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hyperv.go
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hyperv.go
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package hyperv
import (
"bytes"
"context"
"errors"
"fmt"
"os/exec"
"regexp"
"strconv"
"strings"
"text/template"
"github.com/hashicorp/packer/common/powershell"
)
type scriptOptions struct {
Version string
VMName string
VHDX string
Path string
HardDrivePath string
MemoryStartupBytes int64
NewVHDSizeBytes int64
VHDBlockSizeBytes int64
SwitchName string
Generation uint
DiffDisks bool
FixedVHD bool
}
func GetHostAdapterIpAddressForSwitch(switchName string) (string, error) {
var script = `
param([string]$switchName, [int]$addressIndex)
$HostVMAdapter = Hyper-V\Get-VMNetworkAdapter -ManagementOS -SwitchName $switchName
if ($HostVMAdapter){
$HostNetAdapter = Get-NetAdapter | ?{ $HostVMAdapter.DeviceId.Contains($_.DeviceID) }
if ($HostNetAdapter){
$HostNetAdapterIfIndex = @()
$HostNetAdapterIfIndex += $HostNetAdapter.ifIndex
$HostNetAdapterConfiguration = @(get-wmiobject win32_networkadapterconfiguration -filter "IPEnabled = 'TRUE'") | Where-Object { $HostNetAdapterIfIndex.Contains($_.InterfaceIndex) }
if ($HostNetAdapterConfiguration){
return @($HostNetAdapterConfiguration.IpAddress)[$addressIndex]
}
}
}
return $false
`
var ps powershell.PowerShellCmd
cmdOut, err := ps.Output(script, switchName, "0")
return cmdOut, err
}
func GetVirtualMachineNetworkAdapterAddress(vmName string) (string, error) {
var script = `
param([string]$vmName, [int]$addressIndex)
try {
$adapter = Hyper-V\Get-VMNetworkAdapter -VMName $vmName -ErrorAction SilentlyContinue
if ($adapter.IPAddresses) {
$ip = $adapter.IPAddresses[$addressIndex]
} else {
$vm = Get-CimInstance -ClassName Msvm_ComputerSystem -Namespace root\virtualization\v2 -Filter "ElementName='$vmName'"
$ip_details = (Get-CimAssociatedInstance -InputObject $vm -ResultClassName Msvm_KvpExchangeComponent).GuestIntrinsicExchangeItems | %{ [xml]$_ } | ?{ $_.SelectSingleNode("/INSTANCE/PROPERTY[@NAME='Name']/VALUE[child::text()='NetworkAddressIPv4']") }
if ($null -eq $ip_details) {
return $false
}
$ip_addresses = $ip_details.SelectSingleNode("/INSTANCE/PROPERTY[@NAME='Data']/VALUE/child::text()").Value
$ip = ($ip_addresses -split ";")[0]
}
} catch {
return $false
}
$ip
`
var ps powershell.PowerShellCmd
cmdOut, err := ps.Output(script, vmName, "0")
return cmdOut, err
}
func CreateDvdDrive(vmName string, isoPath string, generation uint) (uint, uint, error) {
var ps powershell.PowerShellCmd
var script string
script = `
param([string]$vmName, [string]$isoPath)
$dvdController = Hyper-V\Add-VMDvdDrive -VMName $vmName -path $isoPath -Passthru
$dvdController | Hyper-V\Set-VMDvdDrive -path $null
$result = "$($dvdController.ControllerNumber),$($dvdController.ControllerLocation)"
$result
`
cmdOut, err := ps.Output(script, vmName, isoPath)
if err != nil {
return 0, 0, err
}
cmdOutArray := strings.Split(cmdOut, ",")
if len(cmdOutArray) != 2 {
return 0, 0, errors.New("Did not return controller number and controller location")
}
controllerNumberTemp, err := strconv.ParseUint(strings.TrimSpace(cmdOutArray[0]), 10, 64)
if err != nil {
return 0, 0, err
}
controllerNumber := uint(controllerNumberTemp)
controllerLocationTemp, err := strconv.ParseUint(strings.TrimSpace(cmdOutArray[1]), 10, 64)
if err != nil {
return controllerNumber, 0, err
}
controllerLocation := uint(controllerLocationTemp)
return controllerNumber, controllerLocation, err
}
func MountDvdDrive(vmName string, path string, controllerNumber uint, controllerLocation uint) error {
var script = `
param([string]$vmName,[string]$path,[string]$controllerNumber,[string]$controllerLocation)
$vmDvdDrive = Hyper-V\Get-VMDvdDrive -VMName $vmName -ControllerNumber $controllerNumber -ControllerLocation $controllerLocation
