Release v3.0.1

CHANGELOG.md

@@ -1,4 +1,12 @@
 # Change Log
+## [v3.0.1](https://github.com/NETWAYS/icingaweb2-module-grafana/tree/v3.0.0) (2025-02-03)
+
+**Fixes**
+- Fix debugTable creation in iframe mode
+- Add type check to substr_count to avoid deprecation warning
+- Reintroduce permission to control the appearance of the Grafana link
+- Add small Link to panel
+
 ## [v3.0.0](https://github.com/NETWAYS/icingaweb2-module-grafana/tree/v3.0.0) (2024-12-10)
 
 **BREAKING CHANGES:**
@@ -17,7 +25,7 @@ It now uses the check interval to determine how long a graph's image is cached.
 - PHP 8.2 and PHP 8.3 Support
 - Support strict CSP
 - Dark/Light Theme depending on user's settings (removed the `theme` configuration option)
-- Debug information can be requested via the `debugGrafana` URL parameter (removed the `debug` configuration option)
+- Debug information can be requested via the `grafanaDebug` URL parameter (removed the `debug` configuration option)
 
 **Fixes**
 - Use of special characters in custom variables now works

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

doc/03-module-configuration.md

@@ -40,6 +40,8 @@ ssl_verifypeer = "0"
 ssl_verifyhost = "0"
 ```
 
+Hint: to display debug information for graphs you can use the URL parameter `&grafanaDebug`. This requires the `grafana/debug` permission.
+
 ## Available Options
 
 |Setting                | Short description|

library/Grafana/ProvidedHook/Icingadb/IcingaDbGrapher.php

@@ -377,8 +377,7 @@ public function getPreviewHtml(Model $object, $report = false)
         }
 
         if ($this->repeatable === "yes") {
-            $panelEnd =  ($this->panelId - 1) +
-                intval(substr_count($object->state->performance_data, '=') / $this->numberMetrics);
+            $panelEnd =  ($this->panelId - 1) + intval(substr_count(strval($object->state->performance_data), '=') / $this->numberMetrics);
             $this->panelId = implode(
                 ',',
                 range($this->panelId, $panelEnd)
@@ -435,14 +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 = "";
@@ -463,6 +464,16 @@ public function getPreviewHtml(Model $object, $report = false)
             $res = $this->getMyPreviewHtml($serviceName, $hostName, $previewHtml);
 
             if ($res) {
+                // Add Link to Panel if the user has the permission
+                if ($this->permission->hasPermission('grafana/showlink')) {
+                    $linkUrl = $url;
+                    $linkUrl = preg_replace('/(viewPanel=)[^&]+/', '${1}' . $panelid, $linkUrl);
+                    $textLink = new Link('View in Grafana', $linkUrl, ['target' => '_blank', 'class' => 'external-link']);
+                    $html->add($textLink);
+                    $iconLink = new Link(new Icon('arrow-up-right-from-square', ['title' => 'View in Grafana']), $linkUrl, ['target' => '_blank', 'class' => 'external-link']);
+                    $html->add($iconLink);
+                }
+
                 $html->addHtml($previewHtml);
             }
 
@@ -472,7 +483,7 @@ public function getPreviewHtml(Model $object, $report = false)
         // Add a data table with runtime information and configuration for debugging purposes
         if (Url::fromRequest()->hasParam('grafanaDebug') && $this->permission->hasPermission('grafana/debug') && $report === false) {
             $returnHtml->addHtml(HtmlElement::create('h2', null, 'Performance Graph Debug'));
-            $returnHtml->add($this->createDebugTable());
+            $returnHtml->add($this->createDebugTable($previewHtml));
         }
 
         $htmlForObject = HtmlElement::create("div", ["class" => "icinga-module module-grafana"]);
@@ -486,15 +497,12 @@ public function getPreviewHtml(Model $object, $report = false)
     /**
      * createDebugTable creates a data table with runtime information and configuration for debugging purposes
      */
-    private function createDebugTable()
+    private function createDebugTable($previewHtml)
     {
-        if ($this->accessMode === 'indirectproxy') {
-            $usedUrl = $this->pngUrl;
-        } else {
-            $usedUrl = preg_replace('/.*?src\s*=\s*[\'\"](.*?)[\'\"].*/', "$1", $previewHtml);
-        }
+        $usedUrl = $this->pngUrl;
 
         if ($this->accessMode === 'iframe') {
+            $usedUrl = preg_replace('/.*?src\s*=\s*[\'\"](.*?)[\'\"].*/', "$1", $previewHtml);
             $this->height = '100%';
         }
 

module.info

@@ -1,5 +1,5 @@
 Name: Grafana
-Version: 3.0.0
+Version: 3.0.1
 Requires:
   Libraries: icinga-php-library (>=0.10.1)
   Modules: icingadb (>=1.0.0)