Packer file for building Windows base images

Packer-Windows.json

{
    "builders": [
        {
            "type": "hyperv-iso",
            "output_directory": "./output-{{ user `os_name` }}-base-hyperv/",
            "temp_path": "C:\\ClusterStorage\\HYPData01\\PackerTemplates\\temp",
            "vm_name": "{{ user `os_name` }}-base",
            "iso_url": "{{ user `iso_url` }}",
            "iso_checksum": "{{ user `iso_checksum` }}",
            "iso_checksum_type": "sha1",
            "communicator": "winrm",
            "winrm_username": "Administrator",
            "winrm_password": "R3fImage",
            "winrm_timeout": "12h",
            "shutdown_command": "C:/Windows/packer/PackerShutdown.bat",
            "shutdown_timeout": "1h",
                  "floppy_files": [],
            "secondary_iso_images": [
                "./answer_files/{{ user `os_name` }}/Autounattend.iso"
              ],
            "cpu": 2,
            "switch_name":"Hyper-V Logical SET Switch",
            "vlan_id":"1260",
            "disk_size": 81920,
            "ram_size": 3072,
            "generation": 2,
            "enable_secure_boot":true,
            "boot_wait": "0s",
            "boot_command": [
                "a<wait>a<wait>a"
            ]
        }
    ],
    "provisioners": [
        {
            "type": "powershell",
            "inline": [
                "$env:chocolateyUseWindowsCompression = 'false'",
                "iwr https://chocolatey.org/install.ps1 -UseBasicParsing | iex"
            ],
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage",
            "valid_exit_codes": [
                0,
                1
            ]
        },
        {
            "type": "powershell",
            "script": "scripts/install_windows_updates.ps1",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage",
            "valid_exit_codes": [
                0,
                1,
                2,
                3,
                5,
                10,
                15,
                259
            ]
        },
        {
            "type": "windows-restart",
            "restart_timeout": "1h"
        },
        {
            "type": "powershell",
            "script": "scripts/install_windows_updates.ps1",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage",
            "valid_exit_codes": [
                0,
                1,
                2,
                3,
                5,
                10,
                15,
                259
            ]
        },
        {
            "type": "windows-restart",
            "restart_timeout": "1h"
        },
        {
            "type": "powershell",
            "script": "scripts/install_windows_updates.ps1",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage",
            "valid_exit_codes": [
                0,
                1,
                2,
                3,
                5,
                10,
                15,
                259
            ]
        },
        {
            "type": "windows-restart",
            "restart_timeout": "1h"
        },
        {
            "type": "powershell",
            "script": "scripts/install_ps5.ps1",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage",
            "valid_exit_codes": [
                0,
                3010
            ]
        },
        {
            "type": "windows-restart",
            "restart_timeout": "1h"
        },
        {
            "type": "powershell",
            "script": "scripts/install_windows_updates.ps1",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage",
            "valid_exit_codes": [
                0,
                2,
                3,
                5,
                10,
                15,
                259
            ]
        },
        {
            "type": "windows-restart",
            "restart_timeout": "1h"
        },
        {
            "type": "powershell",
            "script": "scripts/Uninstall_Smb1.ps1",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage"
        },
        {
            "type": "windows-restart",
            "restart_timeout": "1h"
        },
        {
            "type": "powershell",
            "script": "scripts/Enable_RemoteDesktop.ps1",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage"
        },
        {
            "script": "scripts/clean_and_scrub.ps1",
            "type": "powershell",
            "elevated_user": "Administrator",
            "elevated_password": "R3fImage"
        },
        {
            "type": "powershell",
            "script": "scripts/save_shutdown_command.ps1"
        }
    ],
    "variables": {
        "os_name": "",
        "iso_checksum": "",
        "iso_url": "",
        "guest_os_type": "",
        "install_vbox_tools": ""
    }
}