Jeroen De Meerleer
fd8a67c23c
- Adjusted code to handle different scenarios when processing responses.
91 lines
3.5 KiB
PHP
91 lines
3.5 KiB
PHP
<?php
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require 'vendor/autoload.php';
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require 'config.php';
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if(php_sapi_name() == 'cli' || $_SERVER["REQUEST_URI"] == '/metrics') {
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header('Content-Type: text/plain; version=0.0.4');
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foreach ($config as $key => &$metric) {
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if (!isset($metric['submetrics'])) {
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$metric['submetrics'] = [$metric];
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}
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foreach ($metric['submetrics'] as $key => &$submetric) {
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if (isset($submetric['command'])) {
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$output = null;
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$retval = null;
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try {
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exec($submetric['command'], $output, $retval);
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$output = implode("\n", $output);
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} catch (Exception $e) {
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$output = '';
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}
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} elseif (isset($submetric['http'])) {
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$client = new GuzzleHttp\Client();
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$options = [];
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$output = NULL;
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if (isset($submetric['http']['proxy'])) {
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$options['proxy'] = $submetric['http']['proxy'];
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}
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if (isset($submetric['http']['data']) && $submetric['http']['data'] == 'responsetime') {
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$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', $submetric['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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$hasresponse = false;
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}
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}
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if (isset($submetric['http']['data']) && $submetric['http']['data'] == 'responsebody') {
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if ($hasresponse) {
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$output = $res->getBody()->getContents();
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} else {
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$output = '';
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}
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} elseif ((isset($submetric['http']['statuscode'])) && (isset($submetric['http']['data']) && $submetric['http']['data'] == 'hasresponse')) {
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if ($hasresponse) {
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$output = $output = (int)in_array($res->getStatusCode(), $submetric['http']['statuscode']);;
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} else {
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$output = 0;
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}
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} elseif (isset($submetric['http']['data']) && $submetric['http']['data'] == 'hasresponse') {
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$output = (int)$hasresponse;
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}
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}
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if (isset($submetric['jsonelem'])) {
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$submetric['value'] = getArrayValue($submetric['jsonelem'], json_decode($output, true));
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} else {
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$submetric['value'] = $output;
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}
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if (is_bool($submetric['value'])) $submetric['value'] = $submetric['value'] ? 1 : 0;
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}
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}
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$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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