functions/public/Update-WebConfig.ps1
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function Update-WebConfig { param ( [Parameter(Mandatory = $true)] [string] $webConfigPath, [Parameter(Mandatory = $true)] [string] $settingKey, [string] $settingValue ) if (!(Test-Path $webConfigPath)) { Write-DosMessage -Level Fatal -Message """$webConfigPath"" is not a valid path. Please specify a valid path to the apps web.config file" } $webConfigDoc = [xml](Get-Content $webConfigPath) if (!$webConfigDoc.configuration) { Write-DosMessage -Level Fatal -Message "This web.config file appears to not have a valid ""configuration"" xml node to write to" } if ($null -eq $webConfigDoc.configuration.appSettings) { $appSettings = $webConfigDoc.CreateElement("appSettings") $webConfigDoc.configuration.AppendChild($appSettings) | Out-Null } $appSettings = $webConfigDoc.configuration.SelectSingleNode('//appSettings') $existingSetting = $appSettings.add | Where-Object {$_.key -eq $settingKey} if ($null -eq $existingSetting) { $setting = $webConfigDoc.CreateElement("add") $keyAttribute = $webConfigDoc.CreateAttribute("key") $keyAttribute.Value = $settingKey; $setting.Attributes.Append($keyAttribute) | Out-Null $valueAttribute = $webConfigDoc.CreateAttribute("value") $valueAttribute.Value = $settingValue $setting.Attributes.Append($valueAttribute) | Out-Null $appSettings.AppendChild($setting) | Out-Null } else { $existingSetting.Value = $settingValue } $webConfigDoc.Save($webConfigPath) } |