DSCResources/cVMSwitch/cVMSwitch.psm1
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#region localizeddata if (Test-Path "${PSScriptRoot}\${PSUICulture}") { Import-LocalizedData -BindingVariable localizedData -filename cVMSwitch.psd1 ` -BaseDirectory "${PSScriptRoot}\${PSUICulture}" } else { #fallback to en-US Import-LocalizedData -BindingVariable localizedData -filename cVMSwitch.psd1 ` -BaseDirectory "${PSScriptRoot}\en-US" } #endregion function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory)] [String]$Name, [parameter(Mandatory)] [ValidateSet("External","Internal","Private")] [String]$Type ) if(!(Get-Module -ListAvailable -Name Hyper-V)) { Throw $localizedData.HyperVModuleNotFound } $configuration = @{ Name = $Name Type = $Type } $switch = Get-VMSwitch -Name $Name -SwitchType $Type -ErrorAction SilentlyContinue if ($switch) { Write-Verbose -Message $localizedData.FoundSwitch if ($switch.SwitchType -eq 'External') { Write-Verbose -Message $localizedData.FoundExternalSwitch #SET specific properties for External switch type if ($switch.EmbeddedTeamingEnabled) { Write-Verbose -Message $localizedData.FoundSetTeam $switchTeam = Get-VMSwitchTeam -Name $Name $netAdapterName = $( $switchTeam.NetAdapterInterfaceDescription | Foreach-Object { (Get-NetAdapter -InterfaceDescription $_).Name } ) $configuration.Add('TeamingMode',$switchTeam.TeamingMode) $configuration.Add('LoadBalancingAlgorithm',$switchTeam.LoadBalancingAlgorithm) } else { $netAdapterName = $( if($switch.NetAdapterInterfaceDescription) { (Get-NetAdapter -InterfaceDescription $switch.NetAdapterInterfaceDescription).Name } ) } } else { Write-Verbose -Message ($localizedData.FoundIntORPvtSwitch -f $switch.SwitchType) } $configuration.Add('NetAdapterName', $netAdapterName) $configuration.Add('NetAdapterInterfaceDescription',$switch.NetAdapterInterfaceDescriptions) $configuration.Add('EmbeddedTeamingEnabled',$switch.EmbeddedTeamingEnabled) $configuration.Add('AllowManagementOS',$switch.AllowManagementOS) $configuration.Add('Id',$switch.Id) $configuration.Add('EnableIoV',$switch.IovEnabled) $configuration.Add('EnablePacketDirect',$switch.PacketDirectEnabled) $configuration.Add('MinimumBandwidthMode',$switch.BandwidthReservationMode) $configuration.Add('Ensure','Present') } else { Write-Verbose -Message $localizedData.NoSwitchFound $configuration.Add('Ensure','Absent') } return $configuration } function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory)] [String] $Name, [parameter(Mandatory)] [ValidateSet('External','Internal','Private')] [String] $Type, [Parameter()] [ValidateNotNullOrEmpty()] [String[]] $NetAdapterName, [Parameter()] [Boolean] $AllowManagementOS, [Parameter()] [Boolean] $EnableIov, [Parameter()] [ValidateSet('None', 'Default', 'Weight', 'Absolute')] [String] $MinimumBandwidthMode='Absolute', [parameter()] [ValidateSet('SwitchIndependent')] [String] $TeamingMode, [parameter()] [ValidateSet('Dynamic','HyperVPort')] [String] $LoadBalancingAlgorithm, [Parameter()] [Boolean]$EnablePacketDirect, [ValidateSet("Present","Absent")] [String] $Ensure = "Present" ) # Check if Hyper-V module is present for Hyper-V cmdlets if(!(Get-Module -ListAvailable -Name Hyper-V)) { Throw $localizedData.HyperVModuleNotFound } if ((($Type -eq 'Internal') -or ($Type -eq 'Private')) -and $AllowManagementOS) { throw $localizedData.InternalPrivateWithAllowManagementOS } if ($Type -eq 'External' -and !