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https://github.com/librenms/librenms.git
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affe5090f4
* Initial support for graphite * Enable graphite include * fixed typos. * Fixed port naming to graphite metric names * Added documentation for Graphite * added documentation for graphite * fixed style * replace / with _ in interface names for graphite * sets default graphite port * adds rrd-name tags to the metric, otherwise metrics get lost * add suggested storage schema for graphite * add whitespace * Updated to show some output * bad english
72 lines
2.7 KiB
PHP
72 lines
2.7 KiB
PHP
<?php
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/*
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* LibreNMS abstract data storage interface to both rrdtool & influxdb
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*
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* Copyright (c) 2016 Paul D. Gear <paul@librenms.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Filter all elements with keys that start with 'rrd_'
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*
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* @param array $arr input array
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* @return array Copy of $arr with all keys beginning with 'rrd_' removed.
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*/
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function rrd_array_filter($arr)
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{
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$result = array();
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foreach ($arr as $k => $v) {
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if (strpos($k, 'rrd_') === 0) {
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continue;
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}
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$result[$k] = $v;
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}
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return $result;
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} // rrd_array_filter
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/**
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* Datastore-independent function which should be used for all polled metrics.
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*
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* RRD Tags:
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* rrd_def RrdDefinition
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* rrd_name array|string: the rrd filename, will be processed with rrd_name()
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* rrd_oldname array|string: old rrd filename to rename, will be processed with rrd_name()
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* rrd_step int: rrd step, defaults to 300
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*
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* @param array $device
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* @param string $measurement Name of this measurement
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* @param array $tags tags for the data (or to control rrdtool)
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* @param array|mixed $fields The data to update in an associative array, the order must be consistent with rrd_def,
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* single values are allowed and will be paired with $measurement
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*/
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function data_update($device, $measurement, $tags, $fields)
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{
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// convenience conversion to allow calling with a single value, so, e.g., these are equivalent:
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// data_update($device, 'mymeasurement', $tags, 1234);
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// AND
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// data_update($device, 'mymeasurement', $tags, array('mymeasurement' => 1234));
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if (!is_array($fields)) {
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$fields = array($measurement => $fields);
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}
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// rrdtool_data_update() will only use the tags it deems relevant, so we pass all of them.
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// However, influxdb saves all tags, so we filter out the ones beginning with 'rrd_'.
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rrdtool_data_update($device, $measurement, $tags, $fields);
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influx_update($device, $measurement, rrd_array_filter($tags), $fields);
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graphite_update($device, $measurement, $tags, $fields);
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} // data_update
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