Skip installing epel-release on CentOS/RHEL 8

It was only required on CentOS 7 for QEMU emulators.

Author: markgoddard

tasks/install-daemon.yml

@@ -21,7 +21,7 @@
   retries: 3
   become: True
 
-# NOTE: QEMU emulators are available in EPEL.
+# NOTE: QEMU emulators are available in EPEL on CentOS 7.
 - name: Ensure the EPEL repository is enabled
   yum:
     name: epel-release
@@ -32,6 +32,7 @@
   become: True
   when:
     - ansible_facts.os_family == "RedHat"
+    - ansible_facts.distribution_major_version | int == 7
     - libvirt_host_qemu_emulators | length > 0
 
 - name: Ensure QEMU emulator packages are installed