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Graph of overall poller performance (#9381)

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* Graph definitions

* Stacked.

* Add display

* remove old poll-log, add redirect

* Handle undefined data in graphs

* Standard pollers

* Change doc to send to the global poller module page.

* remove test code :)

* Link parent menu
This commit is contained in:
Tony Murray
2018-10-26 15:04:30 -05:00
committed by Neil Lathwood
parent 03e8bd743e
commit 0ec8f18459
14 changed files with 290 additions and 76 deletions
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72
html/includes/graphs/global/poller_modules_perf.inc.php Normal file
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<?php
/**
* poller_modules_perf.inc.php
*
* -Description-
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @package LibreNMS
* @link http://librenms.org
* @copyright 2018 Tony Murray
* @author Tony Murray <murraytony@gmail.com>
*/
use App\Models\Device;
use LibreNMS\Config;
$scale_min = '0';
$colors = Config::get('graph_colours.manycolours');
require 'includes/graphs/common.inc.php';
$hostnames = Device::pluck('hostname');
$modules = array_keys(Config::get('poller_modules'));
sort($modules);
foreach ($modules as $module_index => $module) {
$cdef = [];
$suffix = '';
foreach ($hostnames as $index => $hostname) {
$rrd_filename = rrd_name($hostname, ['poller-perf', $module]);
if (rrdtool_check_rrd_exists($rrd_filename)) {
$rrd_options .= " DEF:{$module}Raw$index=$rrd_filename:poller:AVERAGE";
// change undefined to 0
$rrd_options .= " CDEF:$module$index={$module}Raw$index,UN,0,{$module}Raw$index,IF";
$cdef[] = $module . $index . $suffix;
$suffix = ',+';
}
}
if (empty($cdef)) {
//remove the module so we don't print it in the legend
unset($modules[$module_index]);
} else {
// have data for this module, display it
$rrd_options .= " CDEF:$module=" . implode(',', $cdef);
}
}
$rrd_options .= " 'COMMENT:Seconds Cur Min Max Avg\\n'";
foreach ($modules as $index => $module) {
$color = $colors[$index % count($colors)];
$rrd_options .= " AREA:$module#$color:'" . rrdtool_escape($module, 16) ."':STACK";
$rrd_options .= " GPRINT:$module:LAST:%6.2lf GPRINT:$module:MIN:%6.2lf";
$rrd_options .= " GPRINT:$module:MAX:%6.2lf 'GPRINT:$module:AVERAGE:%6.2lf\\n'";
}