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typhoon/digital-ocean/flatcar-linux/kubernetes/variables.tf
Dalton Hubble 2325a503e1 Add an `install_container_networking` variable (default `true`)
* When `true`, the chosen container `networking` provider is installed during cluster bootstrap
* Set `false` to self-manage the container networking provider. This allows flannel, Calico, or Cilium
to be managed via Terraform (like any other Kubernetes resources). Nodes will be NotReady until you
apply the self-managed container networking provider. This may become the default in future.
2024-02-24 18:49:38 -08:00

115 lines
2.7 KiB
HCL

variable "cluster_name" {
type = string
description = "Unique cluster name (prepended to dns_zone)"
}
# Digital Ocean
variable "region" {
type = string
description = "Digital Ocean region (e.g. nyc1, sfo2, fra1, tor1)"
}
variable "dns_zone" {
type = string
description = "Digital Ocean domain (i.e. DNS zone) (e.g. do.example.com)"
}
# 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 = "Droplet type for controllers (e.g. s-2vcpu-2gb, s-2vcpu-4gb, s-4vcpu-8gb)."
default = "s-2vcpu-2gb"
}
variable "worker_type" {
type = string
description = "Droplet type for workers (e.g. s-1vcpu-2gb, s-2vcpu-2gb)"
default = "s-1vcpu-2gb"
}
variable "os_image" {
type = string
description = "Flatcar Linux image for instances (e.g. custom-image-id)"
}
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_fingerprints" {
type = list(string)
description = "SSH public key fingerprints. (e.g. see `ssh-add -l -E md5`)"
}
variable "networking" {
type = string
description = "Choice of networking provider (flannel, calico, or cilium)"
default = "cilium"
}
variable "install_container_networking" {
type = bool
description = "Install the chosen networking provider during cluster bootstrap (use false to self-manage)"
default = true
}
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
}
# 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"
}