add the test packer template

.gitignore

@@ -3,3 +3,5 @@ packer-plugin-windows-update
 packer-plugin-windows-update.exe
 tmp*
 .idea/
+output-*/
+*.log

Makefile

@@ -41,6 +41,12 @@ uninstall:
 	rm -f $(HOME)/.packer.d/plugins/packer-plugin-windows-update$(GOEXE)
 
 clean:
-	rm -rf dist tmp*
+	rm -rf dist tmp* output-test *.log
 
-.PHONY: all init build release release-snapshot install uninstall clean
+test:
+	rm -rf output-test test.log
+	CHECKPOINT_DISABLE=1 PACKER_LOG=1 PACKER_LOG_PATH=test.log \
+	PKR_VAR_disk_image=~/.vagrant.d/boxes/windows-2022-amd64/0.0.0/libvirt/box.img \
+		packer build -only=qemu.test -on-error=abort test.pkr.hcl
+
+.PHONY: all init build release release-snapshot install uninstall clean test

README.md

@@ -108,3 +108,11 @@ make install
 
 If you are having problems running `packer` set the `PACKER_LOG=1` environment
 variable to see more information.
+
+## Test (QEMU)
+
+You can test the plugin with a previously installed [rgl/windows-vagrant](https://github.com/rgl/windows-vagrant) image with:
+
+```bash
+make test
+```

test.pkr.hcl

@@ -0,0 +1,66 @@
+variable "disk_size" {
+  type    = string
+  default = "61440"
+}
+
+variable "disk_image" {
+  type = string
+}
+
+source "qemu" "test" {
+  headless     = false
+  accelerator  = "kvm"
+  machine_type = "q35"
+  cpus         = 2
+  memory       = 4096
+  qemuargs = [
+    ["-cpu", "host"],
+    ["-device", "qemu-xhci"],
+    ["-device", "virtio-tablet"],
+    ["-device", "virtio-scsi-pci,id=scsi0"],
+    ["-device", "scsi-hd,bus=scsi0.0,drive=drive0"],
+    ["-device", "virtio-net,netdev=user.0"],
+    ["-vga", "qxl"],
+    ["-device", "virtio-serial-pci"],
+    ["-chardev", "socket,path=/tmp/{{ .Name }}-qga.sock,server,nowait,id=qga0"],
+    ["-device", "virtserialport,chardev=qga0,name=org.qemu.guest_agent.0"],
+    ["-chardev", "spicevmc,id=spicechannel0,name=vdagent"],
+    ["-device", "virtserialport,chardev=spicechannel0,name=com.redhat.spice.0"],
+    ["-spice", "unix,addr=/tmp/{{ .Name }}-spice.socket,disable-ticketing"],
+  ]
+  disk_interface   = "virtio-scsi"
+  disk_cache       = "unsafe"
+  disk_discard     = "unmap"
+  disk_image       = true
+  use_backing_file = true
+  disk_size        = var.disk_size
+  iso_url          = var.disk_image
+  iso_checksum     = "none"
+  net_device       = "virtio-net"
+  shutdown_command = "shutdown /s /t 0 /f /d p:4:1 /c \"Packer Shutdown\""
+  communicator     = "winrm"
+  winrm_username   = "vagrant"
+  winrm_password   = "vagrant"
+  winrm_timeout    = "4h"
+}
+
+build {
+  sources = [
+    "source.qemu.test",
+  ]
+  provisioner "windows-update" {
+  }
+  provisioner "powershell" {
+    use_pwsh = true
+    inline = [
+      <<-EOF
+      $p = 'c:/packer.delete.me.to.end.test.wait.txt'
+      Set-Content $p 'delete this file to end the packer test wait'
+      Write-Host "ATTENTION To end this test wait, login into the machine and delete the $p file"
+      while (Test-Path $p) {
+        Start-Sleep -Seconds 5
+      }
+      EOF
+    ]
+  }
+}