if (!$vmDvdDrive) {throw 'unable to find dvd drive'}
Hyper-V\Set-VMDvdDrive -VMName $vmName -ControllerNumber $controllerNumber -ControllerLocation $controllerLocation -Path $path
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, path, strconv.FormatInt(int64(controllerNumber), 10),
strconv.FormatInt(int64(controllerLocation), 10))
return err
}
func UnmountDvdDrive(vmName string, controllerNumber uint, controllerLocation uint) error {
var script = `
param([string]$vmName,[int]$controllerNumber,[int]$controllerLocation)
$vmDvdDrive = Hyper-V\Get-VMDvdDrive -VMName $vmName -ControllerNumber $controllerNumber -ControllerLocation $controllerLocation
if (!$vmDvdDrive) {throw 'unable to find dvd drive'}
Hyper-V\Set-VMDvdDrive -VMName $vmName -ControllerNumber $controllerNumber -ControllerLocation $controllerLocation -Path $null
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, strconv.FormatInt(int64(controllerNumber), 10),
strconv.FormatInt(int64(controllerLocation), 10))
return err
}
func SetBootDvdDrive(vmName string, controllerNumber uint, controllerLocation uint, generation uint) error {
if generation < 2 {
script := `
param([string]$vmName)
Hyper-V\Set-VMBios -VMName $vmName -StartupOrder @("IDE","CD","LegacyNetworkAdapter","Floppy")
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
} else {
script := `
param([string]$vmName,[int]$controllerNumber,[int]$controllerLocation)
$vmDvdDrive = Hyper-V\Get-VMDvdDrive -VMName $vmName -ControllerNumber $controllerNumber -ControllerLocation $controllerLocation
if (!$vmDvdDrive) {throw 'unable to find dvd drive'}
Hyper-V\Set-VMFirmware -VMName $vmName -FirstBootDevice $vmDvdDrive -ErrorAction SilentlyContinue
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, strconv.FormatInt(int64(controllerNumber), 10),
strconv.FormatInt(int64(controllerLocation), 10))
return err
}
}
func DeleteDvdDrive(vmName string, controllerNumber uint, controllerLocation uint) error {
var script = `
param([string]$vmName,[int]$controllerNumber,[int]$controllerLocation)
$vmDvdDrive = Hyper-V\Get-VMDvdDrive -VMName $vmName -ControllerNumber $controllerNumber -ControllerLocation $controllerLocation
if (!$vmDvdDrive) {throw 'unable to find dvd drive'}
Hyper-V\Remove-VMDvdDrive -VMName $vmName -ControllerNumber $controllerNumber -ControllerLocation $controllerLocation
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, strconv.FormatInt(int64(controllerNumber), 10),
strconv.FormatInt(int64(controllerLocation), 10))
return err
}
func DeleteAllDvdDrives(vmName string) error {
var script = `
param([string]$vmName)
Hyper-V\Get-VMDvdDrive -VMName $vmName | Hyper-V\Remove-VMDvdDrive
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
}
func MountFloppyDrive(vmName string, path string) error {
var script = `
param([string]$vmName, [string]$path)
Hyper-V\Set-VMFloppyDiskDrive -VMName $vmName -Path $path
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, path)
return err
}
func UnmountFloppyDrive(vmName string) error {
var script = `
param([string]$vmName)
Hyper-V\Set-VMFloppyDiskDrive -VMName $vmName -Path $null
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
}
// This was created as a proof of concept for moving logic out of the powershell
// scripting so that we can test the pathways activated by our variables.
// Rather than creating a powershell script with several conditionals, this will
// generate a conditional-free script which already sets all of the necessary
// variables inline.
//
// For examples of what this template will generate, you can look at the
// test cases in ./hyperv_test.go
//
func getCreateVMScript(opts *scriptOptions) (string, error) {
if opts.FixedVHD && opts.Generation == 2 {
return "", fmt.Errorf("Generation 2 VMs don't support fixed disks.")
