From bbfdfc012f7fe30297e2dc2eb09549efca736f1a Mon Sep 17 00:00:00 2001
From: Kakuya Ando <fservak@gmail.com>
Date: Fri, 21 Jul 2017 16:51:25 +0900
Subject: [PATCH] fix(prometheus) when tag value duplicate, tags not working.
 (#8040)

---
 .../plugins/datasource/prometheus/metric_find_query.js    | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/datasource/prometheus/metric_find_query.js b/public/app/plugins/datasource/prometheus/metric_find_query.js
index 04149881d40..a33044fddf6 100644
--- a/public/app/plugins/datasource/prometheus/metric_find_query.js
+++ b/public/app/plugins/datasource/prometheus/metric_find_query.js
@@ -59,9 +59,13 @@ function (_) {
 
       return this.datasource._request('GET', url)
       .then(function(result) {
-        return _.map(result.data.data, function(metric) {
+        var _labels = _.map(result.data.data, function(metric) {
+          return metric[label];
+        });
+
+        return _.uniq(_labels).map(function(metric) {
           return {
-            text: metric[label],
+            text: metric,
             expandable: true
           };
         });