sovereign/roles/xmpp/defaults/main.yml

secret_root: '{{ inventory_dir | realpath }}'
secret_name: 'secret'
secret: '{{ secret_root + "/" + secret_name }}'

prosody_admin: "{{ admin_email }}"
prosody_accounts:
  - name: "{{ main_user_name }}"
    domain: "{{ domain }}"
    password: "{{ lookup('password', secret + '/' + 'xmpp_main_user_password length=32') }}"