Add logic for setting root password back, with secrets

ansible/roles/common/tasks/main.yaml

@@ -3,6 +3,12 @@
     name: "{{ inventory_hostname }}"
     use: systemd
 
+- name: Set root password
+  user:
+    name: root
+    password: "{{ root_pw | password_hash('sha512') }}"
+  when: root_pw | default(false)
+
 - name: Install firewalld on RedHat family
   package:
     name: firewalld