mirror of
https://github.com/librenms/librenms.git
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103 lines
3.2 KiB
PHP
103 lines
3.2 KiB
PHP
<?php
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/**
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* rrdcached.inc.php
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*
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* rrdcached application polling module
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* Capable of collecting stats from the agent or via direct connection
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* Only the default tcp port is supported, and unix sockets only work on localhost
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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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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2016 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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echo ' rrdcached';
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$data = "";
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if ($agent_data['app']['rrdcached']) {
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$data = $agent_data['app']['rrdcached'];
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} else {
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d_echo("\nNo Agent Data. Attempting to connect directly to the rrdcached server " . $device['hostname'] . ":42217\n");
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$sock = fsockopen($device['hostname'], 42217, $errno, $errstr, 5);
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if (!$sock && $device['hostname'] == 'localhost') {
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if (file_exists('/var/run/rrdcached.sock')) {
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$sock = fsockopen('unix:///var/run/rrdcached.sock');
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} elseif (file_exists('/run/rrdcached.sock')) {
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$sock = fsockopen('unix:///run/rrdcached.sock');
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} elseif (file_exists('/tmp/rrdcached.sock')) {
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$sock = fsockopen('unix:///tmp/rrdcached.sock');
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}
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}
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if ($sock) {
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fwrite($sock, "STATS\n");
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$max = -1;
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$count = 0;
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while ($max == -1 || $count < $max) {
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$data .= fgets($sock, 128);
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if ($max == -1) {
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$max = explode(' ', $data)[0] + 1;
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}
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$count++;
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}
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fclose($sock);
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} else {
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d_echo("ERROR: $errno - $errstr\n");
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}
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}
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$rrd_filename = $config['rrd_dir'].'/'.$device['hostname'].'/app-rrdcached-'.$app['app_id'].'.rrd';
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if (!is_file($rrd_filename)) {
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rrdtool_create(
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$rrd_filename,
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'--step 300
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DS:queue_length:GAUGE:600:0:U
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DS:updates_received:COUNTER:600:0:U
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DS:flushes_received:COUNTER:600:0:U
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DS:updates_written:COUNTER:600:0:U
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DS:data_sets_written:COUNTER:600:0:U
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DS:tree_nodes_number:GAUGE:600:0:U
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DS:tree_depth:GAUGE:600:0:U
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DS:journal_bytes:COUNTER:600:0:U
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DS:journal_rotate:COUNTER:600:0:U
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'.$config['rrd_rra']
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);
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}
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$fields = array();
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foreach (explode("\n", $data) as $line) {
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$split = explode(': ', $line);
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if (count($split) == 2) {
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$name = strtolower(preg_replace('/[A-Z]/', '_$0', lcfirst($split[0])));
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$fields[$name] = $split[1];
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}
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}
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rrdtool_update($rrd_filename, $fields);
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$tags = array('name' => 'rrdcached', 'app_id' => $app['app_id']);
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influx_update($device,'app',$tags,$fields);
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unset($data);
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unset($rrd_filename);
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unset($fields);
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unset($tags);
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