AWS EKS Terraform module

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This terraform module is used to create EKS cluster and related resources for container workload deployment on AWS Cloud.

Usage Example

module "eks" {
  source = "squareops/eks/aws"
    name = "SKAF"
    environment = "production"  
    cluster_enabled_log_types = ["api","scheduler"]
    cluster_version = "1.23"
    cluster_log_retention_in_days = 30
    cluster_endpoint_public_access = true
    cluster_endpoint_public_access_cidrs = ["0.0.0.0/0"]
    vpc_id = "vpc-06e37f0786b7eskaf"
    private_subnet_ids    = ["subnet-00exyzd5df967d21w","subnet-0c4abcd5aedxyzaea"]
    kms_key_arn           = "arn:aws:kms:us-east-2:222222222222:key/kms_key_arn"
}

module "managed_node_group_production" {
    source = "squareops/eks/aws//modules/managed-nodegroup"
    name                  = "SKAF"
    environment           = "production"
    eks_cluster_name      = "production-cluster"
    eks_nodes_keypair     = "prod-key"
    subnet_ids            = ["subnet-00exyzd5df967d21w"]
    worker_iam_role_arn   = "arn:aws:iam::222222222222:role/worker_iam_role_arn"
    worker_iam_role_name  = "worker_iam_role_name"
    kms_key_arn           = "arn:aws:kms:us-east-2:222222222222:key/kms_key_arn"
    kms_policy_arn        = module.eks.kms_policy_arn
    desired_size          = 1
    max_size              = 3
    instance_types        = ["t3a.xlarge"]
    capacity_type         = "ON_DEMAND"
    k8s_labels = {
      "Infra-Services" = "true"
    }
}

Refer examples for more details.

IAM Permissions

The required IAM permissions to create resources from this module can be found here

EKS-BOOTSTRAP

The EKS module is designed to be used as a standalone Terraform module. We recommend using EKS-Bootstrap module in conjunction to enhance functionality.

CIS COMPLIANCE

Security scanning is graciously provided by Prowler. Prowler is the leading fully hosted, cloud-native solution providing continuous cluster security and compliance.

Benchmark	Description
Ensure EKS Control Plane Audit Logging is enabled for all log types	Control plane logging enabled and correctly configured for EKS cluster
Ensure Kubernetes Secrets are encrypted using Customer Master Keys (CMKs)	Encryption for Kubernetes secrets is configured for EKS cluster
Ensure EKS Clusters are created with Private Endpoint Enabled and Public Access Disabled	Cluster endpoint access is private for EKS cluster
Restrict Access to the EKS Control Plane Endpoint	Cluster control plane access is restricted for EKS cluster

Requirements

Name	Version
terraform	>= 1.0
aws	>= 4.23
helm	>= 2.6
kubernetes	>= 2.13

Providers

Name	Version
aws	>= 4.23

Modules

Name	Source	Version
eks	terraform-aws-modules/eks/aws	18.29.0

Resources

Name	Type
aws_iam_policy.kubernetes_pvc_kms_policy	resource
aws_iam_role.node_role	resource
aws_iam_role_policy_attachment.eks_kms_cluster_policy_attachment	resource

Inputs

Name	Description	Type	Default	Required
cluster_enabled_log_types	A list of the desired control plane logs to enable for EKS cluster. Valid values: api,audit,authenticator,controllerManager,scheduler	`list(string)`	[ "" ]	no
cluster_endpoint_public_access	Indicates whether or not the Amazon EKS public API server endpoint is enabled	`bool`	`true`	no
cluster_endpoint_public_access_cidrs	List of CIDR blocks which can access the Amazon EKS public API server endpoint	`list(string)`	[ "" ]	no
cluster_log_retention_in_days	Retention period for EKS cluster logs	`number`	`90`	no
cluster_version	Kubernetes . version to use for the EKS cluster	`string`	`""`	no
environment	Environment identifier for the EKS cluster	`string`	`""`	no
kms_key_arn	KMS key to Encrypt EKS resources.	`string`	`""`	no
name	Specify the name of the EKS cluster	`string`	`""`	no
private_subnet_ids	Private subnets of the VPC which can be used by EKS	`list(string)`	[ "" ]	no
vpc_id	ID of the VPC where the cluster and its nodes will be provisioned	`string`	`""`	no

Outputs

Name	Description
cluster_endpoint	Endpoint for EKS control plane
cluster_name	Kubernetes Cluster Name
cluster_oidc_issuer_url	The URL on the EKS cluster for the OpenID Connect identity provider
cluster_security_group_id	Security group ids attached to the cluster control plane
kms_policy_arn	ARN of KMS policy.
kubeconfig_context_name	Name of the kubeconfig context
worker_iam_role_arn	ARN of the EKS Worker Role
worker_iam_role_name	The name of the EKS Worker IAM role

Contribution & Issue Reporting

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If you can't find an answer to your question in the documentation or issue tracker, you can ask a question by creating a new issue. Be sure to provide enough context and details so others can understand your problem.

License

Apache License, Version 2.0, January 2004 (http://www.apache.org/licenses/).

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AyushJakhmola / terraform-aws-eks