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variables.tf
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variables.tf
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/**
* Copyright 2018 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This file was automatically generated from a template in ./autogen
variable "project_id" {
type = string
description = "The project ID to host the cluster in (required)"
}
variable "name" {
type = string
description = "The name of the cluster (required)"
}
variable "description" {
type = string
description = "The description of the cluster"
default = ""
}
variable "regional" {
type = bool
description = "Whether is a regional cluster (zonal cluster if set false. WARNING: changing this after cluster creation is destructive!)"
default = true
}
variable "region" {
type = string
description = "The region to host the cluster in (optional if zonal cluster / required if regional)"
default = null
}
variable "zones" {
type = list(string)
description = "The zones to host the cluster in (optional if regional cluster / required if zonal)"
default = []
}
variable "network" {
type = string
description = "The VPC network to host the cluster in (required)"
}
variable "network_project_id" {
type = string
description = "The project ID of the shared VPC's host (for shared vpc support)"
default = ""
}
variable "subnetwork" {
type = string
description = "The subnetwork to host the cluster in (required)"
}
variable "kubernetes_version" {
type = string
description = "The Kubernetes version of the masters. If set to 'latest' it will pull latest available version in the selected region."
default = "latest"
}
variable "node_version" {
type = string
description = "The Kubernetes version of the node pools. Defaults kubernetes_version (master) variable and can be overridden for individual node pools by setting the `version` key on them. Must be empyty or set the same as master at cluster creation."
default = ""
}
variable "master_authorized_networks" {
type = list(object({ cidr_block = string, display_name = string }))
description = "List of master authorized networks. If none are provided, disallow external access (except the cluster node IPs, which GKE automatically whitelists)."
default = []
}
variable "horizontal_pod_autoscaling" {
type = bool
description = "Enable horizontal pod autoscaling addon"
default = true
}
variable "http_load_balancing" {
type = bool
description = "Enable httpload balancer addon"
default = true
}
variable "network_policy" {
type = bool
description = "Enable network policy addon"
default = true
}
variable "network_policy_provider" {
type = string
description = "The network policy provider."
default = "CALICO"
}
variable "maintenance_start_time" {
type = string
description = "Time window specified for daily maintenance operations in RFC3339 format"
default = "05:00"
}
variable "ip_range_pods" {
type = string
description = "The _name_ of the secondary subnet ip range to use for pods"
}
variable "ip_range_services" {
type = string
description = "The _name_ of the secondary subnet range to use for services"
}
variable "initial_node_count" {
type = number
description = "The number of nodes to create in this cluster's default node pool."
default = 0
}
variable "remove_default_node_pool" {
type = bool
description = "Remove default node pool while setting up the cluster"
default = false
}
variable "disable_legacy_metadata_endpoints" {
type = bool
description = "Disable the /0.1/ and /v1beta1/ metadata server endpoints on the node. Changing this value will cause all node pools to be recreated."
default = true
}
variable "node_pools" {
type = list(map(string))
description = "List of maps containing node pools"
default = [
{
name = "default-node-pool"
},
]
}
variable "node_pools_labels" {
type = map(map(string))
description = "Map of maps containing node labels by node-pool name"
# Default is being set in variables_defaults.tf
default = {
all = {}
default-node-pool = {}
}
}
variable "node_pools_metadata" {
type = map(map(string))
description = "Map of maps containing node metadata by node-pool name"
# Default is being set in variables_defaults.tf
default = {
all = {}
default-node-pool = {}
}
}
variable "cluster_autoscaling" {
type = object({
enabled = bool
min_cpu_cores = number
max_cpu_cores = number
min_memory_gb = number
max_memory_gb = number
})
default = {
enabled = false
max_cpu_cores = 0
min_cpu_cores = 0
max_memory_gb = 0
min_memory_gb = 0
}
description = "Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling)"
}
variable "node_pools_taints" {
type = map(list(object({ key = string, value = string, effect = string })))
description = "Map of lists containing node taints by node-pool name"
# Default is being set in variables_defaults.tf
default = {
all = []
default-node-pool = []
}
}
variable "node_pools_tags" {
type = map(list(string))
description = "Map of lists containing node network tags by node-pool name"
# Default is being set in variables_defaults.tf
default = {
all = []
default-node-pool = []
}
}
variable "node_pools_oauth_scopes" {
type = map(list(string))
description = "Map of lists containing node oauth scopes by node-pool name"
# Default is being set in variables_defaults.tf
default = {
all = ["https://www.googleapis.com/auth/cloud-platform"]
default-node-pool = []
}
}
variable "stub_domains" {
type = map(list(string))
description = "Map of stub domains and their resolvers to forward DNS queries for a certain domain to an external DNS server"
default = {}
}
variable "upstream_nameservers" {
type = list(string)
description = "If specified, the values replace the nameservers taken by default from the node’s /etc/resolv.conf"
default = []
}
variable "non_masquerade_cidrs" {
type = list(string)
description = "List of strings in CIDR notation that specify the IP address ranges that do not use IP masquerading."
default = ["10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16"]
}
variable "ip_masq_resync_interval" {
type = string
description = "The interval at which the agent attempts to sync its ConfigMap file from the disk."
default = "60s"
}
variable "ip_masq_link_local" {
type = bool
description = "Whether to masquerade traffic to the link-local prefix (169.254.0.0/16)."
default = false
}
variable "configure_ip_masq" {
description = "Enables the installation of ip masquerading, which is usually no longer required when using aliasied IP addresses. IP masquerading uses a kubectl call, so when you have a private cluster, you will need access to the API server."
