170 lines
No EOL
3.7 KiB
HCL
170 lines
No EOL
3.7 KiB
HCL
terraform {
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required_version = ">= 1.0"
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required_providers {
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talos = {
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source = "siderolabs/talos"
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version = "~> 0.4"
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}
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libvirt = {
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source = "dmacvicar/libvirt"
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version = "~> 0.7"
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}
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}
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}
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# Load variables from a .tfvars file
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variable "cluster_name" {
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description = "The name of the Talos cluster"
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type = string
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default = "evolved-npcs-cluster"
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}
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variable "memory_mb" {
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description = "Memory for each VM in MB"
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type = number
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default = 2048
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}
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variable "vcpu_count" {
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description = "Number of vCPUs for each VM"
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type = number
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default = 2
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}
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# Configure providers
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provider "talos" {}
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provider "libvirt" {
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uri = "qemu:///system"
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}
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# Create a dedicated network for Talos
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resource "libvirt_network" "talos_network" {
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name = "talos-network"
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mode = "nat"
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domain = "talos.local"
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addresses = ["10.5.0.0/24"]
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dhcp {
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enabled = true
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}
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dns {
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enabled = true
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}
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}
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# Generate machine secrets
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resource "talos_machine_secrets" "this" {}
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# Create control plane configuration
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data "talos_machine_configuration" "controlplane" {
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cluster_name = var.cluster_name
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cluster_endpoint = "https://10.5.0.2:6443"
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machine_type = "controlplane"
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machine_secrets = talos_machine_secrets.this.machine_secrets
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config_patches = [
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yamlencode({
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machine = {
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install = {
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disk = "/dev/vda"
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}
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}
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})
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]
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}
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# Download Talos kernel and initramfs
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resource "null_resource" "download_talos_files" {
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triggers = {
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version = "v1.6.4"
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}
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provisioner "local-exec" {
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command = <<EOT
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mkdir -p _out/
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curl -L -o _out/vmlinuz-amd64 https://github.com/siderolabs/talos/releases/download/${self.triggers.version}/vmlinuz-amd64
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curl -L -o _out/initramfs-amd64.xz https://github.com/siderolabs/talos/releases/download/${self.triggers.version}/initramfs-amd64.xz
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EOT
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}
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}
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# Create a disk for Talos
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resource "libvirt_volume" "talos-disk" {
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name = "talos-disk"
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pool = "default"
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size = 10 * 1024 * 1024 * 1024 # 10GB
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format = "qcow2"
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}
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# Create the QEMU domain with direct kernel boot
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resource "libvirt_domain" "talos-controlplane" {
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name = "talos-controlplane"
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memory = var.memory_mb
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vcpu = var.vcpu_count
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# Use kernel and initramfs directly
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kernel = "${path.module}/_out/vmlinuz-amd64"
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initrd = "${path.module}/_out/initramfs-amd64.xz"
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# Talos kernel parameters
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cmdline = [
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"talos.platform=metal",
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"talos.config=${base64encode(data.talos_machine_configuration.controlplane.machine_config)}",
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"ip=10.5.0.2::10.5.0.1:255.255.255.0::eth0:off",
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"init_on_alloc=1",
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"slab_nomerge",
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"pti=on",
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"console=tty0",
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"console=ttyS0",
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"printk.devkmsg=on"
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]
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disk {
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volume_id = libvirt_volume.talos-disk.id
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}
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network_interface {
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network_id = libvirt_network.talos_network.id
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addresses = ["10.5.0.2"]
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hostname = "controlplane"
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}
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console {
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type = "pty"
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target_port = "0"
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target_type = "serial"
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}
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graphics {
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type = "spice"
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listen_type = "address"
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autoport = true
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}
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depends_on = [null_resource.download_talos_files]
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}
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# Output important information
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output "controlplane_ip" {
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value = "10.5.0.2"
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}
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output "talosconfig" {
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value = data.talos_machine_configuration.controlplane.machine_config
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sensitive = true
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}
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output "next_steps" {
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value = <<EOT
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After applying:
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1. The control plane will be available at 10.5.0.2
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2. The configuration is embedded in the kernel parameters
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3. Wait for Talos to install and reboot
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4. Bootstrap the cluster:
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talosctl bootstrap --nodes 10.5.0.2
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5. Get kubeconfig:
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talosctl kubeconfig --nodes 10.5.0.2
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EOT
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} |