add basic nested hyperv on kvm test case

qemu/deps/nested_hyperv/hyperv_env.ps1

@@ -0,0 +1,170 @@
+#######################################################################
+#
+#    Initialize, or provision Windows Server as follows:
+#  - The Hyper-V feature is installed.
+#  - The required Hyper-V vSwitche is created, e.g. Internal switch.
+#######################################################################
+
+Write-Host "Info: Start to build up enviroment for Hyper-V"
+
+$internalSwitchName = "Internal"
+$externalSwitchName = "External"
+
+function TestCommandExists ([String]$command){
+    try {
+        if(Get-Command $command -ErrorAction SilentlyContinue){
+            Write-Host "Info: $command exists";
+            return $true
+        }
+    }
+    Catch {
+        Write-Host "Info: $command does not exist";
+        return $false
+    }
+}
+
+function InstallHyperVPowershell(){
+    # Need to restart windows to take effect, restart action will be out of this script
+    if (TestCommandExists Get-WindowsFeature) {
+        $powershellFeature = Get-WindowsFeature -Name "Hyper-v-powershell"
+        if (-not $powershellFeature.Installed){
+            Install-windowsFeature -Name Hyper-v-powershell
+            if (-not $?){
+                Throw "Error: Unable to install Hyper-v module"
+            }
+            else{
+                Write-Host "Info: Have executed Install-windowsfeature successfully";
+            }
+        }
+    }
+}
+
+function CreateExternalSwitch()
+{
+    #
+    # We will only create an external switch if:
+    #  - The host only has a single physical NIC, and an external switch
+    #    does not already exist.
+    #  - The host has multiple physical NICs, but only one is connected,
+    #    and an external switch does not already exist.
+    #
+
+    Write-Host "Info: Checking for External vSwitch named '${externalSwitchName}'"
+    $externalSwitch = Get-VMSwitch -Name "${externalSwitchName}" -ErrorAction SilentlyContinue
+    if ($externalSwitch){
+        # A vSwitch named external already exists
+        Write-Host -f Yellow "Warning: The external vSwitch '${externalSwitchName}' already exists"
+        return
+    }
+
+    $adapters = Get-NetAdapter
+    $numPotentialNICs = 0
+    $potentialNIC = $null
+
+    foreach ($nic in $adapters){
+        # Make sure NIC is connected (MediaConnectState = 1)
+        # and the NIC is up (InterfaceOperationalStatus = 1)
+
+        if ($nic.InterfaceOperationalStatus -eq 1 -and $nic.MediaConnectState -eq 1){
+            $numPotentialNICs += 1
+            $potentialNIC = $nic.InterfaceDescription
+            Write-Host "Info: Potential NIC for external vSwitch = '${potentialNIC}'"
+        }
+    }
+
+    if ($numPotentialNICs -eq 0){
+        Write-Host -f Yellow "Warning: No potential NICs found to create an External vSwitch"
+        Write-Host -f Yellow "         You will need to manually create the external vSwitch"
+        exit 1
+    }
+    elseif ($numPotentialNICs -gt 1){
+        Write-Host -f Yellow "Warning: There are more than one physical NICs that could be used"
+        Write-Host -f Yellow "         with an external vSwitch.  You will need to manually"
+        Write-Host -f Yellow "         create the external vSwitch"
+        exit 1
+    }
+
+    #
+    # Create an External NIC using the one potential physical NIC
+    #
+    New-VMSwitch -Name "${externalSwitchName}" -NetAdapterInterfaceDescription "${potentialNIC}"
+    if (-not $?){
+        Write-Host "Error: Unable to create external vSwitch using NIC '${potentialNIC}'"
+        exit 1
+    }
+    Write-Host "Info: External vSwitch '${externalSwitchName}' was created, using NIC"
+    Write-Host "      ${potentialNIC}"
+}
+
+function CreateInternalSwitch(){
+    #
+    # See if an internal switch named 'Internal' already exists.
+    # If not, create it
+    #
+    Write-Host "Info: Checking for Internal vSwitch named '${internalSwitchName}'"
+    $internalSwitch = Get-VMSwitch -Name "${internalSwitchName}" -ErrorAction SilentlyContinue
+    if (-not $internalSwitch){
+        New-VMSwitch -Name "${internalSwitchName}"  -SwitchType Internal
+        if (-not $?){
+            Throw "Error: Unable to create Internal switch"
+        }
+
+        Get-NetAdapter -Name "${internalSwitchName}" | New-NetIPAddress -AddressFamily ipv4 -IPAddress 192.168.0.1 -PrefixLength 24
+        Write-Host "Info: Internal vSwitch '${internalSwitchName}' was created with IP range 192.168.0.1/24"
+    }
+    else{
+        Write-Host -f Yellow "Warning: The Internal vSwitch '${internalSwitchName}' already exists"
+    }
+}
+
+function InstallRolesAndFeatures(){
+    if ( TestCommandExists Get-WindowsFeature){
+        $hypervFeature = Get-WindowsFeature -Name "Hyper-V"
+        if (-not $hypervFeature.Installed){
+            $feature = Install-WindowsFeature -Name "Hyper-V" -IncludeAllSubfeature -IncludeManagementTools
+            if (-not $feature.Success){
+                Throw "Error: Unable to install the Hyper-V roles"
+            }else{
+                Write-Host "Info: Have executed Install-WindowsFeature successfully"
+            }
+        }
+    }
+    else{
+        # For windows 10 and 11
+        $hypervFeature = Get-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-All
+        if (-not $hypervFeature.Enalbed){
+            $feature=Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-All -NoRestart
+            if (-not $feature.Online){
+                Throw "Error: Unable to enable the Hyper-V roles }"
+            }
+            else{
+                Write-Host "Info: Have executed Enable-WindowsOptionalFeature successfully"
+            }
+        }
+    }
+}
+
+#######################################################################
+#
+# Main script body
+#
+#######################################################################
+
+try {
+    # Install any roles and features
+    Write-Host "Info: Start to install for Hyper-V Powershell"
+    InstallHyperVPowershell
+
+    Write-Host "Info: Start to install Hyper-V role"
+    InstallRolesAndFeatures
+    #CreateExternalSwitch
+    #CreateInternalSwitch
+}
+catch {
+    $msg = $_.Exception.Message
+    Write-Host -f Red "Error: Unable to provision the host"
+    Write-Host -f Red "${msg}"
+    exit 1
+}
+
+exit 0

