130 lines
3.2 KiB
Terraform
130 lines
3.2 KiB
Terraform
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locals {
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output_dir = abspath("${path.module}/../output")
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cloud_images = try(sort(fileset(local.output_dir, "Parch-Linux-x86_64-cloudimg-*.qcow2")), [])
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selected_image = var.image_path != "" ? pathexpand(var.image_path) : (
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length(local.cloud_images) > 0 ? "${local.output_dir}/${local.cloud_images[length(local.cloud_images) - 1]}" : ""
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)
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ssh_public_key = trimspace(file(pathexpand(var.ssh_public_key_path)))
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}
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resource "libvirt_volume" "root" {
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name = "${var.vm_name}.qcow2"
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pool = var.libvirt_pool
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target = { format = { type = "qcow2" } }
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create = {
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content = {
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url = local.selected_image
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}
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}
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lifecycle {
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precondition {
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condition = local.selected_image != "" && fileexists(local.selected_image)
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error_message = "No Parch cloudimg QCOW2 found. Run 'make build' first or set -var image_path=/absolute/path/to/cloudimg.qcow2."
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}
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}
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}
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resource "libvirt_cloudinit_disk" "seed" {
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name = "${var.vm_name}-cloudinit"
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user_data = templatefile("${path.module}/cloud-init/user-data.yaml.tftpl", {
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hostname = var.vm_name
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ssh_public_key = jsonencode(local.ssh_public_key)
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})
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meta_data = yamlencode({
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instance-id = var.vm_name
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local-hostname = var.vm_name
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})
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}
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resource "libvirt_volume" "cloudinit" {
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name = "${var.vm_name}-cloudinit.iso"
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pool = var.libvirt_pool
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target = { format = { type = "iso" } }
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create = {
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content = {
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url = libvirt_cloudinit_disk.seed.path
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}
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}
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}
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resource "libvirt_domain" "vm" {
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name = var.vm_name
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type = "kvm"
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memory = var.memory_mib
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memory_unit = "MiB"
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vcpu = var.vcpu
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features = {
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acpi = true
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apic = {}
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}
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cpu = {
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mode = "host-passthrough"
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}
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os = {
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type = "hvm"
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type_arch = "x86_64"
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type_machine = "q35"
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boot_devices = [{ dev = "hd" }]
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}
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devices = {
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disks = [
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{
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driver = { name = "qemu", type = "qcow2" }
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source = { volume = { pool = libvirt_volume.root.pool, volume = libvirt_volume.root.name } }
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target = { dev = "vda", bus = "virtio" }
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},
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{
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device = "cdrom"
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source = { volume = { pool = libvirt_volume.cloudinit.pool, volume = libvirt_volume.cloudinit.name } }
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target = { dev = "sda", bus = "sata" }
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}
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]
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interfaces = [
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{
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type = "network"
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model = { type = "virtio" }
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source = { network = { network = var.libvirt_network } }
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}
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]
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serials = [{
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type = "pty"
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target = { type = "isa-serial", port = 0 }
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}]
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consoles = [{
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type = "pty"
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target = { type = "serial", port = 0 }
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}]
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channels = [{
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source = { unix = {} }
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target = { virt_io = { name = "org.qemu.guest_agent.0" } }
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}]
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rngs = [{
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model = "virtio"
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backend = { random = "/dev/urandom" }
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}]
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}
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running = true
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lifecycle {
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replace_triggered_by = [libvirt_volume.root, libvirt_volume.cloudinit]
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}
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}
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output "vm_name" {
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value = libvirt_domain.vm.name
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}
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output "ssh_command" {
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value = "make qemu-ssh (or: ssh -o IdentitiesOnly=yes -i ${trimsuffix(pathexpand(var.ssh_public_key_path), ".pub")} arch@<VM-IP>)"
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}
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