base_domain          = "PUT_YOUR_DNS_DOMAIN_HERE"
public_cluster_ip    = "1.2.3.4"
network_ip_range     = "192.168.7.0/24"
network_mac_format   = "02:01:07:00:07:%02x"
cluster_name         = "__CLUSTER_NAME__"
bootstrap_nodes      = 1
worker_nodes         = 2
acme_account_email   = "your.username@redhat.com"