158 lines
3.7 KiB
HCL
158 lines
3.7 KiB
HCL
variable "cluster_name" {
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type = string
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description = "Unique cluster name (prepended to dns_zone)"
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}
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# AWS
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variable "dns_zone" {
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type = string
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description = "AWS Route53 DNS Zone (e.g. aws.example.com)"
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}
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variable "dns_zone_id" {
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type = string
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description = "AWS Route53 DNS Zone ID (e.g. Z3PAABBCFAKEC0)"
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}
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# instances
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variable "controller_count" {
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type = number
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description = "Number of controllers (i.e. masters)"
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default = 1
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}
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variable "worker_count" {
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type = number
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description = "Number of workers"
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default = 1
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}
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variable "controller_type" {
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type = string
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description = "EC2 instance type for controllers"
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default = "t3.small"
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}
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variable "worker_type" {
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type = string
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description = "EC2 instance type for workers"
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default = "t3.small"
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}
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variable "os_image" {
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type = string
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description = "AMI channel for a Container Linux derivative (flatcar-stable, flatcar-beta, flatcar-alpha, flatcar-edge)"
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default = "flatcar-stable"
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}
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variable "disk_size" {
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type = number
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description = "Size of the EBS volume in GB"
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default = 40
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}
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variable "disk_type" {
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type = string
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description = "Type of the EBS volume (e.g. standard, gp2, io1)"
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default = "gp2"
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}
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variable "disk_iops" {
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type = number
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description = "IOPS of the EBS volume (e.g. 100)"
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default = 0
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}
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variable "worker_price" {
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type = number
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description = "Spot price in USD for worker instances or 0 to use on-demand instances"
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default = 0
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}
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variable "worker_target_groups" {
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type = list(string)
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description = "Additional target group ARNs to which worker instances should be added"
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default = []
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}
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variable "controller_snippets" {
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type = list(string)
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description = "Controller Container Linux Config snippets"
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default = []
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}
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variable "worker_snippets" {
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type = list(string)
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description = "Worker Container Linux Config snippets"
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default = []
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}
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# configuration
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variable "ssh_authorized_key" {
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type = string
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description = "SSH public key for user 'core'"
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}
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variable "networking" {
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type = string
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description = "Choice of networking provider (calico or flannel)"
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default = "calico"
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}
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variable "network_mtu" {
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type = number
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description = "CNI interface MTU (applies to calico only). Use 8981 if using instances types with Jumbo frames."
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default = 1480
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}
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variable "host_cidr" {
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type = string
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description = "CIDR IPv4 range to assign to EC2 nodes"
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default = "10.0.0.0/16"
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}
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variable "pod_cidr" {
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type = string
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description = "CIDR IPv4 range to assign Kubernetes pods"
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default = "10.2.0.0/16"
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}
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variable "service_cidr" {
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type = string
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description = <<EOD
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CIDR IPv4 range to assign Kubernetes services.
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The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
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EOD
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default = "10.3.0.0/16"
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}
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variable "enable_reporting" {
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type = bool
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description = "Enable usage or analytics reporting to upstreams (Calico)"
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default = false
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}
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variable "enable_aggregation" {
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type = bool
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description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
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default = false
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}
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variable "worker_node_labels" {
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type = list(string)
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description = "List of initial worker node labels"
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default = []
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}
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# unofficial, undocumented, unsupported
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variable "cluster_domain_suffix" {
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type = string
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description = "Queries for domains with the suffix will be answered by CoreDNS. Default is cluster.local (e.g. foo.default.svc.cluster.local)"
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default = "cluster.local"
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}
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