fix(templating): fixed issue with experimental feature template variable value…

fix(templating): fixed issue with experimental feature template variable value groups tags, fixes #6752

CHANGELOG.md

@@ -6,6 +6,7 @@
 * **Server side PNG rendering**: Fixed issue with y-axis label rotation in phantomjs rendered images [#6924](https://github.com/grafana/grafana/issues/6924)
 * **Graph**: Fixed centering of y-axis label [#7099](https://github.com/grafana/grafana/issues/7099)
 * **Graph**: Fixed graph legend table mode and always visible scrollbar [#6828](https://github.com/grafana/grafana/issues/6828)
+* **Templating**: Fixed template variable value groups/tags feature [#6752](https://github.com/grafana/grafana/issues/6752)
 
 # 4.1-beta1 (2016-12-21)
 

public/app/core/directives/value_select_dropdown.js

@@ -75,7 +75,7 @@ function (angular, _, coreModule) {
       tag.selected = !tag.selected;
       var tagValuesPromise;
       if (!tag.values) {
-        tagValuesPromise = vm.getValuesForTag({tagKey: tag.text});
+        tagValuesPromise = vm.variable.getValuesForTag(tag.text);
       } else {
         tagValuesPromise = $q.when(tag.values);
       }
@@ -225,7 +225,7 @@ function (angular, _, coreModule) {
 
   coreModule.default.directive('valueSelectDropdown', function($compile, $window, $timeout, $rootScope) {
     return {
-      scope: { variable: "=", onUpdated: "&", getValuesForTag: "&" },
+      scope: { variable: "=", onUpdated: "&"},
       templateUrl: 'public/app/partials/valueSelectDropdown.html',
       controller: 'ValueSelectDropdownCtrl',
       controllerAs: 'vm',

public/app/core/utils/model_utils.ts

-export function assignModelProperties(target, source, defaults) {
+export function assignModelProperties(target, source, defaults, removeDefaults?) {
   for (var key in defaults) {
     if (!defaults.hasOwnProperty(key)) {
       continue;

public/app/features/dashboard/submenu/submenu.html

@@ -5,7 +5,7 @@
       <label class="gf-form-label template-variable" ng-hide="variable.hide === 1">
         {{variable.label || variable.name}}
       </label>
-      <value-select-dropdown ng-if="variable.type !== 'adhoc'" variable="variable" on-updated="ctrl.variableUpdated(variable)" get-values-for-tag="ctrl.getValuesForTag(variable, tagKey)"></value-select-dropdown>
+      <value-select-dropdown ng-if="variable.type !== 'adhoc'" variable="variable" on-updated="ctrl.variableUpdated(variable)"></value-select-dropdown>
     </div>
     <ad-hoc-filters ng-if="variable.type === 'adhoc'" variable="variable"></ad-hoc-filters>
   </div>

public/app/features/dashboard/submenu/submenu.ts

@@ -21,10 +21,6 @@ export class SubmenuCtrl {
     this.$rootScope.$broadcast('refresh');
   }
 
-  getValuesForTag(variable, tagKey) {
-    return this.variableSrv.getValuesForTag(variable, tagKey);
-  }
-
   variableUpdated(variable) {
     this.variableSrv.variableUpdated(variable).then(() => {
       this.$rootScope.$emit('template-variable-value-updated');

public/app/features/templating/partials/editor.html

@@ -111,14 +111,14 @@
 					<span class="gf-form-label width-9">Values</span>
 					<input type="text" class="gf-form-input" placeholder="name" ng-model='current.query' placeholder="1m,10m,1h,6h,1d,7d" ng-model-onblur ng-change="runQuery()" required></input>
 				</div>
-				<div class="gf-form">
-					<span class="gf-form-label width-9">Auto option</span>
-					<editor-checkbox text="Enable" model="current.auto" change="runQuery()"></editor-checkbox>
-				</div>
+
 				<div class="gf-form-inline">
+					<gf-form-switch class="gf-form" label="Auto Option" label-class="width-9" checked="current.auto" on-change="runQuery()">
+					</gf-form-switch>
+
 					<div class="gf-form">
 						<span class="gf-form-label width-9" ng-show="current.auto">
-							Auto steps <tip>How many times should the current time range be divided to calculate the value</tip>
+							Step count <tip>How many times should the current time range be divided to calculate the value</tip>
 						</span>
 						<div class="gf-form-select-wrapper max-width-10" ng-show="current.auto">
 							<select class="gf-form-input" ng-model="current.auto_count" ng-options="f for f in [2,3,4,5,10,20,30,40,50,100,200,300,400,500]" ng-change="runQuery()"></select>
@@ -257,9 +257,8 @@
 
