Use python3-mod_wsgi instead of mod_wsgi on CentOS8

[kajinamit]

The mod_wsgi package was renamed to python3-mod_wsgi on CentOS8, and
now the old name doesn't work since the provides and obsoletes for it
was removed[1].

[1] https://centos.pkgs.org/8/centos-appstream-x86_64/python3-mod_wsgi-4.6.4-4.el8.x86_64.rpm.html

[puppet-community-rangefinder]

apache::params is a class

Breaking changes to this file WILL impact these 11 modules (exact match):

• osc-openondemand
• openstack-ironic
• jlondon-phpmyadmin
• openstack-zaqar
• desalvo-bacula
• openstack-mistral
• openstack-keystone
• brucem-ezpublish
• xdrum-puppet
• openstack-manila
• openstack-cinder

Breaking changes to this file MAY impact these 16 modules (near match):

• openstack-aodh
• camptocamp-catalog_diff
• openstack-panko
• openstack-watcher
• openstack-octavia
• ULHPC-passenger
• openstack-magnum
• openstack-sahara
• openstack-cloudkitty
• openstack-neutron
• openstack-gnocchi
• openstack-vitrage
• openstack-barbican
• openstack-heat
• willdurand-bazinga
• openstack-tripleo

This module is declared in 174 of 575 indexed public Puppetfiles.

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[daianamezdrea]

Hi @kajinamit, this looks good and well documented! Thank you! Cheers!

[mwhahaha]

I'd have flipped this logic as when 9 comes out we'll have to update this again.

[kajinamit]

@mwhahaha
I agree that it's better to update the default to avoid future effort, but there are some more places where we use default values for older releases and this is why I fixed only CentOS8 in this patch.
Note that to update the default we should be careful about Amazon Linux because Amazon Linux depends on the same logics but has completely different version assignment.