cat netapp_test.yml

---
- name: Check version
  hosts: localhost
  gather_facts: no
  connection: local
  tasks:
    - name: run ontap cli command
      na_ontap_command:
        hostname: xxhostnamexx
        username: netapp_username
        password: netapp_password
        command: ['version']
...

[root@hostname ansible]# ansible-playbook --check netapp_test.yml -vvv
ansible-playbook 2.7.7
  config file = /etc/ansible/ansible.cfg
  configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python2.7/site-packages/ansible
  executable location = /usr/bin/ansible-playbook
  python version = 2.7.5 (default, Sep 12 2018, 05:31:16) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)]
Using /etc/ansible/ansible.cfg as config file
/etc/ansible/hosts did not meet host_list requirements, check plugin documentation if this is unexpected
/etc/ansible/hosts did not meet script requirements, check plugin documentation if this is unexpected
Parsed /etc/ansible/hosts inventory source with ini plugin
/usr/lib/python2.7/site-packages/requests/__init__.py:91: RequestsDependencyWarning: urllib3 (1.24.1) or chardet (2.2.1) doesn't match a supported version!
  RequestsDependencyWarning)

PLAYBOOK: netapp_test.yml *********************************************************************************************************************************************
1 plays in netapp_test.yml

PLAY [Check version] ***************************************************************************************************************************************************
META: ran handlers

TASK [run ontap cli command] *******************************************************************************************************************************************
task path: /etc/ansible/netapp_check.yml:12
<127.0.0.1> ESTABLISH LOCAL CONNECTION FOR USER: root
<127.0.0.1> EXEC /bin/sh -c 'echo ~root && sleep 0'
<127.0.0.1> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo /root/.ansible/tmp/ansible-tmp-1550659934.55-42808292017672 `" && echo ansible-tmp-1550659934.55-42808292017672="` echo /root/.ansible/tmp/ansible-tmp-1550659934.55-42808292017672 `" ) && sleep 0'
Using module file /usr/lib/python2.7/site-packages/ansible/modules/storage/netapp/na_ontap_command.py
<127.0.0.1> PUT /root/.ansible/tmp/ansible-local-883079mH0GE/tmptAYcD0 TO /root/.ansible/tmp/ansible-tmp-1550659934.55-42808292017672/AnsiballZ_na_ontap_command.py
<127.0.0.1> EXEC /bin/sh -c 'chmod u+x /root/.ansible/tmp/ansible-tmp-1550659934.55-42808292017672/ /root/.ansible/tmp/ansible-tmp-1550659934.55-42808292017672/AnsiballZ_na_ontap_command.py && sleep 0'
<127.0.0.1> EXEC /bin/sh -c '/usr/bin/python2 /root/.ansible/tmp/ansible-tmp-1550659934.55-42808292017672/AnsiballZ_na_ontap_command.py && sleep 0'
<127.0.0.1> EXEC /bin/sh -c 'rm -f -r /root/.ansible/tmp/ansible-tmp-1550659934.55-42808292017672/ > /dev/null 2>&1 && sleep 0'
The full traceback is:
Traceback (most recent call last):
  File "/tmp/ansible_na_ontap_command_payload_nC0coe/__main__.py", line 83, in run_command
    output = self.server.invoke_successfully(command_obj, True)
  File "/usr/lib/python2.7/site-packages/netapp_lib/api/zapi/zapi.py", line 281, in invoke_successfully
    result = self.invoke_elem(na_element, enable_tunneling)
  File "/usr/lib/python2.7/site-packages/netapp_lib/api/zapi/zapi.py", line 261, in invoke_elem
    raise NaApiError(e.code, e.msg)
NaApiError: NetApp API failed. Reason - 401:basic auth failed

fatal: [localhost]: FAILED! => {
    "changed": false,
    "invocation": {
        "module_args": {
            "command": [
                "version"
            ],
            "hostname": "XXX.XX.X.XXX",
            "http_port": null,
            "https": false,
            "password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
            "username": "admin",
            "validate_certs": true
        }
    },
    "msg": "Error running command ['version']: NetApp API failed. Reason - 401:basic auth failed"
}
        to retry, use: --limit @/etc/ansible/netapp_check.retry

PLAY RECAP *************************************************************************************************************************************************************
localhost                  : ok=0    changed=0    unreachable=0    failed=1