functions/public.ps1
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Function Get-PSAutoLabSetting { [cmdletbinding()] Param() $psver = $PSVersionTable Try { $cimos = Get-Ciminstance -class Win32_operatingsystem -Property caption, TotalVisibleMemorySize -ErrorAction Stop $os = $cimos.caption $mem = $cimos.TotalVisibleMemorySize } Catch { $os = "" $mem = "" } [pscustomobject]@{ PSVersion = $psver.PSVersion Edition = $psver.PSEdition OS = $os PSAutolab = (Get-Module -name PSAutolab -ListAvailable | Sort-object -Property Version -Descending | Select-Object -first 1).version Lability = (Get-Module -name Lability -ListAvailable | Sort-object -Property Version -Descending | Select-Object -first 1).version Memory = $mem } } Function Invoke-RefreshHost { [cmdletbinding(SupportsShouldProcess)] [alias("Refresh-Host")] Param( [Parameter(Position = 0, HelpMessage = "The path to your Autolab configuration path, ie C:\Autolab\ConfigurationPath")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Destination = (Get-LabHostDefault).configurationpath ) #test if a new version of lability is required if ($pscmdlet.ShouldProcess("version $LabilityVersion", "Check for Lability Requirements")) { _LabilityCheck -requiredVersion $LabilityVersion } # Setup Path Variables $SourcePath = $ConfigurationPath Write-Host "Updating configuration files from $sourcePath" -ForegroundColor Cyan if ($pscmdlet.ShouldProcess($Destination, "Copy configurations")) { if (Test-Path $Destination) { Copy-Item -Path $SourcePath\* -recurse -Destination $Destination -force } else { Write-Warning "Can't find target path $Destination." } } Write-host "This process will not remove any configurations that have been deleted from the module." -ForegroundColor yellow } Function Invoke-SetupHost { [CmdletBinding(SupportsShouldProcess)] [alias("Setup-Host")] Param( [Parameter(HelpMessage = "Specify the parent path. The default is C:\Autolab. The command will create the folder.")] [string]$DestinationPath = "C:\Autolab" ) # Setup Path Variables #use module defined variable $SourcePath = $ConfigurationPath Clear-Host Write-Host -ForegroundColor Green -Object @" This is the Setup-Host script. This script will perform the following: * For PowerShell Remoting, configure the host 'TrustedHosts' value to * * Install the Lability module from PSGallery * Install Hyper-V * Create the $DestinationPath folder (DO NOT DELETE) * Copy configurations and resources to $DestinationPath * You will then need to reboot the host before continuing "@ Write-Host -ForegroundColor Yellow -Object @" !!IMPORTANT SECURITY NOTE!! This module will set trusted hosts to connect to any machine on the local network. This is NOT a recommended security practice. It is assumed you are installing this module on a non-production machine and are willing to accept this potential risk for the sake of a training and test environment. If you do not want to proceed, press Ctrl-C. "@ Pause # For remoting commands to VM's - have the host set trustedhosts Enable-PSRemoting -force -SkipNetworkProfileCheck Write-Host -ForegroundColor Cyan -Object "Setting TrustedHosts so that remoting commands to VMs work properly" $trust = Get-Item -Path WSMan:\localhost\Client\TrustedHosts if (($Trust.Value -eq "*") -or ($trust.Value -match "<local>")) { Write-Host -ForegroundColor Green -Object "TrustedHosts is already set to *. No changes needed" } else { $add = '<local>' # Jeffs idea - 'DC,S*,Client*,192.168.3.' - need to automate this, not hard code Write-Host -ForegroundColor Cyan -Object "Adding $add to TrustedHosts" Set-Item -Path WSMan:\localhost\Client\TrustedHosts -Value $add -Concatenate -force } # Lability install Get-PackageSource -Name PSGallery | Set-PackageSource -Trusted -Force -ForceBootstrap | Out-Null <# Test