tasks/main.yml

@@ -1,4 +1,16 @@
 ---
+- include_vars: "{{ var_files }}"
+  vars:
+    var_files: "{{ lookup('first_found', params, errors='ignore') }}"
+    params:
+      files:
+        - "{{ ansible_lsb.id | default('') | lower }}.yml"
+        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version }}.yml"
+        - "{{ ansible_os_family | lower }}.yml"
+      paths:
+        - "vars"
+  when: var_files
+
 - include_tasks: install.yml
 - include_tasks: config.yml
 - name: Check where admin user already exists

vars/redhat-8.yml

@@ -0,0 +1,3 @@
+---
+__mongodb_ansible_deps:
+  - python3-pymongo