Files
librenms-librenms/includes/html/graphs/service/graph.inc.php
2020-09-21 15:59:34 +02:00

101 lines
3.5 KiB
PHP

<?php
/*
* LibreNMS module to display graphing for Nagios Service
*
* Copyright (c) 2016 Aaron Daniels <aaron@daniels.id.au>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version. Please see LICENSE.txt at the top level of
* the source code distribution for details.
*/
// Get a list of all services for this device.
require_once 'includes/services.inc.php';
$services = service_get($device['device_id']);
// Determine which key is the service we want to show.
if (isset($vars['id'])) {
// Service is set, find its key.
foreach ($services as $key => $service) {
if ($service['service_id'] == $vars['id']) {
// We have found the service we want.
$vars['service'] = $key;
}
}
} else {
// No service set, set the first one.
if (isset($services[0])) {
$vars['service'] = 0;
}
}
// We know our service. build the filename.
$rrd_filename = rrd_name($device['hostname'], ['services', $services[$vars['service']]['service_id']]);
// if we have a script for this check, use it.
$check_script = \LibreNMS\Config::get('install_dir') . '/includes/services/check_' . strtolower($services[$vars['service']]['service_type']) . '.inc.php';
if (is_file($check_script)) {
include $check_script;
// If we have a replacement DS use it.
if (isset($check_ds)) {
$services[$vars['service']]['service_ds'] = $check_ds;
}
}
include 'includes/html/graphs/common.inc.php';
$rrd_options .= ' -l 0 -E ';
$rrd_options .= " COMMENT:' Now Avg Max\\n'";
$rrd_additions = '';
// Remove encoded characters
$services[$vars['service']]['service_ds'] = htmlspecialchars_decode($services[$vars['service']]['service_ds']);
if ($services[$vars['service']]['service_ds'] != '') {
$graphinfo = json_decode($services[$vars['service']]['service_ds'], true);
// Do we have a DS set
if (! isset($graphinfo[$vars['ds']])) {
foreach ($graphinfo as $k => $v) {
// Select a DS to display.
$vars['ds'] = $k;
}
}
// Need: DS name, Label
$ds = $vars['ds'];
$label = $graphinfo[$vars['ds']];
if (rrdtool_check_rrd_exists($rrd_filename)) {
if (isset($check_graph)) {
// We have a graph definition, use it.
$rrd_additions .= $check_graph[$ds];
} else {
// Build the graph ourselves
if (preg_match('/loss/i', $ds)) {
$tint = 'pinks';
} else {
$tint = 'blues';
}
$color_avg = \LibreNMS\Config::get("graph_colours.$tint.2");
$color_max = \LibreNMS\Config::get("graph_colours.$tint.0");
$rrd_additions .= ' DEF:DS=' . $rrd_filename . ':' . $ds . ':AVERAGE ';
$rrd_additions .= ' DEF:DS_MAX=' . $rrd_filename . ':' . $ds . ':MAX ';
$rrd_additions .= ' AREA:DS_MAX#' . $color_max . ':';
$rrd_additions .= ' AREA:DS#' . $color_avg . ":'" . str_pad(substr(ucfirst($ds) . ' (' . $label . ')', 0, 15), 15) . "' ";
$rrd_additions .= ' GPRINT:DS:LAST:%5.2lf%s ';
$rrd_additions .= ' GPRINT:DS:AVERAGE:%5.2lf%s ';
$rrd_additions .= ' GPRINT:DS_MAX:MAX:%5.2lf%s\\l ';
}
}
}
if ($rrd_additions == '') {
// We didn't add any data points.
} else {
$rrd_options .= $rrd_additions;
}