From dcf840fc0713d89e3dc94087194cd6ba046f7f05 Mon Sep 17 00:00:00 2001
From: Alexander Zobnin <alexanderzobnin@gmail.com>
Date: Mon, 6 Jul 2015 20:06:20 +0300
Subject: [PATCH] Resolved #36 - Ability to use variables in filters (regex).

---
 zabbix/datasource.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/zabbix/datasource.js b/zabbix/datasource.js
index 89df0ec..d4a310c 100644
--- a/zabbix/datasource.js
+++ b/zabbix/datasource.js
@@ -89,7 +89,10 @@ function (angular, _, kbn) {
             // Filter hosts by regex
             if (target.host.visible_name == 'All') {
               if (target.hostFilter && _.every(items, _.identity.hosts)) {
-                var host_pattern = new RegExp(target.hostFilter);
+
+                // Use templated variables in filter
+                var pattern = templateSrv.replace(target.hostFilter);
+                var host_pattern = new RegExp(pattern);
                 items = _.filter(items, function (item) {
                   return _.some(item.hosts, function (host) {
                     return host_pattern.test(host.name);
@@ -102,7 +105,10 @@ function (angular, _, kbn) {
 
               // Filter items by regex
               if (target.itemFilter) {
-                var item_pattern = new RegExp(target.itemFilter);
+
+                // Use templated variables in filter
+                var pattern = templateSrv.replace(target.itemFilter);
+                var item_pattern = new RegExp(pattern);
                 return _.filter(items, function (item) {
                   return item_pattern.test(zabbix.expandItemName(item));
                 });