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Module: eks-cluster

Terraform module to provision an EKS cluster on AWS.



This Terraform module provisions a fully-configured AWS EKS (Elastic Kubernetes Service) cluster. It's engineered to integrate smoothly with Karpenter and EKS addons, forming a critical part of Cloud Posse's reference architecture. Ideal for teams looking to deploy scalable and manageable Kubernetes clusters on AWS with minimal fuss.

Introduction​

The module provisions the following resources:

  • EKS cluster of master nodes that can be used together with the terraform-aws-eks-node-group and terraform-aws-eks-fargate-profile modules to create a full-blown EKS/Kubernetes cluster. You can also use the terraform-aws-eks-workers module to provision worker nodes for the cluster, but it is now rare for that to be a better choice than to use terraform-aws-eks-node-group.
  • IAM Role to allow the cluster to access other AWS services
  • EKS access entries to allow IAM users to access and administer the cluster

Usage​

For a complete example, see examples/complete.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test/src.

Other examples:

  provider "aws" {
    region = var.region
  }

  # Note: This example creates an explicit access entry for the current user,
  # but in practice, you should use a static map of IAM users or roles that should have access to the cluster.
  # Granting access to the current user in this way is not recommended for production use.
  data "aws_caller_identity" "current" {}
  
  # IAM session context converts an assumed role ARN into an IAM Role ARN.
  # Again, this is primarily to simplify the example, and in practice, you should use a static map of IAM users or roles.
  data "aws_iam_session_context" "current" {
    arn = data.aws_caller_identity.current.arn
  }
  
  locals {
    # The usage of the specific kubernetes.io/cluster/* resource tags below are required
    # for EKS and Kubernetes to discover and manage networking resources
    # https://aws.amazon.com/premiumsupport/knowledge-center/eks-vpc-subnet-discovery/
    # https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/docs/deploy/subnet_discovery.md
    tags = { "kubernetes.io/cluster/${module.label.id}" = "shared" }
  
    # required tags to make ALB ingress work https://docs.aws.amazon.com/eks/latest/userguide/alb-ingress.html
    public_subnets_additional_tags = {
      "kubernetes.io/role/elb" : 1
    }
    private_subnets_additional_tags = {
      "kubernetes.io/role/internal-elb" : 1
    }
  
    # Enable the IAM user creating the cluster to administer it,
    # without using the bootstrap_cluster_creator_admin_permissions option,
    # as an example of how to use the access_entry_map feature.
    # In practice, this should be replaced with a static map of IAM users or roles
    # that should have access to the cluster, but we use the current user
    # to simplify the example.
    access_entry_map = {
      (data.aws_iam_session_context.current.issuer_arn) = {
        access_policy_associations = {
          ClusterAdmin = {}
        }
      }
    }
  }

  module "label" {
    source = "cloudposse/label/null"
    # Cloud Posse recommends pinning every module to a specific version
    # version  = "x.x.x"

    namespace  = var.namespace
    name       = var.name
    stage      = var.stage
    delimiter  = var.delimiter
    tags       = var.tags
  }

  module "vpc" {
    source = "cloudposse/vpc/aws"
    # Cloud Posse recommends pinning every module to a specific version
    # version     = "x.x.x"

    ipv4_primary_cidr_block = "172.16.0.0/16"

    tags    = local.tags
    context = module.label.context
  }

  module "subnets" {
    source = "cloudposse/dynamic-subnets/aws"
    # Cloud Posse recommends pinning every module to a specific version
    # version     = "x.x.x"

    availability_zones   = var.availability_zones
    vpc_id               = module.vpc.vpc_id
    igw_id               = [module.vpc.igw_id]
    ipv4_cidr_block      = [module.vpc.vpc_cidr_block]
    nat_gateway_enabled  = true
    nat_instance_enabled = false

    public_subnets_additional_tags  = local.public_subnets_additional_tags
    private_subnets_additional_tags = local.private_subnets_additional_tags

    tags    = local.tags
    context = module.label.context
  }

  module "eks_node_group" {
    source = "cloudposse/eks-node-group/aws"
    # Cloud Posse recommends pinning every module to a specific version
    # version     = "x.x.x"

    instance_types    = [var.instance_type]
    subnet_ids        = module.subnets.private_subnet_ids
    health_check_type = var.health_check_type
    min_size          = var.min_size
    max_size          = var.max_size
    cluster_name      = module.eks_cluster.eks_cluster_id

    # Enable the Kubernetes cluster auto-scaler to find the auto-scaling group
    cluster_autoscaler_enabled = var.autoscaling_policies_enabled

    context = module.label.context
  }

  module "eks_cluster" {
    source = "cloudposse/eks-cluster/aws"
    # Cloud Posse recommends pinning every module to a specific version
    # version = "x.x.x"

    subnet_ids            = concat(module.subnets.private_subnet_ids, module.subnets.public_subnet_ids)
    kubernetes_version    = var.kubernetes_version
    oidc_provider_enabled = true

    addons = [
      # https://docs.aws.amazon.com/eks/latest/userguide/managing-vpc-cni.html#vpc-cni-latest-available-version
      {
        addon_name                  = "vpc-cni"
        addon_version               = var.vpc_cni_version
        resolve_conflicts_on_create = "OVERWRITE"
        resolve_conflicts_on_update = "OVERWRITE"
        service_account_role_arn    = var.vpc_cni_service_account_role_arn # Creating this role is outside the scope of this example
      },
      # https://docs.aws.amazon.com/eks/latest/userguide/managing-kube-proxy.html
      {
        addon_name                  = "kube-proxy"
        addon_version               = var.kube_proxy_version
        resolve_conflicts_on_create = "OVERWRITE"
        resolve_conflicts_on_update = "OVERWRITE"
        service_account_role_arn    = null
      },
      # https://docs.aws.amazon.com/eks/latest/userguide/managing-coredns.html
      {
        addon_name                  = "coredns"
        addon_version               = var.coredns_version
        resolve_conflicts_on_create = "OVERWRITE"
        resolve_conflicts_on_update = "OVERWRITE"
        service_account_role_arn    = null
      },
    ]
    addons_depends_on = [module.eks_node_group]

    context = module.label.context

    cluster_depends_on = [module.subnets]
  }

Module usage with two unmanaged worker groups:

  locals {
    # Unfortunately, the `aws_ami` data source attribute `most_recent` (https://github.com/cloudposse/terraform-aws-eks-workers/blob/34a43c25624a6efb3ba5d2770a601d7cb3c0d391/main.tf#L141)
    # does not work as you might expect. If you are not going to use a custom AMI you should
    # use the `eks_worker_ami_name_filter` variable to set the right kubernetes version for EKS workers,
    # otherwise the first version of Kubernetes supported by AWS (v1.11) for EKS workers will be selected, but the
    # EKS control plane will ignore it to use one that matches the version specified by the `kubernetes_version` variable.
    eks_worker_ami_name_filter = "amazon-eks-node-${var.kubernetes_version}*"
  }

  module "eks_workers" {
    source = "cloudposse/eks-workers/aws"
    # Cloud Posse recommends pinning every module to a specific version
    # version     = "x.x.x"

    attributes                         = ["small"]
    instance_type                      = "t3.small"
    eks_worker_ami_name_filter         = local.eks_worker_ami_name_filter
    vpc_id                             = module.vpc.vpc_id
    subnet_ids                         = module.subnets.public_subnet_ids
    health_check_type                  = var.health_check_type
    min_size                           = var.min_size
    max_size                           = var.max_size
    wait_for_capacity_timeout          = var.wait_for_capacity_timeout
    cluster_name                       = module.label.id
    cluster_endpoint                   = module.eks_cluster.eks_cluster_endpoint
    cluster_certificate_authority_data = module.eks_cluster.eks_cluster_certificate_authority_data
    cluster_security_group_id          = module.eks_cluster.eks_cluster_managed_security_group_id

    # Auto-scaling policies and CloudWatch metric alarms
    autoscaling_policies_enabled           = var.autoscaling_policies_enabled
    cpu_utilization_high_threshold_percent = var.cpu_utilization_high_threshold_percent
    cpu_utilization_low_threshold_percent  = var.cpu_utilization_low_threshold_percent

    context = module.label.context
  }

  module "eks_workers_2" {
    source = "cloudposse/eks-workers/aws"
    # Cloud Posse recommends pinning every module to a specific version
    # version     = "x.x.x"

    attributes                         = ["medium"]
    instance_type                      = "t3.medium"
    eks_worker_ami_name_filter         = local.eks_worker_ami_name_filter
    vpc_id                             = module.vpc.vpc_id
    subnet_ids                         = module.subnets.public_subnet_ids
    health_check_type                  = var.health_check_type
    min_size                           = var.min_size
    max_size                           = var.max_size
    wait_for_capacity_timeout          = var.wait_for_capacity_timeout
    cluster_name                       = module.label.id
    cluster_endpoint                   = module.eks_cluster.eks_cluster_endpoint
    cluster_certificate_authority_data = module.eks_cluster.eks_cluster_certificate_authority_data
    cluster_security_group_id          = module.eks_cluster.eks_cluster_managed_security_group_id

    # Auto-scaling policies and CloudWatch metric alarms
    autoscaling_policies_enabled           = var.autoscaling_policies_enabled
    cpu_utilization_high_threshold_percent = var.cpu_utilization_high_threshold_percent
    cpu_utilization_low_threshold_percent  = var.cpu_utilization_low_threshold_percent

    context = module.label.context
  }

  module "eks_cluster" {
    source = "cloudposse/eks-cluster/aws"
    # Cloud Posse recommends pinning every module to a specific version
    # version     = "x.x.x"

    subnet_ids            = concat(module.subnets.private_subnet_ids, module.subnets.public_subnet_ids)
    kubernetes_version    = var.kubernetes_version
    oidc_provider_enabled = true # needed for VPC CNI

    access_entries_for_nodes = {
      EC2_LINUX = [module.eks_workers.workers_role_arn, module.eks_workers_2.workers_role_arn]
    }

    context = module.label.context
  }
warning

Release 4.0.0 contains major breaking changes that will require you to update your existing EKS cluster and configuration to use this module. Please see the v3 to v4 migration path for more information. Release 2.0.0 (previously released as version 0.45.0) contains some changes that, if applied to a cluster created with an earlier version of this module, could result in your existing EKS cluster being replaced (destroyed and recreated). To prevent this, follow the instructions in the v1 to v2 migration path.

note

Prior to v4 of this module, AWS did not provide an API to manage access to the EKS cluster, causing numerous challenges. With v4 of this module, it exclusively uses the AWS API, resolving many issues you may read about that had affected prior versions. See the version 2 README and release notes for more information on the challenges and workarounds that were required prior to v3.

Variables​

Required Variables​

subnet_ids (list(string)) required

A list of subnet IDs to launch the cluster in

Optional Variables​

access_config optional

Access configuration for the EKS cluster.


Type:

object({
authentication_mode                         = optional(string, "API")
bootstrap_cluster_creator_admin_permissions = optional(bool, false)
})

Default value: { }

access_entries optional

List of IAM principles to allow to access the EKS cluster.
It is recommended to use the default user_name because the default includes
the IAM role or user name and the session name for assumed roles.
Use when Principal ARN is not known at plan time.



Type:

list(object({
principal_arn     = string
user_name         = optional(string, null)
kubernetes_groups = optional(list(string), null)
}))

Default value: [ ]

access_entries_for_nodes (map(list(string))) optional

Map of list of IAM roles for the EKS non-managed worker nodes.
The map key is the node type, either EC2_LINUX or EC2_WINDOWS,
and the list contains the IAM roles of the nodes of that type.
There is no need for or utility in creating Fargate access entries, as those
are always created automatically by AWS, just as with managed nodes.
Use when Principal ARN is not known at plan time.



Default value: { }

access_entry_map optional

Map of IAM Principal ARNs to access configuration.
Preferred over other inputs as this configuration remains stable
when elements are added or removed, but it requires that the Principal ARNs
and Policy ARNs are known at plan time.
Can be used along with other access_* inputs, but do not duplicate entries.
Map access_policy_associations keys are policy ARNs, policy
full name (AmazonEKSViewPolicy), or short name (View).
It is recommended to use the default user_name because the default includes
IAM role or user name and the session name for assumed roles.
As a special case in support of backwards compatibility, membership in the
system:masters group is is translated to an association with the ClusterAdmin policy.
In all other cases, including any system:* group in kubernetes_groups is prohibited.



Type:

map(object({
# key is principal_arn
user_name = optional(string)
# Cannot assign "system:*" groups to IAM users, use ClusterAdmin and Admin instead
kubernetes_groups = optional(list(string), [])
type              = optional(string, "STANDARD")
access_policy_associations = optional(map(object({
  # key is policy_arn or policy_name
  access_scope = optional(object({
    type       = optional(string, "cluster")
    namespaces = optional(list(string))
  }), {}) # access_scope
})), {})  # access_policy_associations
}))

Default value: { }

access_policy_associations optional

List of AWS managed EKS access policies to associate with IAM principles.
Use when Principal ARN or Policy ARN is not known at plan time.
policy_arn can be the full ARN, the full name (AmazonEKSViewPolicy) or short name (View).



Type:

list(object({
principal_arn = string
policy_arn    = string
access_scope = object({
  type       = optional(string, "cluster")
  namespaces = optional(list(string))
})
}))

Default value: [ ]

addons optional

Manages aws_eks_addon resources.
Note: resolve_conflicts is deprecated. If resolve_conflicts is set and
resolve_conflicts_on_create or resolve_conflicts_on_update is not set,
resolve_conflicts will be used instead. If resolve_conflicts_on_create is
not set and resolve_conflicts is PRESERVE, resolve_conflicts_on_create
will be set to NONE.



Type:

list(object({
addon_name           = string
addon_version        = optional(string, null)
configuration_values = optional(string, null)
# resolve_conflicts is deprecated, but we keep it for backwards compatibility
# and because if not declared, Terraform will silently ignore it.
resolve_conflicts           = optional(string, null)
resolve_conflicts_on_create = optional(string, null)
resolve_conflicts_on_update = optional(string, null)
service_account_role_arn    = optional(string, null)
create_timeout              = optional(string, null)
update_timeout              = optional(string, null)
delete_timeout              = optional(string, null)
}))

Default value: [ ]

addons_depends_on (any) optional

If provided, all addons will depend on this object, and therefore not be installed until this object is finalized.
This is useful if you want to ensure that addons are not applied before some other condition is met, e.g. node groups are created.
See issue #170 for more details.



Default value: null

allowed_cidr_blocks (list(string)) optional

A list of IPv4 CIDRs to allow access to the cluster.
The length of this list must be known at "plan" time.



Default value: [ ]

allowed_security_group_ids (list(string)) optional

A list of IDs of Security Groups to allow access to the cluster.



Default value: [ ]

associated_security_group_ids (list(string)) optional

A list of IDs of Security Groups to associate the cluster with.
These security groups will not be modified.



Default value: [ ]

bootstrap_self_managed_addons_enabled (bool) optional

Manages bootstrap of default networking addons after cluster has been created


Default value: null

cloudwatch_log_group_class (string) optional

Specified the log class of the log group. Possible values are: STANDARD or INFREQUENT_ACCESS


Default value: null

cloudwatch_log_group_kms_key_id (string) optional

If provided, the KMS Key ID to use to encrypt AWS CloudWatch logs


Default value: null

cluster_attributes (list(string)) optional

Override label module default cluster attributes


Default value:

[
  "cluster"
]
cluster_depends_on (any) optional

If provided, the EKS will depend on this object, and therefore not be created until this object is finalized.
This is useful if you want to ensure that the cluster is not created before some other condition is met, e.g. VPNs into the subnet are created.



Default value: null

cluster_encryption_config_enabled (bool) optional

Set to true to enable Cluster Encryption Configuration


Default value: true

cluster_encryption_config_kms_key_deletion_window_in_days (number) optional

Cluster Encryption Config KMS Key Resource argument - key deletion windows in days post destruction


Default value: 10

cluster_encryption_config_kms_key_enable_key_rotation (bool) optional

Cluster Encryption Config KMS Key Resource argument - enable kms key rotation


Default value: true

cluster_encryption_config_kms_key_id (string) optional

KMS Key ID to use for cluster encryption config


Default value: ""

cluster_encryption_config_kms_key_policy (string) optional

Cluster Encryption Config KMS Key Resource argument - key policy


Default value: null

cluster_encryption_config_resources (list(any)) optional

Cluster Encryption Config Resources to encrypt, e.g. ['secrets']


Default value:

[
  "secrets"
]
cluster_log_retention_period (number) optional

Number of days to retain cluster logs. Requires enabled_cluster_log_types to be set. See https://docs.aws.amazon.com/en_us/eks/latest/userguide/control-plane-logs.html.


Default value: 0

create_eks_service_role (bool) optional

Set false to use existing eks_cluster_service_role_arn instead of creating one


Default value: true

custom_ingress_rules optional

A List of Objects, which are custom security group rules that



Type:

list(object({
description              = string
from_port                = number
to_port                  = number
protocol                 = string
source_security_group_id = string
}))

Default value: [ ]

eks_cluster_service_role_arn (string) optional

The ARN of an IAM role for the EKS cluster to use that provides permissions
for the Kubernetes control plane to perform needed AWS API operations.
Required if create_eks_service_role is false, ignored otherwise.



Default value: null

enabled_cluster_log_types (list(string)) optional

A list of the desired control plane logging to enable. For more information, see https://docs.aws.amazon.com/en_us/eks/latest/userguide/control-plane-logs.html. Possible values [api, audit, authenticator, controllerManager, scheduler]


Default value: [ ]

endpoint_private_access (bool) optional

Indicates whether or not the Amazon EKS private API server endpoint is enabled. Default to AWS EKS resource and it is false


Default value: false

endpoint_public_access (bool) optional

Indicates whether or not the Amazon EKS public API server endpoint is enabled. Default to AWS EKS resource and it is true


Default value: true

kubernetes_network_ipv6_enabled (bool) optional

Set true to use IPv6 addresses for Kubernetes pods and services


Default value: false

kubernetes_version (string) optional

Desired Kubernetes master version. If you do not specify a value, the latest available version is used


Default value: "1.21"

managed_security_group_rules_enabled (bool) optional

Flag to enable/disable the ingress and egress rules for the EKS managed Security Group


Default value: true

oidc_provider_enabled (bool) optional

Create an IAM OIDC identity provider for the cluster, then you can create IAM roles to associate with a
service account in the cluster, instead of using kiam or kube2iam. For more information,
see EKS User Guide.



Default value: false

permissions_boundary (string) optional

If provided, all IAM roles will be created with this permissions boundary attached


Default value: null

public_access_cidrs (list(string)) optional

Indicates which CIDR blocks can access the Amazon EKS public API server endpoint when enabled. EKS defaults this to a list with 0.0.0.0/0.


Default value:

[
  "0.0.0.0/0"
]
region (string) optional

OBSOLETE (not needed): AWS Region


Default value: null

service_ipv4_cidr (string) optional

The CIDR block to assign Kubernetes service IP addresses from.
You can only specify a custom CIDR block when you create a cluster, changing this value will force a new cluster to be created.



Default value: null

upgrade_policy optional

Configuration block for the support policy to use for the cluster


Type:

object({
support_type = optional(string, null)
})

Default value: null

zonal_shift_config optional

Configuration block with zonal shift configuration for the cluster


Type:

object({
enabled = optional(bool, null)
})

Default value: null

Context Variables​

The following variables are defined in the context.tf file of this module and part of the terraform-null-label pattern.

additional_tag_map (map(string)) optional

Additional key-value pairs to add to each map in tags_as_list_of_maps. Not added to tags or id.
This is for some rare cases where resources want additional configuration of tags
and therefore take a list of maps with tag key, value, and additional configuration.


Required: No

Default value: { }

attributes (list(string)) optional

ID element. Additional attributes (e.g. workers or cluster) to add to id,
in the order they appear in the list. New attributes are appended to the
end of the list. The elements of the list are joined by the delimiter
and treated as a single ID element.


Required: No

Default value: [ ]

context (any) optional

Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as null to use default value.
Individual variable settings (non-null) override settings in context object,
except for attributes, tags, and additional_tag_map, which are merged.


Required: No

Default value:

{
  "additional_tag_map": {},
  "attributes": [],
  "delimiter": null,
  "descriptor_formats": {},
  "enabled": true,
  "environment": null,
  "id_length_limit": null,
  "label_key_case": null,
  "label_order": [],
  "label_value_case": null,
  "labels_as_tags": [
    "unset"
  ],
  "name": null,
  "namespace": null,
  "regex_replace_chars": null,
  "stage": null,
  "tags": {},
  "tenant": null
}
delimiter (string) optional

Delimiter to be used between ID elements.
Defaults to - (hyphen). Set to "" to use no delimiter at all.


Required: No

Default value: null

descriptor_formats (any) optional

Describe additional descriptors to be output in the descriptors output map.
Map of maps. Keys are names of descriptors. Values are maps of the form
\{<br/> format = string<br/> labels = list(string)<br/> \}
(Type is any so the map values can later be enhanced to provide additional options.)
format is a Terraform format string to be passed to the format() function.
labels is a list of labels, in order, to pass to format() function.
Label values will be normalized before being passed to format() so they will be
identical to how they appear in id.
Default is {} (descriptors output will be empty).


Required: No

Default value: { }

enabled (bool) optional

Set to false to prevent the module from creating any resources
Required: No

Default value: null

environment (string) optional

ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'
Required: No

Default value: null

id_length_limit (number) optional

Limit id to this many characters (minimum 6).
Set to 0 for unlimited length.
Set to null for keep the existing setting, which defaults to 0.
Does not affect id_full.


