Merge branch 'v4.3.x'

public/app/plugins/datasource/grafana/datasource.ts

@@ -8,11 +8,31 @@ class GrafanaDatasource {
   constructor(private backendSrv, private $q) {}
 
   query(options) {
-    return this.$q.when({data: []});
+    return this.backendSrv.get('/api/tsdb/testdata/random-walk', {
+      from: options.range.from.valueOf(),
+      to: options.range.to.valueOf(),
+      intervalMs: options.intervalMs,
+      maxDataPoints: options.maxDataPoints,
+    }).then(res => {
+      var data = [];
+
+      if (res.results) {
+        _.forEach(res.results, queryRes => {
+          for (let series of queryRes.series) {
+            data.push({
+              target: series.name,
+              datapoints: series.points
+            });
+          }
+        });
+      }
+
+      return {data: data};
+    });
   }
 
-  metricFindQuery() {
-    return this.$q.when([]);
+  metricFindQuery(options) {
+    return this.$q.when({data: []});
   }
 
   annotationQuery(options) {

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

@@ -1,7 +1,11 @@
 <query-editor-row query-ctrl="ctrl" can-collapse="false">
 	<div class="gf-form-inline">
 		<div class="gf-form">
-			<label class="gf-form-label">Test metric (fake data source)</label>
+			<label class="gf-form-label">Test data: random walk</label>
+		</div>
+
+		<div class="gf-form gf-form--grow">
+			<div class="gf-form-label gf-form-label--grow"></div>
 		</div>
 	</div>
 </query-editor-row>