From aca9d3965da1c8ce6c74c7de6cea886c6507c977 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torkel=20=C3=96degaard?= <torkel.odegaard@gmail.com>
Date: Mon, 14 Dec 2015 18:49:53 +0100
Subject: [PATCH] feat(elasticsearch): added unit option to derivative metric,
 closes #3512

---
 CHANGELOG.md                                         |  5 +++++
 .../datasource/elasticsearch/elastic_response.js     |  6 +++++-
 .../elasticsearch/partials/metric_agg.html           | 12 ++++++++++++
 .../plugins/datasource/elasticsearch/query_def.js    |  4 +++-
 4 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a6f780faf1..850ebfee008 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 2.6.1
+
+### New Features
+* **Elasticsearch**: Support for derivative unit option, closes [#3512](https://github.com/grafana/grafana/issues/3512)
+
 # 2.6.0 (2015-12-14)
 
 ### New Features
diff --git a/public/app/plugins/datasource/elasticsearch/elastic_response.js b/public/app/plugins/datasource/elasticsearch/elastic_response.js
index 32120a4519a..b8405797408 100644
--- a/public/app/plugins/datasource/elasticsearch/elastic_response.js
+++ b/public/app/plugins/datasource/elasticsearch/elastic_response.js
@@ -82,7 +82,11 @@ function (_, queryDef) {
 
             value = bucket[metric.id];
             if (value !== undefined) {
-              newSeries.datapoints.push([value.value, bucket.key]);
+              if (value.normalized_value) {
+                newSeries.datapoints.push([value.normalized_value, bucket.key]);
+              } else {
+                newSeries.datapoints.push([value.value, bucket.key]);
+              }
             }
 
           }
diff --git a/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html b/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html
index 4da8b53181b..5f3c3072bfa 100644
--- a/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html
+++ b/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html
@@ -39,6 +39,18 @@
 
 <div class="tight-form" ng-if="showOptions">
 	<div class="tight-form-inner-box tight-form-container">
+		<div class="tight-form" ng-if="agg.type === 'derivative'">
+			<ul class="tight-form-list">
+				<li class="tight-form-item" style="width: 75px;">
+					Unit
+				</li>
+				<li>
+					<input type="text" class="input-medium tight-form-input last" ng-model="agg.settings.unit" ng-blur="onChangeInternal()" spellcheck='false'>
+				</li>
+			</ul>
+			<div class="clearfix"></div>
+		</div>
+
 		<div class="tight-form" ng-if="agg.type === 'moving_avg'">
 			<ul class="tight-form-list">
 				<li class="tight-form-item" style="width: 75px;">
diff --git a/public/app/plugins/datasource/elasticsearch/query_def.js b/public/app/plugins/datasource/elasticsearch/query_def.js
index 53c1fe378ef..ae44af3e2db 100644
--- a/public/app/plugins/datasource/elasticsearch/query_def.js
+++ b/public/app/plugins/datasource/elasticsearch/query_def.js
@@ -73,7 +73,9 @@ function (_) {
         {text: 'window', default: 5},
         {text: 'model', default: 'simple'}
       ],
-      'derivative': []
+      'derivative': [
+        {text: 'unit', default: undefined},
+      ]
     },
 
     getMetricAggTypes: function(esVersion) {