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Hi Jean-Francois,

I have a similar deployment of Victoria on Ubuntu 18.04 using OIDC .

On Ubuntu 18.04 libapache2-mod-auth-openidc and libapache2-mod-shib2 
can't be co-installed as they require conflicting versions of libcurl - 
see the workaround here 
https://github.com/openstack/openstack-ansible-os_keystone/blob/master/vars/debian.yml#L58-L61

For Ubuntu 20.04 these packages are co-installable so whenever keystone 
is configured to be a SP both are installed, as here 
https://github.com/openstack/openstack-ansible-os_keystone/blob/master/vars/ubuntu-20.04.yml#L58-L60

A starting point would be checking what you've got 
keystone_sp.apache_mod set to in your config, as this drives how the 
apache config is constructed, here 
https://github.com/openstack/openstack-ansible-os_keystone/blob/master/tasks/main.yml#L51-L68

In particular, if keystone_sp.apache_mod is undefined in your config, 
the defaults assume mod_shib is required.

You can also join us in the IRC channel #openstack-ansible we can debug 
further.

Regards
Jonathan.

On 05/05/2021 16:26, Taltavull Jean-Francois wrote:
> Hi All,
>
> I'm trying to make keystone federation with openid connect work on an Ubuntu 20.04 + Victoria cloud deployed with OSA.
>
> Despite the fact that I use openid, shibboleth seems to be involved and I had to add "ShibCompatValidUser On" directive to the file "/etc/apache2/conf-available/shib.conf", by hand in the keystone lxc container, in order to successfully authenticate ("valid user: granted" an not "valid user: denied" in apache log file).
>
> Has anyone already experienced this use case ?
>
> Thanks and best regards,
> Jean-Francois
>
>
>
>