($NetAdapterName)) { throw $localizedData.NetAdapterNameForExternal } if ($Type -ne 'External' -and $NetAdapterName) { throw $localizedData.NoNetAdapterInternalPrivate } if (($TeamingMode -or $LoadBalancingAlgorithm) -and ($Type -ne 'External')) { throw $localizedData.NoSETForInternalPrivate } if ($EnableIov -and $EnablePacketDirect) { throw $localizedData.IOVPDTogether } if ($MinimumBandwidthMode -and ($EnableIov -and ($NetAdapterName.Count -gt 1))) { throw $localizedData.IOVMBwithSET } if ($MinimumBandwidthMode -and ($EnablePacketDirect -and ($NetAdapterName.Count -gt 1))) { throw $localizedData.PDMBwithSET } if($Ensure -eq 'Present') { $switch = (Get-VMSwitch -Name $Name -SwitchType $Type -ErrorAction SilentlyContinue) # If switch is present and it is external type, that means it doesn't have right properties (TEST code ensures that) if($switch) { Write-Verbose -Message $localizedData.FoundSwitch if ($switch.SwitchType -eq 'External') { Write-Verbose -Message $localizedData.FoundExternalSwitch #Check if there are multiple network adapters specified; it should be a SET Team if ($NetAdapterName.Count -gt 1) { #We need a SET Team Write-Verbose -Message $localizedData.NeedASET if (-not $switch.EmbeddedTeamingEnabled) { #We dont have a SET team; delete and re-create the team Write-Verbose -Message $localizedData.ReCreateSET $switch | Remove-VMSwitch -Force $arguments = @{ Name = $Name NetAdapterName = $NetAdapterName MinimumBandwidthMode = $MinimumBandwidthMode } if ($PSBoundParameters.ContainsKey('AllowManagementOS')) { $arguments['AllowManagementOS']=$AllowManagementOS } if ($PSBoundParameters.ContainsKey('TeamingMode')) { $arguments['TeamingMode']=$TeamingMode } if ($PSBoundParameters.ContainsKey('LoadBalancingAlgorithm')) { $arguments['LoadBalancingAlgorithm']=$LoadBalancingAlgorithm } if ($PSBoundParameters.ContainsKey("EnableIov")) { $arguments['EnableIov']=$EnableIov } if ($PSBoundParameters.ContainsKey("EnablePacketDirect")) { $arguments['EnablePacketDirect']=$EnablePacketDirect } Write-Verbose -Message $localizedData.CreateSwitch $null = New-VMSwitch @arguments } else { #We have a SET Team; check network adapters and other properties Write-Verbose -Message $localizedData.SETFoundCheckNetAdapter $switchTeam = Get-VMSwitchTeam -VMSwitch $switch $existngNetAdapters = $switchTeam.NetAdapterInterfaceDescription | ForEach-Object { (Get-NetAdapter -InterfaceDescription $_).Name } $switchTeamMembers = Compare-Object -ReferenceObject $NetAdapterName -DifferenceObject $existngNetAdapters $setTeamArguments = @{ VMSwitch = $switch } if ($null -ne $switchTeamMembers) { #We have a difference in the compared objects Write-Verbose -Message $localizedData.SETMembersDontMatch $setTeamArguments['NetAdapterName'] = $NetAdapterName $updateTeam = $true } #check other propeties of the SET Team as well if ($PSBoundParameters.ContainsKey('TeamingMode')) { if ($switchTeam.TeamingMode -ne $TeamingMode) { $setTeamArguments['TeamingMode']=$TeamingMode $updateTeam = $true } } if ($PSBoundParameters.ContainsKey('LoadBalancingAlgorithm')) { if ($switchTeam.LoadBalancingAlgorithm -ne $LoadBalancingAlgorithm) { $setTeamArguments['LoadBalancingAlgorithm']=$LoadBalancingAlgorithm $updateTeam = $true } } if ($updateTeam) { Write-Verbose -Message $localizedData.UpdateSETTeam $null = Set-VMSwitchTeam @setTeamArguments } #Finally, check if if we need set AllowManagementOS if($PSBoundParameters.ContainsKey("AllowManagementOS")) { Write-Verbose -Message "Checking if Switch $Name has AllowManagementOS set correctly..." if(($switch.AllowManagementOS -ne $AllowManagementOS)) { Write-Verbose -Message $localizedData.UpdateSwitch $null = Set-VMSwitch -VMSwitch $switch -AllowManagementOS $AllowManagementOS } } } } else { #We don't need a SET Team if ($switch.EmbeddedTeamingEnabled) { #We have SET team; need to delete and re-create a normal switch Write-Verbose -Message $localizedData.NeedANormalSwitch Write-Verbose -Message $localizedData.RemovingSwitch $switch | Remove-VMSwitch -Force $switchArguments = @{ Name = $Name NetAdapterName = $NetAdapterName MinimumBandwidthMode = $MinimumBandwidthMode } if ($PSBoundParameters.ContainsKey('AllowManagementOS')) { $switchArguments['AllowManagementOS']=$AllowManagementOS } if ($PSBoundParameters.ContainsKey("EnableIov")) { $switchArguments['EnableIov']=$EnableIov } if ($PSBoundParameters.ContainsKey("EnablePacketDirect")) { $switchArguments['EnablePacketDirect']=$EnablePacketDirect } Write-Verbose -Message $localizedData.CreateSwitch $null = New-VMSwitch @switchArguments } else { #We have a normal switch; Check other properties $switchUpdateArguments = @{ VMSwitch = $switch } if((Get-NetAdapter -Name $NetAdapterName).InterfaceDescription -ne $switch.NetAdapterInterfaceDescription) { #Network Adapter is not matching; we can set this without deleting the switch $switchUpdateArguments['NetAdapterName'] = $NetAdapterName $updateSwitch = $true } if($PSBoundParameters.ContainsKey("AllowManagementOS")) { Write-Verbose -Message "Checking if Switch $Name has AllowManagementOS set correctly..." if(($switch.AllowManagementOS -ne $AllowManagementOS)) { $switchUpdateArguments['AllowManagementOS'] = $AllowManagementOS $updateSwitch = $true } } if ($updateSwitch) { Write-Verbose -Message $localizedData.UpdateSwitch $null = Set-VMSwitch @switchUpdateArguments } } } } else { #We have an internal or private switch; we cannot update any properties Write-Verbose -Message $localizedData.WeShouldNeverReachHere } } else { # If the switch is not present, create one $parameters = @{} $parameters["Name"] = $Name if($NetAdapterName) { $parameters["NetAdapterName"] = $NetAdapterName $parameters["MinimumBandwidthMode"] = $MinimumBandwidthMode if($PSBoundParameters.ContainsKey("AllowManagementOS")) { $parameters["AllowManagementOS"] = $AllowManagementOS } } else { $parameters["SwitchType"] = $Type } Write-Verbose -Message $localizedData.CreateSwitch $null = New-VMSwitch @parameters } } # Ensure is set to "Absent", remove the switch else { Write-Verbose -Message $localizedData.RemovingSwitch Get-VMSwitch $Name -ErrorAction SilentlyContinue | Remove-VMSwitch -Force } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory)] [String] $Name, [parameter(Mandatory)] [ValidateSet('External','Internal','Private')] [String] $Type, [Parameter()] [ValidateNotNullOrEmpty()] [String[]] $NetAdapterName, [Parameter()] [Boolean] $AllowManagementOS, [Parameter()] [Boolean] $EnableIov, [Parameter()] [ValidateSet('None', 'Default', 'Weight', 'Absolute')] [String] $MinimumBandwidthMode='Absolute', [parameter()] [ValidateSet('SwitchIndependent')] [String] $TeamingMode, [parameter()] [ValidateSet('Dynamic','HyperVPort')] [String] $LoadBalancingAlgorithm, [Parameter()] [Boolean]$EnablePacketDirect, [ValidateSet("Present","Absent")] [String] $Ensure = "Present" ) # Check if Hyper-V module is present for Hyper-V cmdlets if(!(Get-Module -ListAvailable -Name Hyper-V)) { Throw $localizedData.HyperVModuleNotFound } if ((($Type -eq 'Internal') -or ($Type -eq 'Private')) -and $AllowManagementOS) { throw $localizedData.InternalPrivateWithAllowManagementOS } if ($Type -eq 'External' -and !