jessie.json

{
    "variables": {
        "user": "packer",
        "password": "packer",
        "disk_size": "10000",
        "domain": ""
    },

    "builders":
    [
        {
            "name": "jessie",
            "ssh_wait_timeout": "15m",
            "type": "qemu",
            "format": "qcow2",
            "accelerator": "kvm",
            "net_device": "virtio-net",
            "disk_cache": "none",
            "disk_interface": "virtio",
            "headless": "true",
            "disk_size": "{{ user `disk_size`}}",
            "qemuargs": [[ "-m", "1024M" ],[ "-smp", "4" ]],
            "iso_url": "http://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-8.2.0-amd64-netinst.iso",
            "iso_checksum": "762eb3dfc22f85faf659001ebf270b4f",
            "iso_checksum_type": "md5",

            "http_directory": "http",

            "ssh_username": "{{user `user`}}",
            "ssh_password": "{{user `password`}}",
            "shutdown_command": "echo '{{user `password`}}'|sudo -S shutdown -h now",

            "boot_wait": "5s",
            "boot_command": [
                   "<esc><wait><wait>",
                   "install auto <wait>",
                   "preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg <wait>",
                   "debian-installer=en_US locale=en_AU.UTF-8 keymap=us <wait>",
                   "netcfg/get_hostname={{ .Name }} <wait>",
                   "netcfg/get_domain={{ user `domain`}} <wait>",
                   "fb=false debconf/frontend=noninteractive <wait>",
                   "passwd/user-fullname={{user `user`}} <wait>",
                   "passwd/user-password={{user `password`}} <wait>",
                   "passwd/user-password-again={{user `password`}} <wait>",
                   "passwd/username={{user `user`}} <wait>",
                   "<enter><wait>"
            ]
        }
    ],

    "provisioners": [
        {
            "type": "file",
            "source": "scripts/",
            "destination": "/home/packer/"
        },
        {
            "type": "shell",
            "execute_command": "echo '{{user `password`}}' | {{.Vars}} sudo -E -S bash '{{.Path}}'",
            "scripts": [
                "scripts/packages.sh",
                "scripts/cleanup.sh",
                "scripts/tuning.sh"
            ]
        }
    ]
}