protected function createRootNode(ArrayNodeDefinition $rootNode)
{
$rootNode->children()->arrayNode('storage')->info('Configure here where and how you want to save your certificates and SSL keys.')->children()->booleanNode('enable_backup')->info('By default, Acme PHP will create a backup of every file before any modification. You can disable this mechanism here.')->isRequired()->defaultTrue()->end()->arrayNode('post_generate')->info('Actions to execute right after the generation of a file (key, CSR or certificate). Actions are executed in the order provided in configuration.')->normalizeKeys(false)->prototype('variable')->cannotBeEmpty()->validate()->ifTrue(function ($action) {
return !array_key_exists('action', $action);
})->thenInvalid('The "action" configuration key is required.')->end()->end()->end()->end()->end()->arrayNode('monitoring')->info('Configure here a simple monitoring mechanism that will warn you if an error occurs during a CRON job.')->normalizeKeys(false)->prototype('variable')->cannotBeEmpty()->end()->end()->end();
}
