only try to create cluster node list when tcpping is selected

roles/keycloak/tasks/install.yml

@@ -187,7 +187,7 @@
     - restart keycloak
   when: not keycloak_remotecache.enabled or keycloak_config_override_template | length > 0
 
-- name: Create cluster node list
+- name: Create tcpping cluster node list
   ansible.builtin.set_fact:
     keycloak_cluster_nodes: >
       {{ keycloak_cluster_nodes | default([]) + [
@@ -199,6 +199,7 @@
         }
       ] }}
     loop: "{{ ansible_play_batch }}"
+  when: keycloak_ha_enabled and keycloak_ha_discovery == 'TCPPING'
 
 - name: "Deploy {{ keycloak.service_name }} config with remote cache store to {{ keycloak_config_path_to_standalone_xml }}"
   become: yes