DSCResources/MSFT_xDhcpServerOptionDefinition/MSFT_xDhcpServerOptionDefinition.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(mandatory)] [ValidateNotNullOrEmpty()] [UInt32]$OptionID, [Parameter()] [ValidateSet('IPv4')] [String]$AddressFamily = 'IPv4' ) #region Input Validation #endregion Input Validation $ensure = 'Absent' $dhcpServerOptionDefinition = Get-DhcpServerv4OptionDefinition -OptionId $OptionID -ErrorAction SilentlyContinue @{ OptionId = $OptionID Name = $dhcpServerOptionDefinition.Name AddressFamily = 'IPv4' Ensure = $ensure Description = $dhcpServerOptionDefinition.Description Type = $dhcpServerOptionDefinition.Type DefaultValue = $dhcpServerOptionDefinition.DefaultValue VendorClass = $dhcpServerOptionDefinition.VendorClass MultiValued = $dhcpServerOptionDefinition.MultiValued } } function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory)] [ValidateNotNullOrEmpty()] [String]$Name, [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [UInt32]$OptionID, [ValidateSet('Byte','Word','DWord','DWordDWord','IPv4Address','String','BinaryData','EncapsulatedData')] [String]$Type, [ValidateNotNullOrEmpty()] [string]$Description, [switch]$MultiValued, [ValidateSet('IPv4')] [String]$AddressFamily = 'IPv4', [ValidateSet('Present','Absent')] [String]$Ensure = 'Present', [ValidateNotNullOrEmpty()] [string]$Vendorclass ) #reading the dhcp option $dhcpServerOptionDefinition = Get-DhcpServerv4OptionDefinition -OptionId $OptionID -ErrorAction SilentlyContinue #testing for present if ($Ensure -eq 'Present') { #testing if exists if ($dhcpServerOptionDefinition) { #if it exists and any of multivalued or type is being changed remote then re-add the option if (($dhcpServerOptionDefinition.type -ne $Type) -or ($dhcpServerOptionDefinition.MultiValued -ne $MultiValued) -or ($dhcpServerOptionDefinition.VendorClass -ne $Vendorclass)) { Write-Verbose "Recreating option $OptionID because of changed type or multivalued" Remove-DhcpServerv4OptionDefinition -OptionId $OptionID Add-DhcpServerv4OptionDefinition -OptionId $OptionID -name $Name -Type $Type -Description $Description -MultiValued:$MultiValued -VendorClass $Vendorclass } else { #if option exists we need only to adjust the parameters Write-Verbose "Modifying DHCP Option Definition $OptionID" set-DhcpServerv4OptionDefinition -OptionId $OptionID -name $Name -Description $Description } } #if option does not exist we need to add it else { write-verbose "Adding DHCP Option Definition $OptionID" Add-DhcpServerv4OptionDefinition -OptionId $OptionID -name $Name -Type $Type -Description $Description -MultiValued:$MultiValued -VendorClass $Vendorclass } } #testing for 'absent' else { if ($dhcpServerOptionDefinition) { Write-Verbose "Removing option $OptionID" Remove-DhcpServerv4OptionDefinition -OptionId $OptionID } } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter()] [ValidateNotNullOrEmpty()] [String]$Name, [Parameter()] [ValidateNotNullOrEmpty()] [UInt32]$OptionID, [Parameter()] [ValidateSet('Byte,Word,DWord,DWordDWord,IPv4Address,String,BinaryData,EncapsulatedData')] [String]$Type, [Parameter()] [string]$Description, [Parameter()] [bool]$MultiValued = $false, [Parameter()] [ValidateSet('IPv4')] [String]$AddressFamily = 'IPv4', [ValidateSet('Present','Absent')] [String]$Ensure = 'Present' ) #region Input Validation # Check for DhcpServer module/role #Assert-Module -moduleName DHCPServer #endregion Input Validation try { #geting the dhcp option definition Write-Verbose "Getting DHCP ServerOptionDefinition $OptionID" $dhcpServerOptionDefinition = Get-DhcpServerv4OptionDefinition -OptionId $OptionID -ErrorAction SilentlyContinue -ErrorVariable err #testing for Present if ($Ensure -eq 'Present') { if ($dhcpServerOptionDefinition) { #dhcp server option # exists $Result = $true } } # If option # not exists return false. else { $Result = $false } } catch { } $Result } |