Private/GetNestedVirtCapabilities.ps1
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function GetNestedVirtCapabilities { [CmdletBinding(DefaultParameterSetName='Default')] Param( [Parameter( Mandatory = $False, ParameterSetName = 'Default' )] [string]$TargetHostNameOrIP, [Parameter( Mandatory=$True, ParameterSetName = 'UsingVMName' )] [string]$TargetVMName, [Parameter(Mandatory=$False)] [string]$HypervisorFQDNOrIP, [Parameter(Mandatory=$False)] $TargetHostNameCreds, [Parameter(Mandatory=$False)] $HypervisorCreds, # -TryWithoutHypervisorInfo MIGHT result in creating a Local NAT # with an Internal vSwitch on the Target Machine (assuming it's a Guest VM). It depends if # Get-NestedVirtCapabilities detemines whether the Target Machine can use an External vSwitch or not. # If it can, then a Local NAT will NOT be created. # If a NAT already exists on the Target Machine, that NAT will be changed to # 10.0.75.0/24 with IP 10.0.75.1 if it isn't already [Parameter(Mandatory=$False)] [switch]$TryWithoutHypervisorInfo, [Parameter(Mandatory=$False)] [switch]$AllowRestarts, [Parameter( Mandatory=$True, ParameterSetName = 'InfoAlreadyCollected' )] $GuestVMAndHVInfo, # Uses output of Get-GuestVMAndHypervisorInfo function [Parameter(Mandatory=$False)] [switch]$SkipHyperVInstallCheck ) ##### BEGIN Variable/Parameter Transforms and PreRun Prep ##### if ($PSBoundParameters['TargetHostNameCreds']) { if ($TargetHostNameCreds.GetType().FullName -ne "System.Management.Automation.PSCredential") { Write-Error "The object provided to the -TargetHostNameCreds parameter must be a System.Management.Automation.PSCredential! Halting!" $global:FunctionResult = "1" return } } if ($PSBoundParameters['HypervisorCreds']) { if ($HypervisorCreds.GetType().FullName -ne "System.Management.Automation.PSCredential") { Write-Error "The object provided to the -HypervisorCreds parameter must be a System.Management.Automation.PSCredential! Halting!" $global:FunctionResult = "1" return } } <# # From: https://msdn.microsoft.com/en-us/library/ms724358(VS.85).aspx $WindowsEditionTable = @{ Windows10Pro = "30" Windows10Enterprise = "4" Windows10S = "B2" Windows10SN = "B3" ServerHyperCoreV = "40" ServerDatacenterEvaluation = "50" ServerDatacenterFull = "8" ServerDatacenterCore = "C" Windows10EnterpriseE = "46" Windows10EnterpriseEvaluation = "48" Windows10EnterpriseN = "1B" Windows10EnterpriseNEvaluation = "54" ServerEnterpriseFull = "A" ServerEnterpriseCore = "E" MicrosoftHyperVServer = "2A" Windows10ProN = "31" ServerStandardEvaluation = "4F" ServerStandard = "7" ServerStandardCore = "D" } #> # Get Guest VM and hypervisor info if (!$GuestVMAndHVInfo) { if (!$TargetHostNameOrIP -and !$TargetVMName) { $TargetHostNameOrIP = $env:ComputerName } try { $HostNameNetworkInfo = ResolveHost -HostNameOrIP $TargetHostNameOrIP } catch { Write-Error $_ $global:FunctionResult = "1" return } $GetWorkingCredsSplatParams = @{ RemoteHostNameOrIP = $HostNameNetworkInfo.FQDN ErrorAction = "Stop" } if ($TargetHostNameCreds) { $GetWorkingCredsSplatParams.Add("AltCredentials",$TargetHostNameCreds) } try { $GetTargetHostCredsInfo = GetWorkingCredentials @GetWorkingCredsSplatParams if (!$GetTargetHostCredsInfo.DeterminedCredsThatWorkedOnRemoteHost) {throw "Can't determine working credentials for $($HostNameNetworkInfo.FQDN)!"