DscHelper/Public/Get-DscConfigurationImportedResource.ps1
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function Get-DscConfigurationImportedResource { param( [Parameter(Mandatory, ParameterSetName = 'ByFile')] [string]$FilePath, [Parameter(Mandatory, ParameterSetName = 'ByName')] [string]$Name ) $modules = New-Object System.Collections.ArrayList if ($Name) { $ast = (Get-Command -Name $Name).ScriptBlock.Ast $FilePath = $ast.FindAll( { $args[0] -is [System.Management.Automation.Language.ScriptBlockAst] }, $true)[0].Extent.File if (-not $FilePath) { Write-Error "The configuration '$Name' could not be found in a file. Please put the configuration into a file and try again." return } } $ast = [scriptblock]::Create((Get-Content -Path $FilePath -Raw)).Ast $configurations = $ast.FindAll( { $args[0] -is [System.Management.Automation.Language.ConfigurationDefinitionAst] }, $true) Write-Verbose "Script knwos about $($configurations.Count) configurations" foreach ($configuration in $configurations) { $importCmds = $configuration.Body.ScriptBlock.FindAll( { $args[0].Value -eq 'Import-DscResource' -and $args[0] -is [System.Management.Automation.Language.StringConstantExpressionAst] }, $true) Write-Verbose "Configuration $($configuration.InstanceName) knows about $($importCmds.Count) Import-DscResource commands" foreach ($importCmd in $importCmds) { $commandElements = $importCmd.Parent.CommandElements | Select-Object -Skip 1 | Where-Object {$_ -is [System.Management.Automation.Language.ArrayLiteralAst] -or $_ -is [System.Management.Automation.Language.StringConstantExpressionAst] } $moduleNames = $commandElements.SafeGetValue() if ($moduleNames.GetType().IsArray) { $modules.AddRange($moduleNames) } else { [void]$modules.Add($moduleNames) } } } $compositeResources = $modules | Where-Object { $_ -ne 'PSDesiredStateConfiguration' } | ForEach-Object { Get-DscResource -Module $_ } | Where-Object { $_.ImplementedAs -eq 'Composite' } foreach ($compositeResource in $compositeResources) { $modulesInResource = Get-DscConfigurationImportedResource -FilePath $compositeResource.Path if ($modulesInResource.GetType().IsArray) { $modules.AddRange($modulesInResource) } else { [void]$modules.Add($modulesInResource) } } $modules | Select-Object -Unique } |