all: children: archlinux_servers: children: container_hosts: download_clients: container_hosts: hosts: ch01.balsillie.house: ch02.balsillie.house: download_clients: hosts: dl01.balsillie.house: firewalls: hosts: firewall.balsillie.house: hypervisors: hosts: hv01.balsillie.house: hv02.balsillie.house: