terraform-aws-eks/outputs.tf

locals {
  # https://github.com/aws/containers-roadmap/issues/2038#issuecomment-2278450601
  dualstack_oidc_issuer_url = try(replace(replace(aws_eks_cluster.this[0].identity[0].oidc[0].issuer, "https://oidc.eks.", "https://oidc-eks."), ".amazonaws.com/", ".api.aws/"), null)
}

################################################################################
# Cluster
################################################################################

output "cluster_arn" {
  description = "The Amazon Resource Name (ARN) of the cluster"
  value       = try(aws_eks_cluster.this[0].arn, null)

  depends_on = [
    aws_eks_access_entry.this,
    aws_eks_access_policy_association.this,
  ]
}

output "cluster_certificate_authority_data" {
  description = "Base64 encoded certificate data required to communicate with the cluster"
  value       = try(aws_eks_cluster.this[0].certificate_authority[0].data, null)

  depends_on = [
    aws_eks_access_entry.this,
    aws_eks_access_policy_association.this,
  ]
}

output "cluster_endpoint" {
  description = "Endpoint for your Kubernetes API server"
  value       = try(aws_eks_cluster.this[0].endpoint, null)

  depends_on = [
    aws_eks_access_entry.this,
    aws_eks_access_policy_association.this,
  ]
}

output "cluster_id" {
  description = "The ID of the EKS cluster. Note: currently a value is returned only for local EKS clusters created on Outposts"
  value       = try(aws_eks_cluster.this[0].cluster_id, "")
}

output "cluster_name" {
  description = "The name of the EKS cluster"
  value       = try(aws_eks_cluster.this[0].name, "")

  depends_on = [
    aws_eks_access_entry.this,
    aws_eks_access_policy_association.this,
  ]
}

output "cluster_oidc_issuer_url" {
  description = "The URL on the EKS cluster for the OpenID Connect identity provider"
  value       = try(aws_eks_cluster.this[0].identity[0].oidc[0].issuer, null)
}

output "cluster_dualstack_oidc_issuer_url" {
  description = "Dual-stack compatible URL on the EKS cluster for the OpenID Connect identity provider"
  value       = local.dualstack_oidc_issuer_url
}

output "cluster_version" {
  description = "The Kubernetes version for the cluster"
  value       = try(aws_eks_cluster.this[0].version, null)
}

output "cluster_platform_version" {
  description = "Platform version for the cluster"
  value       = try(aws_eks_cluster.this[0].platform_version, null)
}

output "cluster_status" {
  description = "Status of the EKS cluster. One of `CREATING`, `ACTIVE`, `DELETING`, `FAILED`"
  value       = try(aws_eks_cluster.this[0].status, null)
}

output "cluster_primary_security_group_id" {
  description = "Cluster security group that was created by Amazon EKS for the cluster. Managed node groups use this security group for control-plane-to-data-plane communication. Referred to as 'Cluster security group' in the EKS console"
  value       = try(aws_eks_cluster.this[0].vpc_config[0].cluster_security_group_id, null)
}

output "cluster_service_cidr" {
  description = "The CIDR block where Kubernetes pod and service IP addresses are assigned from"
  value       = var.ip_family == "ipv6" ? try(aws_eks_cluster.this[0].kubernetes_network_config[0].service_ipv6_cidr, null) : try(aws_eks_cluster.this[0].kubernetes_network_config[0].service_ipv4_cidr, null)
}

output "cluster_ip_family" {
  description = "The IP family used by the cluster (e.g. `ipv4` or `ipv6`)"
  value       = try(aws_eks_cluster.this[0].kubernetes_network_config[0].ip_family, null)
}

################################################################################
# Access Entry
################################################################################

output "access_entries" {
  description = "Map of access entries created and their attributes"
  value       = aws_eks_access_entry.this
}

output "access_policy_associations" {
  description = "Map of eks cluster access policy associations created and their attributes"
  value       = aws_eks_access_policy_association.this
}

################################################################################
# KMS Key
################################################################################

output "kms_key_arn" {
  description = "The Amazon Resource Name (ARN) of the key"
  value       = module.kms.key_arn
}

output "kms_key_id" {
  description = "The globally unique identifier for the key"
  value       = module.kms.key_id
}

output "kms_key_policy" {
  description = "The IAM resource policy set on the key"
  value       = module.kms.key_policy
}

