test: add vm image for ubuntu-desktop.

tests/packer/ubuntu.pkr.hcl

@@ -37,3 +37,39 @@ source "qemu" "ubuntu-server" {
     )
   }
 }
+
+source "qemu" "ubuntu-desktop" {
+  disk_image         = true
+  iso_url            = "https://cloud-images.ubuntu.com/${var.release.ubuntu.codename}/current/${var.release.ubuntu.codename}-server-cloudimg-amd64.img"
+  iso_checksum       = "file:https://cloud-images.ubuntu.com/${var.release.ubuntu.codename}/current/SHA256SUMS"
+  iso_target_path    = "${var.iso_dir}/ubuntu-cloudimg-amd64.img"
+  cpus               = 6
+  memory             = 4096
+  disk_size          = "40G"
+  accelerator        = "kvm"
+  headless           = true
+  ssh_username       = "${var.username}"
+  ssh_password       = "${var.password}"
+  ssh_port           = 22
+  ssh_wait_timeout   = "10000s"
+  disk_compression   = true
+  disk_detect_zeroes = "unmap"
+  disk_discard       = "unmap"
+  output_directory   = "${var.output}/"
+  vm_name            = "${var.prefix}${source.name}.qcow2"
+  boot_wait          = "10s"
+  firmware           = "${var.firmware}"
+  shutdown_command   = "echo ${var.password} | sudo -S /sbin/shutdown -hP now"
+  cd_label           = "cidata"
+  cd_content = {
+    "meta-data" = ""
+    "user-data" = templatefile("${path.cwd}/packer/init/${source.name}.user-data.yml",
+      {
+        username = "${var.username}"
+        password = "${var.password}"
+        ssh_key  = file("${var.ssh_publickey}")
+        hostname = "${var.prefix}${source.name}"
+      }
+    )
+  }
+}