ALZ

3.1.1

Private/Config-Helpers/Get-ALZConfig.ps1

function Get-ALZConfig {
    <#

    #>
    param(
        [Parameter(Mandatory = $false)]
        [string] $configFilePath = ""
    )

    if(!(Test-Path $configFilePath)) {
        return $null
    }

    # Import the config and transform it to a PowerShell object
    $extension = (Get-Item -Path $configFilePath).Extension.ToLower()
    $config = $null
    if($extension -eq ".yml" -or $extension -eq ".yaml") {
        if (!(Get-Module -ListAvailable -Name powershell-Yaml)) {
            Write-Host "Installing YAML module"
            Install-Module powershell-Yaml -Force
        }
        try {
            $config = [PSCustomObject](Get-Content -Path $configFilePath | ConvertFrom-Yaml)
        } catch {
            $errorMessage = "Failed to parse YAML inputs. Please check the YAML file for errors and try again. $_"
            Write-Error $errorMessage
            throw $errorMessage
        }

    } elseif($extension -eq ".json") {
        try {
            $config = [PSCustomObject](Get-Content -Path $configFilePath | ConvertFrom-Json)
        } catch {
            $errorMessage = "Failed to parse JSON inputs. Please check the JSON file for errors and try again. $_"
            Write-Error $errorMessage
            throw $errorMessage
        }
    } else {
        throw "The config file must be a json or yaml/yml file"
    }

    Write-Verbose "Config file loaded from $configFilePath with $($config.PSObject.Properties.Name.Count) properties."
    return $config
}