Extracted the basic role from the madonsible playbook

tasks/users.yml

@@ -0,0 +1,16 @@
+---
+- name: "Add user {{ os_user.name }}"
+  user:
+    name: "{{ os_user.name }}"
+    comment: "{{ os_user.comment }}"
+    uid: "{{ os_user.uid }}"
+    shell: "{{ os_user.shell }}"
+    groups: "{{ os_user.groups }}"
+    state: "{{ os_user.state }}"
+  become: true
+
+- name: Copy local ssh key to authorized keys file
+  authorized_key:
+    user: "{{ os_user.name }}"
+    key: "{{ os_user.ssh_auth_key }}"
+  become: true