DSCResources/DSC_xWindowsFeature/DSC_xWindowsFeature.psm1
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$errorActionPreference = 'Stop' Set-StrictMode -Version 'Latest' $modulePath = Join-Path -Path (Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent) -ChildPath 'Modules' # Import the shared modules Import-Module -Name (Join-Path -Path $modulePath ` -ChildPath (Join-Path -Path 'xPSDesiredStateConfiguration.Common' ` -ChildPath 'xPSDesiredStateConfiguration.Common.psm1')) # Import Localization Strings $script:localizedData = Get-LocalizedData -ResourceName 'DSC_xWindowsFeature' <# .SYNOPSIS Retrieves the status of the role or feature with the given name on the target machine. .PARAMETER Name The name of the role or feature to retrieve .PARAMETER Credential The credential (if required) to retrieve the role or feature. Optional. .NOTES If the specified role or feature does not contain any subfeatures then IncludeAllSubFeature will be set to $false. If the specified feature contains one or more subfeatures then IncludeAllSubFeature will be set to $true only if all the subfeatures are installed. Otherwise, IncludeAllSubFeature will be set to $false. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Name, [Parameter()] [ValidateNotNullOrEmpty()] [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()] $Credential ) Write-Verbose -Message ($script:localizedData.GetTargetResourceStartMessage -f $Name) Import-ServerManager Write-Verbose -Message ($script:localizedData.QueryFeature -f $Name) $isWinServer2008R2SP1 = Test-IsWinServer2008R2SP1 if ($isWinServer2008R2SP1 -and $PSBoundParameters.ContainsKey('Credential')) { $feature = Invoke-Command -ScriptBlock { Get-WindowsFeature -Name $Name } ` -ComputerName . ` -Credential $Credential ` } else { $feature = Get-WindowsFeature @PSBoundParameters } Assert-SingleInstanceOfFeature -Feature $feature -Name $Name $includeAllSubFeature = $true if ($feature.SubFeatures.Count -eq 0) { $includeAllSubFeature = $false } else { foreach ($currentSubFeatureName in $feature.SubFeatures) { $getWindowsFeatureParameters = @{ Name = $currentSubFeatureName } if ($PSBoundParameters.ContainsKey('Credential')) { $getWindowsFeatureParameters['Credential'] = $Credential } if ($isWinServer2008R2SP1 -and $PSBoundParameters.ContainsKey('Credential')) { <# Calling Get-WindowsFeature through Invoke-Command to start a new process with the given credential since Get-WindowsFeature doesn't support the Credential attribute on this server. #> $subFeature = Invoke-Command -ScriptBlock { Get-WindowsFeature -Name $currentSubFeatureName } ` -ComputerName . ` -Credential $Credential ` } else { $subFeature = Get-WindowsFeature @getWindowsFeatureParameters } Assert-SingleInstanceOfFeature -Feature $subFeature -Name $currentSubFeatureName if (-not $subFeature.Installed) { $includeAllSubFeature = $false break } } } if ($feature.Installed) { $ensureResult = 'Present' } else { $ensureResult = 'Absent' } Write-Verbose -Message ($script:localizedData.GetTargetResourceEndMessage -f $Name) # Add all feature properties to the hash table return @{ Name = $Name DisplayName = $feature.DisplayName Ensure = $ensureResult IncludeAllSubFeature = $includeAllSubFeature } } <# .SYNOPSIS Installs or uninstalls the role or feature with the given name on the target machine with the option of installing or uninstalling all subfeatures as well. .PARAMETER Name The name of the role or feature to install or uninstall. .PARAMETER Ensure Specifies whether the role or feature should be installed ('Present') or uninstalled ('Absent'). By default this is set to Present. .PARAMETER IncludeAllSubFeature Specifies whether or not all subfeatures should be installed or uninstalled with the specified role or feature. Default is false. If this property is true and Ensure is set to Present, all subfeatures will be installed. If this property is false and Ensure is set to Present, subfeatures will not be installed or uninstalled. If Ensure is set to Absent, all subfeatures will be uninstalled. .PARAMETER Credential The credential (if required) to install or uninstall the role or feature. Optional. .PARAMETER LogPath The custom path to the log file to log this operation. If not passed in, the default log path will be used (%windir%\logs\ServerManager.log). #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Name, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Boolean] $IncludeAllSubFeature = $false, [Parameter()] [ValidateNotNullOrEmpty()] [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()] $Credential, [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $LogPath ) Write-Verbose -Message ($script:localizedData.SetTargetResourceStartMessage -f $Name) Import-ServerManager $isWinServer2008R2SP1 = Test-IsWinServer2008R2SP1 if ($Ensure -eq 'Present') { $addWindowsFeatureParameters = @{ Name = $Name IncludeAllSubFeature = $IncludeAllSubFeature } if ($PSBoundParameters.ContainsKey('LogPath')) { $addWindowsFeatureParameters['LogPath'] = $LogPath } Write-Verbose -Message ($script:localizedData.InstallFeature -f $Name) if ($isWinServer2008R2SP1 -and $PSBoundParameters.ContainsKey('Credential')) { <# Calling Add-WindowsFeature through Invoke-Command to start a new process with the given credential since Add-WindowsFeature doesn't support the Credential attribute on this server. #> $feature = Invoke-Command -ScriptBlock { Add-WindowsFeature @addWindowsFeatureParameters } ` -ComputerName . ` -Credential $Credential } else { if ($PSBoundParameters.ContainsKey('Credential')) { $addWindowsFeatureParameters['Credential'] = $Credential } $feature = Add-WindowsFeature @addWindowsFeatureParameters } if ($null -ne $feature -and $feature.Success) { Write-Verbose -Message ($script:localizedData.InstallSuccess -f $Name) # Check if reboot is required, if so notify the Local Configuration Manager. if ($feature.RestartNeeded -eq 'Yes') { Write-Verbose -Message $script:localizedData.RestartNeeded Set-DSCMachineRebootRequired } } else { New-InvalidOperationException -Message ($script:localizedData.FeatureInstallationFailureError -f $Name) } } # Ensure = 'Absent' else { $removeWindowsFeatureParameters = @{ Name = $Name } if ($PSBoundParameters.ContainsKey('LogPath')) { $removeWindowsFeatureParameters['LogPath'] = $LogPath } Write-Verbose -Message ($script:localizedData.UninstallFeature -f $Name) if ($isWinServer2008R2SP1 -and $PSBoundParameters.ContainsKey('Credential')) { <# Calling Remove-WindowsFeature through Invoke-Command to start a new process with the given credential since Remove-WindowsFeature doesn't support the Credential attribute on this server. #> $feature = Invoke-Command -ScriptBlock { Remove-WindowsFeature @removeWindowsFeatureParameters } ` -ComputerName . ` -Credential $Credential } else { if ($PSBoundParameters.ContainsKey('Credential')) { $addWindowsFeatureParameters['Credential'] = $Credential } $feature = Remove-WindowsFeature @removeWindowsFeatureParameters } if ($null -ne $feature -and $feature.Success) { Write-Verbose ($script:localizedData.UninstallSuccess -f $Name) # Check if reboot is required, if so notify the Local Configuration Manager. if ($feature.RestartNeeded -eq 'Yes') { Write-Verbose -Message $script:localizedData.RestartNeeded Set-DSCMachineRebootRequired } } else { New-InvalidOperationException -Message ($script:localizedData.FeatureUninstallationFailureError -f $Name) } } Write-Verbose -Message ($script:localizedData.SetTargetResourceEndMessage -f $Name) } <# .SYNOPSIS Tests if the role or feature with the given name is in the desired state. .PARAMETER Name The name of the role or feature to test the state of. .PARAMETER Ensure Specifies whether the role or feature should be installed ('Present') or uninstalled ('Absent'). By default this is set to Present. .PARAMETER IncludeAllSubFeature Specifies whether the subfeatures of the indicated role or feature should also be checked to ensure they are in the desired state. If Ensure is set to 'Present' and this is set to $true then each subfeature is checked to ensure it is installed as well. If Ensure is set to Absent and this is set to $true, then each subfeature is checked to ensure it is uninstalled. As of now, this test can't be used to check if a feature is Installed but all of its subfeatures are uninstalled. By default this is set to $false. .PARAMETER Credential The Credential (if required) to test the status of the role or feature. Optional. .PARAMETER LogPath The path to the log file to log this operation. Not used in Test-TargetResource. