Add ability to exclude postgres data during migration to Openshift AAP operator (#1954)

roles/installer/defaults/main.yml

@@ -241,6 +241,9 @@ postgres_configuration_secret: ''
 
 old_postgres_configuration_secret: ''
 
+# Allow additional parameters to be added to the pg_dump backup command during AAP VMs to OCP migration
+pg_dump_suffix: ''
+
 # Secret to lookup that provides default execution environment pull credentials
 #
 ee_pull_credentials_secret: ''

roles/installer/tasks/migrate_data.yml

@@ -44,6 +44,7 @@
       -d {{ awx_old_postgres_database }}
       -p {{ awx_old_postgres_port }}
       -F custom
+      {{ pg_dump_suffix }}
   no_log: "{{ no_log }}"
 
 - name: Set pg_restore command