Public/Manage-HyperVVM.ps1
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<#
.SYNOPSIS Manages a HyperV VM. This is a refactor of the PowerShell Script used to deploy a MobyLinux VM on Hyper-V during a Docker CE install. The refactor was done mostly to fix permissions issues that occur when running Hyper-V on a Guest VM in order to deploy a Nested VM, but it also works just fine on baremetal Hyper-V. .DESCRIPTION Creates/Destroys/Starts/Stops A HyperV VM This function is a refactored version of MobyLinux.ps1 that is bundled with a DockerCE install. This function deploys newly created VMs to "C:\Users\Public\Documents". This location is hardcoded for now. .PARAMETER VmName If passed, use this name for the HyperV VM .PARAMETER IsoFile Path to the ISO image, must be set for Create/ReCreate .PARAMETER SwitchName Name of the switch you want to attatch to your new VM. .PARAMETER VMGen Generation of the VM you would like to create. Can be either 1 or 2. Defaults to 2. .PARAMETER VhdSize Uint64 value representing size of new .vhd/.vhdx. Example: [uint64]30GB .PARAMETER PreferredIntegrationServices List of Hyper-V Integration Services you would like enabled for your new VM. Valid values are: "Heartbeat","Shutdown","TimeSynch","GuestServiceInterface","KeyValueExchange","VSS" Defaults to enabling: "Heartbeat","Shutdown","TimeSynch","GuestServiceInterface","KeyValueExchange" .PARAMETER VhdPathOverride By default, VHD file(s) for the new VM are stored under "C:\Users\Public\Documents\HyperV". If you want VHD(s) stored elsewhere, provide this parameter with a full path to a directory. .PARAMETER NoVhd This parameter is a switch. Use it to create a new VM without a VHD. For situations where you want to attach a VHD later. .PARAMETER Create Create a HyperV VM .PARAMETER CPUs CPUs used in the VM (optional on Create, default: min(2, number of CPUs on the host)) .PARAMETER Memory Memory allocated for the VM at start in MB (optional on Create, default: 2048 MB) .PARAMETER Destroy Remove a HyperV VM .PARAMETER KeepVolume If passed, will not delete the VHD on Destroy .PARAMETER Start Start an existing HyperV VM .PARAMETER Stop Stop a running HyperV VM .EXAMPLE # Open an elevated PowerShell Session, import the module, and - PS C:\Users\zeroadmin> Manage-HyperVVM -VMName "TestVM" -SwitchName "ToMgmt" -IsoFile .\mobylinux.iso -VMGen 1 -Create .EXAMPLE # Open an elevated PowerShell Session, import the module, and - PS C:\Users\zeroadmin> Manage-HyperVVM -VMName "TestVM" -SwitchName "ToMgmt" -VHDPathOverride "C:\Win1016Serv.vhdx" -VMGen 2 -Memory 4096 -Create #> function Manage-HyperVVM { [CmdletBinding()] Param( [Parameter(Mandatory=$True)] [string]$VmName, [Parameter( Mandatory=$False, ParameterSetName='Create' )] [string]$IsoFile, [Parameter( Mandatory=$True, ParameterSetName='Create' )] [string]$SwitchName, [Parameter( Mandatory=$False, ParameterSetName='Create' )] [ValidateSet(1,2)] [int]$VMGen = 2, [Parameter( Mandatory=$False, ParameterSetName='Create' )] [uint64]$VhdSize, [Parameter( Mandatory=$False, ParameterSetName='Create' )] [ValidateSet("Heartbeat","Shutdown","Time Synchronization","Guest Service Interface","Key-Value Pair Exchange","VSS")] [string[]]$PreferredIntegrationServices = @("Heartbeat","Shutdown","Time Synchronization","Guest Service Interface","Key-Value Pair Exchange"), [Parameter(Mandatory=$False)] [string]$VhdPathOverride, [Parameter(Mandatory=$False)] [switch]$NoVhd, [Parameter( Mandatory=$False, ParameterSetName='Create' )] [switch]$Create, [Parameter( Mandatory=$False, ParameterSetName='Create' )] [int]$CPUs = 1, [Parameter( Mandatory=$False, ParameterSetName='Create' )] [long]$Memory = 2048, [Parameter( Mandatory=$False, ParameterSetName='Destroy' )] [switch]$Destroy, [Parameter( Mandatory=$False, ParameterSetName='Destroy' )] [switch]$KeepVolume, [Parameter( Mandatory=$False, ParameterSetName='Start' )] [switch]$Start, [Parameter( Mandatory=$False, ParameterSetName='Stop' )] [switch]$Stop ) ##### BEGIN Variable/Parameter Transforms and PreRun Prep ##### # This is only a problem for Windows_Server_2016_14393.0.160715-1616.RS1_RELEASE_SERVER_EVAL_X64FRE_EN-US (technet_official).ISO <# if ($IsoFile) { if ($IsoFile -notmatch "C:\\Users\\Public") { Write-Error "The ISO File used to install the new VM's Operating System must be placed somewhere under 'C:\Users\Public' due to permissions issues! Halting!" $global:FunctionResult = "1" return } } #> # Make sure we stop at Errors unless otherwise explicitly specified $ErrorActionPreference = "Stop" $ProgressPreference = "SilentlyContinue" # Explicitly disable Module autoloading and explicitly import the # Modules this script relies on. This is not strictly necessary but # good practise as it prevents arbitrary errors # More Info: https://blogs.msdn.microsoft.com/timid/2014/09/02/psmoduleautoloadingpreference-and-you/ $PSModuleAutoloadingPreference = 'None' # Check to see if Hyper-V is installed: if ($(Get-Module).Name -notcontains "Dism") { # Using full path to Dism Module Manifest because sometimes there are issues with just 'Import-Module Dism' $DismModuleManifestPaths = $(Get-Module -ListAvailable -Name Dism).Path foreach ($MMPath in $DismModuleManifestPaths) { try { Import-Module $MMPath -ErrorAction Stop break } catch { continue } } } if ($(Get-Module).Name -notcontains "Dism") { Write-Error "Problem importing the Dism PowerShell Module! Halting!" $global:FunctionResult = "1" return } $HyperVCheck = Get-WindowsOptionalFeature -FeatureName Microsoft-Hyper-V -Online if ($HyperVCheck.State -ne "Enabled") { Write-Error "Please install Hyper-V before proceeding! Halting!" $global:FunctionResult = "1" return } Write-Host "Script started at $(Get-Date -Format "HH:mm:ss.fff")" # Hard coded for now if (!$VhdSize) { $VhdSize = [uint64]30GB } ##### END Variable/Parameter Transforms and PreRun Prep ##### ##### BEGIN Helper Functions ##### function Get-Vhd-Root { if($VhdPathOverride){ return $VhdPathOverride } # Default location for VHDs $VhdRoot = "$((Hyper-V\Get-VMHost -ComputerName localhost).VirtualHardDiskPath)".TrimEnd("\") # Where we put the Nested VM return "$VhdRoot\$VmName.vhdx" } function New-Switch { $ipParts = $SwitchSubnetAddress.Split('.') [int]$switchIp3 = $null [int32]::TryParse($ipParts[3] , [ref]$switchIp3 ) | Out-Null $Ip0 = $ipParts[0] $Ip1 = $ipParts[1] $Ip2 = $ipParts[2] $Ip3 = $switchIp3 + 1 $switchAddress = "$Ip0.$Ip1.$Ip2.$Ip3" $vmSwitch = Get-VMSwitch $SwitchName -SwitchType Internal -ea SilentlyContinue $vmNetAdapter = Get-VMNetworkAdapter -ManagementOS -SwitchName $SwitchName -ea SilentlyContinue if ($vmSwitch -and $vmNetAdapter) { Write-Host "Using existing Switch: $SwitchName" } else { Write-Host "Creating Switch: $SwitchName..." Remove-VMSwitch $SwitchName -Force -ea SilentlyContinue $null = New-VMSwitch $SwitchName -SwitchType Internal -ea SilentlyContinue $vmNetAdapter = Get-VMNetworkAdapter -ManagementOS -SwitchName $SwitchName Write-Host "Switch created." } # Make sure there are no lingering net adapter $netAdapters = Get-NetAdapter | Where-Object { $_.Name.StartsWith("vEthernet ($SwitchName)") } if (($netAdapters).Length -gt 1) { Write-Host "Disable and rename invalid NetAdapters" $now = (Get-Date -Format FileDateTimeUniversal) $index = 1 $invalidNetAdapters = $netAdapters | Where-Object { $_.DeviceID -ne $vmNetAdapter.DeviceId } foreach ($netAdapter in $invalidNetAdapters) { $null = Disable-NetAdapter -Name $netAdapter.Name -Confirm:$false $null = Rename-NetAdapter -Name $netAdapter.Name -NewName "Broken Docker Adapter ($now) ($index)" $index++ } } # Make sure the Switch has the right IP address $networkAdapter = Get-NetAdapter | Where-Object { $_.DeviceID -eq $vmNetAdapter.DeviceId } if ($networkAdapter.InterfaceAlias -eq $(Get-NetIPAddress -IPAddress $switchAddress -ea SilentlyContinue).InterfaceAlias) { Disable-NetAdapterBinding -Name $networkAdapter.Name -ComponentID ms_server -ea SilentlyContinue Enable-NetAdapterBinding -Name $networkAdapter.Name -ComponentID ms_server -ea SilentlyContinue Write-Host "Using existing Switch IP address" return } Remove-NetIPAddress -InterfaceAlias $networkAdapter.InterfaceAlias -Confirm:$false -ea SilentlyContinue Set-NetIPInterface -InterfaceAlias $networkAdapter.InterfaceAlias -Dhcp Disabled -ea SilentlyContinue New-NetIPAddress -InterfaceAlias $networkAdapter.InterfaceAlias -AddressFamily IPv4 -IPAddress $switchAddress -PrefixLength ($SwitchSubnetMaskSize) -ea Stop | Out-Null Disable-NetAdapterBinding -Name $networkAdapter.Name -ComponentID ms_server -ea SilentlyContinue Enable-NetAdapterBinding -Name $networkAdapter.Name -ComponentID ms_server -ea SilentlyContinue Write-Host "Set IP address on switch" } function Remove-Switch { Write-Host "Destroying Switch $SwitchName..." # Let's remove the IP otherwise a nasty bug makes it impossible # to recreate the vswitch $vmNetAdapter = Get-VMNetworkAdapter -ManagementOS -SwitchName $SwitchName -ea SilentlyContinue if ($vmNetAdapter) { $networkAdapter = Get-NetAdapter | Where-Object { $_.DeviceID -eq $vmNetAdapter.DeviceId } Remove-NetIPAddress -InterfaceAlias $networkAdapter.InterfaceAlias -Confirm:$false -ea SilentlyContinue } Remove-VMSwitch $SwitchName -Force -ea SilentlyContinue } function New-HyperVVM { <# if (!(Test-Path $IsoFile)) { Fatal "ISO file at $IsoFile does not exist" } #> $CPUs = [Math]::min((Hyper-V\Get-VMHost -ComputerName localhost).LogicalProcessorCount, $CPUs) $vm = Hyper-V\Get-VM $VmName -ea SilentlyContinue if ($vm) { if ($vm.Length -ne 1) { Fatal "Multiple VMs exist with the name $VmName. Delete invalid ones and try again." } } else { # Create the Snapshot Directory if it doesn't already exist $SnapShotDir = $($VhdPathOverride -split "Virtual Hard Disks")[0] + "Snapshots" if (!$(Test-Path $SnapShotDir)) { $null = New-Item -ItemType Directory -Path $SnapShotDir -Force } Write-Host "Creating VM $VmName..." $vm = Hyper-V\New-VM -Name $VmName -Generation $VMGen -NoVHD $SetVMSplatParams = @{ Name = $VmName AutomaticStartAction = "Nothing" AutomaticStopAction = "ShutDown" CheckpointType = "Production" SnapShotFileLocation = $SnapShotDir } $null = Hyper-V\Set-VM @SetVMSplatParams } <# if ($vm.Generation -ne 2) { Fatal "VM $VmName is a Generation $($vm.Generation) VM. It should be a Generation 2." } #> if ($vm.State -ne "Off") { Write-Host "VM $VmName is $($vm.State). Cannot change its settings." return } Write-Host "Setting CPUs to $CPUs and Memory to $Memory MB" $Memory = ([Math]::min($Memory, (Hyper-V\Get-VMMemory -VMName $VMName).MaximumPerNumaNode)) Hyper-V\Set-VM -Name $VMName -MemoryStartupBytes ($Memory*1024*1024) -ProcessorCount $CPUs -StaticMemory if (!