Return PyMySQL installation for distro installs

Due to error, PyMySQL installation for distro based installs was removed
with [1]

We return this behaviour back and fixing LXC distro deployments.

[1] https://review.opendev.org/c/openstack/openstack-ansible/+/742100

Change-Id: Ic03e6271695bbfd5e7166994a44af46cc0134bbd
Closes-Bug: #1922701

inventory/group_vars/utility_all.yml

@@ -51,6 +51,7 @@ utility_distro_openstack_clients_packages:
     - python3-novaclient
     - python3-cinderclient
     - python3-openstackclient
+    - "{{ (ansible_os_family | lower == 'redhat') | ternary('python3-PyMySQL', 'python3-pymysql') }}"
 
 # Python packages to be installed into the utility container
 utility_pip_packages:

playbooks/utility-install.yml

@@ -96,9 +96,9 @@
           yum_repository:
             name: epel-utility
             baseurl: "{{ centos_epel_mirror | default('http://download.fedoraproject.org/pub/epel') ~ '/'
-                                                      ~ ansible_facts['distribution_major_version'] ~ '/'
+                                                      ~ ansible_facts['distribution_major_version'] ~ '/Everything/'
                                                       ~ ansible_facts['architecture'] }}"
-            description: 'Extra Packages for Enterprise Linux 7 - $basearch'
+            description: "Extra Packages for Enterprise Linux {{ ansible_facts['ansible_distribution_major_version'] }} - $basearch"
             gpgcheck: yes
             enabled: yes
             state: present