Disables built-in PostgreSQL module prior to installing external version on CentOS 8

postgresql/tasks/packages.yml

@@ -35,6 +35,10 @@
     state: present
   when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "8")
 
+- name: Disable the built-in PostgreSQL module
+  command: dnf -qy module disable postgresql
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "8" and not use_distribution_postgresql)
+
 - name: Install PostgreSQL {{ external_postgresql_version }} packages for CentOS 8
   dnf:
     conf_file: '/etc/dnf/dnf.conf'