Required: No

Default value: null

label_key_case (string) optional

Controls the letter case of the tags keys (label names) for tags generated by this module.
Does not affect keys of tags passed in via the tags input.
Possible values: lower, title, upper.
Default value: title.


Required: No

Default value: null

label_order (list(string)) optional

The order in which the labels (ID elements) appear in the id.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.


Required: No

Default value: null

label_value_case (string) optional

Controls the letter case of ID elements (labels) as included in id,
set as tag values, and output by this module individually.
Does not affect values of tags passed in via the tags input.
Possible values: lower, title, upper and none (no transformation).
Set this to title and set delimiter to "" to yield Pascal Case IDs.
Default value: lower.


Required: No

Default value: null

labels_as_tags (set(string)) optional

Set of labels (ID elements) to include as tags in the tags output.
Default is to include all labels.
Tags with empty values will not be included in the tags output.
Set to [] to suppress all generated tags.
Notes:
The value of the name tag, if included, will be the id, not the name.
Unlike other null-label inputs, the initial setting of labels_as_tags cannot be
changed in later chained modules. Attempts to change it will be silently ignored.


Required: No

Default value:

[
  "default"
]
name (string) optional

ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.
This is the only ID element not also included as a tag.
The "name" tag is set to the full id string. There is no tag with the value of the name input.


Required: No

Default value: null

namespace (string) optional

ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique
Required: No

Default value: null

regex_replace_chars (string) optional

Terraform regular expression (regex) string.
Characters matching the regex will be removed from the ID elements.
If not set, "/[^a-zA-Z0-9-]/" is used to remove all characters other than hyphens, letters and digits.


Required: No

Default value: null

stage (string) optional

ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'
Required: No

Default value: null

tags (map(string)) optional

Additional tags (e.g. {'BusinessUnit': 'XYZ'}).
Neither the tag keys nor the tag values will be modified by this module.


Required: No

Default value: { }

tenant (string) optional

ID element (Rarely used, not included by default). A customer identifier, indicating who this instance of a resource is for
Required: No

Default value: null

Outputs​

cloudwatch_log_group_kms_key_id

KMS Key ID to encrypt AWS CloudWatch logs

cloudwatch_log_group_name

The name of the log group created in cloudwatch where cluster logs are forwarded to if enabled

cluster_encryption_config_enabled

If true, Cluster Encryption Configuration is enabled

cluster_encryption_config_provider_key_alias

Cluster Encryption Config KMS Key Alias ARN

cluster_encryption_config_provider_key_arn

Cluster Encryption Config KMS Key ARN

cluster_encryption_config_resources

Cluster Encryption Config Resources

eks_addons_versions

Map of enabled EKS Addons names and versions

eks_cluster_arn

The Amazon Resource Name (ARN) of the cluster

eks_cluster_certificate_authority_data

The Kubernetes cluster certificate authority data

eks_cluster_endpoint

The endpoint for the Kubernetes API server

eks_cluster_id

The name of the cluster

eks_cluster_identity_oidc_issuer

The OIDC Identity issuer for the cluster

eks_cluster_identity_oidc_issuer_arn

The OIDC Identity issuer ARN for the cluster that can be used to associate IAM roles with a service account

eks_cluster_ipv4_service_cidr

The IPv4 CIDR block that Kubernetes pod and service IP addresses are assigned from
if kubernetes_network_ipv6_enabled is set to false. If set to true this output will be null.


eks_cluster_ipv6_service_cidr

The IPv6 CIDR block that Kubernetes pod and service IP addresses are assigned from
if kubernetes_network_ipv6_enabled is set to true. If set to false this output will be null.


eks_cluster_managed_security_group_id

Security Group ID that was created by EKS for the cluster.
EKS creates a Security Group and applies it to the ENI that are attached to EKS Control Plane master nodes and to any managed workloads.


eks_cluster_role_arn

ARN of the EKS cluster IAM role

eks_cluster_version

The Kubernetes server version of the cluster

Dependencies​

Requirements​

  • terraform, version: >= 1.3.0
  • aws, version: >= 5.74.0
  • tls, version: >= 3.1.0, != 4.0.0

Providers​

  • aws, version: >= 5.74.0
  • tls, version: >= 3.1.0, != 4.0.0

Modules​

NameVersionSourceDescription
label0.25.0cloudposse/label/nulln/a
this0.25.0cloudposse/label/nulln/a

Resources​

The following resources are used by this module:

Data Sources​

The following data sources are used by this module: