Add the option to group Raspberry Pi GPIO (librenms#19513)

* Add group option

* fallback to null if key not exists

Author: mpikzink

includes/discovery/sensors/rpigpiomonitor.inc.php

@@ -45,6 +45,7 @@
                         $sensor_data['low_warn_limit'] = $sensor_data_parts[4];
                         $sensor_data['warn_limit'] = $sensor_data_parts[5];
                         $sensor_data['high_limit'] = $sensor_data_parts[6];
+                        $sensor_data['group'] = $sensor_data_parts[7] ?? null;
                     }
                 } else {
                     if (isset($sensor_data_parts[0]) && isset($sensor_data_parts[1]) && isset($sensor_data_parts[2])) {
@@ -73,7 +74,7 @@
                 create_state_index($sensor_data['name'], $sensor_data['state_data']);
             }
 
-            discover_sensor(null, $sensor_data['type'], $device, $sensor_data['oid'], $sensor_id, $sensor_data['name'], $sensor_data['descr'], 1, 1, $sensor_data['low_limit'], $sensor_data['low_warn_limit'], $sensor_data['warn_limit'], $sensor_data['high_limit'], $sensor_data['value']);
+            discover_sensor(null, $sensor_data['type'], $device, $sensor_data['oid'], $sensor_id, $sensor_data['name'], $sensor_data['descr'], 1, 1, $sensor_data['low_limit'], $sensor_data['low_warn_limit'], $sensor_data['warn_limit'], $sensor_data['high_limit'], $sensor_data['value'], 'snmp', null, null, null, $sensor_data['group']);
         } else {
             echo "[rpigpiomonitor] An error occurred while reading a sensor! Please run 'rpigpiomonitor.php -validate' on the target device to verify the configuration.\n";
         }