feat(elasticsearch): only show pipeline agg for es version >= 2

public/app/plugins/datasource/elasticsearch/directives.js

@@ -30,6 +30,7 @@ function (angular) {
         index: "=",
         onChange: "&",
         getFields: "&",
+        esVersion: '='
       }
     };
   });

public/app/plugins/datasource/elasticsearch/metric_agg.js

@@ -11,7 +11,7 @@ function (angular, _, queryDef) {
   module.controller('ElasticMetricAggCtrl', function($scope, uiSegmentSrv, $q, $rootScope) {
     var metricAggs = $scope.target.metrics;
 
-    $scope.metricAggTypes = queryDef.metricAggTypes;
+    $scope.metricAggTypes = queryDef.getMetricAggTypes($scope.esVersion);
     $scope.extendedStats = queryDef.extendedStats;
     $scope.pipelineAggOptions = [];
 

public/app/plugins/datasource/elasticsearch/partials/query.editor.html

@@ -65,7 +65,8 @@
 		<elastic-metric-agg
 			target="target" index="$index"
 			get-fields="getFields($fieldType)"
-			on-change="queryUpdated()">
+			on-change="queryUpdated()"
+			es-version="esVersion">
 		</elastic-metric-agg>
 	</div>
 

public/app/plugins/datasource/elasticsearch/query_ctrl.js

@@ -7,6 +7,7 @@ function (angular) {
   var module = angular.module('grafana.controllers');
 
   module.controller('ElasticQueryCtrl', function($scope, $timeout, uiSegmentSrv) {
+    $scope.esVersion = $scope.datasource.esVersion;
 
     $scope.init = function() {
       var target = $scope.target;

public/app/plugins/datasource/elasticsearch/query_def.js

@@ -14,8 +14,8 @@ function (_) {
       {text: "Extended Stats",  value: 'extended_stats', requiresField: true, supportsMissing: true, supportsInlineScript: true},
       {text: "Percentiles",  value: 'percentiles', requiresField: true, supportsMissing: true, supportsInlineScript: true},
       {text: "Unique Count", value: "cardinality", requiresField: true, supportsMissing: true},
-      {text: "Moving Average",  value: 'moving_avg', requiresField: false, isPipelineAgg: true },
-      {text: "Derivative",  value: 'derivative', requiresField: false, isPipelineAgg: true },
+      {text: "Moving Average",  value: 'moving_avg', requiresField: false, isPipelineAgg: true, minVersion: 2},
+      {text: "Derivative",  value: 'derivative', requiresField: false, isPipelineAgg: true, minVersion: 2 },
       {text: "Raw Document", value: "raw_document", requiresField: false}
     ],
 
@@ -76,6 +76,16 @@ function (_) {
       'derivative': []
     },
 
+    getMetricAggTypes: function(esVersion) {
+      return _.filter(this.metricAggTypes, function(f) {
+        if (f.minVersion) {
+          return f.minVersion <= esVersion;
+        } else {
+          return true;
+        }
+      });
+    },
+
     getPipelineOptions: function(metric) {
       if (!this.isPipelineAgg(metric.type)) {
         return [];

public/app/plugins/datasource/elasticsearch/specs/query_def_specs.ts

@@ -79,4 +79,24 @@ describe('ElasticQueryDef', function() {
       });
     });
   });
+
+  describe('pipeline aggs depending on esverison', function() {
+      describe('using esversion undefined', function() {
+          it('should not get pipeline aggs', function() {
+              expect(QueryDef.getMetricAggTypes(undefined).length).to.be(9);
+          });
+      });
+
+      describe('using esversion 1', function() {
+          it('should not get pipeline aggs', function() {
+              expect(QueryDef.getMetricAggTypes(1).length).to.be(9);
+          });
+      });
+
+      describe('using esversion 2', function() {
+          it('should get pipeline aggs', function() {
+              expect(QueryDef.getMetricAggTypes(2).length).to.be(11);
+          });
+      });
+  });
 });