}
opts.VHDX = opts.VMName + ".vhdx"
if opts.FixedVHD {
opts.VHDX = opts.VMName + ".vhd"
}
var tpl = template.Must(template.New("createVM").Parse(`
$vhdPath = Join-Path -Path "{{ .Path }}" -ChildPath "{{ .VHDX }}"
{{ if ne .HardDrivePath "" -}}
{{- if .DiffDisks -}}
Hyper-V\New-VHD -Path $vhdPath -ParentPath "{{ .HardDrivePath }}" -Differencing -BlockSizeBytes {{ .VHDBlockSizeBytes }}
{{- else -}}
Copy-Item -Path "{{ .HardDrivePath }}" -Destination $vhdPath
{{- end -}}
{{- else -}}
{{- if .FixedVHD -}}
Hyper-V\New-VHD -Path $vhdPath -Fixed -SizeBytes {{ .NewVHDSizeBytes }}
{{- else -}}
Hyper-V\New-VHD -Path $vhdPath -SizeBytes {{ .NewVHDSizeBytes }} -BlockSizeBytes {{ .VHDBlockSizeBytes }}
{{- end -}}
{{- end }}
Hyper-V\New-VM -Name "{{ .VMName }}" -Path "{{ .Path }}" -MemoryStartupBytes {{ .MemoryStartupBytes }} -VHDPath $vhdPath -SwitchName "{{ .SwitchName }}"
{{- if eq .Generation 2}} -Generation {{ .Generation }} {{- end -}}
{{- if ne .Version ""}} -Version {{ .Version }} {{- end -}}
`))
var b bytes.Buffer
err := tpl.Execute(&b, opts)
if err != nil {
return "", err
}
// Tidy away the excess newlines left over by the template
regex, err := regexp.Compile("^\n")
if err != nil {
return "", err
}
final := regex.ReplaceAllString(b.String(), "")
regex, err = regexp.Compile("\n\n")
final = regex.ReplaceAllString(final, "\n")
return final, nil
}
func CreateVirtualMachine(vmName string, path string, harddrivePath string, ram int64,
diskSize int64, diskBlockSize int64, switchName string, generation uint,
diffDisks bool, fixedVHD bool, version string) error {
opts := scriptOptions{
Version: version,
VMName: vmName,
Path: path,
HardDrivePath: harddrivePath,
MemoryStartupBytes: ram,
NewVHDSizeBytes: diskSize,
VHDBlockSizeBytes: diskBlockSize,
SwitchName: switchName,
Generation: generation,
DiffDisks: diffDisks,
FixedVHD: fixedVHD,
}
script, err := getCreateVMScript(&opts)
if err != nil {
return err
}
var ps powershell.PowerShellCmd
if err = ps.Run(script); err != nil {
return err
}
if err := DisableAutomaticCheckpoints(vmName); err != nil {
return err
}
if generation != 2 {
return DeleteAllDvdDrives(vmName)
}
return nil
}
func DisableAutomaticCheckpoints(vmName string) error {
var script = `
param([string]$vmName)
if ((Get-Command Hyper-V\Set-Vm).Parameters["AutomaticCheckpointsEnabled"]) {
Hyper-V\Set-Vm -Name $vmName -AutomaticCheckpointsEnabled $false }
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
}
func ExportVmcxVirtualMachine(exportPath string, vmName string, snapshotName string, allSnapshots bool) error {
var script = `
param([string]$exportPath, [string]$vmName, [string]$snapshotName, [string]$allSnapshotsString)
$WorkingPath = Join-Path $exportPath $vmName
if (Test-Path $WorkingPath) {
throw "Export path working directory: $WorkingPath already exists!"
}
$allSnapshots = [System.Boolean]::Parse($allSnapshotsString)
if ($snapshotName) {
$snapshot = Hyper-V\Get-VMSnapshot -VMName $vmName -Name $snapshotName
Hyper-V\Export-VMSnapshot -VMSnapshot $snapshot -Path $exportPath -ErrorAction Stop
} else {
if (!$allSnapshots) {
#Use last snapshot if one was not specified
$snapshot = Hyper-V\Get-VMSnapshot -VMName $vmName | Select -Last 1
} else {
$snapshot = $null
}
if (!$snapshot) {
#No snapshot clone
Hyper-V\Export-VM -Name $vmName -Path $exportPath -ErrorAction Stop
} else {
#Snapshot clone
Hyper-V\Export-VMSnapshot -VMSnapshot $snapshot -Path $exportPath -ErrorAction Stop
}
}
$result = Get-ChildItem -Path $WorkingPath | Move-Item -Destination $exportPath -Force
$result = Remove-Item -Path $WorkingPath
`
allSnapshotsString := "False"
if allSnapshots {
allSnapshotsString = "True"
}
var ps powershell.PowerShellCmd
err := ps.Run(script, exportPath, vmName, snapshotName, allSnapshotsString)
return err
}
func CopyVmcxVirtualMachine(exportPath string, cloneFromVmcxPath string) error {
var script = `
param([string]$exportPath, [string]$cloneFromVmcxPath)
if (!(Test-Path $cloneFromVmcxPath)){
throw "Clone from vmcx directory: $cloneFromVmcxPath does not exist!"
