Reintroduce permission to control the appearance of the Grafana link (#48)

* Reintroduce permission to control the appearance of the Grafana link

Author: martialblog

configuration.php

@@ -9,6 +9,7 @@
 $this->providePermission('grafana/graph', $this->translate('Allow to view graphs in dashboards.'));
 $this->providePermission('grafana/debug', $this->translate('Allow to see debug information for graphs.'));
 $this->providePermission('grafana/showall', $this->translate('Allow access to see all graphs of a host.'));
+$this->providePermission('grafana/showlink', $this->translate('Display a link to the Grafana instance.'));
 
 $this->provideConfigTab('config', [
     'title' => 'Configuration',

doc/01-about.md

@@ -18,6 +18,7 @@ The module provides the following permissions:
 * `grafana/graphconfig`, Allow to configure graphs.
 * `grafana/graph`, Allow to view graphs in dashboards.
 * `grafana/showall`, Allow access to see all graphs of a host.
+* `grafana/showlink` Display a link to the Grafana instance.
 * `grafana/debug` Allow to see debug information for graphs (can be accessed via the URL parameter `&grafanaDebug`).
 
 ## Show all graphs

library/Grafana/ProvidedHook/Icingadb/IcingaDbGrapher.php

@@ -434,14 +434,16 @@ public function getPreviewHtml(Model $object, $report = false)
         );
 
         // Add a link to Grafana in the title
-        $this->title->add(new Link(
-            new Icon(
-                'arrow-up-right-from-square',
-                ['title' => 'View in Grafana']
-            ),
-            str_replace('/d-solo/', '/d/', $url),
-            ['target' => '_blank', 'class' => 'external-link']
-        ));
+        if ($this->permission->hasPermission('grafana/showlink')) {
+            $this->title->add(new Link(
+                new Icon(
+                    'arrow-up-right-from-square',
+                    ['title' => 'View in Grafana']
+                ),
+                str_replace('/d-solo/', '/d/', $url),
+                ['target' => '_blank', 'class' => 'external-link']
+            ));
+        }
 
         // Hide menu if in reporting or compact mode
         $menu = "";