if the current version of Lability is already installed. If so, do nothing. If an older version is installed, update the version, otherwise install the latest version. #> #use the module defined variable and a private function if ($pscmdlet.ShouldProcess("Lability $labilityVersion", "Install or Update Lability")) { _LabilityCheck $LabilityVersion Import-Module Lability } # Set Lability folder structure $DirDef = @{ ConfigurationPath = "$DestinationPath\Configurations" DifferencingVhdPath = "$DestinationPath\VMVirtualHardDisks" HotfixPath = "$DestinationPath\Hotfixes" IsoPath = "$DestinationPath\ISOs" ModuleCachePath = "C:\ProgramData\Lability\Modules" ParentVhdPath = "$DestinationPath\MasterVirtualHardDisks" ResourcePath = "$DestinationPath\Resources" } Set-LabHostDefault @DirDef $HostStatus = Test-LabHostConfiguration If (-Not $HostStatus ) { Write-Host -ForegroundColor Cyan "Starting to Initialize host and install Hyper-V" if ($pscmdlet.shouldprocess($DirDef.ConfigurationPath)) { Start-LabHostConfiguration -ErrorAction SilentlyContinue } } ###### COPY Configs to host machine Write-Host -ForegroundColor Cyan -Object "Copying configs to $($DirDef.ConfigurationPath)" if ($pscmdlet.ShouldProcess($DirDef.ConfigurationPath, "Copy configurations")) { Copy-item -Path $SourcePath\* -recurse -Destination $DirDef.ConfigurationPath -force } if ($pscmdlet.ShouldProcess($env:computername, "Prompt for restart")) { Write-Host -ForegroundColor Green -Object @" The localhost is about to reboot. After the reboot, open a Windows PowerShell prompt, navigate to a configuration directory $($DirDef.ConfigurationPath)\<yourconfigfolder> And run: PS $($DirDef.ConfigurationPath)\<yourconfigfolder>Setup-Lab -ignorependingreboot or PS $($DirDef.ConfigurationPath)\<yourconfigfolder>Unattend-Lab -ignorependingreboot "@ Write-Warning "System needs to reboot, especially if you just installed Hyper-V." $reboot = Read-Host "Do you wish to reboot now? (y/n)" If ($reboot -eq 'y') { Write-Output "Rebooting now" Restart-Computer } } #whatif } #region Setup-Lab Function Invoke-SetupLab { [cmdletbinding(SupportsShouldProcess)] [Alias("Setup-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = ".", [switch]$IgnorePendingReboot ) $Path = Convert-Path $path $labname = Split-Path $Path -leaf $LabData = Import-PowerShellDataFile -Path $(Join-Path $Path -childpath *.psd1) $DSCResources = $LabData.NonNodeData.Lability.DSCResource if (-Not $DSCResources) { Write-Warning "Failed to find DSC Resource information. Are you in a directory with configuration data .psd1 file?" #bail out return } Write-Host -ForegroundColor Green -Object @" This is the Setup-Lab script. This script will perform the following: * Run the configs to generate the required .mof files Note! - If there is an error creating the .mofs, the setup will fail * Run the lab setup Note! If this is the first time you have run this, it can take several hours to download the ISO files and resources depending on the configuration. You may also see new drives being added and removed as the ISO is mounted and converted. This step should only happen the first time you run this command. ** Possible problem If the downloads finish but the script doesn't continue (pauses), press the Enter key once and it should continue *You will be able to wipe and rebuild this lab without needing to perform the downloads again. "@ # Install DSC Resource modules specified in the .PSD1 Write-Host -ForegroundColor Cyan -Object 'Installing required DSCResource modules from PSGallery' Write-Host -ForegroundColor Yellow -Object 'You may need to say "yes" to a Nuget Provider' Foreach ($DSCResource in $DSCResources) { #test if current version is installed otherwise update or install it $dscmod = Get-Module -FullyQualifiedName @{Modulename = $DSCResource.name; ModuleVersion = $DSCResource.RequiredVersion } -ListAvailable if ((-not $dscmod ) -or ($dscmod.version -ne $DSCResource.RequiredVersion)) { write-host "install $($dscresource.name) version $($DSCResource.requiredversion)" -ForegroundColor yellow if ($pscmdlet.ShouldProcess($DSCResource.name, "Install-Module")) { Install-Module -Name $DSCResource.Name -RequiredVersion $DSCResource.RequiredVersion } } elseif ($dscmod.version -ne ($DSCResource.RequiredVersion -as [version])) { write-host "Update $($dscmod.name) to version $($DSCResource.requiredversion)" -ForegroundColor cyan if ($pscmdlet.ShouldProcess($DSCResource.name, "Update-Module")) { Update-Module -Name $DSCResource.Name -RequiredVersion $DSCResource.RequiredVersion } } else { write-host "$($dscmod.name) [v$($dscmod.version)] requires no updates." -ForegroundColor green } } # Run the config to generate the .mof files Write-Host -ForegroundColor Cyan -Object 'Build the .Mof files from the configs' $vmconfig = Join-Path -Path $path -ChildPath 'VMConfiguration.ps1' if ($PSCmdlet.ShouldProcess($vmConfig)) { . $VMConfig } # Build the lab without a snapshot # Write-Host -ForegroundColor Cyan -Object "Building the lab environment for $labname" # Creates the lab environment without making a Hyper-V Snapshot $Password = ConvertTo-SecureString -String "$($labdata.allnodes.labpassword)" -AsPlainText -Force $startParams = @{ ConfigurationData = Import-PowerShellDatafile -path (Join-Path -path $path -childpath "VMConfigurationdata.psd1") Path = $Path NoSnapshot = $True Password = $Password IgnorePendingReboot = $True WarningAction = "SilentlyContinue" ErrorAction = "stop" } # $startParams | Out-String | Write-Host -ForegroundColor cyan if ($PSCmdlet.ShouldProcess($labname, "Start-LabConfiguration")) { Try { Start-LabConfiguration @startParams } Catch { Write-Host "Failed to start lab configuration." -foreground red throw $_ } # Disable secure boot for VM's Get-VM ( Get-LabVM -ConfigurationData "$path\*.psd1" ).Name -OutVariable vm Set-VMFirmware -VM $vm -EnableSecureBoot Off -SecureBootTemplate MicrosoftUEFICertificateAuthority Write-Host -ForegroundColor Green -Object @" Next Steps: When this task is complete, run: Run-Lab To enable Internet access for the VM's, run: Enable-Internet Run the following to validate when configurations have converged: Validate-Lab To stop the lab VM's: Shutdown-lab When the configurations have finished, you can checkpoint the VM's with: Snapshot-Lab To quickly rebuild the labs from the checkpoint, run: Refresh-Lab To destroy the lab to build again: Wipe-Lab "@ } #should process } #endregion Setup-lab #region Run-Lab Function Invoke-RunLab { [cmdletbinding(SupportsShouldProcess)] [alias("Run-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = "." ) $Path = Convert-Path $path Write-Host -ForegroundColor Green -Object @" This is the Run-Lab script. This script will perform the following: * Start the Lab environment Note! If this is the first time you have run this, it can take up to an hour for the DSC configurations to apply and converge. "@ $labname = split-path (get-location) -leaf $datapath = Join-Path $(Convert-Path $path) -childpath "*.psd1" Write-Host -ForegroundColor Cyan -Object "Starting the lab environment from $datapath" $data = Import-PowerShellDataFile -path $datapath # Creates the lab environment without making a Hyper-V Snapshot if ($pscmdlet.ShouldProcess($labname, "Start Lab")) { try { Start-Lab -ConfigurationData $data -ErrorAction Stop } Catch { Write-Warning "Failed to start lab. Are you running this in the correct configuration directory? $($_.exception.message)" #bail out because no other commands are likely to work return } Write-Host -ForegroundColor Green -Object @" Next Steps: To enable Internet access for the VM's, run: Enable-Internet Run the following to validatae when configurations have converged: Validate-Lab To stop the lab VM's: Shutdown-lab When the configurations have finished, you can checkpoint the VM's with: Snapshot-Lab To quickly rebuild the labs from the checkpoint, run: Refresh-Lab To destroy the lab to build again: Wipe-Lab "@ } #whatif } #endregion setup-lab #region Enable-Internet Function Enable-Internet { [cmdletbinding(SupportsShouldProcess)] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = "." ) $Path = Convert-Path $path Write-Host -ForegroundColor Green -Object @" This is the Enable-Internet script. This script will perform the following: * Enable Internet to the VM's using NAT * Note! - If this generates an error, you are already enabled, or one of the default settings below does not match your .PSD1 configuration "@ $LabData = Import-PowerShellDataFile -Path $path\*.psd1 $LabSwitchName = $labdata.NonNodeData.Lability.Network.name $GatewayIP = $Labdata.AllNodes.DefaultGateway $GatewayPrefix = $Labdata.AllNodes.SubnetMask $NatNetwork = $Labdata.AllNodes.IPnetwork $NatName = $Labdata.AllNodes.IPNatName $Index = Get-NetAdapter -name "vethernet ($LabSwitchName)" | Select-Object -ExpandProperty InterfaceIndex if ($pscmdlet.ShouldProcess("Interface index $index", "New-NetIPAddress")) { New-NetIPAddress -InterfaceIndex $Index -IPAddress $GatewayIP -PrefixLength $GatewayPrefix -ErrorAction SilentlyContinue } # Creating the NAT on Server 2016 -- maybe not work on 2012R2 if ($pscmdlet.ShouldProcess($NatName, "New-NetNat")) { New-NetNat -Name $NatName -InternalIPInterfaceAddressPrefix $NatNetwork -ErrorAction SilentlyContinue } Write-Host -ForegroundColor Green -Object @" Next Steps: When complete, run: Run-Lab And run: Validate-Lab "@ } #endregion Enable-Internet #region Validate-Lab Function Invoke-ValidateLab { [cmdletbinding()] [alias("Validate-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = "." ) $Path = Convert-Path $path $msg = @" [$(Get-Date)] Starting the VM testing process. This could take some time to complete depending on the complexity of the configuration. You can press Ctrl+C at any time to break out of the testing loop. If you feel the test is taking too long, break out of the testing loop and manually run the test: invoke-pester .\vmvalidate.test.ps1 If only one of the VMs appears to be failing, you might try stopping and restarting it with the Hyper-V Manager or the cmdlets: Stop-VM <vmname> Start-VM <vmname> Errors are expected until all tests complete successfully. "@ Write-Host $msg -ForegroundColor Cyan $Complete = $False #define a resolved path to the test file $testPath = Join-Path -path $path -ChildPath VMValidate.test.ps1 do { $test = Invoke-Pester -Script $testpath -Show none -PassThru if ($test.Failedcount -eq 0) { $Complete = $True } else { #test every 5 minutes 300..1 | ForEach-Object { Write-Progress -Activity "VM Completion Test" -Status "Tests failed" -CurrentOperation "Waiting until next test run" -SecondsRemaining $_ Start-Sleep -Seconds 1 } } } until ($Complete) #re-run test one more time to show everything that was tested. Invoke-Pester -Script $path\VMValidate.Test.ps1 Write-Progress -Activity "VM Completion Test" -Completed Write-Host "[$(Get-Date)] VM setup and configuration complete. It is recommended that you snapshot the VMs with Snapshot-Lab" -ForegroundColor Green } #endregion Validate-Lab #region Shutdown-Lab Function Invoke-ShutdownLab { [cmdletbinding(SupportsShouldProcess)] [alias("Shutdown-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = "." ) $Path = Convert-Path $path Write-Host -ForegroundColor Green -Object @" This is the Shutdown-Lab command. It will perform the following: * Shutdown the Lab