}
if (!(Test-Path $exportPath)){
New-Item -ItemType Directory -Force -Path $exportPath
}
$cloneFromVmcxPath = Join-Path $cloneFromVmcxPath '\*'
Copy-Item $cloneFromVmcxPath $exportPath -Recurse -Force
`
var ps powershell.PowerShellCmd
err := ps.Run(script, exportPath, cloneFromVmcxPath)
return err
}
func SetVmNetworkAdapterMacAddress(vmName string, mac string) error {
var script = `
param([string]$vmName, [string]$mac)
Hyper-V\Set-VMNetworkAdapter $vmName -staticmacaddress $mac
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, mac)
return err
}
func ImportVmcxVirtualMachine(importPath string, vmName string, harddrivePath string,
ram int64, switchName string, copyTF bool) error {
var script = `
param([string]$importPath, [string]$vmName, [string]$harddrivePath, [long]$memoryStartupBytes, [string]$switchName, [string]$copy)
$VirtualHarddisksPath = Join-Path -Path $importPath -ChildPath 'Virtual Hard Disks'
if (!(Test-Path $VirtualHarddisksPath)) {
New-Item -ItemType Directory -Force -Path $VirtualHarddisksPath
}
$vhdPath = ""
if ($harddrivePath){
$vhdx = $vmName + '.vhdx'
$vhdPath = Join-Path -Path $VirtualHarddisksPath -ChildPath $vhdx
}
$VirtualMachinesPath = Join-Path $importPath 'Virtual Machines'
if (!(Test-Path $VirtualMachinesPath)) {
New-Item -ItemType Directory -Force -Path $VirtualMachinesPath
}
$VirtualMachinePath = Get-ChildItem -Path $VirtualMachinesPath -Filter *.vmcx -Recurse -ErrorAction SilentlyContinue | select -First 1 | %{$_.FullName}
if (!$VirtualMachinePath){
$VirtualMachinePath = Get-ChildItem -Path $VirtualMachinesPath -Filter *.xml -Recurse -ErrorAction SilentlyContinue | select -First 1 | %{$_.FullName}
}
if (!$VirtualMachinePath){
$VirtualMachinePath = Get-ChildItem -Path $importPath -Filter *.xml -Recurse -ErrorAction SilentlyContinue | select -First 1 | %{$_.FullName}
}
$copyBool = $false
switch($copy) {
"true" { $copyBool = $true }
default { $copyBool = $false }
}
$compatibilityReport = Hyper-V\Compare-VM -Path $VirtualMachinePath -VirtualMachinePath $importPath -SmartPagingFilePath $importPath -SnapshotFilePath $importPath -VhdDestinationPath $VirtualHarddisksPath -GenerateNewId -Copy:$false
if ($vhdPath){
Copy-Item -Path $harddrivePath -Destination $vhdPath
$existingFirstHarddrive = $compatibilityReport.VM.HardDrives | Select -First 1
if ($existingFirstHarddrive) {
$existingFirstHarddrive | Hyper-V\Set-VMHardDiskDrive -Path $vhdPath
} else {
Hyper-V\Add-VMHardDiskDrive -VM $compatibilityReport.VM -Path $vhdPath
}
}
Hyper-V\Set-VMMemory -VM $compatibilityReport.VM -StartupBytes $memoryStartupBytes
$networkAdaptor = $compatibilityReport.VM.NetworkAdapters | Select -First 1
Hyper-V\Disconnect-VMNetworkAdapter -VMNetworkAdapter $networkAdaptor
Hyper-V\Connect-VMNetworkAdapter -VMNetworkAdapter $networkAdaptor -SwitchName $switchName
$vm = Hyper-V\Import-VM -CompatibilityReport $compatibilityReport
if ($vm) {
$result = Hyper-V\Rename-VM -VM $vm -NewName $VMName
}
`
var ps powershell.PowerShellCmd
err := ps.Run(script, importPath, vmName, harddrivePath, strconv.FormatInt(ram, 10), switchName, strconv.FormatBool(copyTF))
return err
}
func CloneVirtualMachine(cloneFromVmcxPath string, cloneFromVmName string,
cloneFromSnapshotName string, cloneAllSnapshots bool, vmName string,
path string, harddrivePath string, ram int64, switchName string, copyTF bool) error {
if cloneFromVmName != "" {
if err := ExportVmcxVirtualMachine(path, cloneFromVmName,
cloneFromSnapshotName, cloneAllSnapshots); err != nil {
return err
}
}
if cloneFromVmcxPath != "" {
if err := CopyVmcxVirtualMachine(path, cloneFromVmcxPath); err != nil {
