AutomatedLabWorkerNetwork.psm1
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#region New-LWNetworkSwitch function New-LWHypervNetworkSwitch { param ( [Parameter(Mandatory)] [AutomatedLab.VirtualNetwork[]]$VirtualNetwork, [switch]$PassThru ) Write-LogFunctionEntry foreach ($network in $VirtualNetwork) { if (-not $network.Name) { throw 'No name specified for virtual network to be created' } Write-ScreenInfo -Message "Creating Hyper-V virtual network '$($network.Name)'" -TaskStart if (Get-VMSwitch -Name $network.Name -ErrorAction SilentlyContinue) { Write-ScreenInfo -Message "The network switch '$($network.Name)' already exists" -Type Warning continue } if ((Get-NetIPAddress -AddressFamily IPv4) -contains $network.AddressSpace.FirstUsable) { Write-ScreenInfo -Message "The IP '$($network.AddressSpace.FirstUsable)' Address for network switch '$($network.Name)' is already in use" -Type Error return } if ($network.SwitchType -eq 'External') { $adapterMac = (Get-NetAdapter -Name $network.AdapterName).MacAddress $adapterCountWithSameMac = (Get-NetAdapter | Where-Object MacAddress -eq $adapterMac | Group-Object -Property MacAddress).Count if ($adapterCountWithSameMac -gt 1) { throw "The given network adapter ($($network.AdapterName)) for the external virtual switch ($($network.Name)) is already part of a network bridge and cannot be used." } $switch = New-VMSwitch -NetAdapterName $network.AdapterName -Name $network.Name -ErrorAction Stop } else { try { $switch = New-VMSwitch -Name $network.Name -SwitchType ([string]$network.SwitchType) -ErrorAction Stop } catch { Start-Sleep -Seconds 2 $switch = New-VMSwitch -Name $network.Name -SwitchType ([string]$network.SwitchType) -ErrorAction Stop } Start-Sleep -Seconds 1 $config = Get-CimInstance -ClassName Win32_NetworkAdapter | Where-Object NetConnectionID -Match "vEthernet \($($network.Name)\) ?(\d{1,2})?" | Get-CimAssociatedInstance -ResultClassName Win32_NetworkAdapterConfiguration if (-not $config) { throw "The network adapter for network switch '$network' could not be found. Cannot set up address hence will not be able to contact the machines" } #if the network address was defined, get the first usable IP for the network adapter $adapterIpAddress = if ($network.AddressSpace.IpAddress -eq $network.AddressSpace.Network) { $network.AddressSpace.FirstUsable } else { $network.AddressSpace.IpAddress } while ($adapterIpAddress -in (Get-LabMachineDefinition).IpAddress.IpAddress) { $adapterIpAddress = $adapterIpAddress.Increment() } $arguments = @{ IPAddress = @($adapterIpAddress.AddressAsString) SubnetMask = @($network.AddressSpace.Netmask.AddressAsString) } $result = $config | Invoke-CimMethod -MethodName EnableStatic -Arguments $arguments if ($result.ReturnValue) { throw "Could not set the IP address '$($arguments.IPAddress)' with subnet mask '$($arguments.SubnetMask)' on adapter 'vEthernet ($($network.Name))'. The error code was $($result.ReturnValue). Lookup the documentation of the class Win32_NetworkAdapterConfiguration in the MSDN to get more information about the error code." } } Write-ScreenInfo -Message "Done" -TaskEnd if ($PassThru) { $switch } } Write-LogFunctionExit } #endregion New-LWNetworkSwitch #region Remove-LWNetworkSwitch function Remove-LWNetworkSwitch { param ( [Parameter(Mandatory)] [string]$Name ) Write-LogFunctionEntry if (-not (Get-VMSwitch -Name $Name -ErrorAction SilentlyContinue)) { Write-ScreenInfo 'The network switch does not exist' -Type Warning return } if ((Get-VM | Get-VMNetworkAdapter | Where-Object {$_.SwitchName -eq $Name} | Measure-Object).Count -eq 0) { try { Remove-VMSwitch -Name $Name -Force -ErrorAction Stop } catch { Start-Sleep -Seconds 2 Remove-VMSwitch -Name $Name -Force } Write-Verbose "Network switch '$Name' removed" } else { Write-ScreenInfo "Network switch '$Name' is still in use, skipping removal" -Type Warning } Write-LogFunctionExit } #endregion Remove-LWNetworkSwitch |