Jeroen De Meerleer
ff34aaa394
Set the Content-Type header to 'text/plain; version=0.0.4' for the '/metrics' endpoint and CLI requests.
71 lines
2.3 KiB
PHP
71 lines
2.3 KiB
PHP
<?php
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require 'vendor/autoload.php';
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require 'config.php';
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if($_SERVER["REQUEST_URI"] == '/metrics' || php_sapi_name() == 'cli') {
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header('Content-Type: text/plain; version=0.0.4');
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foreach ($config as $key => &$c) {
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if(isset($c['command'])) {
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$output=null;
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$retval=null;
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exec($c['command'], $output, $retval);
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$output = implode("\n", $output);
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} elseif(isset($c['http'])) {
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$client = new GuzzleHttp\Client();
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$options = [];
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$output = NULL;
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if (isset($c['http']['proxy'])) {
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$options['proxy'] = $c['http']['proxy'];
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}
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if (isset($c['http']['data']) && $c['http']['data'] == 'responsetime') {
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$options['on_stats'] = function (GuzzleHttp\TransferStats $stats) use (&$output) {
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$output = $stats->getTransferTime();
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};
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}
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$hasresponse = NULL;
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try{
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$res = $client->request('GET', $c['http']['url'], $options);
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$hasresponse = true;
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} catch(GuzzleHttp\Exception\GuzzleException $e) {
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if(method_exists($e, 'getResponse')) {
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$res = $e->getResponse();
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$hasresponse = true;
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} else {
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$hasresponse = false;
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}
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}
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if (isset($c['http']['data']) && $c['http']['data'] == 'responsebody') {
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$output = $res->getBody()->getContents();
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} elseif (isset($c['http']['data']) && $c['http']['data'] == 'hasresponse') {
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$output = (int)$hasresponse;
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}
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}
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if(isset($c['jsonelem'])) {
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$c['value'] = getArrayValue($c['jsonelem'], json_decode($output, true));
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} else {
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$c['value'] = $output;
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}
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if(is_bool($c['value'])) $c['value'] = $c['value'] ? 1 : 0;
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}
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$loader = new \Twig\Loader\FilesystemLoader('templates');
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$twig = new \Twig\Environment($loader, [
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'cache' => 'twig_cache',
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]);
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echo $twig->render('metrics.twig', ['config' => $config]);
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}
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function getArrayValue($elem, $array) {
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$elem = explode('.', $elem);
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$new_array = $array;
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foreach ($elem as $i) {
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$new_array = $new_array[$i];
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}
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return $new_array;
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}
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