$os = "centos"
$box = "centos/7"
$num_instances = 9
$kube_node_instances = $num_instances
$etcd_instances = 1
$kube_master_instances = 1
$kube_node_instances_with_disks = true
$kube_node_instances_with_disks_size = "20G"
$kube_node_instances_with_disks_number = 2