functions/configuration/_ResolveDeploymentConfigValues.ps1
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# <copyright file="_ResolveDeploymentConfigValues.ps1" company="Endjin Limited"> # Copyright (c) Endjin Limited. All rights reserved. # </copyright> <# .SYNOPSIS Detects whether any configuration values need to be resolved by a handler. .DESCRIPTION Detects whether any configuration values need to be resolved by a handler. .PARAMETER DeploymentConfig A hashtable containing the configuration key/value pairs. #> function _ResolveDeploymentConfigValues { [CmdletBinding()] param ( [Parameter(Mandatory=$true)] [hashtable] $DeploymentConfig ) for ($i=0; $i -lt $DeploymentConfig.Keys.Count; $i++) { $key = $DeploymentConfig.Keys | Select-Object -Skip $i -First 1 Write-Verbose "Checking resolvers for '$key'" $configValue = $DeploymentConfig[$key] foreach ($resolver in $configHandlers) { Write-Verbose "Checking resolver: '$($resolver.name)'" $handlerRes = [regex]::Matches($configValue, $resolver.matcher) if ($handlerRes.Count -gt 0) { Write-Verbose "Matched resolver: '$($resolver.name)'" $DeploymentConfig[$key] = _invokeHandler -HandlerName $resolver.handler ` -ValueToResolve $handlerRes[0].Groups['valueToResolve'].Value break } } } return $DeploymentConfig } function _invokeHandler { [CmdletBinding()] param ( [Parameter(Mandatory=$true)] [string] $HandlerName, [Parameter(Mandatory=$true)] [string] $ValueToResolve ) & $HandlerName $ValueToResolve } # Dynamically load the discovered configuration handlers $private:here = Split-Path -Parent $PSCommandPath $script:configHandlers = @() foreach ($handler in (Get-ChildItem $here/handlers/*.ps1)) { . $handler.FullName } |