win_updates: failed_updates_count not always returned

[jborean93]

From @TylerKerrACG on Jun 27, 2018 20:20

SUMMARY

The documentation for win_updates claims that the "failed_updates_count" return value will always be returned, but that is not the case. Other values that are only returned on success are still present when no changes are made.

ISSUE TYPE

• Bug Report

COMPONENT NAME

win_updates

ANSIBLE VERSION

ansible 2.5.4
  config file = /etc/ansible/ansible.cfg
  configured module search path = [u'/home/it/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python2.7/dist-packages/ansible
  executable location = /usr/bin/ansible
  python version = 2.7.15rc1 (default, Apr 15 2018, 21:51:34) [GCC 7.3.0]

CONFIGURATION

Nothing changed.

OS / ENVIRONMENT

Running from AWX Docker on Linux.
Controlling Windows 10 machines.

STEPS TO REPRODUCE

    - name: Install all important updates
      win_updates:
        category_names:
          - SecurityUpdates
          - CriticalUpdates
          - UpdateRollups
        log_path: c:\_ansible\wu.txt
        state: installed
        become: yes
        become_method: runas
        become_user: SYSTEM
      register: update_result

EXPECTED RESULTS

return value included "failed_update_count": 0

ACTUAL RESULTS

return value "failed_update_count" is undefined

{
    "_ansible_parsed": true,
    "_ansible_no_log": false,
    "filtered_updates": {},
    "installed_update_count": 0,
    "changed": false,
    "reboot_required": false,
    "updates": {},
    "found_update_count": 0
}

Copied from original issue: ansible/ansible#42020