chef-workstation.ps1

$workstation_version = "21.11.416"

$install_path = "C:\opscode\chef-workstation"

if (Test-Path $install_path) {
    $existing_version = (Get-Command "chef" -ErrorAction SilentlyContinue).FileVersionInfo.ProductVersion
    if ($existing_version -eq $workstation_version) {
        Write-Host "Chef Workstation $workstation_version is already installed."
        return
    } else {
        Write-Host "An older version of Chef Workstation ($existing_version) is installed. Upgrading to version $workstation_version."
    }
} else {
    Write-Host "Chef Workstation is not installed. Installing version $workstation_version."
}

$installer_path = "https://packages.chef.io/files/stable/chef-workstation/$workstation_version/windows/2019/chef-workstation-$workstation_version-1-x64.msi"

$install_args = @(
    "/qn",
    "/norestart",
    "/L*v",
    "C:\chef-workstation-install.log",
    "ADDLOCAL=WorkstationFeature,WorkstationV2Feature",
    "INSTALLDIR=$install_path",
    "PATH_ADDITIONS=$install_path\bin",
    "CHEF_WORKSTATION_VERSION=$workstation_version"
)

Invoke-WebRequest $installer_path -OutFile "$env:TEMP\chef-workstation.msi"
Start-Process msiexec.exe -Wait -ArgumentList "/i $env:TEMP\chef-workstation.msi $($install_args -join ' ')"