{
  "builders": [
    {
      "format": "qcow2",
      "headless": true,
      "output_directory": "{{user `tmp_directory`}}/output",
      "shutdown_command": "echo packer | sudo -S shutdown -P now",
      "ssh_password": "qemubuild",
      "ssh_username": "qemubuild",
      "ssh_wait_timeout": "120m",
      "type": "qemu",
      "disk_interface": "virtio",
      "vm_name": "image.img",
      "qemuargs": [
          ["-drive", "file=output/image.img,if=virtio,cache=writeback,discard=ignore,format=qcow2"],
          ["-drive", "if=pflash,format=raw,readonly=on,file=/usr/share/OVMF/OVMF_CODE.fd"]
      ],
      "memory": "2048",
      "vnc_bind_address": "0.0.0.0",
      "disk_image": true,
      "iso_checksum": "{{user `iso_checksum` }}",
      "iso_url": "{{user `iso_url` }}",
      "iso_checksum_type": "sha256"
    }
  ],
  "provisioners": [
    {
      "type": "file",
      "source": "{{user `tmp_directory`}}/scripts",
      "destination": "/tmp/scripts"
    },
    {
      "type": "shell",
      "inline": [
        "sudo chown root: /tmp/scripts/*",
        "sudo chmod +x /tmp/scripts/*",
        "sudo risotto-run-parts /tmp/scripts/"
      ]
   }
  ],
  "post-processors": [
    {
      "type": "shell-local",
      "inline": [
        "sleep 5",
        "mkdir -p {{user `tmp_directory`}}/tmp",
        "echo 'Syst Prep'",
        "LIBGUESTFS_BACKEND=direct virt-sysprep --delete \"/var/*\" --delete \"/home/*\" -a {{user `tmp_directory`}}/output/image.img",
        "echo 'Sparsify before shink'",
        "LIBGUESTFS_BACKEND=direct virt-sparsify --check-tmpdir=ignore --tmp {{user `tmp_directory`}}/tmp/ {{user `tmp_directory`}}/output/image.img {{user `tmp_directory`}}/output/sparse.img",
        "echo 'Shink'",
        "guestfish add {{user `tmp_directory`}}/output/sparse.img : run : resize2fs-M /dev/sda2",
        "truncate -s $(virt-df {{user `tmp_directory`}}/output/sparse.img --csv|tail -n +2|awk -F, '{x+=$3}END{print x + 16384}')K {{user `tmp_directory`}}/output/shrink.img",
        "virt-resize --shrink /dev/sda2 {{user `tmp_directory`}}/output/sparse.img {{user `tmp_directory`}}/output/shrink.img",
        "echo 'Sparsify and convert to qcow2'",
        "LIBGUESTFS_BACKEND=direct virt-sparsify --check-tmpdir=ignore --tmp {{user `tmp_directory`}}/tmp/ --compress --convert qcow2 {{user `tmp_directory`}}/output/shrink.img {{user `tmp_directory`}}/image.img",
        "echo 'SHASUM'",
        "sha256sum {{user `tmp_directory`}}/image.img > {{user `tmp_directory`}}/image.sha256",
        "rm -rf {{user `tmp_directory`}}/tmp {{user `tmp_directory`}}/output"
      ]
    }
  ]
}