return err
}
}
if err := ImportVmcxVirtualMachine(path, vmName, harddrivePath, ram, switchName, copyTF); err != nil {
return err
}
return DeleteAllDvdDrives(vmName)
}
func GetVirtualMachineGeneration(vmName string) (uint, error) {
var script = `
param([string]$vmName)
$generation = Hyper-V\Get-Vm -Name $vmName | %{$_.Generation}
if (!$generation){
$generation = 1
}
return $generation
`
var ps powershell.PowerShellCmd
cmdOut, err := ps.Output(script, vmName)
if err != nil {
return 0, err
}
generationUint32, err := strconv.ParseUint(strings.TrimSpace(string(cmdOut)), 10, 32)
if err != nil {
return 0, err
}
generation := uint(generationUint32)
return generation, err
}
func SetVirtualMachineCpuCount(vmName string, cpu uint) error {
var script = `
param([string]$vmName, [int]$cpu)
Hyper-V\Set-VMProcessor -VMName $vmName -Count $cpu
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, strconv.FormatInt(int64(cpu), 10))
return err
}
func SetVirtualMachineVirtualizationExtensions(vmName string, enableVirtualizationExtensions bool) error {
var script = `
param([string]$vmName, [string]$exposeVirtualizationExtensionsString)
$exposeVirtualizationExtensions = [System.Boolean]::Parse($exposeVirtualizationExtensionsString)
Hyper-V\Set-VMProcessor -VMName $vmName -ExposeVirtualizationExtensions $exposeVirtualizationExtensions
`
exposeVirtualizationExtensionsString := "False"
if enableVirtualizationExtensions {
exposeVirtualizationExtensionsString = "True"
}
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, exposeVirtualizationExtensionsString)
return err
}
func SetVirtualMachineDynamicMemory(vmName string, enableDynamicMemory bool) error {
var script = `
param([string]$vmName, [string]$enableDynamicMemoryString)
$enableDynamicMemory = [System.Boolean]::Parse($enableDynamicMemoryString)
Hyper-V\Set-VMMemory -VMName $vmName -DynamicMemoryEnabled $enableDynamicMemory
`
enableDynamicMemoryString := "False"
if enableDynamicMemory {
enableDynamicMemoryString = "True"
}
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, enableDynamicMemoryString)
return err
}
func SetVirtualMachineMacSpoofing(vmName string, enableMacSpoofing bool) error {
var script = `
param([string]$vmName, $enableMacSpoofing)
Hyper-V\Set-VMNetworkAdapter -VMName $vmName -MacAddressSpoofing $enableMacSpoofing
`
var ps powershell.PowerShellCmd
enableMacSpoofingString := "Off"
if enableMacSpoofing {
enableMacSpoofingString = "On"
}
err := ps.Run(script, vmName, enableMacSpoofingString)
return err
}
func SetVirtualMachineSecureBoot(vmName string, enableSecureBoot bool, templateName string) error {
var script = `
param([string]$vmName, [string]$enableSecureBootString, [string]$templateName)
$cmdlet = Get-Command Hyper-V\Set-VMFirmware
# The SecureBootTemplate parameter is only available in later versions
if ($cmdlet.Parameters.SecureBootTemplate) {
Hyper-V\Set-VMFirmware -VMName $vmName -EnableSecureBoot $enableSecureBootString -SecureBootTemplate $templateName
} else {
Hyper-V\Set-VMFirmware -VMName $vmName -EnableSecureBoot $enableSecureBootString
}
`
var ps powershell.PowerShellCmd
enableSecureBootString := "Off"
if enableSecureBoot {
enableSecureBootString = "On"
}
if templateName == "" {
templateName = "MicrosoftWindows"
}
err := ps.Run(script, vmName, enableSecureBootString, templateName)
return err
}
func DeleteVirtualMachine(vmName string) error {
var script = `
param([string]$vmName)
$vm = Hyper-V\Get-VM -Name $vmName
if (($vm.State -ne [Microsoft.HyperV.PowerShell.VMState]::Off) -and ($vm.State -ne [Microsoft.HyperV.PowerShell.VMState]::OffCritical)) {
