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packer {
required_plugins {
qemu = {
version = "~> 1"
source = "github.com/hashicorp/qemu"
}
}
}
# dont edit those vars below, customize in local.auto.pkrvars.hcl using local.example.pkrvars.hcl
variable "vm_name" {
default = "vyos-1.3.6"
}
variable "numvcpus" {
default = "4"
}
variable "memsize" {
default = "2048"
}
variable "disk_size" {
default = "10240"
}
variable "iso_checksum" {
default = "file:iso/SHA256SUM"
}
variable "ssh_username" {
default = "vyos"
}
variable "ssh_password" {
default = "vyos"
}
variable "boot_wait" {
default = "5s"
}
# - qemu: will build qcow2 image
# - none: not supported
variable "platform" {
type = string
default = "qemu"
}
# cloud-init values:
# debian - will install/replace cloud-init packages
# vyos - will keep cloud-init packages from vyos
variable "cloud_init" {
type = string
default = "vyos"
}
# equuleus: debian 11 (branch 1.3.*)
# sagitta: debian 12 (branch 1.4.*)
# circinus: debian 12 (branch 1.5.*)
# current: debian 12 (branch 1.5.*)
variable "vyos_release" {
default = "equuleus"
}
# build will fail if headless is false, only use headless false if you prepared X11/vnc setup
variable "headless" {
default = true
}
variable "host_port_min" {
default = env("HOST_PORT_FIXED") != "" ? env("HOST_PORT_FIXED") : 2222
}
variable "host_port_max" {
default = env("HOST_PORT_FIXED") != "" ? env("HOST_PORT_FIXED") : 4444
}
variable "vnc_port_min" {
default = env("VNC_PORT_FIXED") != "" ? env("VNC_PORT_FIXED") : 5900
}
variable "vnc_port_max" {
default = env("VNC_PORT_FIXED") != "" ? env("VNC_PORT_FIXED") : 6000
}
variable "sleep_before_shutdown" {
default = env("SLEEP_BEFORE_SHUTDOWN") != "" ? env("SLEEP_BEFORE_SHUTDOWN") : 0
}
# this is actually boot time between grub and user login. Need to be increased if your system in heavy load. A wait time too long will increase build time.
variable "sleep_after_grub" {
default = "60" # in seconds
}
# set grub_serial=1 to turn grub default=1, ie: use serial console. it is need to adjust on hypervisor
variable "grub_serial" {
type = string
default = 1
}
locals {
iso_path = "iso/${var.vm_name}.iso"
output_dir = "output/vyos-image1/${regex_replace(timestamp(), "[: ]", "-")}"
}
source "qemu" "vyos" {
boot_command = [
"<enter>",
"<wait${var.sleep_after_grub}s>",
"${var.ssh_username}<enter><wait>",
"${var.ssh_password}<enter><wait>",
"configure<enter><wait>",
"set interfaces ethernet eth0 address 'dhcp'<enter><wait>",
"set system name-server '8.8.8.8'<enter><wait>",
"set service ssh port '22'<enter><wait>",
"commit<enter><wait>",
"save<enter><wait>",
"exit<enter><wait>",
"install image<enter><wait3s>",
"Yes<enter><wait3s>",
"Auto<enter><wait3s>",
"<enter><wait3s>", # vda
"Yes<enter><wait5s>",
"<enter><wait15s>", #disk size
"${var.vm_name}<enter><wait10s>",
"<enter><wait2s>",
"${var.ssh_password}<enter><wait>",
"${var.ssh_password}<enter><wait>",
"<enter><wait10s>", # wait 10 seconds before reboot (dev purposes)
]
accelerator = "kvm"
iso_checksum = var.iso_checksum
iso_url = local.iso_path
boot_wait = var.boot_wait
http_directory = "http"
shutdown_command = "sleep ${var.sleep_before_shutdown}; sudo shutdown -P now"
communicator = "ssh"
host_port_min = var.host_port_min
host_port_max = var.host_port_max
ssh_username = var.ssh_username
ssh_password = var.ssh_password
ssh_timeout = "30m"
memory = var.memsize
cpus = var.numvcpus
disk_size = var.disk_size
vnc_port_min = var.vnc_port_min
vnc_port_max = var.vnc_port_max
headless = var.headless
output_directory = "${local.output_dir}"
net_device = "virtio-net"
disk_interface = "virtio"
qemuargs = [
["-m", "2048"],
["-smp", "4"],
["-cpu", "host"],
["-netdev", "user,id=user.0,", "hostfwd=tcp::{{ .SSHHostPort }}-:22"],
["-device", "virtio-net,netdev=user.0"]
]
}
build {
name = "vyos"
source "source.qemu.vyos" {
name = "vyos_qemu_qcow2"
vm_name = "${var.vm_name}-${source.name}.qcow2"
format = "qcow2"
}
provisioner "shell-local" {
inline = [
"mkdir -p iso/",
"mkdir -p ${local.output_dir}"
]
}
# checksum
post-processors {
post-processor "checksum" {
checksum_types = ["sha256"]
keep_input_artifact = true
}
post-processor "shell-local" {
inline = [
"mv packer_vyos_qemu_sha256.checksum iso/${var.vm_name}-build1.qcow2.checksum.tmp",
"awk '{print $1, \" ${var.vm_name}-build1.qcow2\"}' iso/${var.vm_name}-build1.qcow2.checksum.tmp > iso/${var.vm_name}-build1.qcow2.checksum",
"rm -f iso/${var.vm_name}-build1.qcow2.checksum.tmp",
"cat iso/*.checksum > iso/SHA256SUM",
"echo '${var.vm_name}' > .vm_name"
]
}
}
# copy from output to iso/ for vyos-image2.pkr.hcl customize
post-processors {
post-processor "shell-local" {
inline = [
"cp '${local.output_dir}/${var.vm_name}-${source.name}.qcow2' iso/${var.vm_name}-build1.qcow2",
"rm -rf '${local.output_dir}'"
]
}
}
}
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