default = false
}
variable "logging_service" {
type = string
description = "The logging service that the cluster should write logs to. Available options include logging.googleapis.com, logging.googleapis.com/kubernetes (beta), and none"
default = "logging.googleapis.com"
}
variable "monitoring_service" {
type = string
description = "The monitoring service that the cluster should write metrics to. Automatically send metrics from pods in the cluster to the Google Cloud Monitoring API. VM metrics will be collected by Google Compute Engine regardless of this setting Available options include monitoring.googleapis.com, monitoring.googleapis.com/kubernetes (beta) and none"
default = "monitoring.googleapis.com"
}
variable "create_service_account" {
type = bool
description = "Defines if service account specified to run nodes should be created."
default = true
}
variable "grant_registry_access" {
type = bool
description = "Grants created cluster-specific service account storage.objectViewer role."
default = false
}
variable "registry_project_id" {
type = string
description = "Project holding the Google Container Registry. If empty, we use the cluster project. If grant_registry_access is true, storage.objectViewer role is assigned on this project."
default = ""
}
variable "service_account" {
type = string
description = "The service account to run nodes as if not overridden in `node_pools`. The create_service_account variable default value (true) will cause a cluster-specific service account to be created."
default = ""
}
variable "basic_auth_username" {
type = string
description = "The username to be used with Basic Authentication. An empty value will disable Basic Authentication, which is the recommended configuration."
default = ""
}
variable "basic_auth_password" {
type = string
description = "The password to be used with Basic Authentication."
default = ""
}
variable "issue_client_certificate" {
type = bool
description = "Issues a client certificate to authenticate to the cluster endpoint. To maximize the security of your cluster, leave this option disabled. Client certificates don't automatically rotate and aren't easily revocable. WARNING: changing this after cluster creation is destructive!"
default = false
}
variable "cluster_ipv4_cidr" {
default = ""
description = "The IP address range of the kubernetes pods in this cluster. Default is an automatically assigned CIDR."
}
variable "cluster_resource_labels" {
type = map(string)
description = "The GCE resource labels (a map of key/value pairs) to be applied to the cluster"
default = {}
}
variable "skip_provisioners" {
type = bool
description = "Flag to skip all local-exec provisioners. It breaks `stub_domains` and `upstream_nameservers` variables functionality."
default = false
}
variable "deploy_using_private_endpoint" {
type = bool
description = "(Beta) A toggle for Terraform and kubectl to connect to the master's internal IP address during deployment."
default = false
}
variable "enable_private_endpoint" {
type = bool
description = "(Beta) Whether the master's internal IP address is used as the cluster endpoint"
default = false
}
variable "enable_private_nodes" {
type = bool
description = "(Beta) Whether nodes have internal IP addresses only"
default = false
}
variable "master_ipv4_cidr_block" {
type = string
description = "(Beta) The IP range in CIDR notation to use for the hosted master network"
default = "10.0.0.0/28"
}
variable "istio" {
description = "(Beta) Enable Istio addon"
default = false
}
variable "default_max_pods_per_node" {
description = "The maximum number of pods to schedule per node"
default = 110
}
variable "database_encryption" {
description = "Application-layer Secrets Encryption settings. The object format is {state = string, key_name = string}. Valid values of state are: \"ENCRYPTED\"; \"DECRYPTED\". key_name is the name of a CloudKMS key."
type = list(object({ state = string, key_name = string }))
default = [{
state = "DECRYPTED"
key_name = ""
}]
}
variable "cloudrun" {
description = "(Beta) Enable CloudRun addon"
default = false
}
variable "enable_binary_authorization" {
description = "Enable BinAuthZ Admission controller"
default = false
}
variable "pod_security_policy_config" {
description = "enabled - Enable the PodSecurityPolicy controller for this cluster. If enabled, pods must be valid under a PodSecurityPolicy to be created."
default = [{
"enabled" = false
}]
}
variable "resource_usage_export_dataset_id" {
type = string
description = "The dataset id for which network egress metering for this cluster will be enabled. If enabled, a daemonset will be created in the cluster to meter network egress traffic."
default = ""
}
variable "node_metadata" {
description = "Specifies how node metadata is exposed to the workload running on the node"
default = "SECURE"
type = string
}
variable "sandbox_enabled" {
type = bool
description = "(Beta) Enable GKE Sandbox (Do not forget to set `image_type` = `COS_CONTAINERD` and `node_version` = `1.12.7-gke.17` or later to use it)."
default = false
}
variable "enable_intranode_visibility" {
type = bool
description = "Whether Intra-node visibility is enabled for this cluster. This makes same node pod to pod traffic visible for VPC network"
default = false
}
variable "enable_vertical_pod_autoscaling" {
type = bool
description = "Vertical Pod Autoscaling automatically adjusts the resources of pods controlled by it"
default = false
}
variable "identity_namespace" {
description = "Workload Identity namespace"
type = string
default = ""
}
variable "authenticator_security_group" {
type = string
description = "The name of the RBAC security group for use with Google security groups in Kubernetes RBAC. Group name must be in format gke-security-groups@yourdomain.com"
default = null
}
variable "release_channel" {
type = string
description = "(Beta) The release channel of this cluster. Accepted values are `UNSPECIFIED`, `RAPID`, `REGULAR` and `STABLE`. Defaults to `UNSPECIFIED`."
default = null
}
variable "enable_shielded_nodes" {
type = bool
description = "Enable Shielded Nodes features on all nodes in this cluster"
default = false
}