115 lines
2.3 KiB
HCL
115 lines
2.3 KiB
HCL
resource "random_password" "k3s_cluster_secret" {
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length = 48
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special = false
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}
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resource "hcloud_ssh_key" "default" {
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name = "K3S terraform module - Provisioning SSH key"
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public_key = file(var.public_key)
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}
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resource "hcloud_network" "k3s" {
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name = "k3s-net"
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ip_range = "10.0.0.0/8"
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}
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resource "hcloud_network_subnet" "k3s" {
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network_id = hcloud_network.k3s.id
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type = "cloud"
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network_zone = "eu-central"
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ip_range = "10.0.0.0/16"
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}
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resource "hcloud_firewall" "k3s" {
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name = "k3s-firewall"
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# Internal cluster traffic, kube api server, kubelet metrics, cilium, etcd,
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# and Hetzner metadata service and cloud api
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rule {
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direction = "in"
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protocol = "tcp"
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port = "any"
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source_ips = [
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"127.0.0.1/32",
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"10.0.0.0/8",
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"169.254.169.254/32",
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"213.239.246.1/32"
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]
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}
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rule {
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direction = "in"
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protocol = "udp"
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port = "any"
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source_ips = [
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"127.0.0.1/32",
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"10.0.0.0/8",
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"169.254.169.254/32",
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"213.239.246.1/32"
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]
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}
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rule {
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direction = "in"
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protocol = "icmp"
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source_ips = [
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"127.0.0.1/32",
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"10.0.0.0/8",
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"169.254.169.254/32",
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"213.239.246.1/32"
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]
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}
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# Allow all traffic to the kube api server
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rule {
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direction = "in"
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protocol = "tcp"
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port = "6443"
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source_ips = [
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"0.0.0.0/0"
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]
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}
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# Allow all traffic to the ssh port
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rule {
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direction = "in"
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protocol = "tcp"
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port = "22"
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source_ips = [
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"0.0.0.0/0"
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]
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}
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}
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data "hcloud_image" "linux" {
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name = "fedora-34"
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}
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data "template_file" "init_cfg" {
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template = file("init.cfg")
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}
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# Render a multi-part cloud-init config making use of the part
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# above, and other source files
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data "template_cloudinit_config" "init_cfg" {
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gzip = true
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base64_encode = true
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# Main cloud-config configuration file.
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part {
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filename = "init.cfg"
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content_type = "text/cloud-config"
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content = data.template_file.init_cfg.rendered
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}
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}
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data "template_file" "ccm_manifest" {
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template = file("${path.module}/manifests/hcloud-ccm-net.yaml")
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}
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data "template_file" "upgrade_plan" {
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template = file("${path.module}/manifests/upgrade/plan.yaml")
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}
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locals {
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first_control_plane_network_ip = cidrhost(hcloud_network.k3s.ip_range, 2)
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}
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