$NoVhd) { $VmVhdFile = Get-Vhd-Root $vhd = Get-VHD -Path $VmVhdFile -ea SilentlyContinue if (!$vhd) { Write-Host "Creating dynamic VHD: $VmVhdFile" $vhd = New-VHD -ComputerName localhost -Path $VmVhdFile -Dynamic -SizeBytes $VhdSize } ## BEGIN Try and Update Permissions ## if ($($VMVhdFile -split "\\")[0] -eq $env:SystemDrive) { if ($VMVhdFile -match "\\Users\\") { $UserDirPrep = $VMVHdFile -split "\\Users\\" $UserDir = $UserDirPrep[0] + "\Users\" + $($UserDirPrep[1] -split "\\")[0] # We can assume there is at least one folder under $HOME before getting to the .vhd file $DirectoryThatMayNeedPermissionsFixPrep = $UserDir + '\' + $($UserDirPrep[1] -split "\\")[1] # If $DirectoryThatMayNeedPermissionsFixPrep isn't a SpecialFolder typically found under $HOME # then assume we can mess with permissions. Else, target one directory deeper. $HomeDirCount = $($HOME -split '\\').Count $SpecialFoldersDirectlyUnderHomePrep = [enum]::GetNames('System.Environment+SpecialFolder') | foreach { [environment]::GetFolderPath($_) } | Sort-Object | Get-Unique | Where-Object {$_ -match "$($HOME -replace '\\','\\')"} $SpecialFoldersDirectlyUnderHome = $SpecialFoldersDirectlyUnderHomePrep | Where-Object {$($_ -split '\\').Count -eq $HomeDirCount+1} if ($SpecialFoldersDirectlyUnderHome -notcontains $DirectoryThatMayNeedPermissionsFixPrep) { $DirectoryThatMayNeedPermissionsFix = $DirectoryThatMayNeedPermissionsFixPrep } else { # Go one folder deeper... $DirectoryThatMayNeedPermissionsFix = $UserDir + '\' + $($UserDirPrep[1] -split "\\")[1] + '\' + $($UserDirPrep[1] -split "\\")[2] } try { if ($PSVersionTable.PSEdition -eq "Core") { [System.Collections.ArrayList]$ArgsToPass = @() $null = $ArgsToPass.Add($DirectoryThatMayNeedPermissionsFix) foreach ($FuncString in $script:FunctionsForSBUse) {$null = $ArgsToPass.Add($FuncString)} $FixPermissionsResult = Invoke-WinCommand -ComputerName localhost -ScriptBlock { $args[1..$($args.Count-1)] | foreach {Invoke-Expression $_} FixNTVirtualMachinesPerms -DirectoryPath $args[0] } -ArgumentList $ArgsToPass } else { FixNTVirtualMachinesPerms -DirectoryPath $DirectoryThatMayNeedPermissionsFix } } catch { Write-Error $_ Write-Error "The FixNTVirtualMachinesPerms function failed! Halting!" $global:FunctionResult = "1" return } } else { $DirectoryThatMayNeedPermissionsFix = $VMVhdFile | Split-Path -Parent try { if ($PSVersionTable.PSEdition -eq "Core") { [System.Collections.ArrayList]$ArgsToPass = @() $null = $ArgsToPass.Add($DirectoryThatMayNeedPermissionsFix) foreach ($FuncString in $script:FunctionsForSBUse) {$null = $ArgsToPass.Add($FuncString)} $FixPermissionsResult = Invoke-WinCommand -ComputerName localhost -ScriptBlock { $args[1..$($args.Count-1)] | foreach {Invoke-Expression $_} FixNTVirtualMachinesPerms -DirectoryPath $args[0] } -ArgumentList $ArgsToPass } else { FixNTVirtualMachinesPerms -DirectoryPath $DirectoryThatMayNeedPermissionsFix } } catch { Write-Error $_ Write-Error "The FixNTVirtualMachinesPerms function failed! Halting!" $global:FunctionResult = "1" return } } } # Also fix permissions on "$env:SystemDrive\Users\Public" and "$env:SystemDrive\ProgramData\Microsoft\Windows\Hyper-V" # the because lots of software (like Docker) likes throwing stuff in these locations $PublicUserDirectoryPath = "$env:SystemDrive\Users\Public" $HyperVConfigDir = "$env:SystemDrive\ProgramData\Microsoft\Windows\Hyper-V" [System.Collections.ArrayList]$DirsToPotentiallyFix = @($PublicUserDirectoryPath,$HyperVConfigDir) foreach ($dir in $DirsToPotentiallyFix) { if (Test-Path $dir) { try { if ($PSVersionTable.PSEdition -eq "Core") { [System.Collections.ArrayList]$ArgsToPass = @() $null = $ArgsToPass.Add($dir) foreach ($FuncString in $script:FunctionsForSBUse) {$null = $ArgsToPass.Add($FuncString)} $FixPermissionsResult = Invoke-WinCommand -ComputerName localhost -ScriptBlock { $args[1..