controller: hosts: localhost: {ansible_connection: local} metal: hosts: metal0: {ansible_host: 192.168.1.110, mac: 00-23-24-d1-f4-d6} metal1: {ansible_host: 192.168.1.111, mac: 00-23-24-e7-04-60} metal2: {ansible_host: 192.168.1.112, mac: 00-23-24-d1-f5-69} metal3: {ansible_host: 192.168.1.113, mac: 00-23-24-d1-f3-f0} vars: ansible_user: root ansible_ssh_private_key_file: ~/.ssh/id_ed25519