Power-V: PowerShell scripts for managing Hyper-V virtual machines
function Get-OrphanedVHDs { | |
$rootedVHDs = (Get-VM).HardDrives.Path + (Get-VM | Get-VMSnapshot).HardDrives.Path | |
Return Get-ChildItem (Get-VMHost).VirtualHardDiskPath | Where-Object { $_.FullName -notin $rootedVHDs } | |
} | |
function New-VirtualMachine { | |
Param( | |
$Name, | |
$MemoryBytes, | |
$VHDSizeBytes, | |
$IsoPath, | |
$SecureBootTemplate, | |
$SwitchName | |
) | |
# If a switch name hasn't been provided, it'll try to find a default. | |
if (!$SwitchName) { | |
$Switches = Get-VMSwitch | Where-Object SwitchType -eq 'External' | |
#If there's only one switch with external connectivity, that's it. | |
#Else, a switch name should have been provided. | |
if ($Switches.Count -eq 1) { | |
$SwitchName = $Switches.Name | |
} | |
} | |
$VHDPath = Join-Path -Path (Get-VMHost).VirtualHardDiskPath -ChildPath ($Name + ".vhdx") | |
if ($SecureBootTemplate -eq "MicrosoftWindows") { | |
$null = New-VHD -Path $VHDPath -SizeBytes $VHDSizeBytes | |
} | |
else { | |
$null = New-VHD -Path $VHDPath -SizeBytes $VHDSizeBytes -BlockSizeBytes 1MB | |
} | |
$VM = New-VM -Name $Name -MemoryStartupBytes $MemoryBytes -Generation 2 -BootDevice VHD -SwitchName $SwitchName -VHDPath $VHDPath | |
Set-VM $VM -ProcessorCount 2 -MemoryMaximumBytes $MemoryBytes -AutomaticCheckpointsEnabled $false | |
Add-VMDvdDrive $VM -Path $IsoPath | |
Set-VMFirmware $VM -BootOrder ((Get-VMFirmware $VM).BootOrder | ? BootType -eq 'Drive') | |
if ($SecureBootTemplate) { | |
Set-VMFirmware $VM -SecureBootTemplate $SecureBootTemplate | |
} | |
else { | |
Set-VMFirmware $VM -EnableSecureBoot Off | |
} | |
Return $VM | |
} | |
function Remove-VirtualMachine { | |
Param( | |
$VMName | |
) | |
$vm = Get-VM $VMName | |
$snapshot = (Get-VMSnapshot $vm | ? ParentSnapshotName -eq $null) | |
if ($snapshot) { | |
$vhds = $snapshot.HardDrives.Path | |
} | |
else { | |
$vhds = $vm.HardDrives.Path | |
} | |
Remove-VM $vm -Force | |
Remove-Item $vhds | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment