Public/Invoke-DSC.ps1
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function Invoke-Dsc { <# .SYNOPSIS Invokes Dsc resources .DESCRIPTION Passes PSCustomObjects to Invoke-DscResource by invoking the Test method and if the Test method fails invokes the Set method. .PARAMETER Resource Specifies the PSCustomObject to be passed to Invoke-DscResource .EXAMPLE $r = ConvertTo-Dsc -Path 'c:\Config\NewFile.json' Invoke-Dsc -Resource $r .NOTES Wraps around the native Invoke-DscResource cmdlet and invokes them as native Dsc would by running the test method first and if the test method fails it invokes the set method. #> [CmdletBinding(SupportsShouldProcess=$True)] Param ( [Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true,Position=0)] [object[]]$Resource ) Begin { } Process { foreach ($r in $Resource) { $splat = @{ Name = $r.dscResourceName Property = $r.Property ErrorAction = 'SilentlyContinue' } if ($null -ne $r.ModuleVersion) { $splat.Add('ModuleName',@{ModuleName=$($r.ModuleName);ModuleVersion=$($r.ModuleVersion)}) } else { if ($r.ModuleName -eq 'PSDesiredStateConfiguration' -and $r.dscResourceName -eq 'File') { $splat.Add('ModuleName',$r.ModuleName) } else { $latestVersion = Get-LatestModuleVersion -Name $r.ModuleName $splat.Add('ModuleName',@{ModuleName=$($r.ModuleName);ModuleVersion=$latestVersion}) } } Write-Output "[Start Test] [[$($r.dscResourceName)]$($r.ResourceName)]" $testResults = Invoke-DscResource @splat -Method Test -ErrorVariable TestError -Verbose:$false if ($PSCmdlet.ShouldProcess("Invoking Set Method")){ if ($TestError) { Write-Error ("Failed to Invoke $($r.resourceName)" + ($TestError[0].Exception.Message)) } elseif (($testResults.InDesiredState) -ne $true) { Write-Output "[Start Set] [[$($r.dscResourceName)]$($r.ResourceName)]" Invoke-DscResource @splat -Method Set -ErrorVariable SetError -Verbose:$false } if ($SetError) { Write-Error "Failed to invoke [$($r.resourceName)] ($SetError[0].Exception.Message)" } } } } End { } } |