test.yml

---
    # ansible-playbook -v 002.setup_glusterfs_infra.yml -u root
    - hosts: all
      vars:
        glusterfs_cluster_private_ips: "{{ansible_play_hosts | map('extract', hostvars, ['ansible_eth0', 'ipv4', 'address']) | join(',') }}"
        #gluster_cluster_private_hosts: "{{ glusterfs_cluster_private_ips.split(',') }}"
      tasks:
        - debug:
            msg: "{{ gluster_cluster_private_hosts if gluster_cluster_private_hosts is defined and gluster_cluster_private_hosts | length > 0 else gluster_cluster_hosts}}"

            #msg: "{{test_myscript.stderr | length > 0}}" 
            #msg: "{{'NodePort' if 1 == 1 else gluster_cluster_hosts}}"