Creating Module
This commit is contained in:
Torsten Brendgen
@@ -1,327 +1,15 @@
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function Merge-ConfigurationData {
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[CmdletBinding()]
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Param(
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[Parameter(Mandatory=$true)]
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[System.Collections.Hashtable]
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$Template,
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[Parameter(Mandatory=$true)]
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[System.Collections.Hashtable]
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$Deployment,
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[Parameter(Mandatory=$false)]
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[System.Collections.Hashtable]
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$Output
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)
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if($Output -eq $null){
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$Output = $Deployment
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}
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$ModuleRoot = $PSScriptRoot
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foreach($Property in $Template.GetEnumerator()){
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if($Property.Value -is [System.Collections.Hashtable]){
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Write-Verbose "Key [$($Property.Name)] is a Hashtable"
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if($null -ne $Deployment.$($Property.Name)){
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Write-Verbose "Key [$($Property.Name)] is present in Deployment Data"
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$Output.($Property.Name) = Merge-ConfigurationData -Template $Template.$($Property.Name) -Deployment $Deployment.$($Property.Name) -Output $Output.$($Property.Name)
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}else{
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Write-Verbose "Key [$($Property.Name)] is not present in Deployment Data"
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$Output.Add($($Property.Name),(Copy-ConfigurationDataValue -Value $Template.$($Property.Name)))
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}
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}elseif($Property.Value -is [System.Collections.Specialized.OrderedDictionary]){
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Write-Verbose "Key [$($Property.Name)] is a Ordered Dictionary"
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if($null -ne $Deployment.$($Property.Name)){
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Write-Verbose "Key [$($Property.Name)] is present in Deployment Data"
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$Output.($Property.Name) = Merge-ConfigurationData -Template $Template.$($Property.Name) -Deployment $Deployment.$($Property.Name) -Output $Output.$($Property.Name)
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}else{
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Write-Verbose "Key [$($Property.Name)] is not present in Deployment Data"
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$Output.Add($($Property.Name),(Copy-ConfigurationDataValue -Value $Template.$($Property.Name)))
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}
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}elseif($Property.Value -is [System.Array]){
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Write-Verbose "$($Property.Name) is ein Array"
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Write-Verbose "Total Items in Template Array [$($Property.Value.Count)]"
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Write-Verbose "Total Items in Deployment Array [$($Deployment.$($Property.Name).Count)]"
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if($null -ne $Deployment.$($Property.Name)){
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Write-Verbose "Array is defined in Deployment"
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$TemplateItems = for($i=0;$i -lt $Property.Value.Count; $i++){
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$SearchKeyNames = @(Get-ConfigurationDataArrayMergeKeyNames -ArrayName $Property.Name -Item $Property.Value[$i])
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[PSCustomObject]@{
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Value = $Property.Value[$i]
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SearchKeyNames = $SearchKeyNames
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IsWildcard = Test-ConfigurationDataItemWildcard -Item $Property.Value[$i] -KeyNames $SearchKeyNames
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}
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}
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$TemplateItems = @($TemplateItems | Where-Object { -not $_.IsWildcard }) + @($TemplateItems | Where-Object { $_.IsWildcard })
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foreach($TemplateItem in $TemplateItems){
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$SearchKeyNames = @($TemplateItem.SearchKeyNames)
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if($SearchKeyNames.Count -eq 0){
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Write-Verbose "No matching name key found for item in [$($Property.Name)]"
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$Output.$($Property.Name) += ,(Copy-ConfigurationDataValue -Value $TemplateItem.Value)
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continue
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}
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if($TemplateItem.IsWildcard){
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$MatchingDeploymentItems = @($Deployment.$($Property.Name) | Where-Object { Test-ConfigurationDataItemHasKeys -Item $_ -KeyNames $SearchKeyNames })
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}else{
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$MatchingDeploymentItems = @($Deployment.$($Property.Name) | Where-Object { Test-ConfigurationDataItemKeyMatch -Left $_ -Right $TemplateItem.Value -KeyNames $SearchKeyNames })
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}
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if($MatchingDeploymentItems.Count -gt 0){
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foreach($DeploymentItem in $MatchingDeploymentItems){
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$OutputItem = @($Output.$($Property.Name) | Where-Object { Test-ConfigurationDataItemKeyMatch -Left $_ -Right $DeploymentItem -KeyNames $SearchKeyNames })[0]
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Merge-ConfigurationData -Template $TemplateItem.Value -Deployment $DeploymentItem -Output $OutputItem | Out-Null
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}
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}else{
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if($TemplateItem.IsWildcard){
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Write-Verbose "Wildcard item [$(Format-ConfigurationDataMergeKey -Item $TemplateItem.Value -KeyNames $SearchKeyNames)] in [$($Property.Name)] matched no deployment items"
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}else{
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Write-Verbose "Pair [$(Format-ConfigurationDataMergeKey -Item $TemplateItem.Value -KeyNames $SearchKeyNames)] not present"
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$Output.$($Property.Name) += ,(Copy-ConfigurationDataValue -Value $TemplateItem.Value)
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}
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}
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}
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}else{
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Write-Verbose "Array is not defined in Deployment"
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$Output.$($Property.Name) = Copy-ConfigurationDataValue -Value $Template.$($Property.Name)
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}
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}else{
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Write-Verbose "$($Property.Name) is a String or Integer Value"
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if($null -eq $Deployment.$($Property.Name)){
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$Output.Add($Property.Name,(Copy-ConfigurationDataValue -Value $Template.($Property.Name)))
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}elseif($Deployment.$($Property.Name) -ne $Property.Value){
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}
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}
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}
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return $Output
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if([String]::IsNullOrWhiteSpace($ModuleRoot)){
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throw "This compatibility loader must be dot-sourced from a file path. Use Import-Module './Merge-DSCConfigurationData.psd1' for module usage."