$($args.Count-1)] | foreach {Invoke-Expression $_} FixNTVirtualMachinesPerms -DirectoryPath $args[0] } -ArgumentList $ArgsToPass } else { FixNTVirtualMachinesPerms -DirectoryPath $dir } } catch { Write-Error $_ Write-Error "The FixNTVirtualMachinesPerms function failed! Halting!" $global:FunctionResult = "1" return } } } ## END Try and Update Permissions ## if ($vm.HardDrives.Path -ne $VmVhdFile) { if ($vm.HardDrives) { Write-Host "Remove existing VHDs" Hyper-V\Remove-VMHardDiskDrive $vm.HardDrives -ea SilentlyContinue } Write-Host "Attach VHD $VmVhdFile" $null = Hyper-V\Add-VMHardDiskDrive -VMName $VMName -Path $VmVhdFile } } $vmNetAdapter = Hyper-V\Get-VMNetworkAdapter -VMName $VMName if (!$vmNetAdapter) { Write-Host "Attach Net Adapter" $vmNetAdapter = Hyper-V\Add-VMNetworkAdapter -VMName $VMName -SwitchName $SwitchName -Passthru } Write-Host "Connect Switch $SwitchName" Hyper-V\Connect-VMNetworkAdapter -VMName $VMName -SwitchName $SwitchName if ($IsoFile) { if ($vm.DVDDrives.Path -ne $IsoFile) { if ($vm.DVDDrives) { Write-Host "Remove existing DVDs" $ExistingDvDDriveInfo = Get-VMDvdDrive -VMName $VMName Hyper-V\Remove-VMDvdDrive -VMName $VMName -ControllerNumber $ExistingDvDDriveInfo.ControllerNumber -ControllerLocation $ExistingDvDDriveInfo.ControllerLocation } Write-Host "Attach DVD $IsoFile" Hyper-V\Add-VMDvdDrive -VMName $VMName -Path $IsoFile } # Ensure $IsoFile is the first boot device $iso = Get-VMFirmware -VMName $vm.Name | Select-Object -ExpandProperty BootOrder | Where-Object { $_.FirmwarePath.EndsWith("Scsi(0,1)") } Set-VMFirmware -VMName $vm.Name -EnableSecureBoot Off -FirstBootDevice $iso } <# if ($PSVersionTable.PSEdition -eq "Core") { Invoke-WinCommand -ComputerName localhost -ScriptBlock { $iso = Get-VMFirmware -VMName $args[0] | Select-Object -ExpandProperty BootOrder | Where-Object { $_.FirmwarePath.EndsWith("Scsi(0,1)") } Set-VMFirmware -VMName $args[0] -EnableSecureBoot Off -FirstBootDevice $iso Set-VMComPort -VMName $args[0] -number 1 -Path "\\.\pipe\docker$($args[0])-com1" } -ArgumentList $VmName } else { $iso = Get-VMFirmware -VMName $vm.Name | Select-Object -ExpandProperty BootOrder | Where-Object { $_.FirmwarePath.EndsWith("Scsi(0,1)") } Set-VMFirmware -VMName $vm.Name -EnableSecureBoot Off -FirstBootDevice $iso Set-VMComPort -VMName $vm.Name -number 1 -Path "\\.\pipe\docker$VmName-com1" } #> # Enable only prefered VM integration services [System.Collections.ArrayList]$intSvc = @() foreach ($integrationService in $PreferredIntegrationServices) { switch ($integrationService) { 'Heartbeat' { $null = $intSvc.Add("Microsoft:$($vm.Id)\84EAAE65-2F2E-45F5-9BB5-0E857DC8EB47") } 'Shutdown' { $null = $intSvc.Add("Microsoft:$($vm.Id)\9F8233AC-BE49-4C79-8EE3-E7E1985B2077") } 'Time Synchronization' { $null = $intSvc.Add("Microsoft:$($vm.Id)\2497F4DE-E9FA-4204-80E4-4B75C46419C0") } 'Guest Service Interface' { $null = $intSvc.Add("Microsoft:$($vm.Id)\6C09BB55-D683-4DA0-8931-C9BF705F6480") } 'Key-Value Pair Exchange' { $null = $intSvc.Add("Microsoft:$($vm.Id)\2A34B1C2-FD73-4043-8A5B-DD2159BC743F") } 