From 9876a53f8e6c56b475df4c930e95d6c26d5c7b3c Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@netways.de>
Date: Mon, 15 Jun 2015 16:53:13 +0200
Subject: [PATCH] DataView\Eventgrid: Allow to filter for custom variables

refs #9009
---
 .../library/Monitoring/DataView/Eventgrid.php        | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/modules/monitoring/library/Monitoring/DataView/Eventgrid.php b/modules/monitoring/library/Monitoring/DataView/Eventgrid.php
index e95ed5cf8..0dafe7405 100644
--- a/modules/monitoring/library/Monitoring/DataView/Eventgrid.php
+++ b/modules/monitoring/library/Monitoring/DataView/Eventgrid.php
@@ -5,6 +5,18 @@ namespace Icinga\Module\Monitoring\DataView;
 
 class Eventgrid extends DataView
 {
+    /**
+     * {@inheritdoc}
+     */
+    public function isValidFilterTarget($column)
+    {
+        if ($column[0] === '_' && preg_match('/^_(?:host|service)_/', $column)) {
+            return true;
+        }
+
+        return parent::isValidFilterTarget($column);
+    }
+
     /**
      * Retrieve columns provided by this view
      *