Terraform AWS EKS Module

Terraform configuration to create an AWS EKS cluster

Configures an AWS account with the following resources:

EKS Kubernetes API server
VPC with:
- "10.0.0.0/16" CIDR block
- 2 subnets, each in a different availability zone with:
  - "10.0.x.0/24" CIDR block
- Internet gateway
EC2 autoscaling group for worker nodes, with:
- 1-2 m4.large instances
- 2 subnets

Variables

The AWS account ID that should be used to automatically map IAM users into the Kubernetes cluster

The Kubernetes cluster name (defaults to "cluster")

List of exactly 2 availability zones in which to create the cluster (defaults to ["us-east-1a", "us-east-1b"])

Kubernetes config map contents in YAML format, used to configure cluster authentication for users and worker nodes

Kubeconfig file contents, used to configure cluster access for Kubernetes client libraries

$ terraform apply

$ terraform output kubeconfig > kubeconfig

$ terraform output config_map_aws_auth > config_map_aws_auth.yaml && \
KUBECONFIG=kubeconfig kubectl apply -f config_map_aws_auth.yaml

KUBECONFIG=kubeconfig kubectl get nodes