added comment

deployer/roles/host/tasks/encrypted_drive.yml

@@ -1,10 +1,12 @@
 
+# Untested - not sure `stdin` works to give the password. 
+# Not sure it's secure.
 - name: "Open encrypted drive"
   commane: 
     cmd: "{{ encrypted_drive.command }}"
     stdin: "{{ encrypted_drive.password }}" # The drive's password
+    stdin_add_newline: yes # Ensure the stdin hits "Return"
     creates: "{{ www_path }}" # Will not run if path already exists
-    stdin_add_newline: yes
   become: true 
   notify: 
   - Restart MySQL