/**
* Render and return a human readable error message for the given error document
*
* @return string
*
* @todo Parse Elasticsearch 2.x structured errors
*/
public function renderErrorMessage(RestApiResponse $response)
{
try {
$errorDocument = $response->json();
} catch (IcingaException $e) {
return sprintf('%s: %s', $e->getMessage(), $response->getPayload());
}
if (!isset($errorDocument['error'])) {
return sprintf('Elasticsearch unknown json error %s: %s', $response->getStatusCode(), $response->getPayload());
}
if (is_string($errorDocument['error'])) {
return $errorDocument['error'];
}
return sprintf('Elasticsearch json error %s: %s', $response->getStatusCode(), json_encode($errorDocument['error']));
}