} if ($GetTargetHostCredsInfo.CurrentLoggedInUserCredsWorked -eq $True) { $TargetHostNameCreds = $null } $TargetHostInvCmdLocation = $GetTargetHostCredsInfo.RemoteHostWorkingLocation } catch { Write-Error $_ if ($PSBoundParameters['TargetHostNameCreds']) { Write-Error "The GetWorkingCredentials function failed! Check the credentials provided to the -TargetHostNameCreds parameter! Halting!" } else { Write-Error "The GetWorkingCredentials function failed! Try using the -TargetHostNameCreds parameter! Halting!" } $global:FunctionResult = "1" return } } if (![bool]$PSBoundParameters['GuestVMAndHVInfo']) { $GetVMAndHVSplatParams = @{} if ($($TargetHostNameOrIP -or $TargetHostInvCmdLocation) -and $GetVMAndHVSplatParams.Keys -notcontains "TargetHostNameOrIP") { if ($TargetHostInvCmdLocation) { $GetVMAndHVSplatParams.Add("TargetHostNameOrIP",$TargetHostInvCmdLocation) } elseif ($TargetHostNameOrIP) { $GetVMAndHVSplatParams.Add("TargetHostNameOrIP",$TargetHostNameOrIP) } } elseif ($TargetVMName -and $GetVMAndHVSplatParams.Keys -notcontains "TargetVMName") { $GetVMAndHVSplatParams.Add("TargetVMName",$TargetVMName) } if ($TargetHostNameCreds -and $GetVMAndHVSplatParams.Keys -notcontains "TargetHostNameCreds") { $GetVMAndHVSplatParams.Add("TargetHostNameCreds",$TargetHostNameCreds) } if ($($HypervisorFQDNOrIP -or $HypervisorInvCmdLocation) -and $GetVMAndHVSplatParams.Keys -notcontains "HypervisorFQDNOrIP") { if ($HypervisorInvCmdLocation) { $GetVMAndHVSplatParams.Add("HypervisorFQDNOrIP",$HypervisorInvCmdLocation) } elseif ($HypervisorFQDNOrIP) { $GetVMAndHVSplatParams.Add("HypervisorFQDNOrIP",$HypervisorFQDNOrIP) } } if ($HypervisorCreds -and $GetVMAndHVSplatParams.Keys -notcontains "HypervisorCreds") { $GetVMAndHVSplatParams.Add("HypervisorCreds",$HypervisorCreds) } if ($($TryWithoutHypervisorInfo -and $GetVMAndHVSplatParams.Keys -notcontains "TryWithoutHypervisorInfo") -or $($(ConfirmAWSVM -EA SilentlyContinue) -or $(ConfirmAzureVM -EA SilentlyContinue) -or $(ConfirmGoogleComputeVM -EA SilentlyContinue)) ) { $GetVMAndHVSplatParams.Add("TryWithoutHypervisorInfo",$True) } if ($AllowRestarts -and $GetVMAndHVSplatParams.Keys -notcontains "AllowRestarts") { $GetVMAndHVSplatParams.Add("AllowRestarts",$True) } if ($NoMacAddressSpoofing -and $GetVMAndHVSplatParams.Keys -notcontains "NoMacAddressSpoofing") { $GetVMAndHVSplatParams.Add("NoMacAddressSpoofing",$True) } if ($SkipHyperVInstallCheck -and $GetVMAndHVSplatParams.Keys -notcontains "SkipHyperVInstallCheck") { $GetVMAndHVSplatParams.Add("SkipHyperVInstallCheck",$True) } if ($SkipExternalvSwitchCheck -and $GetVMAndHVSplatParams.Keys -notcontains "SkipExternalvSwitchCheck") { $GetVMAndHVSplatParams.Add("SkipExternalvSwitchCheck",$True) } try { $GuestVMAndHVInfo = Get-GuestVMAndHypervisorInfo @GetVMAndHVSplatParams -ErrorAction SilentlyContinue -ErrorVariable GGIErr if (!$GuestVMAndHVInfo) {throw "The Get-GuestVMAndHypervisorInfo function failed! Halting!"