variable "cluster_name" {
  type        = "string"
  description = "Cluster name"
}

variable "zone" {
  type        = "string"
  description = "Google Cloud zone (e.g. us-central1-f, see `gcloud compute zones list`)"
}

variable "dns_zone" {
  type        = "string"
  description = "Google Cloud DNS Zone (e.g. google-cloud.dghubble.io)"
}

variable "dns_zone_name" {
  type        = "string"
  description = "Google Cloud DNS Zone name (e.g. google-cloud-prod-zone)"
}

variable "ssh_authorized_key" {
  type        = "string"
  description = "SSH public key for user 'core'"
}

variable "machine_type" {
  type        = "string"
  default     = "n1-standard-1"
  description = "Machine type for compute instances (see `gcloud compute machine-types list`)"
}

variable "os_image" {
  type        = "string"
  description = "OS image from which to initialize the disk (see `gcloud compute images list`)"
}

variable "controller_count" {
  type        = "string"
  default     = "1"
  description = "Number of controllers"
}

variable "worker_count" {
  type        = "string"
  default     = "1"
  description = "Number of workers"
}

variable "controller_preemptible" {
  type        = "string"
  default     = "false"
  description = "If enabled, Compute Engine will terminate controllers randomly within 24 hours"
}

variable "worker_preemptible" {
  type        = "string"
  default     = "false"
  description = "If enabled, Compute Engine will terminate workers randomly within 24 hours"
}

# bootkube assets

variable "asset_dir" {
  description = "Path to a directory where generated assets should be placed (contains secrets)"
  type        = "string"
}

variable "networking" {
  description = "Choice of networking provider (flannel or calico)"
  type        = "string"
  default     = "flannel"
}

variable "pod_cidr" {
  description = "CIDR IP range to assign Kubernetes pods"
  type        = "string"
  default     = "10.2.0.0/16"
}

variable "service_cidr" {
  description = <<EOD
CIDR IP range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for kube-dns, the 15th IP will be reserved for self-hosted etcd, and the 200th IP will be reserved for bootstrap self-hosted etcd.
EOD

  type    = "string"
  default = "10.3.0.0/16"
}