################################################################################
# Cluster Security Group
################################################################################

output "cluster_security_group_arn" {
  description = "Amazon Resource Name (ARN) of the cluster security group"
  value       = try(aws_security_group.cluster[0].arn, null)
}

output "cluster_security_group_id" {
  description = "ID of the cluster security group"
  value       = try(aws_security_group.cluster[0].id, null)
}

################################################################################
# Node Security Group
################################################################################

output "node_security_group_arn" {
  description = "Amazon Resource Name (ARN) of the node shared security group"
  value       = try(aws_security_group.node[0].arn, null)
}

output "node_security_group_id" {
  description = "ID of the node shared security group"
  value       = try(aws_security_group.node[0].id, null)
}

################################################################################
# IRSA
################################################################################

output "oidc_provider" {
  description = "The OpenID Connect identity provider (issuer URL without leading `https://`)"
  value       = try(replace(aws_eks_cluster.this[0].identity[0].oidc[0].issuer, "https://", ""), null)
}

output "oidc_provider_arn" {
  description = "The ARN of the OIDC Provider if `enable_irsa = true`"
  value       = try(aws_iam_openid_connect_provider.oidc_provider[0].arn, null)
}

output "cluster_tls_certificate_sha1_fingerprint" {
  description = "The SHA1 fingerprint of the public key of the cluster's certificate"
  value       = try(data.tls_certificate.this[0].certificates[0].sha1_fingerprint, null)
}

################################################################################
# IAM Role
################################################################################

output "cluster_iam_role_name" {
  description = "Cluster IAM role name"
  value       = try(aws_iam_role.this[0].name, null)
}

output "cluster_iam_role_arn" {
  description = "Cluster IAM role ARN"
  value       = try(aws_iam_role.this[0].arn, null)
}

output "cluster_iam_role_unique_id" {
  description = "Stable and unique string identifying the IAM role"
  value       = try(aws_iam_role.this[0].unique_id, null)
}

################################################################################
# EKS Auto Node IAM Role
################################################################################

output "node_iam_role_name" {
  description = "EKS Auto node IAM role name"
  value       = try(aws_iam_role.eks_auto[0].name, null)
}

output "node_iam_role_arn" {
  description = "EKS Auto node IAM role ARN"
  value       = try(aws_iam_role.eks_auto[0].arn, null)
}

output "node_iam_role_unique_id" {
  description = "Stable and unique string identifying the IAM role"
  value       = try(aws_iam_role.eks_auto[0].unique_id, null)
}

################################################################################
# EKS Addons
################################################################################

output "cluster_addons" {
  description = "Map of attribute maps for all EKS cluster addons enabled"
  value       = merge(aws_eks_addon.this, aws_eks_addon.before_compute)
}

################################################################################
# EKS Identity Provider
################################################################################

output "cluster_identity_providers" {
  description = "Map of attribute maps for all EKS identity providers enabled"
  value       = aws_eks_identity_provider_config.this
}

################################################################################
# CloudWatch Log Group
################################################################################

output "cloudwatch_log_group_name" {
  description = "Name of cloudwatch log group created"
  value       = try(aws_cloudwatch_log_group.this[0].name, null)
}

output "cloudwatch_log_group_arn" {
  description = "Arn of cloudwatch log group created"
  value       = try(aws_cloudwatch_log_group.this[0].arn, null)
}

################################################################################
# Fargate Profile
################################################################################

output "fargate_profiles" {
  description = "Map of attribute maps for all EKS Fargate Profiles created"
  value       = module.fargate_profile
}

################################################################################
# EKS Managed Node Group
################################################################################

output "eks_managed_node_groups" {
  description = "Map of attribute maps for all EKS managed node groups created"
  value       = module.eks_managed_node_group
}

output "eks_managed_node_groups_autoscaling_group_names" {
  description = "List of the autoscaling group names created by EKS managed node groups"
  value       = compact(flatten([for group in module.eks_managed_node_group : group.node_group_autoscaling_group_names]))
}

################################################################################
# Self Managed Node Group
################################################################################

output "self_managed_node_groups" {
  description = "Map of attribute maps for all self managed node groups created"
  value       = module.self_managed_node_group
}

output "self_managed_node_groups_autoscaling_group_names" {
  description = "List of the autoscaling group names created by self-managed node groups"
  value       = compact([for group in module.self_managed_node_group : group.autoscaling_group_name])
}