mosk-images/template.json

{
  "variables": {
    "user": "root",
    "password": "r00tme",
    "disk_size": "2500M",
    "images_cache": "{{ env `PACKER_IMAGES_CACHE` }}",
    "image_base_url": "{{ env `IMAGE_BASE_URL` }}",
    "image_md5_url": "{{ env `IMAGE_MD5_URL` }}",
    "vm_name": "{{ env `VM_NAME` }}",
    "kernel_version": "{{ env `KERNEL_VERSION` }}"
  },
  "provisioners": [
    {
      "type": "shell",
      "environment_vars": [
          "KERNEL_VERSION={{user `kernel_version`}}"
      ],
      "scripts": [
         "scripts/apt.sh",
	 "scripts/cleanup.sh"
      ]
    }
  ],
  "builders": [
    {
      "type": "qemu",
      "qemuargs": [
        [
          "-m",
          "8096M"
        ],
        [
          "-smp",
          "4"
        ],
        [
          "-cdrom",
          "config-drive/cloudata.iso"
        ],
        ["-device", "virtio-net,netdev=user.0"],
        ["-object","rng-random,id=objrng0,filename=/dev/urandom"],
        ["-device", "virtio-rng-pci,rng=objrng0,id=rng0,bus=pci.0,addr=0x10" ]
      ],
      "vm_name": "{{user `vm_name`}}",
      "output_directory": "images",
      "disk_compression": true,
      "disk_size": "{{ user `disk_size`}}",
      "format": "qcow2",
      "iso_url": "{{ user `image_base_url`}}",
      "iso_checksum": "file:{{ user `image_md5_url`}}",
      "iso_target_path": "{{ user `images_cache`}}",
      "disk_image": true,
      "accelerator": "kvm",
      "headless": true,
      "ssh_username": "{{user `user`}}",
      "ssh_password": "{{user `password`}}",
      "ssh_host_port_min": 7000,
      "ssh_host_port_max": 7050,
      "vnc_port_max": "5956",
      "vnc_port_min": "5956",
      "shutdown_command": "shutdown -P now",
      "boot_wait": "10s",
      "ssh_wait_timeout": "360s"
    }
  ]
}