[root@myeks2-bastion-EC2 learn-terraform-provision-eks-cluster]# ls -al
total 52
drwxr-xr-x 3 root root   168 Dec 29 13:19 .
drwxr-xr-x 3 root root    51 Dec 29 13:19 ..
drwxr-xr-x 8 root root   163 Dec 29 13:19 .git
-rw-r--r-- 1 root root   647 Dec 29 13:19 .gitignore
-rw-r--r-- 1 root root 16761 Dec 29 13:19 LICENSE
-rw-r--r-- 1 root root  2942 Dec 29 13:19 main.tf
-rw-r--r-- 1 root root   545 Dec 29 13:19 outputs.tf
-rw-r--r-- 1 root root   265 Dec 29 13:19 README.md
-rw-r--r-- 1 root root  6865 Dec 29 13:19 .terraform.lock.hcl
-rw-r--r-- 1 root root   544 Dec 29 13:19 terraform.tf
-rw-r--r-- 1 root root   170 Dec 29 13:19 variables.tf
-bash: kube_ps1: command not found
[root@myeks2-bastion-EC2 learn-terraform-provision-eks-cluster]# more *.tf
::::::::::::::
main.tf
::::::::::::::
# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: MPL-2.0

provider "aws" {
  region = var.region
}

# Filter out local zones, which are not currently supported
# with managed node groups
data "aws_availability_zones" "available" {
  filter {
    name   = "opt-in-status"
    values = ["opt-in-not-required"]
  }
}

locals {
  cluster_name = "education-eks-${random_string.suffix.result}"
}

resource "random_string" "suffix" {
  length  = 8
  special = false
}

module "vpc" {
  source  = "terraform-aws-modules/vpc/aws"
  version = "5.0.0"

  name = "education-vpc"

  cidr = "10.0.0.0/16"
  azs  = slice(data.aws_availability_zones.available.names, 0, 3)

  private_subnets = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
  public_subnets  = ["10.0.4.0/24", "10.0.5.0/24", "10.0.6.0/24"]

  enable_nat_gateway   = true
  single_nat_gateway   = true
  enable_dns_hostnames = true

  public_subnet_tags = {
    "kubernetes.io/cluster/${local.cluster_name}" = "shared"
    "kubernetes.io/role/elb"                      = 1
  }

  private_subnet_tags = {
    "kubernetes.io/cluster/${local.cluster_name}" = "shared"
    "kubernetes.io/role/internal-elb"             = 1
  }
}

module "eks" {
  source  = "terraform-aws-modules/eks/aws"
  version = "19.15.3"

  cluster_name    = local.cluster_name
  cluster_version = "1.27"

  vpc_id                         = module.vpc.vpc_id
  subnet_ids                     = module.vpc.private_subnets
  cluster_endpoint_public_access = true

  eks_managed_node_group_defaults = {
    ami_type = "AL2_x86_64"

  }

  eks_managed_node_groups = {
    one = {
      name = "node-group-1"

      instance_types = ["t3.small"]

      min_size     = 1
      max_size     = 3
      desired_size = 2
    }

    two = {
      name = "node-group-2"

      instance_types = ["t3.small"]

      min_size     = 1
      max_size     = 2
      desired_size = 1
    }
  }
}


# https://aws.amazon.com/blogs/containers/amazon-ebs-csi-driver-is-now-generally-available-in-amazon-eks-add-ons/
data "aws_iam_policy" "ebs_csi_policy" {
  arn = "arn:aws:iam::aws:policy/service-role/AmazonEBSCSIDriverPolicy"
}

module "irsa-ebs-csi" {
  source  = "terraform-aws-modules/iam/aws//modules/iam-assumable-role-with-oidc"
  version = "4.7.0"

  create_role                   = true
  role_name                     = "AmazonEKSTFEBSCSIRole-${module.eks.cluster_name}"
  provider_url                  = module.eks.oidc_provider
  role_policy_arns              = [data.aws_iam_policy.ebs_csi_policy.arn]
  oidc_fully_qualified_subjects = ["system:serviceaccount:kube-system:ebs-csi-controller-sa"]
}

resource "aws_eks_addon" "ebs-csi" {
  cluster_name             = module.eks.cluster_name
  addon_name               = "aws-ebs-csi-driver"
  addon_version            = "v1.20.0-eksbuild.1"
  service_account_role_arn = module.irsa-ebs-csi.iam_role_arn
  tags = {
    "eks_addon" = "ebs-csi"
    "terraform" = "true"
  }
}
::::::::::::::
outputs.tf
::::::::::::::
# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: MPL-2.0

output "cluster_endpoint" {
  description = "Endpoint for EKS control plane"
  value       = module.eks.cluster_endpoint
}

output "cluster_security_group_id" {
  description = "Security group ids attached to the cluster control plane"
  value       = module.eks.cluster_security_group_id
}

output "region" {
  description = "AWS region"
  value       = var.region
}

output "cluster_name" {
  description = "Kubernetes Cluster Name"
  value       = module.eks.cluster_name
}
::::::::::::::
terraform.tf
::::::::::::::
# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: MPL-2.0

terraform {

  cloud {
    workspaces {
      name = "learn-terraform-eks"
    }
  }

  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.7.0"
    }

    random = {
      source  = "hashicorp/random"
      version = "~> 3.5.1"
    }

    tls = {
      source  = "hashicorp/tls"
      version = "~> 4.0.4"
    }

    cloudinit = {
      source  = "hashicorp/cloudinit"
      version = "~> 2.3.2"
    }
  }

  required_version = "~> 1.3"
}

::::::::::::::
variables.tf
::::::::::::::
# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: MPL-2.0

variable "region" {
  description = "AWS region"
  type        = string
  default     = "us-east-2"
}
-bash: kube_ps1: command not found
[root@myeks2-bastion-EC2 learn-terraform-provision-eks-cluster]#