begin arch packer template

packer/libvirt/arch/arch-minimal.build.pkr.hcl

@@ -0,0 +1,141 @@
+# -------------------------------------------------------------------------
+# Name: vm-libvirt-arch-minimal
+# Desc: Create a minimal Arch Linux VM install on a libvirt/kvm hypervisor.
+# -------------------------------------------------------------------------
+
+#--------------------
+# Requirements block.
+#--------------------
+
+packer {
+  required_plugins {
+    libvirt = {
+      version = ">= 0.3.4"
+      source  = "github.com/thomasklein94/libvirt"
+    }
+  }
+}
+
+# ----------------
+# Variables block.
+# ----------------
+
+data "http" "image_checksum" {
+	url							= var.checksum_url
+}
+
+locals {
+	image_checksum	=	split(" ",data.http.image_checksum)[0]
+  libvirt_uri			= "qemu+ssh://${var.host_ssh_user}@${host_ssh_address}/system"
+	nvram_path			=	"${var.nvram_path_base}/${var.guest_hostname}_VARS.fd"
+	cidata_name			= "${var.volume_name}_cidata"
+}
+
+#---------------
+# Sources block.
+#---------------
+
+source "libvirt" "arch-minimal" {
+	libvirt_uri			= local.libvirt_uri
+	domain_name			= var.guest_hostname
+	vcpu						= var.cpu_count
+	memory					= var.memory
+	boot_devices		=	["hd"]
+	shutdown_mode		=	"guest"
+	domain_type			=	var.domain_type
+	arch						=	var.arch
+	chipset					=	var.chipset
+	loader_type			=	var.loader_type
+	loader_path			= var.loader_path
+	nvram_template	=	var.nvmram_template
+	nvram_path			=	local.nvram_path
+	secure_boot			=	true
+
+	volume {
+		alias				=	"artifact"
+		name				=	var.template_name
+		pool				= var.volume_pool
+		readonly		=	false
+		target_dev	=	"vda"
+		bus					=	"virtio"
+		format			=	"qcow2"
+		size				=	"2G"
+		capacity		=	var.volume_capacity
+		source {
+			type			=	"external"
+			urls			=	[var.image_url]
+			checksum	= local.image_checksum
+		}
+	}
+
+	volume {
+		alias				=	"cidata"
+		name				=	local.cidata_name
+		pool				=	var.volume_pool
+		readonly		= true
+		source {
+			type						=	"cloud-init"
+			
+			meta_data				=	jsonencode({
+				"instance-id"	=	${var.guest_hostname}
+				"hostname"		= ${var.guest_hostname}
+			})
+
+			user_data				=	format("#cloud-config\n%s", jsonencode({
+				"packages"			=	[
+					"qemu-guest-agent",
+					"ufw"
+				]
+				"runcmd"				=	[
+					["systemctl", "enable", "--now", "qemu-guest-agent"],
+					["ufw", "enable"],
+					["ufw", "allow", "from", ${var.ssh_source}, "to", "port", "22", "proto", "tcp"],
+					["systemctl", "enable", "--now", "ufw"]
+				]
+			}))
+
+			network_config	=	jsonencode({
+				version	=	2
+				ethernets	=	{
+					eth = {
+						match	=	{
+							name	=	"en*"
+						}
+						dhcp4	=	true
+					}
+				}
+			})
+
+		}
+	}
+
+	artifact_volume_alias		=	"artifact"
+
+	network_interface	{
+		type		=	"bridge"
+		bridge	= var.bridge_name
+		model		=	"virtio"
+		alias		= "default-network"
+	}
+	network_address_source	=	"agent"
+
+	graphics {
+		type		=	"spice"
+		port		=	5900
+	}
+
+	communicator {
+		ssh_username		= var.guest_ssh_user
+		ssh_port				= var.guest_ssh_port
+		ssh_private_key	= var.guest_ssh_private_key
+	}
+	communicator_interface	=	"default-network"
+}
+
+#-------------
+# Build block.
+#-------------
+
+build {
+	sources		=	["source.libvirt.arch-minimal"]
+}

packer/libvirt/arch/arch-minimal.pkrvars.hcl

@@ -0,0 +1,19 @@
+image_url								= "https://geo.mirror.pkgbuild.com/images/latest/Arch-Linux-x86_64-cloudimg.qcow2"
+checksum_url						=	"https://geo.mirror.pkgbuild.com/images/latest/Arch-Linux-x86_64-cloudimg.qcow2.SHA256"
+host_ssh_address				=	"server.balsillie.net"
+host_ssh_user						=	"michael"
+guest_hostname					=	"arch-minimal-template"
+cpu_count								=	2
+memory									=	2048
+type										=	"kvm"
+arch										=	"x86_64"
+chipset									=	"pc-q35-6.1"
+loader_type							=	"pflash"
+loader_path							=	"/usr/share/edk2-ovmf/x64/OVMF_CODE.secboot.fd"
+secure_boot							=	true
+nvram_template					=	"/usr/share/edk2-ovmf/x64/OVMF_VARS.fd"
+nvram_path_base					=	"/var/lib/libvirt/qemu/nvram"
+guest_ssh_user					= "arch"
+guest_ssh_port					= 22
+guest_ssh_private_key		=	"~/.ssh/conf.d/home/arch@arch_template.key"
+guest_ssh_public_key		=	"~/.ssh/conf.d/home/arch@arch_template.key.pub"

packer/libvirt/arch/arch-minimal.variables.pkr.hcl

@@ -0,0 +1,41 @@
+variable "image_url" {
+  type	= string
+	description = "The URL to retrieve the backing image from." 
+}
+
+variable "checksum_url" {
+  type	= string
+	description = "The URL to retrieve the checksum value of the backing image from." 
+}
+
+variable "hostname" {
+	type	=	string
+	description	=	"The hostname of the virtual machine"
+}
+
+variable "host_ssh_address" {
+	type	=	string
+	description	=	"The address of the hypervisor, used to construct the libvirt URI."
+}
+
+variable "host_ssh_user" {
+	type	=	string
+	description	=	"The user to connect to the hypervisor as, used to construct the libvirt URI."
+}
+
+variable "arch" {
+	type				=	string
+	description	=	"Domain architecture."
+	default			=	"x86_64"
+}
+
+variable "chipset" {
+	type	=	string
+	description	=	"Libvirt Machine Type Value for domain XML's machine type."
+}
+
+variable "guest_ssh_pass" {
+	type = string
+	sensitive = true
+	description = "Default password for the cloud-init image"
+}