terraform-playground/k8s-cluster/server.tf

resource "hcloud_server" "k8s-control" {
  count       = var.node_count
  name        = "k8s-control-${count.index}"
  image       = var.os_type
  server_type = var.server_type
  location    = var.location
  labels      = {
    type = "control"
  }
  ssh_keys    = [hcloud_ssh_key.default.id]
  user_data   = templatefile(
    "user-data.yaml.tpl",
    {
      ssh_pubkey         = file("../ssh-terraform-hetzner.pub")
      containerd_version = var.containerd_version
      docker_version     = var.docker_version
    }
  )
  firewall_ids = [hcloud_firewall.k8s-node.id]

  network {
    network_id = hcloud_network.k8s-nodes.id
  }

  connection {
    type        = "ssh"
    user        = "root"
    host        = self.ipv6_address  # or ipv4_address if your ISP sucks
    private_key = file("../ssh-terraform-hetzner")
  }

  provisioner "remote-exec" {
    inline = [
      "cloud-init status --wait"
    ]
  }
}

resource "hcloud_server" "k8s-worker" {
  count       = var.node_count
  name        = "k8s-worker-${count.index}"
  image       = var.os_type
  server_type = var.server_type
  location    = var.location
  labels      = {
    type = "worker"
  }
  ssh_keys    = [hcloud_ssh_key.default.id]
  user_data   = templatefile(
    "user-data.yaml.tpl",
    {
      ssh_pubkey         = file("../ssh-terraform-hetzner.pub")
      containerd_version = var.containerd_version
      docker_version     = var.docker_version
    }
  )
  firewall_ids = [hcloud_firewall.k8s-node.id]

  network {
    network_id = hcloud_network.k8s-nodes.id
  }

  connection {
    type        = "ssh"
    user        = "root"
    host        = self.ipv6_address  # or ipv4_address if your ISP sucks
    private_key = file("../ssh-terraform-hetzner")
  }

  provisioner "remote-exec" {
    inline = [
      "cloud-init status --wait"
    ]
  }
}