typhoon/bare-metal/flatcar-linux/kubernetes/variables.tf

167 lines
4.4 KiB
HCL

variable "cluster_name" {
type = string
description = "Unique cluster name"
}
# bare-metal
variable "matchbox_http_endpoint" {
type = string
description = "Matchbox HTTP read-only endpoint (e.g. http://matchbox.example.com:8080)"
}
variable "os_channel" {
type = string
description = "Channel for a Flatcar Linux (flatcar-stable, flatcar-beta, flatcar-alpha)"
validation {
condition = contains(["flatcar-stable", "flatcar-beta", "flatcar-alpha"], var.os_channel)
error_message = "The os_channel must be flatcar-stable, flatcar-beta, or flatcar-alpha."
}
}
variable "os_version" {
type = string
description = "Version of Flatcar Linux to PXE and install (e.g. 2079.5.1)"
}
# machines
variable "controllers" {
type = list(object({
name = string
mac = string
domain = string
}))
description = <<EOD
List of controller machine details (unique name, identifying MAC address, FQDN)
[{ name = "node1", mac = "52:54:00:a1:9c:ae", domain = "node1.example.com"}]
EOD
}
variable "workers" {
type = list(object({
name = string
mac = string
domain = string
}))
description = <<EOD
List of worker machine details (unique name, identifying MAC address, FQDN)
[
{ name = "node2", mac = "52:54:00:b2:2f:86", domain = "node2.example.com"},
{ name = "node3", mac = "52:54:00:c3:61:77", domain = "node3.example.com"}
]
EOD
default = []
}
variable "snippets" {
type = map(list(string))
description = "Map from machine names to lists of Container Linux Config snippets"
default = {}
}
variable "worker_node_labels" {
type = map(list(string))
description = "Map from worker names to lists of initial node labels"
default = {}
}
variable "worker_node_taints" {
type = map(list(string))
description = "Map from worker names to lists of initial node taints"
default = {}
}
# configuration
variable "k8s_domain_name" {
type = string
description = "Controller DNS name which resolves to a controller instance. Workers and kubeconfig's will communicate with this endpoint (e.g. cluster.example.com)"
}
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 "network_mtu" {
type = number
description = "CNI interface MTU (applies to calico only)"
default = 1480
}
variable "network_ip_autodetection_method" {
type = string
description = "Method to autodetect the host IPv4 address (applies to calico only)"
default = "first-found"
}
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"
}
# optional
variable "download_protocol" {
type = string
description = "Protocol iPXE should use to download the kernel and initrd. Defaults to https, which requires iPXE compiled with crypto support. Unused if cached_install is true."
default = "https"
}
variable "cached_install" {
type = bool
description = "Whether Flatcar Linux should PXE boot and install from matchbox /assets cache. Note that the admin must have downloaded the os_version into matchbox assets."
default = false
}
variable "install_disk" {
type = string
default = "/dev/sda"
description = "Disk device to which the install profiles should install Flatcar Linux (e.g. /dev/sda)"
}
variable "kernel_args" {
type = list(string)
description = "Additional kernel arguments to provide at PXE boot."
default = []
}
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
}
# 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"
}