{
    variables: {
        base_image: centos7_base/centos7-base-2829bdc.ovf,
        vm_version: unknown
    },
    builders: [
        {
            vm_name : centos7-customer-{{user `vm_version`}},
            type : virtualbox-ovf,
            source_path : {{user `base_image`}},
            ssh_username : root,
            ssh_password : password,
            ssh_wait_timeout : 600s,
            shutdown_command : shutdown -P now,
            boot_wait : 5s,
            boot_command : [
                <enter><wait>
            ],
            guest_additions_mode: disable,
            headless: true
        }
    ],
    post-processors: [
        {
            type: shell-local,
            script: {{template_dir}}/scripts/vbox_ovf_to_ova.sh,
            environment_vars: [
                OVA_OUTPUT={{template_dir}}/centos7_customer/centos7-customer-{{user `vm_version`}}.ova
            ]
        }
    ]
}