env:
  children:
    env_fake:
      vars:
        ansible_host: localhost
        ansible_connection: local
      hosts:
        local:
        fake-client1-web1:
        fake-client1-web2:
        fake-client1-db:

roles:
  children:
    role_web:
        hosts:
            fake-client1-web1:
            fake-client1-web2:
        vars:
            ansible_user: root
    role_db:
        hosts:
            fake-client1-db:
        #vars:
        #    ansible_become: true
        #    ansible_become_pass: password