environment: "@ $labname = Split-Path $path -leaf Write-Host -ForegroundColor Cyan -Object 'Stopping the lab environment' # Creates the lab environment without making a Hyper-V Snapshot if ($pscmdlet.ShouldProcess($labname, "Stop-Lab")) { Try { Stop-Lab -ConfigurationData $path\*.psd1 -erroraction Stop } Catch { Write-Warning "Failed to stop lab. Are you running this in the correct configuration directory? $($_.exception.message)" #bail out because no other commands are likely to work return } } Write-Host -ForegroundColor Green -Object @" Next Steps: When the configurations have finished, you can checkpoint the VM's with: Snapshot-Lab To quickly rebuild the labs from the checkpoint, run: Refresh-Lab To start the lab environment: Run-Lab To destroy the lab environment: Wipe-Lab "@ } #endregion Shutdown-Lab #region Snapshot-Lab Function Invoke-SnapshotLab { [cmdletbinding(SupportsShouldProcess)] [alias("Snapshot-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = ".", [Parameter(HelpMessage = "Specify a name for the virtual machine checkpoint")] [ValidateNotNullorEmpty()] [string]$SnapshotName = "LabConfigured" ) $Path = Convert-Path $path Write-Host -ForegroundColor Green -Object @" This is the Snapshot-Lab command. It will perform the following: * Snapshot the lab environment for easy and fast rebuilding Note! This should be done after the configurations have finished "@ $labname = Split-Path $Path -leaf Write-Host -ForegroundColor Cyan -Object 'Snapshot the lab environment' # Creates the lab environment without making a Hyper-V Snapshot if ($pscmdlet.ShouldProcess($labname, "Stop-Lab")) { Try { Stop-Lab -ConfigurationData $path\*.psd1 -ErrorAction Stop } Catch { Write-Warning "Failed to stop lab. Are you running this in the correct configuration directory? $($_.exception.message)" #bail out because no other commands are likely to work return } } if ($pscmdlet.ShouldProcess($labname, "Checkpoint-Lab")) { Checkpoint-Lab -ConfigurationData $path\*.psd1 -SnapshotName $SnapshotName } Write-Host -ForegroundColor Green -Object @" Next Steps: To start the lab environment, run: Run-Lab To quickly rebuild the labs from the checkpoint, run: Refresh-Lab "@ } #endregion #region Refresh-Lab Function Invoke-RefreshLab { [cmdletbinding(SupportsShouldProcess)] [alias("Refresh-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = ".", [Parameter(HelpMessage = "Specify a name for the virtual machine checkpoint")] [ValidateNotNullorEmpty()] [string]$SnapshotName = "LabConfigured" ) $Path = Convert-Path $path Write-Host -ForegroundColor Green -Object @" This command will perform the following: * Refresh the lab from a previous Snapshot You will be prompted to restore the snapshot for each VM, although the prompt won't show you the virtual machine name. Note! This can only be done if you created a snapshot using Snapshot-Lab "@ $labname = Split-Path $path -leaf Write-Host -ForegroundColor Cyan -Object 'Restore the lab environment from a snapshot' Try { if ($pscmdlet.ShouldProcess($labname, "Stop-Lab")) { Stop-Lab -ConfigurationData $path\*.psd1 -ErrorAction Stop } } Catch { Write-Warning "Failed to stop lab. Are you running this in the correct configuration directory? $($_.exception.message)" #bail out because no other commands are likely to work return } if ($pscmdlet.ShouldProcess($SnapshotName, "Restore-Lab")) { Restore-Lab -ConfigurationData $path\*.psd1 -SnapshotName $SnapshotName -force } Write-Host -ForegroundColor Green -Object @" Next Steps: To start the lab environment, run: Run-Lab To stop the lab environment, run: Shutdown-Lab To destroy this lab, run: Wipe-Lab "@ } #endregion Refresh-Lab #region Wipe-Lab Function Invoke-WipeLab { [cmdletbinding(SupportsShouldProcess)] [alias("Wipe-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = "." ) $Path = Convert-Path $path Write-Host -ForegroundColor Green -Object @" This command will perform the following: * Wipe the lab and VM's from your system for this configuration If you intend to rebuild labs or run other configurations you do not need to remove the LabNat PolicyStore Local. Press Ctrl+C to abort this command. "@ Pause $labname = split-path $path -leaf Write-Host -ForegroundColor Cyan -Object "Removing the lab environment for $labname" # Stop the VM's if ($pscmdlet.ShouldProcess("VMs", "Stop-Lab")) { Try { Stop-Lab -ConfigurationData $path\*.psd1 -ErrorAction Stop } Catch { Write-Warning "Failed to stop lab. Are you running this in the correct configuration directory? $($_.exception.message)" #bail out because no other commands are likely to work return } } # Remove .mof iles Remove-Item -Path $path\*.mof # Delete NAT $LabData = Import-PowerShellDataFile -Path $path\*.psd1 $NatName = $Labdata.AllNodes.IPNatName if ($pscmdlet.ShouldProcess("LabNat", "Remove NetNat")) { Remove-NetNat -Name $NatName } # Delete vM's if ($pscmdlet.ShouldProcess("VMConfigurationData.psd1", "Remove lab configuration")) { Remove-LabConfiguration -ConfigurationData $path\*.psd1 -RemoveSwitch } #only delete the VHD files associated with the configuration as you might have more than one configuration #running $nodes = ($labdata.allnodes.nodename).where( { $_ -ne '*' }) Get-Childitem (Get-LabhostDefault).differencingVHDPath | where-object { $nodes -contains $_.basename } | Remove-Item #Remove-Item -Path "$((Get-LabHostDefault).DifferencingVHdPath)\*" -Force Write-Host -ForegroundColor Green -Object @" Next Steps: Run the following and follow the onscreen instructions: Setup-Lab When complete, run: Run-Lab Run the following to validate when configurations have converged: Validate-Lab To enable Internet access for the VM's, run: Enable-Internet To stop the lab VM's: Shutdown-lab When the configurations have finished, you can checkpoint the VM's with: Snapshot-Lab To quickly rebuild the labs from the checkpoint, run: Refresh-Lab To destroy the lab to build again: Wipe-Lab "@ } #endregion Wipe-Lab #region Unattend-Lab Function Invoke-UnattendLab { [cmdletbinding(SupportsShouldProcess)] [alias("Unattend-Lab")] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = "." ) $Path = Convert-Path $path Write-Host -ForegroundColor Green -Object @" This runs Setup-Lab, Run-Lab, and Validate-Lab "@ Write-Host -ForegroundColor Cyan -Object 'Starting the lab environment' if ($pscmdlet.ShouldProcess("Setup-Lab", "Run Unattended")) { Invoke-SetupLab @psboundparameters } if ($pscmdlet.ShouldProcess("Run-Lab", "Run Unattended")) { Invoke-RunLab @psboundparameters } if ($pscmdlet.ShouldProcess("Enable-Internet", "Run Unattended")) { Enable-Internet @psboundparameters } if ($pscmdlet.ShouldProcess("Validate-Lab", "Run Unattended")) { Invoke-ValidateLab @psboundparameters } Write-Host -ForegroundColor Green -Object @" To stop the lab VM's: Shutdown-lab When the configurations have finished, you can checkpoint the VM's with: Snapshot-Lab To quickly rebuild the labs from the checkpoint, run: Refresh-Lab "@ } #endregion Unattend-Lab Function Get-LabSnapshot { [cmdletbinding()] Param ( [Parameter(HelpMessage = "The path to the configuration folder. Normally, you should run all commands from within the configuration folder.")] [ValidateNotNullorEmpty()] [ValidateScript( { Test-Path $_ })] [string]$Path = "." ) Write-Verbose "Getting mofs from $(Convert-Path $Path)" #get the MOF file names $VMs = (Get-Childitem -path $path -filter *.mof -exclude *meta* -recurse).Basename Write-Verbose "Getting VMSnapshots" Get-VMSnapshot -vmname $VMs Write-Host "All VMs in the configuration should belong to the same snapshot." -foreground green } |