automation/deployer/roles/host/tasks/encrypted_drive.yml

# 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
  become: true 
  notify: 
  - Restart MySQL 
  - Restart PostgreSQL
  - Restart Docker