fix name

tasks/install.yml

@@ -27,7 +27,7 @@
       group: "{{ mongodb_system_group }}"
     notify: __mongod_restart
 
-  - name: Create db storage dir at '{{ mongodb_storage_dbpath }}'
+  - name: Create required directories
     file:
       path: "{{ item }}"
       owner: "{{ mongodb_system_user }}"