# Kubespray dualstack (IPv4 + IPv6) setup

## Prerequisites

Ensure you have the following installed on your system:

- [libvirt](https://libvirt.org/) (latest version recommended)
- [Terraform](https://developer.hashicorp.com/terraform) (latest version recommended)
- [Docker](https://www.docker.com/) (latest version recommended)

## Deploying environment

NOTE: You must have `libvirt` daemon running

### Generate SSH keypair

```bash
mkdir .ssh
ssh-keygen -f .ssh/id_rsa
```

### Goto Terraform directory

```bash
cd terraform
```

### Create and edit dotenv file

```bash
cp .env.template .env
```

### Init Terraform

```bash
terraform init
```

### Start the environment

```bash
terraform apply
```

## Provisioning Kubernetes

### Run provision script

```bash
./scripts/provision
```

## Testing dualstack

### Apply manifest.yaml (on node)

```bash
sudo kubectl apply -f manifest.yaml
```

### Check access via IPv{4,6}

You should access service via `10.6.6.10` and `2001:db8:ca2:2::10` inside cluster and on hypervisor.