template.json

{
    "builders": [
    {
        "boot_wait": "2s",
        "disk_size": 102400,
        "guest_os_type": "darwin12-64",
        "iso_checksum_type": "sha1",
        "iso_url": "{{user `iso_url`}}",
        "iso_checksum": "{{user `iso_checksum`}}",
        "output_directory": "{{user `output_directory`}}",
        "shutdown_command": "echo '{{user `username`}}'|sudo -S shutdown -h now",
        "skip_compaction": false,
        "ssh_port": 22,
        "ssh_username": "{{user `username`}}",
        "ssh_password": "{{user `password`}}",
        "ssh_wait_timeout": "10000s",
        "tools_upload_flavor": "darwin",
        "type": "vmware-iso",
        "vmx_data": {
            "cpuid.coresPerSocket": "1",
            "memsize": "2048",
            "numvcpus": "4",
            "firmware": "efi",
            "keyboardAndMouseProfile": "macProfile",
            "smc.present": "TRUE",
            "hpet0.present": "TRUE",
            "ich7m.present": "TRUE",
            "ehci.present": "TRUE",
            "usb.present": "TRUE"
        }
      }
    ],
    "min_packer_version": "0.7.0",
    "post-processors": [
        "vagrant"
    ],
    "provisioners": [
        {
            "type": "shell-local",
            "command": "sleep {{user `provisioning_delay`}}"
        },
        {
            "destination": "/private/tmp/set_kcpassword.py",
            "source": "../osx-vm-templates/scripts/support/set_kcpassword.py",
            "type": "file"
        },
        {
            "execute_command": "chmod +x {{ .Path }}; sudo {{ .Vars }} {{ .Path }}",
            "scripts": [
                "../osx-vm-templates/scripts/vagrant.sh",
                "../osx-vm-templates/scripts/vmware.sh",
                "../osx-vm-templates/scripts/parallels.sh",
                "../osx-vm-templates/scripts/xcode-cli-tools.sh",
                "../osx-vm-templates/scripts/add-network-interface-detection.sh",
                "../osx-vm-templates/scripts/autologin.sh",
                "../osx-vm-templates/scripts/system-update.sh",
                "../scripts/reboot.sh"
            ],
            "environment_vars": [
                "AUTOLOGIN={{user `autologin`}}",
                "FACTER_VERSION={{user `facter_version`}}",
                "HIERA_VERSION={{user `hiera_version`}}",
                "INSTALL_VAGRANT_KEYS={{user `install_vagrant_keys`}}",
                "NOCM={{user `nocm`}}",
                "INSTALL_XCODE_CLI_TOOLS={{user `install_xcode_cli_tools`}}",
                "PASSWORD={{user `password`}}",
                "UPDATE_SYSTEM={{user `update_system`}}",
                "USERNAME={{user `username`}}"
            ],
            "type": "shell"
        },
        {
	      "type": "ansible",
	      "playbook_file": "../ansible/packer-minimal.yml",
          "extra_arguments": ["-vvv", "--extra-vars", "@custom_env.json"],
          "pause_before": "10s"
        },
       {
         "execute_command": "chmod +x {{ .Path }}; sudo {{ .Vars }} {{ .Path }}",
         "scripts": [
           "../osx-vm-templates/scripts/shrink.sh"
         ],
         "type": "shell",
         "expect_disconnect": "true"
       }
    ],
    "variables": {
        "autologin": "true",
        "install_vagrant_keys": "true",
        "install_xcode_cli_tools": "true",
        "iso_url": "https://server-for-osx-image/path-to-image/OSX_InstallESD_10.12.3_16D32.dmg",
        "iso_checksum": "7e9034477773ffb909e25dd5ddb3e85cfcf6c7b7",
        "password": "vagrant",
        "provisioning_delay": "0",
        "update_system": "true",
        "username": "vagrant"
    }
}