Puppet custom fact to detect which cloud platform is the Windows server running on

cloud.rb

# Custom facters for Windows - Detect Cloud provider

if Facter.value('osfamily') == 'windows'
    Facter.add('cloud') do
      confine :osfamily => :windows
      has_weight 100
      setcode do
        begin
          result={}
          require 'win32ole'
          require 'net/http'
          value = nil
          wmi = WIN32OLE.connect("winmgmts:\\\\.\\root\\cimv2")
          bios = wmi.ExecQuery("SELECT * FROM Win32_bios").each.first
          serialNumber = bios.serialNumber
          if serialNumber =~ /^GoogleCloud/
            result['provider'] = 'gcp'
          elsif serialNumber =~ /^ec2/
            result['provider'] = 'aws'
          else
            uri = URI('http://169.254.169.254/metadata/instance?api-version=2017-08-01')
            req = Net::HTTP::Get.new(uri)
            req['Metadata'] = 'true'
            res = Net::HTTP.start(uri.hostname, uri.port, open_timeout: 1) {|http|
                http.request(req)
            }
            if res.code == '200'
                result['provider'] = 'azure'
            end
          end
        rescue
          nil
        end
        result
      end
    end
  end