homebrew: Add support for services functions (#8329)

* Homebrew: Add support for services functions

Fixes #8286.
Add a homebrew.services module for starting and stopping services
that are attached to homebrew packages.

* Address python version compatibility

* Addressing reviewer comments

* Addressing sanity logs

* Address str format issues

* Fixing Python 2.7 syntax issues

* Test alias, BOTMETA, grammar

* Attempt to fix brew in tests

* Address comments by russoz

* Fixing more dumb typos

* Actually uninstall black

* Update version_added in plugins/modules/homebrew_services.py

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

---------

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

tests/integration/targets/homebrew_services/aliases

@@ -0,0 +1,9 @@
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+azp/posix/1
+skip/aix
+skip/freebsd
+skip/rhel
+skip/docker

tests/integration/targets/homebrew_services/handlers/main.yml

@@ -0,0 +1,11 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- name: uninstall black
+  community.general.homebrew:
+    name: black
+    state: absent
+  become: true
+  become_user: "{{ brew_stat.stat.pw_name }}"

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

@@ -0,0 +1,86 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Don't run this test for non-MacOS systems.
+- meta: end_play
+  when: ansible_facts.distribution != 'MacOSX'
+
+- name: MACOS | Find brew binary
+  command: which brew
+  register: brew_which
+
+- name: MACOS | Get owner of brew binary
+  stat:
+    path: "{{ brew_which.stdout }}"
+  register: brew_stat
+
+- name: Homebrew Services test block
+  become: true
+  become_user: "{{ brew_stat.stat.pw_name }}"
+  block:
+  - name: MACOS | Install black
+    community.general.homebrew:
+      name: black
+      state: present
+    register: install_result
+    notify:
+      - uninstall black
+
+  - name: Check the black service is installed
+    assert:
+      that:
+        - install_result is success
+
+  - name: Start the black service
+    community.general.homebrew_services:
+      name: black
+      state: present
+    register: start_result
+    environment:
+      HOMEBREW_NO_ENV_HINTS: "1"
+
+  - name: Check the black service is running
+    assert:
+      that:
+        - start_result is success
+
+  - name: Start the black service when already started
+    community.general.homebrew_services:
+      name: black
+      state: present
+    register: start_result
+    environment:
+      HOMEBREW_NO_ENV_HINTS: "1"
+
+  - name: Check for idempotency
+    assert:
+      that:
+        - start_result.changed == 0
+
+  - name: Restart the black service
+    community.general.homebrew_services:
+      name: black
+      state: restarted
+    register: restart_result
+    environment:
+      HOMEBREW_NO_ENV_HINTS: "1"
+
+  - name: Check the black service is restarted
+    assert:
+      that:
+        - restart_result is success
+
+  - name: Stop the black service
+    community.general.homebrew_services:
+      name: black
+      state: present
+    register: stop_result
+    environment:
+      HOMEBREW_NO_ENV_HINTS: "1"
+
+  - name: Check the black service is stopped
+    assert:
+      that:
+        - stop_result is success