'VSS' { $null = $intSvc.Add("Microsoft:$($vm.Id)\5CED1297-4598-4915-A5FC-AD21BB4D02A4") } } } Hyper-V\Get-VMIntegrationService -VMName $VMName | foreach { if ($PreferredIntegrationServices -contains $_.Name) { $null = Hyper-V\Enable-VMIntegrationService -VMName $VMName -Name $_.Name Write-Host "Enabled $($_.Name)" } else { $null = Hyper-V\Disable-VMIntegrationService -VMName $VMName -Name $_.Name Write-Host "Disabled $($_.Name)" } } #$vm | Hyper-V\Disable-VMConsoleSupport Hyper-V\Enable-VMConsoleSupport -VMName $VMName Write-Host "VM created." } function Remove-HyperVVM { Write-Host "Removing VM $VmName..." Hyper-V\Remove-VM $VmName -Force -ea SilentlyContinue if (!$KeepVolume) { $VmVhdFile = Get-Vhd-Root Write-Host "Delete VHD $VmVhdFile" Remove-Item $VmVhdFile -ea SilentlyContinue } } function Start-HyperVVM { Write-Host "Starting VM $VmName..." Hyper-V\Start-VM -VMName $VmName } function Stop-HyperVVM { $vms = Hyper-V\Get-VM $VmName -ea SilentlyContinue if (!$vms) { Write-Host "VM $VmName does not exist" return } foreach ($vm in $vms) { Stop-VM-Force($vm) } } function Stop-VM-Force { Param($vm) if ($vm.State -eq 'Off') { Write-Host "VM $VmName is stopped" return } $vmId = $vm.VMId.Guid $code = { #Param($vmId) # Passing the $vm ref is not possible because it will be disposed already $vm = Hyper-V\Get-VM -Name $VmName -ea SilentlyContinue if (!$vm) { Write-Host "VM with Name $VmName does not exist" return } $shutdownService = Hyper-V\Get-VMIntegrationService -VMName $VmName -Name Shutdown -ea SilentlyContinue if ($shutdownService -and $shutdownService.PrimaryOperationalStatus -eq 'Ok') { Write-Host "Shutdown VM $VmName..." Hyper-V\Stop-VM -VMName $vm.Name -Confirm:$false -Force -ea SilentlyContinue if ($vm.State -eq 'Off') { return } } Write-Host "Turn Off VM $VmName..." Hyper-V\Stop-VM -VMName $vm.Name -Confirm:$false -TurnOff -Force -ea SilentlyContinue } Write-Host "Stopping VM $VmName..." $null = New-Runspace -RunspaceName "StopVM$VmName" -ScriptBlock $code $Counter = 0 while ($(Hyper-V\Get-VM -Name $VmName).State -ne "Off") { Write-Verbose "Waiting for $VmName to Stop..." Start-Sleep -Seconds 5 $Counter++ } $vm = Hyper-V\Get-VM -Name $VmName -ea SilentlyContinue if ($vm.State -eq 'Off') { Write-Host "VM $VmName is stopped" return } # If the VM cannot be stopped properly after the timeout # then we have to kill the process and wait till the state changes to "Off" for ($count = 1; $count -le 10; $count++) { $ProcessID = (Get-WmiObject -Namespace root\virtualization\v2 -Class Msvm_ComputerSystem -Filter "Name = '$vmId'").ProcessID if (!$ProcessID) { Write-Host "VM $VmName killed. Waiting for state to change" for ($count = 1; $count -le 20; $count++) { $vm = Hyper-V\Get-VM -Name $VmName -ea SilentlyContinue if ($vm.State -eq 'Off') { Write-Host "Killed VM $VmName is off" #Remove-Switch $oldKeepVolumeValue = $KeepVolume $KeepVolume = $true Remove-HyperVVM $KeepVolume = $oldKeepVolumeValue return } Start-Sleep -Seconds 1 } Fatal "Killed VM $VmName did not stop" } if ($ProcessID) { Write-Host "Kill VM $VmName process..." Stop-Process $ProcessID -Force -Confirm:$false -ea SilentlyContinue } Start-Sleep -Seconds 1 } Fatal "Couldn't stop VM $VmName" } function Fatal { throw "$args" return 1 } # Main entry point Try { Switch ($PSBoundParameters.GetEnumerator().Where({$_.Value -eq $true}).Key) { 'Stop' { Stop-HyperVVM } 'Destroy' { Stop-HyperVVM; Remove-HyperVVM } 'Create' { New-HyperVVM } 'Start' { Start-HyperVVM } } } Catch { throw return 1 } } |