variable "prefix" { type = string } variable "zone" { type = string } variable "template_name" {} variable "username" {} variable "private_network_cidr" {} variable "machines" { description = "Cluster machines" type = map(object({ node_type = string cpu = string mem = string disk_size = number additional_disks = map(object({ size = number tier = string })) })) } variable "ssh_public_keys" { type = list(string) }