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variables.tf
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variables.tf
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variable "tags" {
description = "Additional tags (e.g. `map('BusinessUnit`,`XYZ`)"
type = map(string)
default = {}
}
#-------------------------------
# VPC Config for EKS Cluster
#-------------------------------
variable "vpc_id" {
description = "VPC Id"
type = string
}
variable "private_subnet_ids" {
description = "List of private subnets Ids for the cluster and worker nodes"
type = list(string)
default = []
}
variable "public_subnet_ids" {
description = "List of public subnets Ids for the worker nodes"
type = list(string)
default = []
}
variable "control_plane_subnet_ids" {
description = "A list of subnet IDs where the EKS cluster control plane (ENIs) will be provisioned. Used for expanding the pool of subnets used by nodes/node groups without replacing the EKS control plane"
type = list(string)
default = []
}
#-------------------------------
# EKS module variables (terraform-aws-modules/eks/aws)
#-------------------------------
variable "create_eks" {
description = "Create EKS cluster"
type = bool
default = true
}
variable "cluster_timeouts" {
description = "Create, update, and delete timeout configurations for the cluster"
type = map(string)
default = {}
}
variable "cluster_name" {
description = "EKS Cluster Name"
type = string
default = ""
}
variable "cluster_version" {
description = "Kubernetes `<major>.<minor>` version to use for the EKS cluster (i.e.: `1.24`)"
type = string
default = "1.24"
}
#-------------------------------
# EKS Cluster Security Groups
#-------------------------------
variable "create_cluster_security_group" {
description = "Toggle to create or assign cluster security group"
type = bool
default = true
}
variable "cluster_security_group_name" {
description = "Name to use on cluster security group created"
type = string
default = null
}
variable "cluster_security_group_use_name_prefix" {
description = "Determines whether cluster security group name (`cluster_security_group_name`) is used as a prefix"
type = bool
default = true
}
variable "cluster_security_group_description" {
description = "Description of the cluster security group created"
type = string
default = "EKS cluster security group"
}
variable "cluster_security_group_id" {
description = "Security group to be used if creation of cluster security group is turned off"
type = string
default = ""
}
variable "cluster_additional_security_group_ids" {
description = "List of additional, externally created security group IDs to attach to the cluster control plane"
type = list(string)
default = []
}
variable "cluster_security_group_additional_rules" {
description = "List of additional security group rules to add to the cluster security group created. Set `source_node_security_group = true` inside rules to set the `node_security_group` as source"
type = any
default = {}
}
variable "cluster_security_group_tags" {
description = "A map of additional tags to add to the cluster security group created"
type = map(string)
default = {}
}
#-------------------------------
# EKS Cluster VPC Config
#-------------------------------
variable "cluster_endpoint_public_access" {
description = "Indicates whether or not the EKS public API server endpoint is enabled. Default to EKS resource and it is true"
type = bool
default = true
}
variable "cluster_endpoint_private_access" {
description = "Indicates whether or not the EKS private API server endpoint is enabled. Default to EKS resource and it is false"
type = bool
default = false
}
variable "cluster_endpoint_public_access_cidrs" {
description = "List of CIDR blocks which can access the Amazon EKS public API server endpoint"
type = list(string)
default = ["0.0.0.0/0"]
}
#-------------------------------
# EKS Cluster ENCRYPTION
#-------------------------------
variable "cluster_kms_key_arn" {
description = "A valid EKS Cluster KMS Key ARN to encrypt Kubernetes secrets"
type = string
default = null
}
variable "cluster_kms_key_deletion_window_in_days" {
description = "The waiting period, specified in number of days (7 - 30). After the waiting period ends, AWS KMS deletes the KMS key"
type = number
default = 30
}
variable "cluster_kms_key_additional_admin_arns" {
description = "A list of additional IAM ARNs that should have FULL access (kms:*) in the KMS key policy"
type = list(string)
default = []
}
variable "enable_cluster_encryption" {
description = "Determines whether cluster encryption is enabled"
type = bool
default = true
}
variable "cluster_encryption_config" {
description = "Configuration block with encryption configuration for the cluster"
type = list(object({
provider_key_arn = string
resources = list(string)
}))
default = []
}
#-------------------------------
# EKS Cluster Kubernetes Network Config
#-------------------------------
variable "cluster_ip_family" {
description = "The IP family used to assign Kubernetes pod and service addresses. Valid values are `ipv4` (default) and `ipv6`. You can only specify an IP family when you create a cluster, changing this value will force a new cluster to be created"
type = string
default = "ipv4"
}
variable "cluster_service_ipv4_cidr" {
description = "The CIDR block to assign Kubernetes service IP addresses from. If you don't specify a block, Kubernetes assigns addresses from either the 10.100.0.0/16 or 172.20.0.0/16 CIDR blocks"
type = string
default = null
}
variable "cluster_service_ipv6_cidr" {
description = "The IPV6 Service CIDR block to assign Kubernetes service IP addresses"
type = string
default = null
}
#-------------------------------
# EKS Cluster CloudWatch Logging
#-------------------------------
variable "create_cloudwatch_log_group" {
description = "Determines whether a log group is created by this module for the cluster logs. If not, AWS will automatically create one if logging is enabled"