($NetAdapterName)) { throw $localizedData.NetAdapterNameForExternal } if ($Type -ne 'External' -and $NetAdapterName) { throw $localizedData.NoNetAdapterInternalPrivate } if (($TeamingMode -or $LoadBalancingAlgorithm) -and ($Type -ne 'External')) { throw $localizedData.NoSETForInternalPrivate } if ($EnableIov -and $EnablePacketDirect) { throw $localizedData.IOVPDTogether } if ($MinimumBandwidthMode -and ($EnableIov -and ($NetAdapterName.Count -gt 1))) { throw $localizedData.IOVMBwithSET } if ($MinimumBandwidthMode -and ($EnablePacketDirect -and ($NetAdapterName.Count -gt 1))) { throw $localizedData.PDMBwithSET } try { $switch = Get-VMSwitch -Name $Name -SwitchType $Type -ErrorAction Stop if($switch) { Write-Verbose -Message $localizedData.FoundSwitch if ($Ensure -eq 'Present') { if ($NetAdapterName.Count -gt 1) { Write-Verbose -Message $localizedData.NeedASET #We need a SET team if (-not $switch.EmbeddedTeamingEnabled) { Write-Verbose -Message $localizedData.ReCreateSET return $false } else { #We have a SET team; need to compare the properties $switchTeam = Get-VMSwitchTeam -Name $Name if ($Type -eq 'External') { #Compare network adapters in the SET Write-Verbose -Message $localizedData.SETFoundCheckNetAdapter $existngNetAdapters = $switchTeam.NetAdapterInterfaceDescription | ForEach-Object { (Get-NetAdapter -InterfaceDescription $_).Name } $switchTeamMembers = Compare-Object -ReferenceObject $NetAdapterName ` -DifferenceObject $existngNetAdapters if ($null -ne $switchTeamMembers) { #We have a difference in the compared objects Write-Verbose -Message $localizedData.SETMembersDontMatch return $false } } if ($switchTeam.LoadBalancingAlgorithm -ne $LoadBalancingAlgorithm) { Write-Verbose -Message $localizedData.LBDifferent return $false } if ($switchTeam.TeamingMode -ne $TeamingMode) { Write-Verbose -Message $localizedData.TeamingDifferent return $false } } } else { #We need a normal VM switch if ($switch.EmbeddedTeamingEnabled) { Write-Verbose -Message $localizedData.NeedANormalSwitch return $false } if ($Type -eq 'External') { if((Get-NetAdapter -Name $NetAdapterName -ErrorAction SilentlyContinue).InterfaceDescription -ne $switch.NetAdapterInterfaceDescription) { Write-Verbose -Message $localizedData.NetAdapterDifferent return $false } } } #Check for common properties if($PSBoundParameters.ContainsKey("AllowManagementOS") -and $Type -eq 'External') { if(($switch.AllowManagementOS -ne $AllowManagementOS)) { Write-Verbose -Message $localizedData.AllowMgmtOSDifferent return $false } } if ($EnablePacketDirect) { if (-not $switch.EnablePacketDirect) { Write-Warning -Message $localizedData.EPDCannotChange } } if ($EnableIov) { if (-not $switch.EnableIov) { Write-Warning -Message $localizedData.IOVCannotChange } } if ($MinimumBandwidthMode -ne $switch.BandwidthReservationMode) { Write-Warning -Message $localizedData.MBCannotChange } #If we have reached this far, the switch exists with necessary configuration Write-Verbose -Message $localizedData.SwitchExistsNoAction return $true } else { Write-Verbose -Message $localizedData.SwitchExistsItShouldnot return $false } } else { if ($Ensure -eq 'Present') { Write-Verbose -Message $localizedData.SwitchShouldExist return $false } else { Write-Verbose -Message $localizedData.SwitchDoesNotExistNoAction return $true } } } # If no switch was present catch [System.Management.Automation.ActionPreferenceStopException] { Write-Verbose -Message $localizedData.NoSwitchFound return ($Ensure -eq 'Absent') } } Export-ModuleMember -Function *-TargetResource |