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Name, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Boolean] $IncludeAllSubFeature = $false, [Parameter()] [ValidateNotNullOrEmpty()] [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()] $Credential, [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $LogPath ) Write-Verbose -Message ($script:localizedData.TestTargetResourceStartMessage -f $Name) Import-ServerManager $testTargetResourceResult = $false $getWindowsFeatureParameters = @{ Name = $Name } if ($PSBoundParameters.ContainsKey('Credential')) { $getWindowsFeatureParameters['Credential'] = $Credential } Write-Verbose -Message ($script:localizedData.QueryFeature -f $Name) $isWinServer2008R2SP1 = Test-IsWinServer2008R2SP1 if ($isWinServer2008R2SP1 -and $PSBoundParameters.ContainsKey('Credential')) { <# Calling Get-WindowsFeature through Invoke-Command to start a new process with the given credential since Get-WindowsFeature doesn't support the Credential attribute on this server. #> $feature = Invoke-Command -ScriptBlock { Get-WindowsFeature -Name $Name } ` -ComputerName . ` -Credential $Credential } else { $feature = Get-WindowsFeature @getWindowsFeatureParameters } Assert-SingleInstanceOfFeature -Feature $feature -Name $Name # Check if the feature is in the requested Ensure state. if (($Ensure -eq 'Present' -and $feature.Installed -eq $true) -or ` ($Ensure -eq 'Absent' -and $feature.Installed -eq $false)) { $testTargetResourceResult = $true if ($IncludeAllSubFeature) { # Check if each subfeature is in the requested state. foreach ($currentSubFeatureName in $feature.SubFeatures) { $getWindowsFeatureParameters['Name'] = $currentSubFeatureName if ($isWinServer2008R2SP1 -and $PSBoundParameters.ContainsKey('Credential')) { <# Calling Get-WindowsFeature through Invoke-Command to start a new process with the given credential since Get-WindowsFeature doesn't support the Credential attribute on this server. #> $subFeature = Invoke-Command -ScriptBlock { Get-WindowsFeature -Name $currentSubFeatureName } ` -ComputerName . ` -Credential $Credential } else { $subFeature = Get-WindowsFeature @getWindowsFeatureParameters } Assert-SingleInstanceOfFeature -Feature $subFeature -Name $currentSubFeatureName if (-not $subFeature.Installed -and $Ensure -eq 'Present') { $testTargetResourceResult = $false break } if ($subFeature.Installed -and $Ensure -eq 'Absent') { $testTargetResourceResult = $false break } } } } else { # Ensure is not in the correct state $testTargetResourceResult = $false } Write-Verbose -Message ($script:localizedData.TestTargetResourceEndMessage -f $Name) return $testTargetResourceResult } <# .SYNOPSIS Asserts that a single instance of the given role or feature exists. .PARAMETER Feature The role or feature object to check. .PARAMETER Name The name of the role or feature to include in any error messages that are thrown. (Not used to assert validity of the feature). #> function Assert-SingleInstanceOfFeature { [CmdletBinding()] param ( [Parameter()] [System.Management.Automation.PSObject[]] $Feature, [Parameter()] [System.String] $Name ) if ($null -eq $Feature) { New-InvalidOperationException -Message ($script:localizedData.FeatureNotFoundError -f $Name) } if ($Feature.Count -gt 1) { New-InvalidOperationException -Message ($script:localizedData.MultipleFeatureInstancesError -f $Name) } } <# .SYNOPSIS Sets up the ServerManager module on the target node. Throws an error if not on a machine running Windows Server. #> function Import-ServerManager { param () <# Enable ServerManager-PSH-Cmdlets feature if OS is WS2008R2 Core. Datacenter = 12, Standard = 13, Enterprise = 14 #> $serverCoreOSCodes = @( 12, 13, 14 ) $operatingSystem = Get-CimInstance -Class 'Win32_OperatingSystem' # Check if this operating system needs an update to the ServerManager cmdlets if ($operatingSystem.Version.StartsWith('6.1.') -and ` $serverCoreOSCodes -contains $operatingSystem.OperatingSystemSKU) { Write-Verbose -Message $script:localizedData.EnableServerManagerPSHCmdletsFeature <# ServerManager-PSH-Cmdlets has a depndency on Powershell 2 update: MicrosoftWindowsPowerShell, so enabling the MicrosoftWindowsPowerShell update. #> $null = Dism\online\enable-feature\FeatureName:MicrosoftWindowsPowerShell $null = Dism\online\enable-feature\FeatureName:ServerManager-PSH-Cmdlets } try { Import-Module -Name 'ServerManager' -ErrorAction Stop } catch [System.Management.Automation.RuntimeException] { if ($_.Exception.Message -like "*Some or all identity references could not be translated*") { Write-Verbose $_.Exception.Message } else { Write-Verbose -Message $script:localizedData.ServerManagerModuleNotFoundMessage New-InvalidOperationException -Message $script:localizedData.SkuNotSupported } } catch { Write-Verbose -Message $script:localizedData.ServerManagerModuleNotFoundMessage New-InvalidOperationException -Message $script:localizedData.SkuNotSupported } } <# .SYNOPSIS Tests if the machine is a Windows Server 2008 R2 SP1 machine. .NOTES Since Assert-PrequisitesValid ensures that ServerManager is available on the machine, this function only checks the OS version. #> function Test-IsWinServer2008R2SP1 { param () return ([Environment]::OSVersion.Version.ToString().Contains('6.1.')) } Export-ModuleMember -Function *-TargetResource |