Roles only run on intended supported OS, and minor cleanup of when statements to match

roles/ensure_podman/tasks/main.yml

@@ -1,7 +1,17 @@
 ---
 # tasks file for ensure_podman
+- name: Assert Target OS Is Supported
+  when:
+    - ansible_facts["system"] is defined
+  ansible.builtin.assert:
+    fail_msg: "Unsupported OS: {{ ansible_facts['distribution'] | default('unknown') }}"
+    quiet: true
+    that:
+      - ansible_facts["system"] == 'Linux'
+      - >-
+        ansible_facts["distribution"] in ['AlmaLinux', 'CentOS', 'Debian',
+        'Fedora', 'OracleLinux', 'Rocky', 'Ubuntu']
 - name: Include Variables
-  when: ["ansible_facts[\"system\"] == 'Linux'"]
   ansible.builtin.include_vars:
     file: '{{ lookup("first_found", findme) }}'
     name: ensure_podman
@@ -23,17 +33,14 @@
       errors: ignore
 - name: Package Discovery
   when:
-    - ansible_facts["system"] == 'Linux'
     - ansible_facts["packages"] is not defined
   ansible.builtin.package_facts:
 - name: Service Discovery
   when:
-    - ansible_facts["system"] == 'Linux'
     - ansible_facts["services"] is not defined
   ansible.builtin.service_facts:
 - name: Ensure Packages
   when:
-    - ansible_facts["system"] == 'Linux'
     - ensure_podman is defined
     - ensure_podman.package_list is defined
     - ensure_podman.package_list is iterable
@@ -46,7 +53,6 @@
   notify: [Ensure_Podman.Package_Facts, Ensure_Podman.Service_Facts]
 - name: Ensure Services
   when:
-    - ansible_facts["system"] == 'Linux'
     - ensure_podman is defined
     - ensure_podman.service_list is defined
     - ensure_podman.service_list is iterable
@@ -60,7 +66,6 @@
   notify: [Ensure_Podman.Package_Facts, Ensure_Podman.Service_Facts]
 - name: Ensure Cgroup V2 Have Not Been Disabled
   when:
-    - ansible_facts["system"] == 'Linux'
     - ensure_podman is defined
     - ansible_facts["distribution"] == 'Fedora'
     - ansible_facts["distribution_major_version"] is version('32', '>=')
@@ -71,7 +76,6 @@
       grubby --update-kernel=ALL --remove-args=systemd.unified_cgroup_hierarchy=0
 - name: Reboot To Disable Cgroups V1
   when:
-    - ansible_facts["system"] == 'Linux'
     - ensure_podman is defined
     - ansible_facts["distribution"] == 'Fedora'
     - ansible_facts["distribution_major_version"] is version('32', '>=')
@@ -80,3 +84,27 @@
   ansible.builtin.reboot:
 - name: Flush Handlers
   ansible.builtin.meta: flush_handlers
+- name: Post Verification Service Discovery
+  when:
+    - ensure_podman is defined
+    - ensure_podman.service_list is defined
+    - ensure_podman.service_list is iterable
+  ansible.builtin.service_facts:
+- name: Assert Managed Services Are Active
+  when:
+    - ensure_podman is defined
+    - ensure_podman.service_list is defined
+    - ensure_podman.service_list is iterable
+  ansible.builtin.assert:
+    fail_msg: "Service {{ item.name }} is not active"
+    quiet: true
+    that:
+      - >-
+        item.state != 'started' or
+        (ansible_facts['services'][item.name ~ '.service'] is defined and
+        ansible_facts['services'][item.name ~ '.service']['state'] == 'running') or
+        (ansible_facts['services'][item.name] is defined and
+        ansible_facts['services'][item.name]['state'] == 'running')
+  loop: "{{ ensure_podman.service_list }}"
+  loop_control:
+    label: "{{ item.name }} will be verified"