add more flexible versioning logic

defaults/main.yaml

@@ -1,2 +1,2 @@
 ---
-podman_version: "{{ '1.6.4' if ansible_facts['distribution_major_version'] == '7' else '4.4.1' if ansible_facts['distribution_major_version'] == '8' else '4.4.1' if ansible_facts['distribution_major_version'] == '9' }}"
+podman_version: ""

tasks/RedHat.yaml

@@ -1,5 +1,5 @@
 ---
-- name: Ensure podman version {{ podman_version }} installed
+- name: Ensure {{ podman_package }} installed
   yum:
-    name: "podman-{{ podman_version }}"
-    state: present
+    name: "{{ podman_package }}"
+    state: "{{ 'latest' if podman_version == 'latest' else 'present' }}"

tasks/main.yaml

@@ -1,3 +1,13 @@
 ---
+- name: Load a variable file based on the OS type
+  include_vars: "{{ lookup('first_found', params) }}"
+  vars:
+    params:
+      files:
+        - "{{ ansible_facts['distribution'] }}.yaml"
+        - "{{ ansible_facts['os_family'] }}.yaml"
+      paths:
+        - "vars"
+
 - name: Include podman install
   include_tasks: "{{ ansible_facts['os_family'] }}.yaml"

vars/RedHat.yaml

@@ -0,0 +1,2 @@
+podman_package_name: podman
+podman_package: "{{ podman_package_name + '-' + podman_version if (podman_version is defined and (podman_version != '*' and podman_version != '' and podman_version != 'latest')) else podman_package_name }}"