Token.ps1
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<#
.SYNOPSIS Replace *.template.* files tokens with their defined values. Parses a Tokens.MachineName.ps1 to source tokens name. .DESCRIPTION Replace *.template.* files tokens with their defined values. Creates a new file with the replaced tokens that can be used as is within a deployment context. A token is typically defined as a variable in a separate Configuration file and follow the $TKN_MyToken = "Value" Then, the token can be invoked within a script following the [[TKN_MyToken]] convention. .LINK Nexus Innovations : http://www.nexusinno.com -------------------------------------------------------------------------------------- Module 'Nexus.PSToolkit' by: Nexus Innovations. -------------------------------------------------------------------------------------- #> function global:Update-NexusTokens { Param ( [Parameter(Mandatory=$false, ValueFromPipeline=$true)] [ValidateScript({Test-Path $_})] [string]$Path = (Get-Location), [Parameter(Mandatory=$false)] [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]$Encoding = [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]::UTF8, [ValidateScript({Test-Path $_})] [string]$TemplatePath = (Get-Location), [Parameter(Mandatory=$false)] [string]$Environment = $env:COMPUTERNAME ) $Path = Resolve-Path $Path $TemplatePath = Resolve-Path $TemplatePath $tokenPath = (Get-ChildItem -Path $Path -Filter "Tokens.$Environment.ps1") if([string]::IsNullOrEmpty($tokenPath)) { throw [System.IO.FileNotFoundException] "File 'Tokens.$Environment.ps1' not found!" } else { if(Test-Path $tokenPath) { Write-Verbose "Found token file at : $tokenPath" Resolve-Tokens -Path $TemplatePath -TokenPath $tokenPath -Encoding $Encoding } else { throw [System.IO.FileNotFoundException] "File 'Tokens.$Environment.ps1' not found!" } } } function global:Resolve-Tokens { Param ( [string]$Path, [string]$TokenPath, [Microsoft.PowerShell.Commands.FileSystemCmdletProviderEncoding]$Encoding ) Write-Verbose "Resolving tokens within $TokenPath" # Source tokens . ".\$TokenPath" $tokens = Get-Variable -Include "TKN_*" Get-ChildItem -Path $Path -Include "*.template.*" -Recurse | ForEach-Object { Write-Verbose "Replacing tokens in file '$_' ..." try { # Fetch the content of the template file $content = Get-Content $_ -Encoding $Encoding -ErrorAction Stop # Replace each token found in the content of the file with the value of # the token defined in the template file $tokens | ForEach-Object { $content = $content -replace "\[\[$($_.Name)\]\]", $_.Value } # Write the updated file content to a new file overriding any existant file ensuring # the latest version of the tokens within the scripts Set-Content -Encoding $Encoding -Value $content -Path $_.FullName.Replace(".template", [string]::Empty) -Force -ErrorAction Stop } catch { Write-Error "Failed - $_" } Write-Verbose "Success!" } } |