metal: children: masters: hosts: metal0: {ansible_host: 192.168.1.110, mac: '00:23:24:d1:f5:69', disk: sda, network_interface: eno1} metal1: {ansible_host: 192.168.1.111, mac: '00:23:24:d1:f3:f0', disk: sda, network_interface: eno1} metal2: {ansible_host: 192.168.1.112, mac: '00:23:24:e7:04:60', disk: sda, network_interface: eno1} workers: hosts: metal3: {ansible_host: 192.168.1.113, mac: '00:23:24:d1:f4:d6', disk: sda, network_interface: eno1}