Merge pull request #268 from laf/issue-laf-32

Added support for Cisco ASA Connection graphs

html/includes/graphs/device/asa_conns.inc.php

@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * LibreNMS
+ *
+ * Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ fua http://www.lathwood.co.uk>
+ *
+ * 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.
+*/
+
+$scale_min = "0";
+
+include("includes/graphs/common.inc.php");
+
+$rrd_filename = $config['rrd_dir'] . "/" . $device['hostname'] . "/asa_conns.rrd";
+
+$rrd_options .= " DEF:connections=$rrd_filename:connections:AVERAGE";
+$rrd_options .= " DEF:connections_max=$rrd_filename:connections:MAX";
+$rrd_options .= " DEF:connections_min=$rrd_filename:connections:MIN";
+$rrd_options .= " AREA:connections_min";
+
+$rrd_options .= " LINE1.5:connections#cc0000:'" . rrdtool_escape('Current connections')."'";
+$rrd_options .= " GPRINT:connections_min:MIN:%4.0lf";
+$rrd_options .= " GPRINT:connections:LAST:%4.0lf";
+$rrd_options .= " GPRINT:connections_max:MAX:%4.0lf\\\\l";
+
+
+?>

includes/defaults.inc.php

@@ -529,6 +529,7 @@
 $config['poller_modules']['aruba-controller']             = 1;
 $config['poller_modules']['entity-physical']              = 1;
 $config['poller_modules']['applications']                 = 1;
+$config['poller_modules']['cisco-asa-firewall']           = 1;
 
 // List of discovery modules. Need to be in this array to be
 // considered for execution.

includes/definitions.inc.php

@@ -1079,6 +1079,10 @@
 $config['graph_types']['device']['netscaler_tcp_pkts']['order'] = '0';
 $config['graph_types']['device']['netscaler_tcp_pkts']['descr'] = 'TCP Packets';
 
+$config['graph_types']['device']['asa_conns']['section'] = 'firewall';
+$config['graph_types']['device']['asa_conns']['order'] = '0';
+$config['graph_types']['device']['asa_conns']['descr'] = 'Current connections';
+
 $config['graph_descr']['device_smokeping_in_all'] = "This is an aggregate graph of the incoming smokeping tests to this host. The line corresponds to the average RTT. The shaded area around each line denotes the standard deviation.";
 $config['graph_descr']['device_processor']        = "This is an aggregate graph of all processors in the system.";
 

includes/functions.php

@@ -239,7 +239,7 @@ function delete_device($id)
   dbDelete('devices', "`device_id` =  ?", array($id));
 
   $device_tables = array('entPhysical', 'devices_attribs', 'devices_perms', 'bgpPeers', 'vlans', 'vrfs', 'storage', 'alerts', 'eventlog',
-                         'syslog', 'ports', 'services', 'toner', 'frequency', 'current', 'sensors');
+                         'syslog', 'ports', 'services', 'toner', 'frequency', 'current', 'sensors','ciscoASA');
 
   foreach ($device_tables as $table)
   {

includes/polling/cisco-asa-firewall.inc.php

@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * LibreNMS
+ *
+ * Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ fua http://www.lathwood.co.uk>
+ *
+ * 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.
+*/
+
+if($device['os_group'] == "cisco" && $device['os'] == "asa" && $device['type'] == "firewall")
+{
+
+  $oid_list = "cfwConnectionStatValue.protoIp.currentInUse";
+  $temp_data = snmpwalk_cache_double_oid($device, $oid_list, array(), "CISCO-FIREWALL-MIB");
+  foreach ($temp_data as $oid => $result)
+  {
+    $oid = substr(strchr($oid, '.'),1);
+    $data[$oid]['data'] = $result['cfwConnectionStatValue'];
+    $asa_db = dbFetchCell("SELECT `ciscoASA_id` FROM `ciscoASA` WHERE `device_id` = ? AND `oid` = ?", array($device['device_id'],$oid));
+    if(!is_numeric($asa_db))
+    {
+      $asa_db = dbInsert(array('device_id' => $device['device_id'], 'oid' => $oid, 'data' => $result['cfwConnectionStatValue']), 'ciscoASA');
+    }
+    else
+    {
+      $asa_db = dbUpdate(array('data' => $result['cfwConnectionStatValue']), 'ciscoASA', 'device_id=?',array($device['device_id']));
+    }
+    $data[$oid]['db_id'] = $asa_db;
+  }
+
+  $rrd_filename = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("asa_conns.rrd");
+
+  $rrd_create .= " DS:connections:GAUGE:600:0:U";
+  $rrd_create .= $config['rrd_rra'];
+
+  if(is_file($rrd_filename) || $data['currentInUse'])
+  {
+    if (!file_exists($rrd_filename))
+    {
+      rrdtool_create($rrd_filename, $rrd_create);
+    }
+
+    $rrd_update = "N";
+    $rrd_update .= ":".$data['currentInUse']['data'];
+
+    rrdtool_update($rrd_filename, $rrd_update);
+    $graphs['asa_conns'] = TRUE;
+    echo(" ASA Connections");
+  }
+  unset($data,$rrd_filename,$rrd_create,$rrd_update);
+}
+
+?>

sql-schema/032.sql

@@ -0,0 +1,2 @@
+CREATE TABLE IF NOT EXISTS `ciscoASA` (  `ciscoASA_id` int(11) NOT NULL AUTO_INCREMENT, `device_id` int(11) NOT NULL, `oid` varchar(255) NOT NULL, `data` bigint(20) NOT NULL, `high_alert` bigint(20) NOT NULL, `low_alert` bigint(20) NOT NULL, `disabled` tinyint(4) NOT NULL DEFAULT '0', PRIMARY KEY (`ciscoASA_id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;
+INSERT INTO `graph_types` SET `graph_type`='device', `graph_subtype`='asa_conns',`graph_section`='firewall',`graph_descr`='Current connections',`graph_order`='0';