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}
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function Copy-ConfigurationDataValue {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Value
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)
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$PrivatePath = Join-Path -Path $ModuleRoot -ChildPath "Private"
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$PublicPath = Join-Path -Path $ModuleRoot -ChildPath "Public"
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if($null -eq $Value){
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return $null
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}
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$Private = @(Get-ChildItem -Path $PrivatePath -Filter "*.ps1" -File -ErrorAction Stop | Sort-Object -Property FullName)
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$Public = @(Get-ChildItem -Path $PublicPath -Filter "*.ps1" -File -ErrorAction Stop | Sort-Object -Property FullName)
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if($Value -is [System.Collections.Specialized.OrderedDictionary]){
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$Copy = [ordered]@{}
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foreach($Entry in $Value.GetEnumerator()){
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$Copy[$Entry.Name] = Copy-ConfigurationDataValue -Value $Entry.Value
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}
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return $Copy
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}
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if($Value -is [System.Collections.Hashtable]){
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$Copy = @{}
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foreach($Entry in $Value.GetEnumerator()){
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$Copy[$Entry.Name] = Copy-ConfigurationDataValue -Value $Entry.Value
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}
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return $Copy
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}
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if($Value -is [System.Array]){
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$Copy = @()
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foreach($Item in $Value){
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$Copy += ,(Copy-ConfigurationDataValue -Value $Item)
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}
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return ,$Copy
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}
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return $Value
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}
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function Get-ConfigurationDataArraySearchItem {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Item
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)
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if($null -eq $Item){
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return $null
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}
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if(-not (
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($Item -is [System.Collections.Hashtable]) -or
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($Item -is [System.Collections.Specialized.OrderedDictionary])
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)){
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return $null
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}
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return @(
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$Item.GetEnumerator() |
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Where-Object { ($_.Value -is [String]) -and ($_.Name -like "*Name") } |
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Select-Object -First 1
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)[0]
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}
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function Get-ConfigurationDataArrayMergeKeyNames {
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[CmdletBinding()]
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Param(
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[Parameter(Mandatory=$true)]
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[String]
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$ArrayName,
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[AllowNull()]
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$Item
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)
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$MergeKeyMap = @{
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Instances = @('Name')
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ConfigurationOptions = @('OptionName')
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AdditionalScripts = @('ScriptName')
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Templates = @('TemplateName')
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AllNodes = @('NodeName')
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Registry = @('Key','ValueName')
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}
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if($MergeKeyMap.ContainsKey($ArrayName)){
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return $MergeKeyMap[$ArrayName]
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}
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$SearchItem = Get-ConfigurationDataArraySearchItem -Item $Item
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if($null -ne $SearchItem){
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return @($SearchItem.Name)
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}
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return @()
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}
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function Test-ConfigurationDataItemContainsKey {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Item,
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[Parameter(Mandatory=$true)]
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[String]
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$KeyName
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)
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if($null -eq $Item){
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return $false
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}
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if($Item -is [System.Collections.IDictionary]){
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return $Item.Contains($KeyName)
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}
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return $null -ne $Item.PSObject.Properties[$KeyName]
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}
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function Get-ConfigurationDataItemValue {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Item,
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[Parameter(Mandatory=$true)]
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[String]
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$KeyName
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)
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if(-not (Test-ConfigurationDataItemContainsKey -Item $Item -KeyName $KeyName)){
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return $null
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}
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if($Item -is [System.Collections.IDictionary]){
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return $Item[$KeyName]
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}
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return $Item.$KeyName
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}
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function Test-ConfigurationDataItemHasKeys {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Item,
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[Parameter(Mandatory=$true)]
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[String[]]
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$KeyNames
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)
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foreach($KeyName in $KeyNames){
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if(-not (Test-ConfigurationDataItemContainsKey -Item $Item -KeyName $KeyName)){
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return $false
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}
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}
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return $true
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}
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function Test-ConfigurationDataItemKeyMatch {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Left,
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[AllowNull()]
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$Right,
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[Parameter(Mandatory=$true)]
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[String[]]
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$KeyNames
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)
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if($KeyNames.Count -eq 0){
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return $false
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}
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foreach($KeyName in $KeyNames){
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if(-not (Test-ConfigurationDataItemContainsKey -Item $Left -KeyName $KeyName)){
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return $false
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}
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if(-not (Test-ConfigurationDataItemContainsKey -Item $Right -KeyName $KeyName)){
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return $false
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}
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if((Get-ConfigurationDataItemValue -Item $Left -KeyName $KeyName) -ne (Get-ConfigurationDataItemValue -Item $Right -KeyName $KeyName)){
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return $false
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}
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}
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return $true
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}
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function Test-ConfigurationDataItemWildcard {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Item,
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[Parameter(Mandatory=$true)]
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[String[]]
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$KeyNames
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)
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if($KeyNames.Count -ne 1){
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return $false
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}
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if(-not (Test-ConfigurationDataItemContainsKey -Item $Item -KeyName $KeyNames[0])){
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return $false
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}
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return (Get-ConfigurationDataItemValue -Item $Item -KeyName $KeyNames[0]) -eq "*"
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}
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function Format-ConfigurationDataMergeKey {
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[CmdletBinding()]
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Param(
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[AllowNull()]
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$Item,
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[Parameter(Mandatory=$true)]
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[String[]]
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$KeyNames
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)
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$Pairs = foreach($KeyName in $KeyNames){
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"$KeyName=$(Get-ConfigurationDataItemValue -Item $Item -KeyName $KeyName)"
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}
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return ($Pairs -join ", ")
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foreach($File in @($Private + $Public)){
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. $File.FullName
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}
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