variables.tf

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

variable "api_servers" {
  type        = list(string)
  description = "List of URLs used to reach kube-apiserver"
}

variable "etcd_servers" {
  type        = list(string)
  description = "List of URLs used to reach etcd servers."
}

# optional

variable "kv_version" {
  type        = string
  description = "kube-vip version"
  default     = "v0.4.4"
}

variable "kv_interface" {
  type        = string
  description = "Set the INTERFACE name to the name of the interface on the control plane(s) which will announce the VIP. In many Linux distributions this can be found with the 'ip a' command."
  default     = "eno1"
}

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

variable "network_mtu" {
  type        = number
  description = "CNI interface MTU (only applies to calico)"
  default     = 1500
}

variable "network_encapsulation" {
  type        = string
  description = "Network encapsulation mode either ipip or vxlan (only applies to calico)"
  default     = "ipip"
}

variable "network_ip_autodetection_method" {
  type        = string
  description = "Method to autodetect the host IPv4 address (only applies to calico)"
  default     = "first-found"
}

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

variable "service_cidr" {
  type        = string
  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.
EOD
  default     = "10.3.0.0/24"
}


variable "container_images" {
  type        = map(string)
  description = "Container images to use"

  default = {
    calico                  = "quay.io/calico/node:v3.23.1"
    calico_cni              = "quay.io/calico/cni:v3.23.1"
    cilium_agent            = "quay.io/cilium/cilium:v1.11.6"
    cilium_operator         = "quay.io/cilium/operator-generic:v1.11.6"
    coredns                 = "k8s.gcr.io/coredns/coredns:v1.8.6"
    flannel                 = "quay.io/coreos/flannel:v0.15.1"
    flannel_cni             = "quay.io/poseidon/flannel-cni:v0.4.2"
    kube_apiserver          = "k8s.gcr.io/kube-apiserver:v1.24.2"
    kube_controller_manager = "k8s.gcr.io/kube-controller-manager:v1.24.2"
    kube_scheduler          = "k8s.gcr.io/kube-scheduler:v1.24.2"
    kube_proxy              = "k8s.gcr.io/kube-proxy:v1.24.2"
  }
}

variable "enable_reporting" {
  type        = bool
  description = "Enable usage or analytics reporting to upstream component owners (Tigera: Calico)"
  default     = false
}

variable "enable_aggregation" {
  type        = bool
  description = "Enable the Kubernetes Aggregation Layer (defaults to true)"
  default     = true
}

variable "daemonset_tolerations" {
  type        = list(string)
  description = "List of additional taint keys kube-system DaemonSets should tolerate (e.g. ['custom-role', 'gpu-role'])"
  default     = []
}

# unofficial, temporary, may be removed without notice

variable "external_apiserver_port" {
  type        = number
  description = "External kube-apiserver port (e.g. 6443 to match internal kube-apiserver port)"
  default     = 6443
}

variable "cluster_domain_suffix" {
  type        = string
  description = "Queries for domains with the suffix will be answered by kube-dns"
  default     = "cluster.local"
}