With generation 2 machine by default a dvd drive is not created. So create a dvd drive for os if it does not exist.

Allow secure boot mode to be configured from config.

builder/hyperv/common/step_create_vm.go

@@ -23,6 +23,7 @@ type StepCreateVM struct {
 	DiskSize   uint
 	Generation uint
 	Cpu        uint
+	EnabeSecureBoot bool
 }
 
 func (s *StepCreateVM) Run(state multistep.StateBag) multistep.StepAction {
@@ -40,6 +41,7 @@ func (s *StepCreateVM) Run(state multistep.StateBag) multistep.StepAction {
 	switchName := s.SwitchName
 	generation := strconv.FormatInt(int64(s.Generation), 10)
 	cpu := strconv.FormatInt(int64(s.Cpu), 10)
+	enabeSecureBoot := s.EnabeSecureBoot
 
 	err := hyperv.CreateVirtualMachine(s.VMName, path, ram, diskSize, switchName, generation)
 	if err != nil {
@@ -57,6 +59,16 @@ func (s *StepCreateVM) Run(state multistep.StateBag) multistep.StepAction {
 		return multistep.ActionHalt
 	}
 	
+	if generation == "2" {
+		err = hyperv.SetSecureBoot(s.VMName, enabeSecureBoot)
+		if err != nil {
+			err := fmt.Errorf("Error setting secure boot: %s", err)
+			state.Put("error", err)
+			ui.Error(err.Error())
+			return multistep.ActionHalt
+		}
+	}
+
 	// Set the final name in the state bag so others can use it
 	state.Put("vmName", s.VMName)
 

builder/hyperv/common/step_mount_dvddrive.go

@@ -8,10 +8,10 @@ import (
 	"fmt"
 	"github.com/mitchellh/multistep"
 	"github.com/mitchellh/packer/packer"
+	powershell "github.com/mitchellh/packer/powershell"
 	"github.com/mitchellh/packer/powershell/hyperv"
 )
 
-
 type StepMountDvdDrive struct {
 	RawSingleISOUrl string
 	path            string
@@ -25,9 +25,36 @@ func (s *StepMountDvdDrive) Run(state multistep.StateBag) multistep.StepAction {
 	vmName := state.Get("vmName").(string)
 	isoPath := s.RawSingleISOUrl
 
+	// Check that there is a virtual dvd drive
+	var script powershell.ScriptBuilder
+	powershell := new(powershell.PowerShellCmd)
+
+	script.Reset()
+	script.WriteLine("param([string]$vmName)")
+	script.WriteLine("(Get-VMDvdDrive -VMName $vmName).ControllerNumber")
+	controllerNumber, err := powershell.Output(script.String(), vmName)
+	if err != nil {
+		state.Put("error", err)
+		ui.Error(err.Error())
+		return multistep.ActionHalt
+	}
+
+	if controllerNumber == "" {
+		// Add a virtual dvd drive as there is none
+		script.Reset()
+		script.WriteLine("param([string]$vmName)")
+		script.WriteLine("Add-VMDvdDrive -VMName $vmName")
+		err = powershell.Run(script.String(), vmName)
+		if err != nil {
+			state.Put("error", err)
+			ui.Error(err.Error())
+			return multistep.ActionHalt
+		}
+	}
+
 	ui.Say("Mounting dvd drive...")
 
-	err := hyperv.MountDvdDrive(vmName, isoPath)
+	err = hyperv.MountDvdDrive(vmName, isoPath)
 	if err != nil {
 		err := fmt.Errorf(errorMsg, err)
 		state.Put("error", err)

builder/hyperv/iso/builder.go

@@ -99,6 +99,7 @@ type Config struct {
 	SwitchName       string   `mapstructure:"switch_name"`
 	Cpu              uint     `mapstructure:"cpu"`
 	Generation       uint     `mapstructure:"generation"`
+	EnableSecureBoot bool     `mapstructure:"enable_secure_boot"`
 
 	Communicator string `mapstructure:"communicator"`
 
@@ -291,6 +292,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			DiskSize:        b.config.DiskSize,
 			Generation:      b.config.Generation,
 			Cpu:             b.config.Cpu,
+			EnabeSecureBoot: b.config.EnableSecureBoot,
 		},
 		&hypervcommon.StepEnableIntegrationService{},
 

powershell/hyperv/hyperv.go

@@ -98,16 +98,27 @@ Set-VMFloppyDiskDrive -VMName $vmName -Path $null
 
 func CreateVirtualMachine(vmName string, path string, ram string, diskSize string, switchName string, generation string) error {
 
+	if generation == "2" {
 		var script = `
 param([string]$vmName, [string]$path, [long]$memoryStartupBytes, [long]$newVHDSizeBytes, [string]$switchName, [int]$generation)
 $vhdx = $vmName + '.vhdx'
 $vhdPath = Join-Path -Path $path -ChildPath $vhdx
 New-VM -Name $vmName -Path $path -MemoryStartupBytes $memoryStartupBytes -NewVHDPath $vhdPath -NewVHDSizeBytes $newVHDSizeBytes -SwitchName $switchName -Generation $generation
 `
-
 		var ps powershell.PowerShellCmd
 		err := ps.Run(script, vmName, path, ram, diskSize, switchName, generation)
 		return err
+	} else {
+		var script = `
+param([string]$vmName, [string]$path, [long]$memoryStartupBytes, [long]$newVHDSizeBytes, [string]$switchName)
+$vhdx = $vmName + '.vhdx'
+$vhdPath = Join-Path -Path $path -ChildPath $vhdx
+New-VM -Name $vmName -Path $path -MemoryStartupBytes $memoryStartupBytes -NewVHDPath $vhdPath -NewVHDSizeBytes $newVHDSizeBytes -SwitchName $switchName
+`
+		var ps powershell.PowerShellCmd
+		err := ps.Run(script, vmName, path, ram, diskSize, switchName)
+		return err
+	}
 }
 
 func SetVirtualMachineCpu(vmName string, cpu string) error {
@@ -122,6 +133,23 @@ Set-VMProcessor -VMName $vmName -Count $cpu
 	return err
 }
 
+func SetSecureBoot(vmName string, enable bool) error {
+	var script = `
+param([string]$vmName, $enableSecureBoot)
+Set-VMFirmware -VMName $vmName -EnableSecureBoot $enableSecureBoot
+`
+
+	var ps powershell.PowerShellCmd
+
+	enableSecureBoot := "Off"
+	if enable {
+		enableSecureBoot = "On"
+	}
+
+	err := ps.Run(script, vmName, enableSecureBoot)
+	return err
+}
+
 func DeleteVirtualMachine(vmName string) error {
 
 	var script = `
@@ -635,8 +663,6 @@ param([string]$vmName, [string]$scanCodes)
 			$vmConsole.TypeScancodes($_)
         }
 	}
-
-
 `
 
 	var ps powershell.PowerShellCmd