Show loaded modules in the about page

refs #9381

application/controllers/AboutController.php

@@ -5,11 +5,13 @@ namespace Icinga\Controllers;
 
 use Icinga\Application\Version;
 use Icinga\Web\Controller\ActionController;
+use Icinga\Application\Icinga;
 
 class AboutController extends ActionController
 {
     public function indexAction()
     {
         $this->view->version = Version::get();
+        $this->view->modules = Icinga::app()->getModuleManager()->getLoadedModules();
     }
 }

application/views/scripts/about/index.phtml

@@ -22,4 +22,29 @@
             : '<p>' . nl2br(implode("\n", $versionInfo), false)
     ) . '</p>';
     ?>
+    <h1><?= $this->translate('Loaded modules') ?></h1>
+    <table class="action alternating" data-base-target="_next">
+      <thead>
+        <tr>
+          <th><?= $this->translate('Name') ?></th>
+          <th><?= $this->translate('Version') ?></th>
+        </tr>
+      </thead>
+      <tbody>
+      <?php
+      foreach ($modules as $module) {
+        $name = $module->getName();
+      ?>
+        <tr>
+          <td><?= $this->qlink(
+            $name,
+            'config/module/',
+            array('name' => $name),
+            array('title' => sprintf($this->translate('Show the overview of the %s module'), $name))
+          ) ?></td>
+          <td><?= $module->getVersion() ?></td>
+        </tr>
+      <?php } ?>
+      </tbody>
+    </table>
 </div>