DSCResources/xUnitySetupInstance/xUnitySetupInstance.psm1
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<# .Synopsis Returns the status of Unity installs and the set of their overlapping components. .Parameter Versions The versions of Unity to test for. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.String] $Versions ) Write-Verbose "Begin executing Get on $Versions" [string[]]$splitVersions = $Versions -split ',' | ForEach-Object { $_.Trim() } $setupInstances = Get-UnitySetupInstance | Where-Object { $splitVersions -contains $_.Version } $result = @{ "Versions" = $setupInstances | Select-Object -ExpandProperty Version | Sort-Object -Unique "Ensure" = if ($setupInstances.Count -gt 0) { 'Present'} else { 'Absent' } } Write-Verbose "Found versions: $($result['Versions'])" if ( $setupInstances.Count -gt 0 ) { $components = $setupInstances[0].Components; for ( $i = 1; $i -lt $setupInstances.Count; $i++) { $components = $components -band $setupInstances[$i].Components; } $result["Components"] = $components } $result Write-Verbose "Found overlapping components: $($result['Components'])" Write-Verbose "End executing Get on $Versions" } <# .Synopsis Installs or uninstalls the specified Versions of Unity and corresponding Components. .Parameter Versions What versions are we concered with? .Parameter Ensure Should we ensure they're there or ensure they're not? .Parameter Components What components are we concerned with? .Notes Only uninstalls whole versions of Unity. Ensuring components doesn't mean other components weren't previously installed and aren't still available. #> function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $Versions, [ValidateSet("Present", "Absent")] [System.String] $Ensure = 'Present', [System.String[]] $Components = @('All') ) Write-Verbose "Begin executing Set to Ensure $Versions with $Components are $Ensure" [string[]]$splitVersions = $Versions -split ',' | ForEach-Object { $_.Trim() } switch ($Ensure) { 'Present' { foreach ($version in $splitVersions) { $findArgs = @{ 'Version' = $version 'Components' = ConvertTo-UnitySetupComponent $Components } $installArgs = @{ 'Cache' = "$env:TEMP\.unitysetup" } $setupInstances = Get-UnitySetupInstance | Select-UnitySetupInstance -Version $version if ($setupInstances.Count -gt 0) { $findArgs["Components"] = ($findArgs.Components -band (-bnot ($setupInstances[0].Components -band $findArgs.Components))) $installArgs["Destination"] = $setupInstances[0].Path } # No missing components for this version if ( $findArgs.Components -eq 0 ) { Write-Verbose "All components of $version were installed" continue; } Write-Verbose "Finding $($findArgs["Components"]) installers for $version" $installArgs["Installers"] = Find-UnitySetupInstaller @findArgs -WarningAction Stop if ( $installArgs.Installers.Count -gt 0 ) { Write-Verbose "Starting install of $($installArgs.Installers.Count) components for $version" Install-UnitySetupInstance @installArgs Write-Verbose "Finished install of $($installArgs.Installers.Count) components for $version" } } } 'Absent' { $setupInstances = Get-UnitySetupInstance | Where-Object { $splitVersions -contains $_.Version } Write-Verbose "Found $($setupInstances.Count) instance(s) of $splitVersions" if ( $setupInstances.Count -gt 0 ) { Write-Verbose "Starting uninstall of $($setupInstances.Count) versions of Unity" Uninstall-UnitySetupInstance -Instances $setupInstances Write-Verbose "Finished uninstall of $($setupInstances.Count) versions of Unity" } } } Write-Verbose "End executing Set to Ensure $Versions with $Components are $Ensure" } <# .Synopsis Test if the Unity installs are in the desired state. .Parameter Versions What versions are we concered with? .Parameter Ensure Should we ensure they're there or ensure they're not? .Parameter Components What components are we concerned with? .Notes This test is not strict. Versions and Components not described are not considered. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $Versions, [ValidateSet("Present", "Absent")] [System.String] $Ensure = 'Present', [System.String[]] $Components = @('All') ) Write-Verbose "Begin executing Test to verify $Versions with $Components are $Ensure" [string[]]$splitVersions = $Versions -split ',' | ForEach-Object { $_.Trim() } $result = $true switch ( $Ensure ) { 'Present' { $setupComponents = ConvertTo-UnitySetupComponent $Components foreach ($version in $splitVersions) { Write-Verbose "Starting test for $version" $setupInstances = Get-UnitySetupInstance | Select-UnitySetupInstance -Version $version Write-Verbose "Found $($setupInstances.Count) instance(s) of $version" if ($setupInstances.Count -eq 0) { Write-Verbose "Found $version missing." $result = $false break } $availableComponents = ($setupInstances[0].Components -band $setupComponents) if ($availableComponents -ne $setupComponents) { $missingComponents = ConvertTo-UnitySetupComponent ($setupComponents -bxor $availableComponents) Write-Verbose "Found $version missing $($missingComponents)" $result = $false break } } } 'Absent' { foreach ($version in $splitVersions) { $setupInstances = Get-UnitySetupInstance | Select-UnitySetupInstance -Version $version Write-Verbose "Found $($setupInstances.Count) instance(s) of $version" if ($setupInstances.Count -gt 0) { Write-Verbose "Found $version installed." $result = $false break } } } } $result Write-Verbose "End executing Test to verify $Versions with $Components are $Ensure" } Export-ModuleMember -Function *-TargetResource |