--- all: children: single-hosts: rpi: # Hosts without special groups single-hosts: hosts: srv-print: ansible_host: 192.168.2.95 ansible_user: ansible # All RPI hosts rpi: hosts: children: rpi_ubuntu: rpi_rpios: # RPI hosts with RPIOS rpi_rpios: vars: ansible_user: pi hosts: octopi: ansible_host: 192.168.2.99 pihole: ansible_host: 192.168.2.20 naspi: ansible_host: 192.168.2.75 # piprint: # ansible_host: 192.168.2.95