} if ($PSVersionTable.PSEdition -eq "Core") { $GetPendingRebootAsString = ${Function:GetPendingReboot}.Ast.Extent.Text $RebootPendingCheck = Invoke-WinCommand -ComputerName localhost -ScriptBlock { Invoke-Expression $args[0] $(GetPendingReboot).RebootPending } -ArgumentList $GetPendingRebootAsString $RebootPendingFileCheck = Invoke-WinCommand -ComputerName localhost -ScriptBlock { Invoke-Expression $args[0] $(GetPendingReboot).PendFileRenVal } -ArgumentList $GetPendingRebootAsString } else { $RebootPendingCheck = $(GetPendingReboot).RebootPending $RebootPendingFileCheck = $(GetPendingReboot).PendFileRenVal } if ($GuestVMAndHVInfo.RestartNeeded -and $RebootPendingCheck -and $RebootPendingFileCheck -ne $null -and !$AllowRestarts) { Write-Verbose "You might need to restart $env:ComputerName before the GetNestedVirtCapabilities function can proceed! Halting!" } } catch { Write-Error $_ if ($($GGIErr | Out-String) -match "The operation has timed out") { Write-Error "There was a problem downloading the Vagrant Box to be used to test the External vSwitch! Halting!" $global:FunctionResult = "1" return } else { Write-Host "Errors for the Get-GuestVMAndHypervisorInfo function are as follows:" Write-Error $($GGIErr | Out-String) $global:FunctionResult = "1" return } } } else { $ValidGuestVMAndHVInfoNoteProperties = @( "HypervisorNetworkInfo" "HypervisorInvCmdLocation" "HypervisorComputerInfo" "HypervisorOSInfo" "TargetVMInfoFromHyperV" "VMProcessorInfo" "VMNetworkAdapterInfo" "VMMemoryInfo" "HypervisorCreds" "HostNameNetworkInfo" "TargetHostInvCmdLocation" "HostNameComputerInfo" "HostNameOSInfo" "HostNameProcessorInfo" "HostNameBIOSInfo" "TargetHostNameCreds" "RestartNeeded" "RestartOccurred" "VirtualizationExtensionsExposed" "MacAddressSpoofingEnabled" ) [System.Collections.ArrayList]$FoundIssueWithGuestVMAndHVInfo = @() $ParamObjMembers = $($GuestVMAndHVInfo | Get-Member -MemberType NoteProperty).Name foreach ($noteProp in $ParamObjMembers) { if ($ValidGuestVMAndHVInfoNoteProperties -notcontains $noteProp) { $null = $FoundIssueWithGuestVMAndHVInfo.Add($noteProp) } } if ($FoundIssueWithGuestVMAndHVInfo.Count -gt 3) { $ParamObjMembers Write-Error "The object provided to the -GuestVMAndHVInfo parameter is invalid! It must be output from the Get-GuestVMAndHypervisorInfo function! Halting!" $global:FunctionResult = "1" return } } if (!$GuestVMAndHVInfo) { Write-Error "There was a problem with the Get-GuestVMandHypervisorInfo function! Halting!" $global:FunctionResult = "1" return } if ($GuestVMAndHVInfo.HypervisorCreds -ne $null) { $HypervisorCreds = $GuestVMAndHVInfo.HypervisorCreds } if ($GuestVMAndHVInfo.TargetHostNameCreds -ne $null) { $TargetHostNameCreds = $GuestVMAndHVInfo.TargetHostNameCreds if ($TargetHostNameCreds -eq $(whoami)) { $TargetHostNameCreds = $null } } if ($GuestVMAndHVInfo.HostNameBIOSInfo.IsVirtual -eq $False) { Write-Error "The GetNestedVirtCapabilities function should only be used to determine if a Guest VM is capable of Nested Virtualization. $($GuestVMAndHVInfo.HostNameNetworkInfo.FQDN) is a physical machine! Halting!" $global:FunctionResult = "1" return } ##### END Variable/Parameter Transforms and PreRun Prep ##### ##### BEGIN Main Body ##### [System.Collections.ArrayList]$HypervisorSoftwareThatWillWorkOnGuestVM = @() [System.Collections.ArrayList]$PossibleOSArchitectureOfNestedVMs = @() [System.Collections.ArrayList]$StepsToAllow64BitNestedVMs = @() ## BEGIN Analyzing info about the Guest VM - i.e. the Virtual Machine Configuration itself ## # We need to determine if we have access to the Hyper-V hypervisor. If we're in a public cloud (like