Hey HN! I built rapid-eks - a CLI that deploys production-ready AWS EKS clusters in 13 minutes (validated). GitHub: https://github.com/jtaylortech/rapid-eks https://github.com/jtaylortech/rapid-eks The Problem I've set up EKS at 5+ companies. Every time, same 2-4 week grind: Multi-AZ VPC with proper CIDR planning
IRSA (IAM Roles for Service Accounts) - always breaks
Karpenter, ALB Controller, Prometheus - manual Helm hell
IAM policies that are too permissive or too restrictive
Debugging "why can't my pod access S3?" Multi-AZ VPC with proper CIDR planning IRSA (IAM Roles for Service Accounts) - always breaks Karpenter, ALB Controller, Prometheus - manual Helm hell IAM policies that are too permissive or too restrictive Debugging "why can't my pod access S3?" It's undifferentiated heavy lifting. Same bugs, every time. How It Works rapid-eks is a Python CLI that generates and manages Terraform: Config validation (Pydantic) - Type-safe YAML parsing
Preflight checks - AWS creds, Terraform version, kubectl, quotas
Terraform generation (Jinja2) - Uses official AWS modules
Deployment - Runs terraform apply with progress tracking
Health validation - Waits for cluster/nodes/addons to be ready
IRSA configuration - Automatically sets up pod→AWS auth Config validation (Pydantic) - Type-safe YAML parsing Config validation Preflight checks - AWS creds, Terraform version, kubectl, quotas Preflight checks Terraform generation (Jinja2) - Uses official AWS modules Terraform generation Deployment - Runs terraform apply with progress tracking Deployment Health validation - Waits for cluster/nodes/addons to be ready Health validation IRSA configuration - Automatically sets up pod→AWS auth IRSA configuration All generated Terraform lives in .rapid-eks/ - you can inspect/modify it. .rapid-eks/ What You Get (13 minutes) Infrastructure: Infrastructure: Multi-AZ VPC (3 AZs, 6 subnets, 3 NAT gateways)
EKS 1.31 with OIDC provider
Managed node group (t3.medium, 2-4 nodes, autoscaling) Multi-AZ VPC (3 AZs, 6 subnets, 3 NAT gateways) EKS 1.31 with OIDC provider Managed node group (t3.medium, 2-4 nodes, autoscaling) Addons (with IRSA): Addons (with IRSA): Karpenter - Node autoscaling with spot instance support
AWS Load Balancer Controller - Native ALB/NLB integration
Prometheus + Grafana - Monitoring stack Karpenter - Node autoscaling with spot instance support AWS Load Balancer Controller - Native ALB/NLB integration Prometheus + Grafana - Monitoring stack Security: Security: IRSA for all workloads (no static credentials)
Least-privilege IAM policies
Private subnets for nodes
Security groups with minimal access IRSA for all workloads (no static credentials) Least-privilege IAM policies Private subnets for nodes Security groups with minimal access Technical Details Stack: Stack: Python 3.11+ with type hints (Pydantic for validation)
Jinja2 templates for Terraform generation
Click for CLI, Rich for output
Uses official terraform-aws-modules (vpc, eks, iam) Python 3.11+ with type hints (Pydantic for validation) Jinja2 templates for Terraform generation Click for CLI, Rich for output Uses official terraform-aws-modules (vpc, eks, iam) Why generate Terraform vs pure Python? Why generate Terraform vs pure Python? Terraform state management is battle-tested
AWS modules are well-maintained
Users can inspect/modify generated code
Easier to debug than boto3 API calls
Idempotent by default Terraform state management is battle-tested AWS modules are well-maintained Users can inspect/modify generated code Easier to debug than boto3 API calls Idempotent by default Preflight checks: Preflight checks: def validate_aws_credentials():
    """Verify AWS creds work and have necessary permissions"""
    try:
        sts = boto3.client('sts')
        identity = sts.get_caller_identity()
        # Check for required IAM permissions
        return True
    except ClientError:
        return False def validate_aws_credentials():
    """Verify AWS creds work and have necessary permissions"""
    try:
        sts = boto3.client('sts')
        identity = sts.get_caller_identity()
        # Check for required IAM permissions
        return True
    except ClientError:
        return False IRSA setup: IRSA setup: Creates OIDC provider for cluster
Generates IAM roles with trust policies
Annotates ServiceAccounts with role ARNs
Validates pod→AWS auth works Creates OIDC provider for cluster Generates IAM roles with trust policies Annotates ServiceAccounts with role ARNs Validates pod→AWS auth works Health validation: Health validation: def wait_for_cluster_ready(cluster_name, region, timeout=600):
    """Poll EKS API until cluster is ACTIVE"""
    eks = boto3.client('eks', region_name=region)
    start = time.time()
    while time.time() - start < timeout:
        cluster = eks.describe_cluster(name=cluster_name)
        if cluster['cluster']['status'] == 'ACTIVE':
            return True
        time.sleep(10)
    return False def wait_for_cluster_ready(cluster_name, region, timeout=600):
    """Poll EKS API until cluster is ACTIVE"""
    eks = boto3.client('eks', region_name=region)
    start = time.time()
    while time.time() - start < timeout:
        cluster = eks.describe_cluster(name=cluster_name)
        if cluster['cluster']['status'] == 'ACTIVE':
            return True
        time.sleep(10)
    return False Try It pip install git+https://github.com/jtaylortech/rapid-eks.git
rapid-eks create demo --region us-east-1
# ~13 minutes later
kubectl get nodes pip install git+https://github.com/jtaylortech/rapid-eks.git
rapid-eks create demo --region us-east-1
# ~13 minutes later
kubectl get nodes Destroy is just as fast: rapid-eks destroy demo --auto-approve
# ~17 minutes, validates clean removal rapid-eks destroy demo --auto-approve
# ~17 minutes, validates clean removal Feedback Wanted Edge cases I'm missing?
Additional addons needed? (cert-manager, external-dns, etc.)
AWS regions with issues?
Better IRSA patterns?
Documentation gaps? Edge cases I'm missing? Additional addons needed? (cert-manager, external-dns, etc.) AWS regions with issues? Better IRSA patterns? Documentation gaps? All code is on GitHub, MIT licensed. Issues and PRs welcome. https://github.com/jtaylortech/rapid-eks/tree/main/docs?embedable=true https://github.com/jtaylortech/rapid-eks/tree/main/docs?embedable=true

The code in this story is for educational purposes. The readers are solely responsible for whatever they build with it.

Terra

Tf2cdk – Convert Terraform to AWS CDK (Not Cdktf)

Rapid-eks – Production EKS in 13 minutes with Terraform + Python

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