176 lines
3.7 KiB
HCL
176 lines
3.7 KiB
HCL
resource "random_password" "k3s_token" {
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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 = local.ssh_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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# Allowing internal cluster traffic and Hetzner metadata service and cloud API IPs
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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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# Allow ping on ipv4
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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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"0.0.0.0/0"
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]
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}
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# Allow basic out traffic
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# ICMP to ping outside services
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rule {
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direction = "out"
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protocol = "icmp"
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destination_ips = [
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"0.0.0.0/0"
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]
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}
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# DNS
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rule {
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direction = "out"
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protocol = "tcp"
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port = "53"
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destination_ips = [
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"0.0.0.0/0"
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]
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}
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rule {
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direction = "out"
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protocol = "udp"
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port = "53"
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destination_ips = [
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"0.0.0.0/0"
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]
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}
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# HTTP(s)
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rule {
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direction = "out"
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protocol = "tcp"
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port = "80"
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destination_ips = [
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"0.0.0.0/0"
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]
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}
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rule {
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direction = "out"
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protocol = "tcp"
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port = "443"
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destination_ips = [
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"0.0.0.0/0"
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]
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}
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#NTP
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rule {
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direction = "out"
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protocol = "udp"
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port = "123"
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destination_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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resource "local_file" "hetzner_ccm_config" {
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content = templatefile("${path.module}/templates/hetzner_ccm.yaml.tpl", {
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ccm_version = var.hetzner_ccm_version != null ? var.hetzner_ccm_version : data.github_release.hetzner_ccm.release_tag
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patch_name = var.hetzner_ccm_containers_latest ? "patch_latest" : "patch"
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})
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filename = "${path.module}/hetzner/ccm/kustomization.yaml"
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file_permission = "0644"
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directory_permission = "0755"
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}
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resource "local_file" "hetzner_csi_config" {
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content = templatefile("${path.module}/templates/hetzner_csi.yaml.tpl", {
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csi_version = var.hetzner_csi_version != null ? var.hetzner_csi_version : data.github_release.hetzner_csi.release_tag
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patch_name = var.hetzner_csi_containers_latest ? "patch_latest" : ""
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})
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filename = "${path.module}/hetzner/csi/kustomization.yaml"
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file_permission = "0644"
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directory_permission = "0755"
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}
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resource "local_file" "traefik_config" {
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content = templatefile("${path.module}/templates/traefik_config.yaml.tpl", {
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lb_server_type = var.lb_server_type
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location = var.location
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})
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filename = "${path.module}/templates/rendered/traefik_config.yaml"
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file_permission = "0644"
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directory_permission = "0755"
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}
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