90 lines
2.1 KiB
HCL
90 lines
2.1 KiB
HCL
# variables that can be overriden
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variable "hostname" { default = "lclone-cinit" }
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variable "domain" { default = "example.com" }
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variable "memoryMB" { default = 1024*2 }
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variable "cpu" { default = 2 }
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variable "ip_type" { default = "dhcp" }
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# for root filesystem
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variable "rootdiskBytes" { default = 1024*1024*1024*30 }
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# instance the provider
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provider "libvirt" {
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uri = "qemu:///system"
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}
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# Use CloudInit ISO to add ssh-key to the instance
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resource "libvirt_cloudinit_disk" "commoninit" {
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name = "${var.hostname}-commoninit.iso"
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pool = "default"
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user_data = data.template_file.user_data.rendered
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network_config = data.template_file.network_config.rendered
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}
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data "template_file" "user_data" {
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template = file("${path.module}/cloud_init.cfg")
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vars = {
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hostname = var.hostname
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fqdn = "${var.hostname}.${var.domain}"
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}
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}
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data "template_file" "network_config" {
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template = file("${path.module}/network_config_${var.ip_type}.cfg")
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}
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# create a disk with a parent backing file
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resource "libvirt_volume" "os_image" {
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name = "${var.hostname}.qcow2"
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# can specify size larger than backing disk
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# but would need to be extended at OS level to be recognized
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#size = var.rootdiskBytes
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# parent disk
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base_volume_pool = "default"
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base_volume_name = "iso-install-root.qcow2"
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}
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# Create the machine
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resource "libvirt_domain" "domain-ubuntu" {
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name = var.hostname
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memory = var.memoryMB
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vcpu = var.cpu
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disk { volume_id = libvirt_volume.os_image.id }
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# uses DHCP
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network_interface {
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network_name = "default"
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}
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cloudinit = libvirt_cloudinit_disk.commoninit.id
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# IMPORTANT
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# Ubuntu can hang is a isa-serial is not present at boot time.
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# If you find your CPU 100% and never is available this is why
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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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}
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terraform {
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required_version = ">= 0.12"
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}
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output "metadata" {
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# run 'terraform refresh' if not populated
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value = libvirt_domain.domain-ubuntu
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}
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