# Unknown error with arguments of roles **URL:** \ **Category:** Ansible Project\ **Created:** [December 12, 2021, 12:51pm UTC](https://forum.ansible.com/t/unknown-error-with-arguments-of-roles/36104 "2021-12-12T12:51:37Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Axel\_Rau](https://avatars.discourse-cdn.com/v4/letter/a/ad7895/32.png) [@Axel\_Rau](https://forum.ansible.com/u/Axel_Rau)\ **Post date:** [December 12, 2021, 12:51pm UTC](https://forum.ansible.com/t/unknown-error-with-arguments-of-roles/36104/1 "2021-12-12T12:51:37Z")
Hi all, I have a role lr\_nsupdate so: - - - - name: Show calling args   debug:     var: ca - name: Update DNS master server   community.general.nsupdate:     key\_name: '{{ key\_name }}'     key\_algorithm: '{{ algorithm }}'     key\_secret: '{{ secret }}'     server: '{{ server }}'     zone: '{{ ca.zone | default(None) }}'     record: '{{ ca.owner\_name }}'     ttl: '{{ the\_ttl | default(3600) }}'     type: '{{ ca.type }}'     value: '{{ ca.RDATA }}'     state: '{{ ca.state | default(present) }}‘ - - - When I call it so in another role: - - - - name: 'Delete CNAME db.lrau.net'   include\_role:     name: lr\_nsupdate   vars:     ca:       ca.owner\_name: 'db.lrau.net.'       ca.state: 'absent'       ca.type: ‚CNAME‘ - - - I get: - - - ok: [dbo5] =\> {     "ca": {         "ca.owner\_name": "db.lrau.net.",         "ca.state": "absent",         "ca.type": "CNAME"     } } TASK [lr\_nsupdate : Update DNS master server] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* fatal: [dbo5]: FAILED! =\> {"msg": "The task includes an option with an undefined variable. The error was: 'dict object' has no attribute 'owner\_name'\n\nThe error appears to be in '/usr/local/etc/ansible/roles/lr\_nsupdate/tasks/main.yaml': line 31, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: Update DNS master server\n ^ here\n“} - - - Any help welcome, Axel ---
**Author:** ![Jorge\_Rua1](https://avatars.discourse-cdn.com/v4/letter/j/a87d85/32.png) [@Jorge\_Rua1](https://forum.ansible.com/u/Jorge_Rua1)\ **Post date:** [December 12, 2021, 12:58pm UTC](https://forum.ansible.com/t/unknown-error-with-arguments-of-roles/36104/2 "2021-12-12T12:58:11Z")
You either change it to ca.ca.owner\_name or remove the second ‘ca’ for each dict member. ---
**Author:** ![Axel\_Rau](https://avatars.discourse-cdn.com/v4/letter/a/ad7895/32.png) [@Axel\_Rau](https://forum.ansible.com/u/Axel_Rau)\ **Post date:** [December 12, 2021, 4:37pm UTC](https://forum.ansible.com/t/unknown-error-with-arguments-of-roles/36104/3 "2021-12-12T16:37:35Z")
Naturally of course, (-; Thanks, Axel ---
**Author:** ![Axel\_Rau](https://avatars.discourse-cdn.com/v4/letter/a/ad7895/32.png) [@Axel\_Rau](https://forum.ansible.com/u/Axel_Rau)\ **Post date:** [December 12, 2021, 6:29pm UTC](https://forum.ansible.com/t/unknown-error-with-arguments-of-roles/36104/4 "2021-12-12T18:29:55Z")
After fixing the argument issue, I’m stuck with this: I have a role lr\_nsupdate so: - - - - name: Show calling args   debug:     var: ca - name: Update DNS master server   community.general.nsupdate:     key\_name: '{{ key\_name }}'     key\_algorithm: '{{ algorithm }}'     key\_secret: '{{ secret }}'     server: '{{ server }}'     zone: '{{ ca.zone | default(None) }}'     record: '{{ ca.owner\_name }}'     ttl: '{{ the\_ttl | default(3600) }}'     type: '{{ ca.type }}'     value: '{{ ca.RDATA | default(None) }}'     state: "{{ ca.state | default('present') }}"   delegate\_to: localhost - - - When I call it so in another role: - - - - name: 'Delete CNAME db.lrau.net'   include\_role:     name: lr\_nsupdate   vars:     ca:       owner\_name: 'db.lrau.net.'       state: 'absent'       