Add CISCO-IF-EXTENSION port stats for IOS/IOS-XE (#10644)

* Add CISCO-IF-EXTENSION polling and graph

* Added test data

* Code style

* Move CISCO-IF-EXTENSION-MIB to cisco mib dir

* Test data?

* Recollect test data again

* ios-xe variant 'ports' with ports test data

* Removed unnecessary test data

includes/html/graphs/port/cie.inc.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * 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.
+ *
+ * @package    LibreNMS
+ * @subpackage webui
+ * @link       http://librenms.org
+ * @copyright  2019 LibreNMS
+ * @author     Pavle Obradovic <pobradovic08@gmail.com>
+ */
+
+$cisco_if_extension_ds = array(
+    'InRuntsErrs' => 'In Runts',
+    'InGiantsErrs' => 'In Giants',
+    'InFramingErrs' => 'In Framing err',
+    'InOverrunErrs' => 'In Overruns',
+    'InIgnored' => 'In Ignored',
+    'InAbortErrs' => 'In Aborts',
+    'InputQueueDrops' => 'In Queue drops',
+    'OutputQueueDrops' => 'Out Queue drops'
+);
+
+$i = 0;
+$rrd_filename = get_port_rrdfile_path($device['hostname'], $port['port_id'], 'cie');
+
+if (rrdtool_check_rrd_exists($rrd_filename)) {
+    foreach ($cisco_if_extension_ds as $ds => $descr) {
+        $rrd_list[$i]['filename'] = $rrd_filename;
+        $rrd_list[$i]['descr']    = $descr;
+        $rrd_list[$i]['ds']       = $ds;
+        $i++;
+    }
+}
+
+$colours    = 'mixed';
+$nototal    = 1;
+$unit_text  = 'Errors/sec';
+$simple_rrd = 1;
+
+require 'includes/html/graphs/generic_multi_simplex_seperated.inc.php';

includes/html/pages/device/port/graphs.inc.php

@@ -66,4 +66,20 @@ if (rrdtool_check_rrd_exists(get_port_rrdfile_path($device['hostname'], $port['p
             include 'includes/html/print-interface-graphs.inc.php';
         echo '</div></div>';
     }
+
+    /*
+     *  CISCO-IF-EXTENSION MIB statistics
+     *  Additional information about input and output errors as seen in `show interface` output.
+     */
+    if (rrdtool_check_rrd_exists(get_port_rrdfile_path($device['hostname'], $port['port_id'], 'cie'))) {
+        echo '<div class="panel panel-default">
+            <div class="panel-heading">
+                <h3 class="panel-title">Detailed interface errors</h3>
+            </div>';
+        $graph_type = 'port_cie';
+
+        echo '<div class="panel-body">';
+        include 'includes/html/print-interface-graphs.inc.php';
+        echo '</div></div>';
+    }
 }

includes/polling/ports.inc.php

@@ -81,6 +81,20 @@ $cisco_oids = array(
     'locIfOutputQueueDrops',
 );
 
+/*
+ * CISCO-IF-EXTENSION MIB
+ */
+$cisco_if_extension_oids = array(
+    'cieIfInRuntsErrs',
+    'cieIfInGiantsErrs',
+    'cieIfInFramingErrs',
+    'cieIfInOverrunErrs',
+    'cieIfInIgnored',
+    'cieIfInAbortErrs',
+    'cieIfInputQueueDrops',
+    'cieIfOutputQueueDrops'
+);
+
 $pagp_oids = array(
     'pagpOperationMode',
 );
@@ -417,6 +431,16 @@ if ($device['os_group'] == 'cisco' && $device['os'] != 'asa') {
     $port_stats = snmpwalk_cache_oid($device, 'vlanTrunkPortNativeVlan', $port_stats, 'CISCO-VTP-MIB');
 }//end if
 
+/*
+ *  Most (all) of the IOS/IOS-XE devices support CISCO-IF-EXTENSION MIB that provides
+ *  additional informationa bout input and output errors as seen in `show interface` output.
+ */
+if ($device['os'] == 'ios' || $device['os'] == 'iosxe') {
+    foreach ($cisco_if_extension_oids as $oid) {
+        $port_stats = snmpwalk_cache_oid($device, $oid, $port_stats, 'CISCO-IF-EXTENSION-MIB');
+    }
+}
+
 $polled = time();
 
 // End Building SNMP Cache Array
@@ -898,6 +922,10 @@ foreach ($ports as $port) {
             if (Config::get('enable_ports_poe')) {
                 include 'ports/port-poe.inc.php';
             }
+
+            if ($device['os'] == 'ios' || $device['os'] == 'iosxe') {
+                include 'ports/cisco-if-extension.inc.php';
+            }
         }
 
         foreach ($port['update'] as $key => $val_check) {

includes/polling/ports/cisco-if-extension.inc.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * 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.
+ *
+ * @package    LibreNMS
+ * @subpackage polling
+ * @link       http://librenms.org
+ * @copyright  2019 LibreNMS
+ * @author     Pavle Obradovic <pobradovic08@gmail.com>
+ */
+
+use LibreNMS\RRD\RrdDefinition;
+
+/*
+ * Check if port has one of the counters ('cieIfInRuntsErrs') from CISCO-IF-EXTENSION MIB
+ */
+if (isset($this_port['cieIfInRuntsErrs'])) {
+    /*
+     * Build interface RRD with filename in format of:
+     * port-id<ifIndex>-cie.rrd
+     */
+    $rrd_name = getPortRrdName($port_id, 'cie');
+    $rrdfile = rrd_name($device['hostname'], $rrd_name);
+    $rrd_def = RrdDefinition::make()
+        ->addDataset('InRuntsErrs', 'DERIVE', 0)
+        ->addDataset('InGiantsErrs', 'DERIVE', 0)
+        ->addDataset('InFramingErrs', 'DERIVE', 0)
+        ->addDataset('InOverrunErrs', 'DERIVE', 0)
+        ->addDataset('InIgnored', 'DERIVE', 0)
+        ->addDataset('InAbortErrs', 'DERIVE', 0)
+        ->addDataset('InputQueueDrops', 'DERIVE', 0)
+        ->addDataset('OutputQueueDrops', 'DERIVE', 0);
+
+    /*
+     * Populate data for RRD
+     */
+    $rrd_data = array();
+    foreach ($cisco_if_extension_oids as $oid) {
+        $ds_name = str_replace('cieIf', '', $oid);
+        $rrd_data[$ds_name] = $this_port[$oid];
+    }
+
+    /*
+     * Generate/update RRD
+     */
+    $ifName = $port['ifName'];
+    $tags = compact('ifName', 'rrd_name', 'rrd_def');
+    rrdtool_data_update($device, 'drops', $tags, $rrd_data);
+}