mirror of
https://github.com/librenms/librenms.git
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09d6b2fd54
* Added Prometheus PushGateway support * fixed formatting * fix set_curl_proxy to correct variable * add documentation * Update Metric-Storage.md * Update mkdocs.yml
74 lines
2.5 KiB
PHP
74 lines
2.5 KiB
PHP
<?php
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/*
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* LibreNMS
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*
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* Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ http://www.lathwood.co.uk/fa>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version. Please see LICENSE.txt at the top level of
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* the source code distribution for details.
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*/
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function prometheus_push($device, $measurement, $tags, $fields)
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{
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global $prometheus, $config;
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if ($config['prometheus']['enable'] === true) {
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if ($prometheus !== false) {
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try {
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$ch = curl_init();
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set_curl_proxy($ch);
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$vals = "";
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$promtags = "/measurement/".$measurement;
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foreach ($fields as $k => $v) {
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if ($v !== null) {
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$vals = $vals . "$k $v\n";
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}
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}
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foreach ($tags as $t => $v) {
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if ($v !== null) {
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$promtags = $promtags . "/$t/$v";
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}
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}
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$promurl = $config['prometheus']['url'].'/metrics/job/'.$config['prometheus']['job'].'/instance/'.$device['hostname'].$promtags;
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$promurl = str_replace(" ", "-", $promurl); // Prometheus doesn't handle tags with spaces in url
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d_echo("\nPrometheus data:\n");
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d_echo($measurement);
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d_echo($tags);
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d_echo($fields);
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d_echo($vals);
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d_echo($promurl);
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d_echo("\nEND\n");
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curl_setopt($ch, CURLOPT_URL, $promurl);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $vals);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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$headers = array();
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$headers[] = "Content-Type: test/plain";
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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curl_exec($ch);
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if (curl_errno($ch)) {
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d_echo('Error:' . curl_error($ch));
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}
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} catch (Exception $e) {
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d_echo("Caught exception: " . $e->getMessage() . PHP_EOL);
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d_echo($e->getTrace());
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}
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} else {
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c_echo("[%gPrometheus Push Disabled%n]\n");
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}//end if
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}//end if
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}// end prometheus_push
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