template.json

{
    "builders": [
        {
            "type": "vmware-iso",
            "iso_url": "http://releases.ubuntu.com/12.04/ubuntu-12.04.4-server-amd64.iso",
            "iso_checksum": "3aeb42816253355394897ae80d99a9ba56217c0e98e05294b51f0f5b13bceb54",
            "iso_checksum_type": "sha256",
            "boot_wait": "5s",
            "boot_command": [
                "<esc><esc><enter><wait>",
                "/install/vmlinuz noapic preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg ",
                "debian-installer=en_US auto locale=en_US kbd-chooser/method=us ",
                "hostname={{ .Name }} ",
                "fb=false debconf/frontend=noninteractive ",
                "keyboard-configuration/modelcode=SKIP keyboard-configuration/layout=USA keyboard-configuration/variant=USA console-setup/ask_detect=false ",
                "initrd=/install/initrd.gz -- <enter>"
            ],
            "http_directory": "http",
            "shutdown_command": "echo 'vagrant' | sudo -S shutdown -P now",
            "ssh_wait_timeout": "20m",
            "ssh_username": "vagrant",
            "ssh_password": "vagrant",
            "tools_upload_flavor": "linux"
        },
        {
            "type": "virtualbox-iso",
            "iso_url": "http://releases.ubuntu.com/12.04/ubuntu-12.04.4-server-amd64.iso",
            "iso_checksum": "3aeb42816253355394897ae80d99a9ba56217c0e98e05294b51f0f5b13bceb54",
            "iso_checksum_type": "sha256",
            "boot_wait": "5s",
            "boot_command": [
                "<esc><esc><enter><wait>",
                "/install/vmlinuz noapic preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg ",
                "debian-installer=en_US auto locale=en_US kbd-chooser/method=us ",
                "hostname={{ .Name }} ",
                "fb=false debconf/frontend=noninteractive ",
                "keyboard-configuration/modelcode=SKIP keyboard-configuration/layout=USA keyboard-configuration/variant=USA console-setup/ask_detect=false ",
                "initrd=/install/initrd.gz -- <enter>"
            ],
            "guest_os_type": "Ubuntu_64",
            "http_directory": "http",
            "shutdown_command": "echo 'vagrant' | sudo -S shutdown -P now",
            "ssh_wait_timeout": "20m",
            "guest_additions_path": "VBoxGuestAdditions_{{.Version}}.iso",
            "virtualbox_version_file": ".vbox_version",
            "ssh_username": "vagrant",
            "ssh_password": "vagrant"
        }
    ],

    "provisioners": [
        {
            "type": "shell",
            "script": "scripts/vagrant.sh",
            "execute_command": "echo 'vagrant' | {{.Vars}} sudo -E -S bash '{{.Path}}'"
        },
        {
            "type": "shell",
            "script": "scripts/fusion.sh",
            "override": {
                "virtualbox-iso": {
                    "execute_command": "/bin/true"
                },
                "vmware-iso": {
                    "execute_command": "echo 'vagrant' | {{.Vars}} sudo -E -S bash '{{.Path}}'"
                }
            }
        },
        {
            "type": "shell",
            "script": "scripts/virtualbox.sh",
            "override": {
                "virtualbox-iso": {
                    "execute_command": "echo 'vagrant' | {{.Vars}} sudo -E -S bash '{{.Path}}'"
                },
                "vmware-iso": {
                    "execute_command": "/bin/true"
                }
            }
        },
        {
            "type": "shell",
            "scripts": [
                "scripts/docker.sh"
            ],
            "execute_command": "echo 'vagrant' | {{.Vars}} sudo -E -S bash '{{.Path}}'"
        },
        {
            "type": "shell",
            "scripts": [
                "scripts/vm_cleanup.sh"
            ],
            "execute_command": "echo 'vagrant' | {{.Vars}} sudo -E -S bash '{{.Path}}'"
        }
    ],

    "post-processors": [
        {
            "type": "vagrant",
            "keep_input_artifact": true
        }
    ]
}