freebsd: shutdown -p ... on freebsd to power off machine (#7102)

* freebsd: shutdown -p ... on freebsd to power off machine

* Use shutdown -p ... on FreeBSD such that the machine is halted and
  powered off (-p) otherwise the machine is halted (-h) but remains on.

* Update changelogs/fragments/7102-freebsd-shutdown-p.yml

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Felix Fontein <felix@fontein.de>

changelogs/fragments/7102-freebsd-shutdown-p.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - shutdown - use ``shutdown -p ...`` with FreeBSD to halt and power off machine (https://github.com/ansible-collections/community.general/pull/7102).

plugins/action/shutdown.py

@@ -45,7 +45,7 @@ class ActionModule(ActionBase):
     SHUTDOWN_COMMAND_ARGS = {
         'alpine': '',
         'void': '-h +{delay_min} "{message}"',
-        'freebsd': '-h +{delay_sec}s "{message}"',
+        'freebsd': '-p +{delay_sec}s "{message}"',
         'linux': DEFAULT_SHUTDOWN_COMMAND_ARGS,
         'macosx': '-h +{delay_min} "{message}"',
         'openbsd': '-h +{delay_min} "{message}"',

tests/integration/targets/shutdown/tasks/main.yml

@@ -77,8 +77,8 @@
 - name: Verify shutdown delay is present in seconds in FreeBSD
   assert:
     that:
-      - '"-h +100s" in shutdown_result["shutdown_command"]'
-      - '"-h +0s" in shutdown_result_minus["shutdown_command"]'
+      - '"-p +100s" in shutdown_result["shutdown_command"]'
+      - '"-p +0s" in shutdown_result_minus["shutdown_command"]'
   when: ansible_system == 'FreeBSD'
 
 - name: Verify shutdown delay is present in seconds in Solaris, SunOS