Attempt to install epel-release from the internet

after trying epel-release already in the yum repos.

Fixes: #5558
Add ansible-pulp logic to grab epel-release from the internet
https://pulp.plan.io/issues/5558

roles/pulp/meta/main.yml

@@ -5,7 +5,7 @@ galaxy_info:
   issue_tracker_url: https://pulp.plan.io/projects/external/issues/new
   license: GPLv2
   company: Red Hat
-  min_ansible_version: 2.2
+  min_ansible_version: 2.8
   platforms:
     - name: Fedora
       versions:

roles/pulp/tasks/install.yml

@@ -8,11 +8,27 @@
       # This is a lie, but necessary for Idempotence test
       changed_when: False
 
+    # Break the loop once the first package name/URL in the list is found to be installed.
+    # The yum module (which wraps the yum command) uses rc=126 for package not
+    # found, or 0 for changed / already installed.
     - name: Install EPEL Release
-      package:
-        name: epel-release
+      yum:
+        name: "{{ item }}"
         state: present
-      when: ansible_distribution == 'CentOS'
+        # dnf/yum4 registered results not implemented yet
+        use_backend: yum
+      register: epel
+      when:
+        - (ansible_distribution == 'CentOS') or (ansible_distribution == 'RedHat')
+        - ({{ ansible_loop.first }}) or (epel.rc == 126)
+      failed_when:
+        - epel.rc not in [0,126]
+        - ({{ ansible_loop.last }}) and (epel.rc == 126)
+      loop:
+       - epel-release
+       - "https://dl.fedoraproject.org/pub/epel/epel-release-latest-{{ ansible_distribution_major_version }}.noarch.rpm"
+      loop_control:
+        extended: True
 
     - name: Install prerequisites
       package: