win_power_plan: fix for Windows 10 and Server 2008 compatibility (#51471)

test/integration/targets/win_power_plan/tasks/main.yml

@@ -1,26 +1,16 @@
-- name: register os version (seems integration tests don't gather this fact)
-  raw: powershell.exe "gwmi Win32_OperatingSystem | select -expand version"
-  register: os_version
-  changed_when: False
-# ^^ seems "raw" is the only module that works on 2008 non-r2. win_command and win_shell both failed
+# I dislike this but 2008 doesn't support the Win32_PowerPlan WMI provider
+- name: get current plan details
+  win_shell: |
+      $plan_info = powercfg.exe /list
+      ($plan_info | Select-String -Pattern '\(([\w\s]*)\) \*$').Matches.Groups[1].Value
+      ($plan_info | Select-String -Pattern '\(([\w\s]*)\)$').Matches.Groups[1].Value
+  register: plan_info
 
-- name: check if module fails gracefully when older than 2008r2
-  win_power_plan:
-    name: "high performance"
-  when: os_version.stdout_lines[0]  is version('6.1','lt')
-  check_mode: yes
-  register: old_os_check
-  failed_when: old_os_check.msg != 'The win_power_plan Ansible module is only available on Server 2008r2 (6.1) and newer'
+- set_fact:
+    original_plan: '{{ plan_info.stdout_lines[0] }}'
+    name: '{{ plan_info.stdout_lines[1] }}'
 
 - block:
-  - name: register inactive power plan to test with
-    win_shell: (Get-CimInstance -Name root\cimv2\power -Class win32_PowerPlan | ? {! $_.IsActive}).ElementName[0]
-    register: disabled_power_plan
-    changed_when: False
-
-  - set_fact:
-      name: "{{ disabled_power_plan.stdout_lines[0] }}"
-
   #Test that plan detects change is needed, but doesn't actually apply change
   - name: set power plan (check mode)
     win_power_plan:
@@ -28,20 +18,17 @@
     register: set_plan_check
     check_mode: yes
 
-#  - debug:
-#      var: set_plan_check
-
   - name: get result of set power plan (check mode)
-    win_shell: (Get-CimInstance -Name root\cimv2\power -Class win32_PowerPlan -Filter "ElementName = '{{ name }}'").IsActive
+    win_shell: (powercfg.exe /list | Select-String -Pattern '\({{ name }}\)').Line
     register: set_plan_check_result
     changed_when: False
-    
+
   # verify that the powershell check is showing the plan as still inactive on the system
   - name: assert setting plan (check mode)
     assert:
       that:
       - set_plan_check is changed
-      - set_plan_check_result.stdout == 'False\r\n'
+      - not set_plan_check_result.stdout_lines[0].endswith('*')
 
   #Test that setting plan and that change is applied
   - name: set power plan
@@ -50,7 +37,7 @@
     register: set_plan
 
   - name: get result of set power plan
-    win_shell: (Get-CimInstance -Name root\cimv2\power -Class win32_PowerPlan -Filter "ElementName = '{{ name }}'").IsActive
+    win_shell: (powercfg.exe /list | Select-String -Pattern '\({{ name }}\)').Line
     register: set_plan_result
     changed_when: False
 
@@ -58,7 +45,7 @@
     assert:
       that:
       - set_plan is changed
-      - set_plan_result.stdout == 'True\r\n'
+      - set_plan_result.stdout_lines[0].endswith('*')
 
   #Test that plan doesn't apply change if it is already set
   - name: set power plan (idempotent)
@@ -71,8 +58,7 @@
       that:
       - set_plan_idempotent is not changed
 
-  when: os_version.stdout_lines[0]  is version('6.1','ge')
   always:
-  - name: always change back plan to high performance when done testing
+  - name: always change back plan to the original when done testing
     win_power_plan:
-      name: high performance
+      name: '{{ original_plan }}'

test/sanity/pslint/ignore.txt

@@ -54,7 +54,6 @@ lib/ansible/modules/windows/win_pagefile.ps1 PSAvoidUsingPositionalParameters
 lib/ansible/modules/windows/win_pagefile.ps1 PSAvoidUsingWMICmdlet
 lib/ansible/modules/windows/win_pagefile.ps1 PSUseDeclaredVarsMoreThanAssignments
 lib/ansible/modules/windows/win_pagefile.ps1 PSUseSupportsShouldProcess
-lib/ansible/modules/windows/win_power_plan.ps1 PSUseDeclaredVarsMoreThanAssignments
 lib/ansible/modules/windows/win_psmodule.ps1 PSAvoidUsingCmdletAliases
 lib/ansible/modules/windows/win_rabbitmq_plugin.ps1 PSAvoidUsingCmdletAliases
 lib/ansible/modules/windows/win_rabbitmq_plugin.ps1 PSAvoidUsingInvokeExpression