       <div class="gf-form-group" ng-if="current.type === 'query'">
         <h5>Value groups/tags (Experimental feature)</h5>
-        <div class="gf-form">
-          <editor-checkbox text="Enable" model="current.useTags" change="runQuery()"></editor-checkbox>
-        </div>
+				<gf-form-switch class="gf-form" label="Enabled" label-class="width-10" checked="current.useTags" on-change="runQuery()">
+				</gf-form-switch>
 				<div class="gf-form last" ng-if="current.useTags">
 					<span class="gf-form-label width-10">Tags query</span>
 					<input type="text" class="gf-form-input" ng-model='current.tagsQuery' placeholder="metric name or tags query" ng-model-onblur></input>

public/app/features/templating/query_variable.ts

@@ -21,6 +21,10 @@ export class QueryVariable implements Variable {
   name: string;
   multi: boolean;
   includeAll: boolean;
+  useTags: boolean;
+  tagsQuery: string;
+  tagValuesQuery: string;
+  tags: any[];
 
   defaults = {
     type: 'query',
@@ -37,8 +41,10 @@ export class QueryVariable implements Variable {
     allValue: null,
     options: [],
     current: {},
-    tagsQuery: null,
-    tagValuesQuery: null,
+    tags: [],
+    useTags: false,
+    tagsQuery: "",
+    tagValuesQuery: "",
   };
 
   /** @ngInject **/
@@ -77,9 +83,37 @@ export class QueryVariable implements Variable {
   updateOptions() {
     return this.datasourceSrv.get(this.datasource)
     .then(this.updateOptionsFromMetricFindQuery.bind(this))
+    .then(this.updateTags.bind(this))
     .then(this.variableSrv.validateVariableSelectionState.bind(this.variableSrv, this));
   }
 
+  updateTags(datasource) {
+    if (this.useTags) {
+      return datasource.metricFindQuery(this.tagsQuery).then(results => {
+        this.tags = [];
+        for (var i = 0; i < results.length; i++) {
+          this.tags.push(results[i].text);
+        }
+        return datasource;
+      });
+    } else {
+      delete this.tags;
+    }
+
+    return datasource;
+  }
+
+  getValuesForTag(tagKey) {
+    return this.datasourceSrv.get(this.datasource).then(datasource => {
+      var query = this.tagValuesQuery.replace('$tag', tagKey);
+      return datasource.metricFindQuery(query).then(function (results) {
+        return _.map(results, function(value) {
+          return value.text;
+        });
+      });
+    });
+  }
+
   updateOptionsFromMetricFindQuery(datasource) {
     return datasource.metricFindQuery(this.query).then(results => {
       this.options = this.metricNamesToVariableValues(results);

public/test/specs/value_select_dropdown_specs.js

@@ -9,22 +9,26 @@ function () {
     var ctrl;
     var tagValuesMap = {};
     var rootScope;
+    var q;
 
     beforeEach(module('grafana.core'));
     beforeEach(inject(function($controller, $rootScope, $q, $httpBackend) {
       rootScope = $rootScope;
+      q = $q;
       scope = $rootScope.$new();
       ctrl = $controller('ValueSelectDropdownCtrl', {$scope: scope});
-      ctrl.getValuesForTag = function(obj) {
-        return $q.when(tagValuesMap[obj.tagKey]);
-      };
       ctrl.onUpdated = sinon.spy();
       $httpBackend.when('GET', /\.html$/).respond('');
     }));
 
     describe("Given simple variable", function() {
       beforeEach(function() {
-        ctrl.variable = {current: {text: 'hej', value: 'hej' }};
+        ctrl.variable = {
+          current: {text: 'hej', value: 'hej' },
+          getValuesForTag: function(key) {
+            return q.when(tagValuesMap[key]);
+          },
+        };
         ctrl.init();
       });
 
@@ -43,6 +47,9 @@ function () {
             {text: 'server-3', value: 'server-3'},
           ],
           tags: ["key1", "key2", "key3"],
+          getValuesForTag: function(key) {
+            return q.when(tagValuesMap[key]);
+          },
           multi: true
         };
         tagValuesMap.key1 = ['server-1', 'server-3'];
@@ -145,6 +152,9 @@ function () {
             {text: 'server-3', value: 'server-3'},
           ],
           tags: ["key1", "key2", "key3"],
+          getValuesForTag: function(key) {
+            return q.when(tagValuesMap[key]);
+          },
           multi: true
         };
         ctrl.init();