Add support for Cisco's AsyncOS

includes/definitions/asyncos.yaml

@@ -0,0 +1,25 @@
+os: asyncos
+text: 'Cisco AsyncOS'
+type: proxy
+icon: cisco
+over:
+    - { graph: device_bits, text: Traffic }
+    - { graph: device_processor, text: 'CPU Usage' }
+    - { graph: device_mempool, text: 'Memory Usage' }
+discovery:
+    - sysObjectId:
+        - .1.3.6.1.4.1.15497.1
+mib_dir:
+    - cisco
+poller_modules:
+    ipmi: 0
+    bgp-peers: 0
+    ospf: 0
+    stp: 0
+    ntp: 0
+discovery_modules:
+    ports-stack: 0
+    cisco-vrf-lite: 0
+    bgp-peers: 0
+    stp: 0
+    ntp: 0

includes/polling/os/asyncos.inc.php

@@ -0,0 +1,22 @@
+<?php
+/*
+ * LibreNMS Cisco AsyncOS information module
+ *
+ * Copyright (c) 2017 Mike Williams <mike@mgww.net>
+ * 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.
+ */
+
+list($hardware,$version,,$serial) = explode(',', $device['sysDescr']);
+
+preg_match('/\w[\d]+\w?/', $hardware, $regexp_results);
+$hardware = $regexp_results[0];
+
+preg_match('/[\d\.-]+/', $version, $regexp_results);
+$version = $regexp_results[0];
+
+preg_match('/[[\w]+-[\w]+/', $serial, $regexp_results);
+$serial = $regexp_results[0];