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variable "cluster_name" {
type = "string"
description = "Unique cluster name (prepended to dns_zone)"
}
# AWS
variable "dns_zone" {
type = "string"
description = "AWS DNS Zone (e.g. aws.example.com)"
}
variable "dns_zone_id" {
type = "string"
description = "AWS DNS Zone ID (e.g. Z3PAABBCFAKEC0)"
}
# instances
variable "controller_count" {
type = "string"
default = "1"
description = "Number of controllers (i.e. masters)"
}
variable "worker_count" {
type = "string"
default = "1"
description = "Number of workers"
}
variable "controller_type" {
type = "string"
default = "t2.small"
description = "EC2 instance type for controllers"
}
variable "worker_type" {
type = "string"
default = "t2.small"
description = "EC2 instance type for workers"
}
variable "disk_size" {
type = "string"
default = "40"
description = "Size of the EBS volume in GB"
}
variable "disk_type" {
type = "string"
default = "gp2"
description = "Type of the EBS volume (e.g. standard, gp2, io1)"
}
variable "disk_iops" {
type = "string"
default = "0"
description = "IOPS of the EBS volume (e.g. 100)"
}
variable "worker_price" {
type = "string"
default = ""
description = "Spot price in USD for autoscaling group spot instances. Leave as default empty string for autoscaling group to use on-demand instances. Note, switching in-place from spot to on-demand is not possible: https://github.com/terraform-providers/terraform-provider-aws/issues/4320"
}
# configuration
variable "ssh_authorized_key" {
type = "string"
description = "SSH public key for user 'fedora'"
}
variable "asset_dir" {
description = "Path to a directory where generated assets should be placed (contains secrets)"
type = "string"
}
variable "networking" {
description = "Choice of networking provider (calico or flannel)"
type = "string"
default = "calico"
}
variable "network_mtu" {
description = "CNI interface MTU (applies to calico only). Use 8981 if using instances types with Jumbo frames."
type = "string"
default = "1480"
}
variable "host_cidr" {
description = "CIDR IPv4 range to assign to EC2 nodes"
type = "string"
default = "10.0.0.0/16"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = "string"
default = "10.2.0.0/16"
}
variable "service_cidr" {
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
type = "string"
default = "10.3.0.0/16"
}
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = "string"
default = "cluster.local"
}
variable "enable_reporting" {
type = "string"
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
}