qemu/deps/nested_hyperv/hyperv_run.ps1

@@ -0,0 +1,70 @@
+param([String] $vhdx_path='C:\fedora.vhdx')
+# Main script to get vhdx and start gen1/gen2 vm.
+
+$PrivateSwitchName = "Private"
+
+function CreatePrivateSwitches(){
+    #
+    # See if an Private switch named 'Private' already exists.
+    # If not, create it
+    #
+    Write-Host "Info : Checking for Private vSwitch named '${PrivateSwitchName}'"
+    $privateSwitch = Get-VMSwitch -Name "${privateSwitchName}" -ErrorAction SilentlyContinue
+    if (-not $privateSwitch){
+        New-VMSwitch -Name "${privateSwitchName}" -SwitchType Private
+        if (-not $?){
+            Throw "Error: Unable to create Private switch"
+        }
+        Write-Host "Info: Private vSwitch '${privateSwitchName}' is created"
+    }
+    else{
+        Write-Host -f Yellow "Warning: the vSwitch '$privateSwitchName}' already exists"
+    }
+}
+
+# Create internal switch if does not exist
+CreatePrivateSwitches
+
+$vhdx_name=[System.IO.Path]::GetFileNameWithoutExtension($vhdx_path)
+$vhdx_folder=[System.IO.Path]::GetDirectoryName($vhdx_path)
+
+# $vm_name_gen1="fedora-gen1"
+# $vm_name_gen2="fedora-gen2"
+$vm_name_gen1= $vhdx_name +"-gen1"
+$vm_name_gen2= $vhdx_name +"-gen2"
+
+# $vm_gen1_vhdx="C:\fedora-gen1.vhdx"
+# $vm_gen2_vhdx="C:\fedora-gen2.vhdx"
+$vm_vhdx_gen1=$vhdx_folder+$vm_name_gen1+".vhdx"
+$vm_vhdx_gen2=$vhdx_folder+$vm_name_gen2+".vhdx"
+
+# Remove old vm if have
+powershell C:\nested-hyperv-on-kvm\hyperv_sets.ps1 -action del -vm_name $vm_name_gen1
+powershell C:\nested-hyperv-on-kvm\hyperv_sets.ps1 -action del -vm_name $vm_name_gen2
+start-sleep 2
+
+if (-not (Test-Path $vhdx_path)){
+    write-host "Error: the vhdx file $vhdx_path does not exist."
+    exit 1
+}
+
+start-sleep 2
+Copy-Item $vhdx_path $vm_vhdx_gen1
+start-sleep 2
+Copy-Item $vhdx_path $vm_vhdx_gen2
+start-sleep 2
+Remove-Item $vhdx_path
+
+#Start new gen1 vm
+powershell C:\nested-hyperv-on-kvm\hyperv_sets.ps1 -action clone -vm_name $vm_name_gen1 -vhd_path $vhdx_folder
+if ($? -eq $false) {
+    write-host "Error: fail to start vm $vm_name_gen1"
+    exit 1
+}
+start-sleep 2
+powershell C:\nested-hyperv-on-kvm\hyperv_sets.ps1 -action clone -vm_name $vm_name_gen2 -vhd_path $vhdx_folder -gen2
+if ($? -eq $false) {
+    write-host "Error: fail to start vm $vm_name_gen2"
+    exit 1
+}
+exit 0