Private/Config-Helpers/Set-Config.ps1
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function Set-Config { [CmdletBinding(SupportsShouldProcess = $true)] param( [Parameter(Mandatory = $true)] [object] $configurationParameters, [Parameter(Mandatory = $false)] [PSCustomObject] $inputConfig = $null, [Parameter(Mandatory = $false)] [switch] $copyEnvVarToConfig ) if ($PSCmdlet.ShouldProcess("Set Configuration.", "Set configuration values.")) { $configurations = $configurationParameters.PsObject.Properties foreach ($configurationValue in $configurations) { # Check for calculated configuration if($configurationValue.Value.Source -eq "calculated") { $configurationValue.Value.Value = $configurationValue.Value.Pattern continue } # Get input config name $inputConfigName = $configurationValue.Name if($configurationValue.Value.PSObject.Properties.Name -contains "SourceInput") { $inputConfigName = $configurationValue.Value.SourceInput Write-Verbose "Using source input $inputConfigName for $($configurationValue.Name)" } # Look for environment variables $environmentVariable = [Environment]::GetEnvironmentVariable("TF_VAR_$inputConfigName") if($null -ne $environmentVariable) { if($copyEnvVarToConfig) { $configurationValue.Value.Value = $environmentVariable Write-Verbose "Set value from environment variable for $inputConfigName" } else { $configurationValue.Value.Value = "sourced-from-env" Write-Verbose "Using environment variable for $inputConfigName" } continue } # Look for array config match if($inputConfigName.EndsWith("]")) { $indexSplit = $inputConfigName.Split([char[]]@('[', ']'), [System.StringSplitOptions]::RemoveEmptyEntries) $inputConfigItem = $inputConfig.PsObject.Properties | Where-Object { $_.Name -eq $indexSplit[0] } if($null -ne $inputConfigItem) { if(!$inputConfigItem.Value.GetType().ImplementedInterfaces.Contains([System.Collections.ICollection])) { Write-Error "Input config item $($inputConfigName) is not an array, but an index was specified." throw "Input config item $($inputConfigName) is not an array, but an index was specified." } $index = [int]$indexSplit[1] if($inputConfigItem.Value.Length -le $index) { Write-Verbose "Input config item $($inputConfigName) does not have an index of $index." } else { $inputConfigItemValue = $inputConfigItem.Value[$index] if($null -ne $inputConfigItemValue) { $configurationValue.Value.Value = $inputConfigItemValue continue } else { Write-Verbose "Input config item $($inputConfigName) with index $index is null." } } } else { Write-Error "Input config item $($inputConfigName) not found." throw "Input config item $($inputConfigName) not found." } } # Look for input config match $inputConfigItem = $inputConfig.PsObject.Properties | Where-Object { $_.Name -eq $inputConfigName } if($null -ne $inputConfigItem) { $configurationValue.Value.Value = $inputConfigItem.Value continue } # TODO: Add validation here... # Use the default value if no input config is supplied if($configurationValue.Value.PSObject.Properties.Name -match "DefaultValue") { Write-Verbose "Input not supplied, so using default value of $($configurationValue.Value.DefaultValue) for $($configurationValue.Name)" $configurationValue.Value.Value = $configurationValue.Value.DefaultValue continue } Write-InformationColored "Input not supplied, and no default for $($configurationValue.Name)..." -ForegroundColor Red -InformationAction Continue throw "Input not supplied, and no default for $($configurationValue.Name)..." } return $configurationParameters } } |