the Horizon login page

Itxaka Serrano Garcia itxaka at redhat.com
Fri Jan 15 08:54:13 UTC 2016

Looks like the form comes from django_openstack_auth:

But to be honest, no idea how that can be overridden trough the themes, 
not sure if its even possible to override anything on that page without 
modifying django_openstack_auth directly :(

Maybe someone else has a better insight on this than me.

* Horrible Hack Incoming, read at your own discretion *

You can override the template here:

And change this line:
<label class="control-label {{ classes.label }} {% if 
field.field.required %}{{ form.required_css_class }}{% endif %}" for="{{ 
field.auto_id }}">{{ field.label }}</label>

For this:
<label class="control-label {{ classes.label }} {% if 
field.field.required %}{{ form.required_css_class }}{% endif %}" for="{{ 
field.auto_id }}">{% if field.label == "User Name" and not 
request.user.is_authenticated %}Email{% else %}{{ field.label }}{% endif 

Which will check if the label is "User Name" and the user is logged out 
and directly write "Email" as the field label.

I know, its horrible and if you update horizon it will be overriden, but 
probably works for the time being if you really need it ¯\_(ツ)_/¯

* Horrible Hack Finished *


On 01/15/2016 05:13 AM, Adrian Turjak wrote:
> I've run into a weird issue with the Liberty release of Horizon.
> For our deployment we enforce emails as usernames, and thus for Horizon
> we used to have "User Name" on the login page replaced with "Email".
> This used to be a straightforward change in the html template file, and
> with the introduction of themes we assumed it would be the same. When
> one of our designers was migrating our custom CSS and html changes to
> the new theme system they missed that change and I at first it was a
> silly mistake.
> Only on digging through the code myself I found that the "User Name" on
> the login screen isn't in the html file at all, nor anywhere else
> straightforward. The login page form is built on the fly with javascript
> to facilitate different modes of authentication. While a bit annoying
> that didn't seem too bad and I then assumed it might mean a javascript
> change, only that the more I dug, the more I became confused.
> Where exactly is the login form defined? And where exactly is the "User
> Name" text for the login form set?
> I've tried all manner of stuff to change it with no luck and I feel like
> I must have missed something obvious.
> Cheers,
> -Adrian Turjak
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