AWS, Azure, etc) # we can assume that we don't, in which case we cannot use Mac Address Spoofing for Nested VM networking, which means # that we need to run Get-GuestVMAndHypervisorInfo with the -TryWithoutHypervisorInfo switch and that we need to # setup a NAT Adapter on the Guest VM Hyper-V Host (as opposed to an External vSwitch). This info all needs to be # in this function's output. [System.Collections.ArrayList]$NetworkingOptions = @() if ($(ConfirmAWSVM -EA SilentlyContinue) -or $(ConfirmAzureVM -EA SilentlyContinue) -or $(ConfirmGoogleComputeVM -EA SilentlyContinue) -or $GuestVMAndHVInfo.HypervisorNetworkInfo -eq $null -or $GuestVMAndHVInfo.HypervisorComputerInfo -eq $null -or $GuestVMAndHVInfo.HypervisorOSInfo -eq $null -or $TryWithoutHypervisorInfo ) { $null = $NetworkingOptions.Add("Network Address Translation") $null = $StepsToAllow64BitNestedVMs.Add("Might need Disable Dynamic Memory") $null = $StepsToAllow64BitNestedVMs.Add("Might need to Remove Save States") } if ($GuestVMAndHVInfo.MacAddressSpoofingEnabled -eq $True -or $GuestVMAndHVInfo.VMNetworkAdapterInfo.MacAddressSpoofing -eq $True) { $null = $NetworkingOptions.Add("Mac Address Spoofing") } elseif ($GuestVMAndHVInfo.MacAddressSpoofingEnabled -ne $True -or $($GuestVMAndHVInfo.MacAddressSpoofingEnabled -ne $True -and $GuestVMAndHVInfo.VMNetworkAdapterInfo -eq $null) ) { $null = $StepsToAllow64BitNestedVMs.Add("Might need to Turn On MacAddress Spoofing") } if ($($GuestVMAndHVInfo.VMProcessorInfo -ne $null -and $GuestVMAndHVInfo.VMProcessorInfo.ExposeVirtualizationExtensions -eq $False) -or $GuestVMAndHVInfo.VirtualizationExtensionsExposed -match "Unknown" -or $GuestVMAndHVInfo.VirtualizationExtensionsExposed -eq $False ) { $null = $StepsToAllow64BitNestedVMs.Add("Expose Virtualization Extensions") $NestedVirtualizationPossible = $False } elseif ($GuestVMAndHVInfo.VirtualizationExtensionsExposed -eq $null) { $null = $StepsToAllow64BitNestedVMs.Add("Might need to Expose Virtualization Extensions") $null = $PossibleOSArchitectureOfNestedVMs.Add("MAYBE_64-bit") } # Other information about the hypervisor... if ($GuestVMAndHVInfo.HypervisorOSInfo -ne $null -and $GuestVMAndHVInfo.HypervisorOSInfo.OSArchitecture -ne "64-bit") { $null = $StepsToAllow64BitNestedVMs.Add("The hypervisor must be running on a 64-bit Operating System.") } if ($GuestVMAndHVInfo.HypervisorOSInfo -ne $null) { $HypervisorOSNameCheck = $GuestVMAndHVInfo.HypervisorOSInfo.Caption -match "Windows 10||Windows Server 2016" $HypervisorOSTypeCheck = $GuestVMAndHVInfo.HypervisorOSInfo.Caption -match "Pro|Enterprise|Server" if (!$($HypervisorOSNameCheck -and $HypervisorOSTypeCheck) -and $GuestVMAndHVInfo.HypervisorOSInfo -ne $null) { $NestedVirtualizationPossible = $False $null = $StepsToAllow64BitNestedVMs.Add("The hypervisor must be running on Windows 10 Pro/Enterprise or Windows Server 2016.") } } # Guest VM bust be version 8.0 or higher if ($GuestVMAndHVInfo.TargetVMInfoFromHyperV -ne $null) { if ($([version]$GuestVMAndHVInfo.TargetVMInfoFromHyperV.Version).Major -lt 8) { $null = $StepsToAllow64BitNestedVMs.Add("Guest VM Configuration must be Version 8.0 or higher") } } ## END Analyzing info about the Guest VM - i.e. the Virtual Machine Configuration itself ## ## BEGIN Analyzing info about the Guest VM OS ## if ($GuestVMAndHVInfo.HostNameOSInfo.OSArchitecture -ne "64-bit") { $NestedVirtualizationPossible = $False $null = $StepsToAllow64BitNestedVMs.Add("Change the Guest VM OS Architecture to 64-bit") } # If at this point, $StepsToAllow64BitNestedVMs.Count -eq 0, or just "Might need to Turn On MacAddress Spoofing" # then we know the following to be true if ($StepsToAllow64BitNestedVMs.Count -eq 0 -or $($StepsToAllow64BitNestedVMs.Count -eq 1 -and $StepsToAllow64BitNestedVMs[0] -eq "Might need to Turn On MacAddress Spoofing")) { $NestedVirtualizationPossible = $True $null = $PossibleOSArchitectureOfNestedVMs.Add("32-bit") $null = $HypervisorSoftwareThatWillWorkOnGuestVM.Add("VMWare") $null = $HypervisorSoftwareThatWillWorkOnGuestVM.Add("Xen") $null = $HypervisorSoftwareThatWillWorkOnGuestVM.Add("VirtualBox") } $GuestVMOSNameCheck = $GuestVMAndHVInfo.HostNameOSInfo.Caption -match "Windows 10||Windows Server 2016" $GuestVMOSTypeCheck = $GuestVMAndHVInfo.HostNameOSInfo.Caption -match "Pro|Enterprise|Server" ## END Analyzing info about the Guest VM OS ## ## BEGIN Mixed Analysis ## # If the Hypervisor and VM are Windows 2016, then 64-bit Nested VMs are also possible if (!$($GuestVMOSNameCheck -and $GuestVMOSTypeCheck)) { $null = $StepsToAllow64BitNestedVMs.Add("Run Windows 10 Pro/Enterprise or Windows Server 2016 as the Guest VM OS.") } else { if (!$GuestVMAndHVInfo.HostNameProcessorInfo.VirtualizationFirmwareEnabled) { $null = $StepsToAllow64BitNestedVMs.Add("Might need to Enable VirtualizationFirmware") } $null = $HypervisorSoftwareThatWillWorkOnGuestVM.Add("Hyper-V") if ($PossibleOSArchitectureOfNestedVMs -notcontains "MAYBE_64-bit") { $null = $PossibleOSArchitectureOfNestedVMs.Add("64-bit") } } if ($GuestVMAndHVInfo.HypervisorOSInfo -eq $null -and $GuestVMAndHVInfo.HostNameBIOSInfo.SMBIOSBIOSVersion -notmatch "Hyper-V|VMWare|Xen|American Megatrends" -and $GuestVMAndHVInfo.HostNameBIOSInfo.Manufacturer -notmatch "Hyper-V|VMWare|Xen|American Megatrends" -and $GuestVMAndHVInfo.HostNameBIOSInfo.Name -notmatch "Hyper-V|VMWare|Xen|American Megatrends" -and $GuestVMAndHVInfo.HostNameBIOSInfo.SerialNumber -notmatch "Hyper-V|VMWare|Xen|American Megatrends" -and $GuestVMAndHVInfo.HostNameBIOSInfo.Version -notmatch "Hyper-V|VMWare|Xen|American Megatrends|VRTUAL" ) { $null = $StepsToAllow64BitNestedVMs.Add("Use Hyper-V or VMWare or Xen as the baremetal hypervisor.") } if ($GuestVMAndHVInfo.VirtualizationExtensionsExposed -eq $True) { $NestedVirtualizationPossible = $True } $FinalSteps = [pscustomobject]@{ StepsThatAreDefinitelyNeeded = $($StepsToAllow64BitNestedVMs | Where-Object {$_ -notmatch "Might need"}) StepsThatMightBeNeeded = $($StepsToAllow64BitNestedVMs | Where-Object {$_ -match "Might need"}) } ## END Mixed Analysis ## [pscustomobject]@{ NestedVirtualizationPossible = $NestedVirtualizationPossible PossibleOSArchitectureOfNestedVMs = if ($NestedVirtualizationPossible) {$PossibleOSArchitectureOfNestedVMs} else {$null} HypervisorSoftwareThatWillWorkOnGuestVM = if ($NestedVirtualizationPossible) {$HypervisorSoftwareThatWillWorkOnGuestVM} else {$null} StepsToAllow64BitNestedVMs = $FinalSteps NetworkingPossibilities = if ($NestedVirtualizationPossible) {[array]$NetworkingOptions} else {$null} GuestVMAndHVInfo = $GuestVMAndHVInfo } ##### END Main Body ##### } |