Add OPNsense support (#8199)

* Add OPNsense support

* Add OPNsense support (#8196)

* Revert unix.inc.php, move polling to opnsense.inc.php

* Revert unix.inc.php

* Update opnsense.inc.php

includes/definitions/opnsense.yaml

@@ -0,0 +1,11 @@
+os: opnsense
+type: firewall
+group: unix
+text: OPNsense
+processor_stacked: 1
+over:
+    - { graph: device_processor, text: 'Processor Usage' }
+    - { graph: device_ucd_memory, text: 'Memory Usage' }
+discovery:
+    - sysDescr:
+        - OPNsense

includes/polling/os/opnsense.inc.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * opnsense.inc.php
+ *
+ * LibreNMS os polling module for OPNsense firewall
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package    LibreNMS
+ * @link       http://librenms.org
+ * @copyright  2018 Ben Gibbons
+ * @author     Ben Gibbons <axemann@gmail.com>
+ */
+
+$output = preg_split("/ /", $device['sysDescr']);
+$version = $output[2];
+$hardware = $output[6];

tests/snmpsim/opnsense.snmprec

@@ -0,0 +1,2 @@
+1.3.6.1.2.1.1.1.0|4|OPNsense OPNsense.7p.lan 18.1.1-a5575d7bd OPNsense FreeBSD 11.1-RELEASE-p6 amd64
+1.3.6.1.2.1.1.2.0|6|1.3.6.1.4.1.12325.1.1.2.1.1