DSCResources/MSFT_xRoute/MSFT_xRoute.psm1
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data LocalizedData { # culture="en-US" ConvertFrom-StringData -StringData @' GettingRouteMessage=Getting {0} Route on "{1}" dest {2} nexthop {3}. RouteExistsMessage={0} Route on "{1}" dest {2} nexthop {3} exists. RouteDoesNotExistMessage={0} Route on "{1}" dest {2} nexthop {3} does not exist. SettingRouteMessage=Setting {0} Route on "{1}" dest {2} nexthop {3}. EnsureRouteExistsMessage=Ensuring {0} Route on "{1}" dest {2} nexthop {3} exists. EnsureRouteDoesNotExistMessage=Ensuring {0} Route on "{1}" dest {2} nexthop {3} does not exist. RouteCreatedMessage={0} Route on "{1}" dest {2} nexthop {3} has been created. RouteUpdatedMessage={0} Route on "{1}" dest {2} nexthop {3} has been updated. RouteRemovedMessage={0} Route on "{1}" dest {2} nexthop {3} has been removed. TestingRouteMessage=Testing {0} Route on "{1}" dest {2} nexthop {3}. RoutePropertyNeedsUpdateMessage={4} property on {0} Route on "{1}" dest {2} nexthop {3} is different. Change required. RouteDoesNotExistButShouldMessage={0} Route on "{1}" dest {2} nexthop {3} does not exist but should. Change required. RouteExistsButShouldNotMessage={0} Route on "{1}" dest {2} nexthop {3} exists but should not. Change required. RouteDoesNotExistAndShouldNotMessage={0} Route on "{1}" dest {2} nexthop {3} does not exist and should not. Change not required. InterfaceNotAvailableError=Interface "{0}" is not available. Please select a valid interface and try again. AddressFormatError=Address "{0}" is not in the correct format. Please correct the Address parameter in the configuration and try again. AddressIPv4MismatchError=Address "{0}" is in IPv4 format, which does not match address family {1}. Please correct either of them in the configuration and try again. AddressIPv6MismatchError=Address "{0}" is in IPv6 format, which does not match address family {1}. Please correct either of them in the configuration and try again. '@ } function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $InterfaceAlias, [Parameter(Mandatory)] [ValidateSet('IPv4', 'IPv6')] [String] $AddressFamily, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $DestinationPrefix, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $NextHop ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.GettingRouteMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) # Lookup the existing Route $Route = Get-Route @PSBoundParameters $returnValue = @{ InterfaceAlias = $InterfaceAlias AddressFamily = $AddressFamily DestinationPrefix = $DestinationPrefix NextHop = $NextHop } if ($Route) { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteExistsMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) $returnValue += @{ Ensure = 'Present' RouteMetric = [Uint16] $Route.RouteMetric Publish = $Route.Publish PreferredLifetime = [Double] $Route.PreferredLifetime.TotalSeconds } } else { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteDoesNotExistMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) $returnValue += @{ Ensure = 'Absent' } } $returnValue } # Get-TargetResource function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $InterfaceAlias, [Parameter(Mandatory)] [ValidateSet('IPv4', 'IPv6')] [String] $AddressFamily, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $DestinationPrefix, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $NextHop, [ValidateSet('Present', 'Absent')] [String] $Ensure = 'Present', [Uint16] $RouteMetric = 256, [ValidateSet('No', 'Yes', 'Age')] [String] $Publish = 'No', [Double] $PreferredLifetime ) # Remove any parameters that can't be splatted. $null = $PSBoundParameters.Remove('Ensure') # Lookup the existing Route $Route = Get-Route @PSBoundParameters if ($Ensure -eq 'Present') { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.EnsureRouteExistsMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) if ($Route) { # The Route exists - update it Set-NetRoute @PSBoundParameters ` -Confirm:$false ` -ErrorAction Stop Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteUpdatedMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) } else { # The Route does not exit - create it New-NetRoute @PSBoundParameters ` -ErrorAction Stop Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteCreatedMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) } } else { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.EnsureRouteDoesNotExistMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) if ($Route) { # The Route exists - remove it $null = $PSBoundParameters.Remove('InterfaceAlias') $null = $PSBoundParameters.Remove('AddressFamily') $null = $PSBoundParameters.Remove('DestinationPrefix') $null = $PSBoundParameters.Remove('NextHop') Remove-NetRoute @PSBoundParameters ` -Confirm:$false ` -ErrorAction Stop Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteRemovedMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) } # if } # if } # Set-TargetResource function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $InterfaceAlias, [Parameter(Mandatory)] [ValidateSet('IPv4', 'IPv6')] [String] $AddressFamily, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $DestinationPrefix, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $NextHop, [ValidateSet('Present', 'Absent')] [String] $Ensure = 'Present', [Uint16] $RouteMetric = 256, [ValidateSet('No', 'Yes', 'Age')] [String] $Publish = 'No', [Double] $PreferredLifetime ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.TestingRouteMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) # Flag to signal whether settings are correct [Boolean] $desiredConfigurationMatch = $true # Remove any parameters that can't be splatted. $null = $PSBoundParameters.Remove('Ensure') # Check the parameters Test-ResourceProperty @PSBoundParameters # Lookup the existing Route $Route = Get-Route @PSBoundParameters if ($Ensure -eq 'Present') { # The route should exist if ($Route) { # The route exists and does - but check the parameters if (($PSBoundParameters.ContainsKey('RouteMetric')) ` -and ($Route.RouteMetric -ne $RouteMetric)) { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RoutePropertyNeedsUpdateMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop,'RouteMetric' ` ) -join '' ) $desiredConfigurationMatch = $false } if (($PSBoundParameters.ContainsKey('Publish')) ` -and ($Route.Publish -ne $Publish)) { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RoutePropertyNeedsUpdateMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop,'Publish' ` ) -join '' ) $desiredConfigurationMatch = $false } if (($PSBoundParameters.ContainsKey('PreferredLifetime')) ` -and ($Route.PreferredLifetime.TotalSeconds -ne $PreferredLifetime)) { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RoutePropertyNeedsUpdateMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop,'PreferredLifetime' ` ) -join '' ) $desiredConfigurationMatch = $false } } else { # The route doesn't exist but should Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteDoesNotExistButShouldMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) $desiredConfigurationMatch = $false } } else { # The route should not exist if ($Route) { # The route exists but should not Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteExistsButShouldNotMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) $desiredConfigurationMatch = $false } else { # The route does not exist and should not Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($LocalizedData.RouteDoesNotExistAndShouldNotMessage) ` -f $AddressFamily,$InterfaceAlias,$DestinationPrefix,$NextHop ` ) -join '' ) } } # if return $desiredConfigurationMatch } # Test-TargetResource <# .Synopsis This function looks up the route using the parameters and returns it. If the route is not found $null is returned. #> Function Get-Route { param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $InterfaceAlias, [Parameter(Mandatory)] [ValidateSet('IPv4', 'IPv6')] [String] $AddressFamily, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $DestinationPrefix, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $NextHop, [ValidateSet('Present', 'Absent')] [String] $Ensure = 'Present', [Uint16] $RouteMetric = 256, [ValidateSet('No', 'Yes', 'Age')] [String] $Publish = 'No', [Double] $PreferredLifetime ) try { $Route = Get-NetRoute ` -InterfaceAlias $InterfaceAlias ` -AddressFamily $AddressFamily ` -DestinationPrefix $DestinationPrefix ` -NextHop $NextHop ` -ErrorAction Stop } catch [Microsoft.PowerShell.Cmdletization.Cim.CimJobException] { $Route = $null } catch { Throw $_ } Return $Route } <# .Synopsis This function validates the parameters passed. Called by Test-Resource. Will throw an error if any parameters are invalid. #> Function Test-ResourceProperty { [CmdletBinding()] param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $InterfaceAlias, [Parameter(Mandatory)] [ValidateSet('IPv4', 'IPv6')] [String] $AddressFamily, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $DestinationPrefix, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String] $NextHop, [ValidateSet('Present', 'Absent')] [String] $Ensure = 'Present', [Uint16] $RouteMetric = 256, [ValidateSet('No', 'Yes', 'Age')] [String] $Publish = 'No', [Double] $PreferredLifetime ) # Validate the Adapter exists if (-not (Get-NetAdapter | Where-Object -Property Name -EQ $InterfaceAlias )) { $errorId = 'InterfaceNotAvailable' $errorCategory = [System.Management.Automation.ErrorCategory]::DeviceError $errorMessage = $($LocalizedData.InterfaceNotAvailableError) -f $InterfaceAlias $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null $PSCmdlet.ThrowTerminatingError($errorRecord) } # Validate the DestinationPrefix Parameter $Components = $DestinationPrefix -split '/' $Prefix = $Components[0] $Subnet = $Components[1] if (-not ([System.Net.Ipaddress]::TryParse($Prefix, [ref]0))) { $errorId = 'AddressFormatError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.AddressFormatError) -f $Prefix $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null $PSCmdlet.ThrowTerminatingError($errorRecord) } $detectedAddressFamily = ([System.Net.IPAddress] $Prefix).AddressFamily.ToString() if (($detectedAddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetwork.ToString()) ` -and ($AddressFamily -ne 'IPv4')) { $errorId = 'AddressMismatchError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.AddressIPv4MismatchError) -f $Prefix,$AddressFamily $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null $PSCmdlet.ThrowTerminatingError($errorRecord) } if (($detectedAddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetworkV6.ToString()) ` -and ($AddressFamily -ne 'IPv6')) { $errorId = 'AddressMismatchError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.AddressIPv6MismatchError) -f $Prefix,$AddressFamily $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null $PSCmdlet.ThrowTerminatingError($errorRecord) } # Validate the NextHop Parameter if (-not ([System.Net.Ipaddress]::TryParse($NextHop, [ref]0))) { $errorId = 'AddressFormatError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.AddressFormatError) -f $NextHop $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null $PSCmdlet.ThrowTerminatingError($errorRecord) } $detectedAddressFamily = ([System.Net.IPAddress] $NextHop).AddressFamily.ToString() if (($detectedAddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetwork.ToString()) ` -and ($AddressFamily -ne 'IPv4')) { $errorId = 'AddressMismatchError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.AddressIPv4MismatchError) -f $NextHop,$AddressFamily $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null $PSCmdlet.ThrowTerminatingError($errorRecord) } if (($detectedAddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetworkV6.ToString()) ` -and ($AddressFamily -ne 'IPv6')) { $errorId = 'AddressMismatchError' $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidArgument $errorMessage = $($LocalizedData.AddressIPv6MismatchError) -f $NextHop,$AddressFamily $exception = New-Object -TypeName System.InvalidOperationException ` -ArgumentList $errorMessage $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord ` -ArgumentList $exception, $errorId, $errorCategory, $null $PSCmdlet.ThrowTerminatingError($errorRecord) } } Export-ModuleMember -Function *-TargetResource |