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8c4efc83e1
Graphs that were using `file_exists()` to check for the presence of RRD files now use `rrdtool_check_rrd_exists()` instead. This is a fix for distributed poller configurations that are running `rrdcached` on a different host.
93 lines
3.1 KiB
PHP
93 lines
3.1 KiB
PHP
<?php
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/*
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* LibreNMS module to display graphing for Nagios Service
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*
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* Copyright (c) 2016 Aaron Daniels <aaron@daniels.id.au>
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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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// Get a list of all services for this device.
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require_once '../includes/services.inc.php';
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$services = service_get($device['device_id']);
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// Determine which key is the service we want to show.
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if (isset($vars['service'])) {
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// Service is set, find its key.
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foreach ($services as $key => $service) {
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if ($service['service_id'] == $vars['service']) {
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// We have found the service we want.
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$vars['service'] = $key;
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}
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}
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} else {
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// No service set, set the first one.
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if (isset($services[0])) {
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$vars['service'] = 0;
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}
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}
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// We know our service. build the filename.
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$rrd_filename = rrd_name($device['hostname'], array('services', $services[$vars['service']]['service_id']));
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// if we have a script for this check, use it.
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$check_script = $config['install_dir'].'/includes/services/check_'.strtolower($services[$vars['service']]['service_type']).'.inc.php';
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if (is_file($check_script)) {
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include $check_script;
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// If we have a replacement DS use it.
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if (isset($check_ds)) {
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$services[$vars['service']]['service_ds'] = $check_ds;
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}
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}
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include "includes/graphs/common.inc.php";
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$rrd_options .= " -l 0 -E ";
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$rrd_options .= " COMMENT:' Now Avg Max\\n'";
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$rrd_additions = "";
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// Remove encoded characters
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$services[$vars['service']]['service_ds'] = htmlspecialchars_decode($services[$vars['service']]['service_ds']);
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if ($services[$vars['service']]['service_ds'] != "") {
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$graphinfo = json_decode($services[$vars['service']]['service_ds'], true);
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// Do we have a DS set
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if (!isset($graphinfo[$vars['ds']])) {
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foreach ($graphinfo as $k => $v) {
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// Select a DS to display.
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$vars['ds'] = $k;
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}
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}
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// Need: DS name, Label
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$ds = $vars['ds'];
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$label = $graphinfo[$vars['ds']];
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if (rrdtool_check_rrd_exists($rrd_filename)) {
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if (isset($check_graph)) {
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// We have a graph definition, use it.
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$rrd_additions .= $check_graph[$ds];
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} else {
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// Build the graph ourselves
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$color = $config['graph_colours']['mixed'][2];
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$rrd_additions .= " DEF:DS=" . $rrd_filename . ":".$ds.":AVERAGE ";
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$rrd_additions .= " AREA:DS#" . $color . ":'" . str_pad(substr(ucfirst($ds)." (".$label.")", 0, 15), 15) . "' ";
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$rrd_additions .= " GPRINT:DS:LAST:%5.2lf%s ";
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$rrd_additions .= " GPRINT:DS:AVERAGE:%5.2lf%s ";
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$rrd_additions .= " GPRINT:DS:MAX:%5.2lf%s\\\l ";
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}
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}
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}
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if ($rrd_additions == "") {
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// We didn't add any data points.
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} else {
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$rrd_options .= $rrd_additions;
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}
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