typhoon/azure/flatcar-linux/kubernetes/variables.tf

160 lines
4.0 KiB
HCL

variable "cluster_name" {
type = string
description = "Unique cluster name (prepended to dns_zone)"
}
# Azure
variable "region" {
type = string
description = "Azure Region (e.g. centralus , see `az account list-locations --output table`)"
}
variable "dns_zone" {
type = string
description = "Azure DNS Zone (e.g. azure.example.com)"
}
variable "dns_zone_group" {
type = string
description = "Resource group where the Azure DNS Zone resides (e.g. global)"
}
# instances
variable "controller_count" {
type = number
description = "Number of controllers (i.e. masters)"
default = 1
}
variable "worker_count" {
type = number
description = "Number of workers"
default = 1
}
variable "controller_type" {
type = string
description = "Machine type for controllers (see `az vm list-skus --location centralus`)"
default = "Standard_B2s"
}
variable "worker_type" {
type = string
description = "Machine type for workers (see `az vm list-skus --location centralus`)"
default = "Standard_D2as_v5"
}
variable "os_image" {
type = string
description = "Channel for a Container Linux derivative (flatcar-stable, flatcar-beta, flatcar-alpha)"
default = "flatcar-stable"
validation {
condition = contains(["flatcar-stable", "flatcar-beta", "flatcar-alpha"], var.os_image)
error_message = "The os_image must be flatcar-stable, flatcar-beta, or flatcar-alpha."
}
}
variable "disk_size" {
type = number
description = "Size of the disk in GB"
default = 30
}
variable "worker_priority" {
type = string
description = "Set worker priority to Spot to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time."
default = "Regular"
}
variable "controller_snippets" {
type = list(string)
description = "Controller Container Linux Config snippets"
default = []
}
variable "worker_snippets" {
type = list(string)
description = "Worker Container Linux Config snippets"
default = []
}
# configuration
variable "ssh_authorized_key" {
type = string
description = "SSH public key for user 'core'"
}
variable "networking" {
type = string
description = "Choice of networking provider (flannel, calico, or cilium)"
default = "cilium"
}
variable "host_cidr" {
type = string
description = "CIDR IPv4 range to assign to instances"
default = "10.0.0.0/16"
}
variable "pod_cidr" {
type = string
description = "CIDR IPv4 range to assign Kubernetes pods"
default = "10.2.0.0/16"
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
default = "10.3.0.0/16"
}
variable "enable_reporting" {
type = bool
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = false
}
variable "enable_aggregation" {
type = bool
description = "Enable the Kubernetes Aggregation Layer"
default = true
}
variable "worker_node_labels" {
type = list(string)
description = "List of initial worker node labels"
default = []
}
variable "arch" {
type = string
description = "Container architecture (amd64 or arm64)"
default = "amd64"
validation {
condition = var.arch == "amd64" || var.arch == "arm64"
error_message = "The arch must be amd64 or arm64."
}
}
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, undocumented, unsupported
variable "cluster_domain_suffix" {
type = string
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
default = "cluster.local"
}