82 lines
3.4 KiB
PHP
82 lines
3.4 KiB
PHP
<?php
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/*
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* LibreNMS module to capture statistics from the CISCO-NTP-MIB
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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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use LibreNMS\RRD\RrdDefinition;
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$tmp_module = 'ntp';
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$component = new LibreNMS\Component();
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$options = array();
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$options['filter']['type'] = array('=',$tmp_module);
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$options['filter']['disabled'] = array('=',0);
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$options['filter']['ignore'] = array('=',0);
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$components = $component->getComponents($device['device_id'], $options);
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// We only care about our device id.
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$components = $components[$device['device_id']];
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// Only collect SNMP data if we have enabled components
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if (is_array($components) && count($components) > 0) {
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// Let's gather the stats..
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$cntpPeersVarEntry = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.168.1.2.1.1', 2);
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// Loop through the components and extract the data.
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foreach ($components as $key => &$array) {
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$peer = $array['peer'];
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// Let's make sure the rrd is setup for this class.
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$rrd_name = array('ntp', $peer);
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$rrd_def = RrdDefinition::make()
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->addDataset('stratum', 'GAUGE', 0)
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->addDataset('offset', 'GAUGE', 0)
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->addDataset('delay', 'GAUGE', 0)
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->addDataset('dispersion', 'GAUGE', 0);
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$array['stratum'] = $cntpPeersVarEntry['1.3.6.1.4.1.9.9.168.1.2.1.1'][9][$array['UID']];
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// Set the status, 16 = Bad
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if ($array['stratum'] == 16) {
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$array['status'] = 2;
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$array['error'] = 'NTP is not in sync';
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} else {
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$array['status'] = 0;
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$array['error'] = '';
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}
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// Extract the statistics and update rrd
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$rrd['stratum'] = $array['stratum'];
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$rrd['offset'] = hexdec($cntpPeersVarEntry['1.3.6.1.4.1.9.9.168.1.2.1.1'][23][$array['UID']]);
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$rrd['delay'] = hexdec($cntpPeersVarEntry['1.3.6.1.4.1.9.9.168.1.2.1.1'][24][$array['UID']]);
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$rrd['dispersion'] = hexdec($cntpPeersVarEntry['1.3.6.1.4.1.9.9.168.1.2.1.1'][25][$array['UID']]);
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$tags = compact('ntp', 'rrd_name', 'rrd_def', 'peer');
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data_update($device, 'ntp', $tags, $rrd);
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// Let's print some debugging info.
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d_echo("\n\nComponent: ".$key."\n");
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d_echo(" Index: ".$array['UID']."\n");
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d_echo(" Peer: ".$array['peer'].":".$array['port']."\n");
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d_echo(" Stratum: 1.3.6.1.4.1.9.9.168.1.2.1.1.9.".$array['UID']." = ".$rrd['stratum']."\n");
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d_echo(" Offset: 1.3.6.1.4.1.9.9.168.1.2.1.1.23.".$array['UID']." = ".$rrd['offset']."\n");
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d_echo(" Delay: 1.3.6.1.4.1.9.9.168.1.2.1.1.24.".$array['UID']." = ".$rrd['delay']."\n");
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d_echo(" Dispersion: 1.3.6.1.4.1.9.9.168.1.2.1.1.25.".$array['UID']." = ".$rrd['dispersion']."\n");
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// Clean-up after yourself!
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unset($filename, $rrd_filename, $rrd);
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} // End foreach components
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// Write the Components back to the DB.
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$component->setComponentPrefs($device['device_id'], $components);
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} // end if count components
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// Clean-up after yourself!
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unset($type, $components, $component, $options, $tmp_module);
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