Add agent to check installed client version

web/app/Sensor/ClientVersion.php

+<?php
+
+namespace App\Sensor;
+
+/**
+ * Description of Reboot
+ *
+ * @author tibo
+ */
+class ClientVersion extends \App\AbstractSensor {
+
+    public function latestVersion() {
+        return json_decode(file_get_contents("https://gitlab.cylab.be/cylab/monitoring/raw/master/php-client/release/manifest.json"))[0]->version;
+    }
+
+    //put your code here
+    public function report() {
+        return "<p>Installed version: " . $this->getServer()->clientVersion() . "</p>"
+        . "<p>Latest client version: " . $this->latestVersion() . "</p>";
+    }
+
+    public function status() {
+        return self::STATUS_OK;
+    }
+}

web/app/Server.php

@@ -15,7 +15,8 @@ class Server extends Model
         \App\Sensor\Updates::class,
         \App\Sensor\Disks::class,
         \App\Sensor\Inodes::class,
-        \App\Sensor\Date::class
+        \App\Sensor\Date::class,
+        \App\Sensor\ClientVersion::class
     ];
 
     public function __construct(array $attributes = array()) {

web/tests/Unit/ExampleTest.php

@@ -72,7 +72,12 @@ tmpfs             2451716       0    2451716   0% /run/user/1000";
         $cpuinfo = $server->parseCpuinfo($string);
         $this->assertEquals(8, $cpuinfo["threads"]);
         $this->assertEquals("Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz", $cpuinfo["cpu"]);
+    }
 
+    public function testClientVersion() {
+        $server = new \App\Server();
+        $client_version = new \App\Sensor\ClientVersion($server);
+        $this->assertStringMatchesFormat('%f', $client_version->latestVersion());
     }