use autodiscovery for sensors

app/SensorHandler.php

+<?php
+
+namespace App;
+
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\LazyCollection;
+use Symfony\Component\Finder\SplFileInfo;
+
+/**
+ * Implements sensor auto discovery and registration.
+ *
+ * Implements singleton pattern.
+ *
+ * @author tibo
+ */
+class SensorHandler
+{
+    private array $sensors;
+    
+    private function __construct()
+    {
+        $this->sensors = $this->autodiscover();
+    }
+    
+    private static $instance;
+    
+    public static function get() : SensorHandler
+    {
+        if (self::$instance == null) {
+            self::$instance = new self();
+        }
+        
+        return self::$instance;
+    }
+    
+    public function sensors() : array
+    {
+        return $this->sensors;
+    }
+    
+    public function autodiscover() : array
+    {
+        $ROOT = __DIR__ . "/Sensor/";
+        return LazyCollection::make(File::allFiles($ROOT))->map(function (SplFileInfo $file) {
+            
+            $interface_name = "\App\Sensor";
+            $class_name = '\App\Sensor\\' . $file->getFilenameWithoutExtension();
+            if (!is_a($class_name, $interface_name, true)) {
+                return;
+            }
+            
+            return new $class_name;
+        })->filter()->toArray();
+    }
+}

app/Server.php

@@ -76,25 +76,6 @@ class Server extends Model
     private $records_1day = null;
     private $info = null;
 
-    private static $sensors = [
-        \App\Sensor\LoadAvg::class,
-        \App\Sensor\MemInfo::class,
-        \App\Sensor\Ifconfig::class,
-        \App\Sensor\Netstat::class,
-        \App\Sensor\ListeningPorts::class,
-        \App\Sensor\Reboot::class,
-        \App\Sensor\Updates::class,
-        \App\Sensor\Disks::class,
-        \App\Sensor\Inodes::class,
-        \App\Sensor\Ssacli::class,
-        \App\Sensor\Perccli::class,
-        \App\Sensor\Date::class,
-        \App\Sensor\ClientVersion::class,
-        \App\Sensor\Heartbeat::class,
-        \App\Sensor\CPUtemperature::class,
-        \App\Sensor\USBtemperature::class
-    ];
-
     public function __construct(array $attributes = array())
     {
         $attributes["token"] = str_random(32);
@@ -110,6 +91,11 @@ class Server extends Model
     {
         return $this->hasMany(Record::class);
     }
+    
+    public function sensors() : array
+    {
+        return SensorHandler::get()->sensors();
+    }
 
     public function lastRecord() : ?Record
     {
@@ -179,13 +165,13 @@ class Server extends Model
             $serverinfo = $this->info();
 
             $this->reports = [];
-            foreach (self::$sensors as $sensor) {
+            foreach ($this->sensors() as $sensor) {
                 try {
-                     $report = (new $sensor)->analyze($records, $serverinfo);
+                     $report = $sensor->analyze($records, $serverinfo);
                      $this->reports[] = $report;
                 } catch (\Throwable $ex) {
                     Log::error('Sensor failed : ' . $ex->getTraceAsString());
-                    $report = new Report($sensor, Status::unknown());
+                    $report = new Report(get_class($sensor), Status::unknown());
                     $report->setHTML("<p>Agent crashed...</p>");
                     $this->reports[] = $report;
                 }

tests/Unit/SensorManagementTest.php

+<?php
+
+namespace Tests\Unit;
+
+use App\SensorHandler;
+
+use Tests\TestCase;
+
+/**
+ * Description of SensorManagementTest
+ *
+ * @group sensor-manager
+ * @author tibo
+ */
+class SensorManagementTest extends TestCase
+{
+    public function testAutodiscover()
+    {
+        $manager = SensorHandler::get();
+        var_dump($manager->autodiscover());
+    }
+}