--- # beef up shell hosts dsk_size: 40 mem_size: 8192 num_cpus: 4 firewall_in: - {proto: tcp, port: 22} - {proto: tcp, port: 80} - {proto: tcp, port: 443} - {proto: tcp, port: 9100, from: [62.78.229.29/32]} ssh_hostnames: - shell.foo.sh