Hyper-V\Stop-VM -VM $vm -TurnOff -Force -Confirm:$false
}
Hyper-V\Remove-VM -Name $vmName -Force -Confirm:$false
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
}
func ExportVirtualMachine(vmName string, path string) error {
var script = `
param([string]$vmName, [string]$path)
Hyper-V\Export-VM -Name $vmName -Path $path
if (Test-Path -Path ([IO.Path]::Combine($path, $vmName, 'Virtual Machines', '*.VMCX')))
{
$vm = Hyper-V\Get-VM -Name $vmName
$vm_adapter = Hyper-V\Get-VMNetworkAdapter -VM $vm | Select -First 1
$config = [xml]@"
<?xml version="1.0" ?>
<configuration>
<properties>
<subtype type="integer">$($vm.Generation - 1)</subtype>
<name type="string">$($vm.Name)</name>
</properties>
<settings>
<processors>
<count type="integer">$($vm.ProcessorCount)</count>
</processors>
<memory>
<bank>
<dynamic_memory_enabled type="bool">$($vm.DynamicMemoryEnabled)</dynamic_memory_enabled>
<limit type="integer">$($vm.MemoryMaximum / 1MB)</limit>
<reservation type="integer">$($vm.MemoryMinimum / 1MB)</reservation>
<size type="integer">$($vm.MemoryStartup / 1MB)</size>
</bank>
</memory>
</settings>
<AltSwitchName type="string">$($vm_adapter.SwitchName)</AltSwitchName>
<boot>
<device0 type="string">Optical</device0>
</boot>
<secure_boot_enabled type="bool">False</secure_boot_enabled>
<notes type="string">$($vm.Notes)</notes>
<vm-controllers/>
</configuration>
"@
if ($vm.Generation -eq 1)
{
$vm_controllers = Hyper-V\Get-VMIdeController -VM $vm
$controller_type = $config.SelectSingleNode('/configuration/vm-controllers')
# IDE controllers are not stored in a special XML container
}
else
{
$vm_controllers = Hyper-V\Get-VMScsiController -VM $vm
$controller_type = $config.CreateElement('scsi')
$controller_type.SetAttribute('ChannelInstanceGuid', 'x')
# SCSI controllers are stored in the scsi XML container
if ((Hyper-V\Get-VMFirmware -VM $vm).SecureBoot -eq [Microsoft.HyperV.PowerShell.OnOffState]::On)
{
$config.configuration.secure_boot_enabled.'#text' = 'True'
}
else
{
$config.configuration.secure_boot_enabled.'#text' = 'False'
}
}
$vm_controllers | ForEach {
$controller = $config.CreateElement('controller' + $_.ControllerNumber)
$_.Drives | ForEach {
$drive = $config.CreateElement('drive' + ($_.DiskNumber + 0))
$drive_path = $config.CreateElement('pathname')
$drive_path.SetAttribute('type', 'string')
$drive_path.AppendChild($config.CreateTextNode($_.Path))
$drive_type = $config.CreateElement('type')
$drive_type.SetAttribute('type', 'string')
if ($_ -is [Microsoft.HyperV.PowerShell.HardDiskDrive])
{
$drive_type.AppendChild($config.CreateTextNode('VHD'))
}
elseif ($_ -is [Microsoft.HyperV.PowerShell.DvdDrive])
{
$drive_type.AppendChild($config.CreateTextNode('ISO'))
}
else
{
$drive_type.AppendChild($config.CreateTextNode('NONE'))
}
$drive.AppendChild($drive_path)
$drive.AppendChild($drive_type)
$controller.AppendChild($drive)
}
$controller_type.AppendChild($controller)
}
if ($controller_type.Name -ne 'vm-controllers')
{
$config.SelectSingleNode('/configuration/vm-controllers').AppendChild($controller_type)
}
$config.Save([IO.Path]::Combine($path, $vm.Name, 'Virtual Machines', 'box.xml'))
}
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, path)
return err
}
func PreserveLegacyExportBehaviour(srcPath, dstPath string) error {
var script = `
param([string]$srcPath, [string]$dstPath)
# Validate the paths returning an error if they are empty or don't exist
$srcPath, $dstPath | % {
if ($_) {
if (! (Test-Path $_)) {
[System.Console]::Error.WriteLine("Path $_ does not exist")
exit
}
} else {
[System.Console]::Error.WriteLine("A supplied path is empty")
