/**
* Return whether a single icinga instance is writing to the given resource
*
* @param Form $form
* @param ConfigObject $resourceConfig
*
* @return bool True if it's a single instance, false if none
* or multiple instances are writing to it
*/
public static function isValidIdoInstance(Form $form, ConfigObject $resourceConfig)
{
$db = ResourceFactory::createResource($resourceConfig);
$rowCount = $db->select()->from('icinga_instances')->count();
if ($rowCount === 0) {
$form->warning($form->translate('There is currently no icinga instance writing to the IDO. Make sure ' . 'that a icinga instance is configured and able to write to the IDO.'));
return false;
} elseif ($rowCount > 1) {
$form->warning($form->translate('There is currently more than one icinga instance writing to the IDO. You\'ll see all objects from all' . ' instances without any differentation. If this is not desired, consider setting up a separate IDO' . ' for each instance.'));
return false;
}
return true;
}
/**
* Validate the ido instance availability
*
* @param Form $form
* @param ConfigObject $resourceConfig
*
* @return bool Whether validation succeeded or not
*/
public static function isValidIdoInstance(Form $form, ConfigObject $resourceConfig)
{
$resource = ResourceFactory::createResource($resourceConfig);
$result = $resource->select()->from('icinga_instances', array('instance_name'));
$instances = $result->fetchAll();
if (count($instances) === 1) {
return true;
} elseif (count($instances) > 1) {
$form->warning($form->translate('IDO instance validation failed, because there are multiple instances available.'));
return false;
}
$form->error($form->translate('IDO instance validation failed, because there is no IDO instance available.'));
return false;
}
