Added session graphs for Barracuda NGFW (#10102)

* devices: Corrected discovery object ID for Barracuda NGFW; Added fw session graphs
* device: Added test data

includes/definitions.inc.php

@@ -79,6 +79,12 @@ $config['graph_types']['device']['siklu_rfinterfaceOtherOctets']['section'] = 'w
 $config['graph_types']['device']['siklu_rfinterfaceOtherOctets']['order'] = '6';
 $config['graph_types']['device']['siklu_rfinterfaceOtherOctets']['descr'] = 'Other Octets';
 
+// Barracuda Firewall support
+$config['graph_types']['device']['barracuda_firewall_sessions']['section'] = 'firewall';
+$config['graph_types']['device']['barracuda_firewall_sessions']['order'] = 0;
+$config['graph_types']['device']['barracuda_firewall_sessions']['descr'] = 'Active Sessions';
+
+
 // Ceragon Ceraos support
 $config['graph_types']['device']['ceraos_RxLevel']['section'] = 'wireless';
 $config['graph_types']['device']['ceraos_RxLevel']['order'] = '0';

includes/definitions/barracudangfirewall.yaml

@@ -3,8 +3,14 @@ text: 'Barracuda NG Firewall'
 type: firewall
 icon: barracuda
 over:
-    - { graph: device_bits, text: Traffic }
+    - { graph: device_bits, text: 'Device Traffic' }
+    - { graph: device_processor, text: 'CPU Usage' }
+    - { graph: device_mempool, text: 'Memory Usage' }
 discovery:
+    - sysObjectID:
+        - .1.3.6.1.4.1.10704.1
     - sysDescr:
         - Barracuda Firewall
         - Barracuda NG Firewall
+mib_dir:
+    - barracuda

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

@@ -0,0 +1,19 @@
+<?php
+
+$rrd_filename = rrd_name($device['hostname'], 'barracuda_firewall_sessions');
+
+require 'includes/html/graphs/common.inc.php';
+
+$ds = 'fw_sessions';
+
+$colour_area = '9999cc';
+$colour_line = '0000cc';
+
+$colour_area_max = '9999cc';
+
+#$graph_max = 1;
+$graph_min = 0;
+
+$unit_text = 'Sessions';
+
+require 'includes/html/graphs/generic_simplex.inc.php';

includes/polling/os/barracudangfirewall.inc.php

@@ -10,6 +10,22 @@
  * the source code distribution for details.
  */
 
+use LibreNMS\RRD\RrdDefinition;
+
 if ($device['sysObjectID'] == '.1.3.6.1.4.1.10704.1.10') {
     $hardware = $device['sysName'];
 }
+
+$sessions = snmp_get($device, 'firewallSessions64.8.102.119.83.116.97.116.115.0', '-OQv', 'PHION-MIB');
+
+if (is_numeric($sessions)) {
+    $rrd_def = RrdDefinition::make()->addDataset('fw_sessions', 'GAUGE', 0);
+
+    $fields = array(
+        'fw_sessions' => $sessions
+    );
+
+    $tags = compact('rrd_def');
+    data_update($device, 'barracuda_firewall_sessions', $tags, $fields);
+    $graphs['barracuda_firewall_sessions'] = true;
+}