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variable "cluster_name" {
type = "string"
description = "Unique cluster name (prepended to dns_zone)"
}
# Google Cloud
variable "region" {
type = "string"
description = "Google Cloud Region (e.g. us-central1, see `gcloud compute regions list`)"
}
variable "dns_zone" {
type = "string"
description = "Google Cloud DNS Zone (e.g. google-cloud.example.com)"
}
variable "dns_zone_name" {
type = "string"
description = "Google Cloud DNS Zone name (e.g. example-zone)"
}
# 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 = "n1-standard-1"
description = "Machine type for controllers (see `gcloud compute machine-types list`)"
}
variable "worker_type" {
type = "string"
default = "n1-standard-1"
description = "Machine type for controllers (see `gcloud compute machine-types list`)"
}
variable "os_image" {
type = "string"
default = "coreos-stable"
description = "Container Linux image for compute instances (e.g. coreos-stable)"
}
variable "disk_size" {
type = "string"
default = "40"
description = "Size of the disk in GB"
}
variable "worker_preemptible" {
type = "string"
default = "false"
description = "If enabled, Compute Engine will terminate workers randomly within 24 hours"
}
variable "controller_clc_snippets" {
type = "list"
description = "Controller Container Linux Config snippets"
default = []
}
variable "worker_clc_snippets" {
type = "list"
description = "Worker Container Linux Config snippets"
default = []
}
# configuration
variable "ssh_authorized_key" {
type = "string"
description = "SSH public key for user 'core'"
}
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 (flannel or calico)"
type = "string"
default = "calico"
}
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"
}