type: ‚CNAME‘ - - - I get: - - - TASK [lr\_nsupdate : Show calling args] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ok: [dbo5] =\> {     "ca": {         "owner\_name": "db.lrau.net.",         "state": "absent",         "type": "CNAME"     } } TASK [lr\_nsupdate : Update DNS master server] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* An exception occurred during task execution. To see the full traceback, use -vvv. The error was: IndexError: string index out of range fatal: [dbo5 -\> localhost]: FAILED! =\> {"changed": false, "module\_stderr": "Shared connection to localhost closed.\r\n", "module\_stdout": "Traceback (most recent call last):\r\n File \"/root/.ansible/tmp/ansible-tmp-1639333586.086785-18489-58263131450333/AnsiballZ\_nsupdate.py\", line 100, in \\r\n \_ansiballz\_main()\r\n File \"/root/.ansible/tmp/ansible-tmp-1639333586.086785-18489-58263131450333/AnsiballZ\_nsupdate.py\", line 92, in \_ansiballz\_main\r\n invoke\_module(zipped\_mod, temp\_path, ANSIBALLZ\_PARAMS)\r\n File \"/root/.ansible/tmp/ansible-tmp-1639333586.086785-18489-58263131450333/AnsiballZ\_nsupdate.py\", line 41, in invoke\_module\r\n run\_name='\_\_main\_\_', alter\_sys=True)\r\n File \"/usr/local/lib/python3.7/runpy.py\", line 205, in run\_module\r\n return \_run\_module\_code(code, init\_globals, run\_name, mod\_spec)\r\n File \"/usr/local/lib/python3.7/runpy.py\", line 96, in \_run\_module\_code\r\n mod\_name, mod\_spec, pkg\_name, script\_name)\r\n File \"/usr/local/lib/python3.7/runpy.py\", line 85, in \_run\_code\r\n exec(code, run\_globals)\r\n File \"/tmp/ansible\_community.general.nsupdate\_payload\_3364ymle/ansible\_community.general.nsupdate\_payload.zip/ansible\_collections/community/general/plugins/modules/nsupdate.py\", line 483, in \\r\n File \"/tmp/ansible\_community.general.nsupdate\_payload\_3364ymle/ansible\_community.general.nsupdate\_payload.zip/ansible\_collections/community/general/plugins/modules/nsupdate.py\", line 461, in main\r\n File \"/tmp/ansible\_community.general.nsupdate\_payload\_3364ymle/ansible\_community.general.nsupdate\_payload.zip/ansible\_collections/community/general/plugins/modules/nsupdate.py\", line 233, in \_\_init\_\_\r\nIndexError: string index out of range\r\n", "msg": "MODULE FAILURE\nSee stdout/stderr for the exact error", "rc": 1} Is this a bug in the nsupdate module? Thanks, Axel ---
**Author:** ![utoddl](https://sea1.discourse-cdn.com/ansible/user_avatar/forum.ansible.com/utoddl/32/249_2.png) [@utoddl](https://forum.ansible.com/u/utoddl)\ **Post date:** [December 13, 2021, 12:29pm UTC](https://forum.ansible.com/t/unknown-error-with-arguments-of-roles/36104/5 "2021-12-13T12:29:26Z")
> ```auto > - name: Update DNS master server > community.general.nsupdate: > key_name: '{{ key_name }}' > key_algorithm: '{{ algorithm }}' > key_secret: '{{ secret }}' > server: '{{ server }}' > zone: '{{ ca.zone | default(None) }}' > record: '{{ ca.owner_name }}' > ttl: '{{ the_ttl | default(3600) }}' > type: '{{ ca.type }}' > value: '{{ ca.RDATA | default(None) }}' > state: "{{ ca.state | default('present') }}" > delegate_to: localhost > > ``` Those `default(None)` should probably be `default(omit)`. > ```auto > Is this a bug in the nsupdate module? > > ``` I expect it is, or at least it could be handled better. But my guess is it’s being triggered by your use of `None` instead of `omit`. ​ ---
**Author:** ![Axel\_Rau](https://avatars.discourse-cdn.com/v4/letter/a/ad7895/32.png) [@Axel\_Rau](https://forum.ansible.com/u/Axel_Rau)\ **Post date:** [December 13, 2021, 4:21pm UTC](https://forum.ansible.com/t/unknown-error-with-arguments-of-roles/36104/6 "2021-12-13T16:21:29Z")
YES!Thanks a lot, Axel