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scripts: Remove LinuxKit.ps1
This existed before 'linuxkit run hyperv' and is no longer needed/maintained. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
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Rolf Neugebauer
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<#
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.SYNOPSIS
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Manages a LinuxKit VM on Hyper-V
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.DESCRIPTION
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Creates/Destroys/Starts/Stops a LinuxKit VM.
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It creates a Gen2 VM which boots EFI ISOs
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.PARAMETER VmName
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If passed, use this name for the LinuxKit VM, otherwise 'LinuxKitVM'
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.PARAMETER IsoFile
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Path to the ISO image to boot from, must be set for Create/ReCreate
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.PARAMETER SwitchName
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Use this switch to connect the VM to
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.PARAMETER Create
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Create a LinuxKit VM
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.PARAMETER Memory
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Memory allocated for the VM in MB (optional on Create, default: 1024 MB)
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.PARAMETER CPUs
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Number of CPUs to use (optional on Create, default: 1)
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.PARAMETER DiskSize
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Disk size in MB (optional on Create, default: 0, no disk)
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.PARAMETER Destroy
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Remove a LinuxKit VM
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.PARAMETER Start
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Start an existing LinuxKit VM
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.PARAMETER Stop
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Stop a running LinuxKit VM
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.EXAMPLE
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.\LinuxKit.ps1 -IsoFile .\linuxkit-efi.iso -Create
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.\LinuxKit.ps1 -Start
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#>
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Param(
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[string] $VmName = "LinuxKitVM",
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[string] $IsoFile = ".\linuxkit-efi.iso",
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[string] $SwicthName = ".\linuxkit-efi.iso",
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[Parameter(ParameterSetName='Create',Mandatory=$false)][switch] $Create,
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[Parameter(ParameterSetName='Create',Mandatory=$false)][int] $CPUs = 1,
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[Parameter(ParameterSetName='Create',Mandatory=$false)][long] $Memory = 1024,
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[Parameter(ParameterSetName='Create',Mandatory=$false)][long] $DiskSize = 0,
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[Parameter(ParameterSetName='Create',Mandatory=$false)][string] $SwitchName = "",
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[Parameter(ParameterSetName='Remove',Mandatory=$false)][switch] $Remove,
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[Parameter(ParameterSetName='Start',Mandatory=$false)][switch] $Start,
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[Parameter(ParameterSetName='Stop',Mandatory=$false)][switch] $Stop
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)
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# Make sure we stop at Errors unless otherwise explicitly specified
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$ErrorActionPreference = "Stop"
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$ProgressPreference = "SilentlyContinue"
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# Explicitly disable Module autoloading and explicitly import the
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# Modules this script relies on. This is not strictly necessary but
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# good practise as it prevents arbitrary errors
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$PSModuleAutoloadingPreference = 'None'
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Import-Module Microsoft.PowerShell.Utility
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Import-Module Microsoft.PowerShell.Management
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Import-Module Hyper-V
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function Get-Vhd-Root {
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if($VhdPathOverride){
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return $VhdPathOverride
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}
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# Default location for VHDs
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$VhdRoot = "$((Get-VMHost).VirtualHardDiskPath)".TrimEnd("\")
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return "$VhdRoot\$VmName.vhdx"
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}
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# Posh thinks that Create is an unapproved verb
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function New-LinuxKitVM {
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if (!(Test-Path $IsoFile)) {
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Fatal "ISO file at $IsoFile does not exist"
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}
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$CPUs = [Math]::min((Get-VMHost).LogicalProcessorCount, $CPUs)
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$vm = Get-VM $VmName -ea SilentlyContinue
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if ($vm) {
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if ($vm.Length -ne 1) {
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Fatal "Multiple VMs exist with the name $VmName. Delete invalid ones."
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}
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} else {
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Write-Output "Creating VM $VmName..."
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$vm = New-VM -Name $VmName -Generation 2 -NoVHD
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$vm | Set-VM -AutomaticStartAction Nothing -AutomaticStopAction ShutDown -CheckpointType Disabled
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}
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if ($vm.Generation -ne 2) {
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Fatal "VM $VmName is a Generation $($vm.Generation) VM. It should be a Generation 2."
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}
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if ($vm.State -ne "Off") {
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Write-Output "VM $VmName is $($vm.State). Cannot change its settings."
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return
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}
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Write-Output "Setting CPUs to $CPUs and Memory to $Memory MB"
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$Memory = ([Math]::min($Memory, ($vm | Get-VMMemory).MaximumPerNumaNode))
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$vm | Set-VM -MemoryStartupBytes ($Memory*1024*1024) -ProcessorCount $CPUs -StaticMemory
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if ($DiskSize -ne 0) {
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$VmVhdFile = Get-Vhd-Root
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$vhd = Get-VHD -Path $VmVhdFile -ea SilentlyContinue
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if (!$vhd) {
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Write-Output "Creating dynamic VHD: $VmVhdFile"
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$vhd = New-VHD -Path $VmVhdFile -Dynamic -SizeBytes ($DiskSize*1024*1024)
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}
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Write-Output "Attach VHD $VmVhdFile"
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$vm | Add-VMHardDiskDrive -Path $VmVhdFile
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}
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if ($SwitchName -ne "") {
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$vmNetAdapter = $vm | Get-VMNetworkAdapter
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if (!$vmNetAdapter) {
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Write-Output "Attach Net Adapter"
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$vmNetAdapter = $vm | Add-VMNetworkAdapter -Passthru
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}
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Write-Output "Connect to switch $SwicthName"
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$vmNetAdapter | Connect-VMNetworkAdapter -VMSwitch $(Get-VMSwitch $SwitchName)
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}
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Write-Output "Attach DVD $IsoFile"
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$vm | Add-VMDvdDrive -Path $IsoFile
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$iso = $vm | Get-VMFirmware | select -ExpandProperty BootOrder | ? { $_.FirmwarePath.EndsWith("Scsi(0,1)") }
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$vm | Set-VMFirmware -EnableSecureBoot Off -FirstBootDevice $iso
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$vm | Set-VMComPort -number 1 -Path "\\.\pipe\$VmName-com1"
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Write-Output "VM created."
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}
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function Remove-LinuxKitVM {
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Write-Output "Removing VM $VmName..."
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Remove-VM $VmName -Force -ea SilentlyContinue
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}
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function Start-LinuxKitVM {
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Write-Output "Starting VM $VmName..."
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Start-VM -VMName $VmName
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}
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function Stop-LinuxKitVM {
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$vm = Get-VM $VmName -ea SilentlyContinue
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if (!$vm) {
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Write-Output "VM $VmName does not exist"
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return
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}
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# This is a bit harsh, we poweroff
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$vm | Stop-VM -Confirm:$false -TurnOff -Force -ea SilentlyContinue
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}
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function Fatal {
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throw "$args"
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Exit 1
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}
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# Main entry point
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Try {
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Switch ($PSBoundParameters.GetEnumerator().Where({$_.Value -eq $true}).Key) {
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'Create' { New-LinuxKitVM }
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'Start' { Start-LinuxKitVM }
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'Stop' { Stop-LinuxKitVM }
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'Remove' { Stop-LinuxKitVM; Remove-LinuxKitVM }
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}
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} Catch {
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throw
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Exit 1
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}
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