Example Playbook do not works out of the box about ansible-role-openvpn HOT 1 CLOSED

kyl191@itx:~/db/ansible-playbooks$ ansible-playbook -i inventory.yaml roles/openvpntest.yml

PLAY [vpn] *****************************************************************************************************************

TASK [Gathering Facts] *****************************************************************************************************
ok: [129.146.44.43]
...
TASK [kyl191.openvpn : Setup openvpn auto-start & start] *******************************************************************
ok: [129.146.44.43]

PLAY RECAP *****************************************************************************************************************
129.146.44.43              : ok=60   changed=6    unreachable=0    failed=0    skipped=51   rescued=0    ignored=0

kyl191@itx:~/db/ansible-playbooks$ cat roles/openvpntest.yml
- hosts: vpn
  roles:
    - role: kyl191.openvpn
      clients:
        - client1
      openvpn_sync_certs: true