InfluxDB: InfluxQL: adds tags to timeseries data (#36702)

* influxdb: influxql: return tags in timeseries

* influxdb: influxql: added tests

public/app/plugins/datasource/influxdb/influx_series.ts

@@ -51,7 +51,13 @@ export default class InfluxSeries {
           }
         }
 
-        output.push({ target: seriesName, datapoints: datapoints, meta: this.meta, refId: this.refId });
+        output.push({
+          target: seriesName,
+          datapoints: datapoints,
+          tags: series.tags,
+          meta: this.meta,
+          refId: this.refId,
+        });
       }
     });
 

public/app/plugins/datasource/influxdb/specs/influx_series.test.ts

@@ -138,12 +138,20 @@ describe('when generating timeseries from influxdb response', () => {
         expect(result[0].datapoints[0][1]).toBe(1431946625000);
         expect(result[0].datapoints[1][0]).toBe(12);
         expect(result[0].datapoints[1][1]).toBe(1431946626000);
+        expect(result[0].tags).toMatchObject({
+          app: 'test',
+          server: 'server1',
+        });
 
         expect(result[1].target).toBe('cpu.mean {app: test2, server: server2}');
         expect(result[1].datapoints[0][0]).toBe(15);
         expect(result[1].datapoints[0][1]).toBe(1431946625000);
         expect(result[1].datapoints[1][0]).toBe(16);
         expect(result[1].datapoints[1][1]).toBe(1431946626000);
+        expect(result[1].tags).toMatchObject({
+          app: 'test2',
+          server: 'server2',
+        });
       });
     });