exit
}
}
# Export-VM should just create directories at the root of the export path
# but, just in case, move all files as well...
Move-Item -Path (Join-Path (Get-Item $srcPath).FullName "*.*") -Destination (Get-Item $dstPath).FullName
# Move directories with content; Delete empty directories
$dirObj = Get-ChildItem $srcPath -Directory | % {
New-Object PSObject -Property @{
FullName=$_.FullName;
HasContent=$(if ($_.GetFileSystemInfos().Count -gt 0) {$true} else {$false})
}
}
foreach ($directory in $dirObj) {
if ($directory.HasContent) {
Move-Item -Path $directory.FullName -Destination (Get-Item $dstPath).FullName
} else {
Remove-Item -Path $directory.FullName
}
}
# Only remove the source directory if it is now empty
if ( $((Get-Item $srcPath).GetFileSystemInfos().Count) -eq 0 ) {
Remove-Item -Path $srcPath
} else {
# 'Return' an error message to PowerShellCmd as the directory should
# always be empty at the end of the script. The check is here to stop
# the Remove-Item command from doing any damage if some unforeseen
# error has occured
[System.Console]::Error.WriteLine("Refusing to remove $srcPath as it is not empty")
exit
}
`
var ps powershell.PowerShellCmd
err := ps.Run(script, srcPath, dstPath)
return err
}
func MoveCreatedVHDsToOutputDir(srcPath, dstPath string) error {
var script = `
param([string]$srcPath, [string]$dstPath)
# Validate the paths returning an error if the supplied path is empty
# or if the paths don't exist
$srcPath, $dstPath | % {
if ($_) {
if (! (Test-Path $_)) {
[System.Console]::Error.WriteLine("Path $_ does not exist")
exit
}
} else {
[System.Console]::Error.WriteLine("A supplied path is empty")
exit
}
}
# Convert to absolute paths if required
$srcPathAbs = (Get-Item($srcPath)).FullName
$dstPathAbs = (Get-Item($dstPath)).FullName
# Get the full path to all disks under the directory or exit if none are found
$disks = Get-ChildItem -Path $srcPathAbs -Recurse -Filter *.vhd* -ErrorAction SilentlyContinue | % { $_.FullName }
if ($disks.Length -eq 0) {
[System.Console]::Error.WriteLine("No disks found under $srcPathAbs")
exit
}
# Set up directory for VHDs in the destination directory
$vhdDstDir = Join-Path -Path $dstPathAbs -ChildPath 'Virtual Hard Disks'
if (! (Test-Path $vhdDstDir)) {
New-Item -ItemType Directory -Force -Path $vhdDstDir
}
# Move the disks
foreach ($disk in $disks) {
Move-Item -Path $disk -Destination $vhdDstDir
}
`
var ps powershell.PowerShellCmd
err := ps.Run(script, srcPath, dstPath)
return err
}
func CompactDisks(path string) (result string, err error) {
var script = `
param([string]$srcPath)
$disks = Get-ChildItem -Path $srcPath -Recurse -Filter *.vhd* -ErrorAction SilentlyContinue | % { $_.FullName }
# Failure to find any disks is treated as a 'soft' error. Simply print out
# a warning and exit
if ($disks.Length -eq 0) {
Write-Output "WARNING: No disks found under $srcPath"
exit
}
foreach ($disk in $disks) {
Write-Output "Compacting disk: $(Split-Path $disk -leaf)"
$sizeBefore = $disk.Length
Optimize-VHD -Path $disk -Mode Full
$sizeAfter = $disk.Length
# Calculate the percentage change in disk size
if ($sizeAfter -gt 0) { # Protect against division by zero
$percentChange = ( ( $sizeAfter / $sizeBefore ) * 100 ) - 100
switch($percentChange) {
{$_ -lt 0} {Write-Output "Disk size reduced by: $(([math]::Abs($_)).ToString("#.#"))%"}
{$_ -eq 0} {Write-Output "Disk size is unchanged"}
