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typhoon/google-cloud/flatcar-linux/kubernetes/variables.tf
Dalton Hubble e97c1cc9e5 Enable Kubernetes aggregation by default
* Change `enable_aggregation` default from false to true
* These days, Kubernetes control plane components emit annoying
messages related to assumptions baked into the Kubernetes API
Aggregation Layer if you don't enable it. Further the conformance
tests force you to remember to enable it if you care about passing
those
* This change is motivated by eliminating annoyances, rather than
any enthusiasm for Kubernetes' aggregation features

Rel: https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/apiserver-aggregation/
2021-12-09 17:30:35 -08:00

138 lines
3.3 KiB
HCL

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 = 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 = "Machine type for controllers (see `gcloud compute machine-types list`)"
default = "n1-standard-1"
}
variable "worker_type" {
type = string
description = "Machine type for controllers (see `gcloud compute machine-types list`)"
default = "n1-standard-1"
}
variable "os_image" {
type = string
description = "Flatcar Linux image for compute instances (e.g. custom-image)"
}
variable "disk_size" {
type = number
description = "Size of the disk in GB"
default = 30
}
variable "worker_preemptible" {
type = bool
description = "If enabled, Compute Engine will terminate workers randomly within 24 hours"
default = false
}
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_authorized_key" {
type = string
description = "SSH public key for user 'core'"
}
variable "networking" {
type = string
description = "Choice of networking provider (flannel or calico)"
default = "calico"
}
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
}
variable "worker_node_labels" {
type = list(string)
description = "List of initial worker node labels"
default = []
}
# 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"
}
variable "daemonset_tolerations" {
type = list(string)
description = "List of additional taint keys kube-system DaemonSets should tolerate (e.g. ['custom-role', 'gpu-role'])"
default = []
}