try to add databases

tasks/add_db_with_auth.yml

@@ -0,0 +1,10 @@
+---
+- name: Create databases
+  mongodb_user:
+    login_user: "{{ mongodb_user_admin_name }}"
+    login_password: "{{ mongodb_user_admin_password }}"
+    database: unifi
+    name: unifiadm
+    password: password
+    roles: readWrite
+    state: present

tasks/main.yml

@@ -12,6 +12,13 @@
   register: __mongodb_admin_check
   changed_when: False
   failed_when: False
+  when: mongodb_rbac_enabled
 
 - include_tasks: auth.yml
-  when: not __mongodb_admin_check.rc == 0
+  when: mongodb_rbac_enabled and not __mongodb_admin_check.rc == 0
+
+- include_tasks: add_db_with_auth.yml
+  when: mongodb_rbac_enabled
+
+- include_tasks: add_db.yml
+  when: not mongodb_rbac_enabled