{$_ -gt 0} {Write-Output "WARNING: Disk size increased by: $($_.ToString("#.#"))%"}
}
}
}
`
var ps powershell.PowerShellCmd
result, err = ps.Output(script, path)
return
}
func CreateVirtualSwitch(switchName string, switchType string) (bool, error) {
var script = `
param([string]$switchName,[string]$switchType)
$switches = Hyper-V\Get-VMSwitch -Name $switchName -ErrorAction SilentlyContinue
if ($switches.Count -eq 0) {
Hyper-V\New-VMSwitch -Name $switchName -SwitchType $switchType
return $true
}
return $false
`
var ps powershell.PowerShellCmd
cmdOut, err := ps.Output(script, switchName, switchType)
var created = strings.TrimSpace(cmdOut) == "True"
return created, err
}
func DeleteVirtualSwitch(switchName string) error {
var script = `
param([string]$switchName)
$switch = Hyper-V\Get-VMSwitch -Name $switchName -ErrorAction SilentlyContinue
if ($switch -ne $null) {
$switch | Hyper-V\Remove-VMSwitch -Force -Confirm:$false
}
`
var ps powershell.PowerShellCmd
err := ps.Run(script, switchName)
return err
}
func StartVirtualMachine(vmName string) error {
var script = `
param([string]$vmName)
$vm = Hyper-V\Get-VM -Name $vmName -ErrorAction SilentlyContinue
if ($vm.State -eq [Microsoft.HyperV.PowerShell.VMState]::Off) {
Hyper-V\Start-VM -Name $vmName -Confirm:$false
}
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
}
func RestartVirtualMachine(vmName string) error {
var script = `
param([string]$vmName)
Hyper-V\Restart-VM $vmName -Force -Confirm:$false
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
}
func StopVirtualMachine(vmName string) error {
var script = `
param([string]$vmName)
$vm = Hyper-V\Get-VM -Name $vmName
if ($vm.State -eq [Microsoft.HyperV.PowerShell.VMState]::Running) {
Hyper-V\Stop-VM -VM $vm -Force -Confirm:$false
}
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName)
return err
}
func EnableVirtualMachineIntegrationService(vmName string, integrationServiceName string) error {
integrationServiceId := ""
switch integrationServiceName {
case "Time Synchronization":
integrationServiceId = "2497F4DE-E9FA-4204-80E4-4B75C46419C0"
case "Heartbeat":
integrationServiceId = "84EAAE65-2F2E-45F5-9BB5-0E857DC8EB47"
case "Key-Value Pair Exchange":
integrationServiceId = "2A34B1C2-FD73-4043-8A5B-DD2159BC743F"
case "Shutdown":
integrationServiceId = "9F8233AC-BE49-4C79-8EE3-E7E1985B2077"
case "VSS":
integrationServiceId = "5CED1297-4598-4915-A5FC-AD21BB4D02A4"
case "Guest Service Interface":
integrationServiceId = "6C09BB55-D683-4DA0-8931-C9BF705F6480"
default:
panic("unrecognized Integration Service Name")
}
var script = `
param([string]$vmName,[string]$integrationServiceId)
Hyper-V\Get-VMIntegrationService -VmName $vmName | ?{$_.Id -match $integrationServiceId} | Hyper-V\Enable-VMIntegrationService
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, integrationServiceId)
return err
}
func SetNetworkAdapterVlanId(switchName string, vlanId string) error {
var script = `
param([string]$networkAdapterName,[string]$vlanId)
Hyper-V\Set-VMNetworkAdapterVlan -ManagementOS -VMNetworkAdapterName $networkAdapterName -Access -VlanId $vlanId
`
var ps powershell.PowerShellCmd
err := ps.Run(script, switchName, vlanId)
return err
}
func SetVirtualMachineVlanId(vmName string, vlanId string) error {
var script = `
param([string]$vmName,[string]$vlanId)
Hyper-V\Set-VMNetworkAdapterVlan -VMName $vmName -Access -VlanId $vlanId
`
var ps powershell.PowerShellCmd
err := ps.Run(script, vmName, vlanId)
return err