type = bool
default = false
}
variable "cluster_enabled_log_types" {
description = "A list of the desired control plane logging to enable"
type = list(string)
default = ["api", "audit", "authenticator", "controllerManager", "scheduler"]
}
variable "cloudwatch_log_group_retention_in_days" {
description = "Number of days to retain log events. Default retention - 90 days"
type = number
default = 90
}
variable "cloudwatch_log_group_kms_key_id" {
description = "If a KMS Key ARN is set, this key will be used to encrypt the corresponding log group. Please be sure that the KMS Key has an appropriate key policy (https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/encrypt-log-data-kms.html)"
type = string
default = null
}
#-------------------------------
# EKS Cluster IAM role
#-------------------------------
variable "create_iam_role" {
description = "Determines whether a an IAM role is created or to use an existing IAM role"
type = bool
default = true
}
variable "iam_role_arn" {
description = "Existing IAM role ARN for the cluster. Required if `create_iam_role` is set to `false`"
type = string
default = null
}
variable "iam_role_name" {
description = "Name to use on IAM role created"
type = string
default = null
}
variable "iam_role_path" {
description = "Cluster IAM role path"
type = string
default = null
}
variable "iam_role_description" {
description = "Description of the role"
type = string
default = null
}
variable "iam_role_permissions_boundary" {
description = "ARN of the policy that is used to set the permissions boundary for the IAM role"
type = string
default = null
}
variable "iam_role_additional_policies" {
description = "Additional policies to be added to the IAM role"
type = list(string)
default = []
}
variable "enable_irsa" {
description = "Determines whether to create an OpenID Connect Provider for EKS to enable IRSA"
type = bool
default = true
}
variable "openid_connect_audiences" {
description = "List of OpenID Connect audience client IDs to add to the IRSA provider"
type = list(string)
default = []
}
variable "custom_oidc_thumbprints" {
description = "Additional list of server certificate thumbprints for the OpenID Connect (OIDC) identity provider's server certificate(s)"
type = list(string)
default = []
}
variable "cluster_identity_providers" {
description = "Map of cluster identity provider configurations to enable for the cluster. Note - this is different/separate from IRSA"
type = any
default = {}
}
#-------------------------------
# Node Groups
#-------------------------------
variable "managed_node_groups" {
description = "Managed node groups configuration"
type = any
default = {}
}
variable "self_managed_node_groups" {
description = "Self-managed node groups configuration"
type = any
default = {}
}
variable "enable_windows_support" {
description = "Enable Windows support"
type = bool
default = false
}
#-------------------------------
# Worker Additional Variables
#-------------------------------
variable "create_node_security_group" {
description = "Determines whether to create a security group for the node groups or use the existing `node_security_group_id`"
type = bool
default = true
}
variable "node_security_group_name" {
description = "Name to use on node security group created"
type = string
default = null
}
variable "node_security_group_use_name_prefix" {
description = "Determines whether node security group name (`node_security_group_name`) is used as a prefix"
type = bool
default = true
}
variable "node_security_group_description" {
description = "Description of the node security group created"
type = string
default = "EKS node shared security group"
}
variable "node_security_group_additional_rules" {
description = "List of additional security group rules to add to the node security group created. Set `source_cluster_security_group = true` inside rules to set the `cluster_security_group` as source"
type = any
default = {}
}
variable "node_security_group_tags" {
description = "A map of additional tags to add to the node security group created"
type = map(string)
default = {}
}
variable "worker_additional_security_group_ids" {
description = "A list of additional security group ids to attach to worker instances"
type = list(string)
default = []
}
#-------------------------------
# Fargate
#-------------------------------
variable "fargate_profiles" {
description = "Fargate profile configuration"
type = any
default = {}
}
#-------------------------------
# aws-auth Config Map
#-------------------------------
variable "map_accounts" {
description = "Additional AWS account numbers to add to the aws-auth ConfigMap"
type = list(string)
default = []
}
variable "map_roles" {
description = "Additional IAM roles to add to the aws-auth ConfigMap"
type = list(object({
rolearn = string
username = string
groups = list(string)
}))
default = []
}
variable "map_users" {
description = "Additional IAM users to add to the aws-auth ConfigMap"
type = list(object({
userarn = string
username = string
groups = list(string)
}))
default = []
}
variable "aws_auth_additional_labels" {
description = "Additional kubernetes labels applied on aws-auth ConfigMap"
type = map(string)
default = {}
}
variable "eks_readiness_timeout" {
description = "The maximum time (in seconds) to wait for EKS API server endpoint to become healthy"
type = number
default = "600"
}
#-------------------------------
# Amazon EMR on EKS
#-------------------------------
variable "enable_emr_on_eks" {
description = "Enable EMR on EKS"
type = bool
default = false
}
variable "emr_on_eks_teams" {
description = "EMR on EKS Teams config"
type = any
default = {}
}
#-------------------------------
# TEAMS (Soft Multi-tenancy)
#-------------------------------
variable "application_teams" {
description = "Map of maps of Application Teams to create"
type = any
default = {}
}
variable "platform_teams" {
description = "Map of maps of platform teams to create"
type = any
default = {}
}