Stackdriver: Add extra alignment period options (#18909)

* Add more alignment period options

* Remove unnecessary alignment period limit

pkg/tsdb/stackdriver/stackdriver.go

@@ -261,12 +261,6 @@ func setAggParams(params *url.Values, query *tsdb.Query, durationSeconds int) {
 		}
 	}
 
-	re := regexp.MustCompile("[0-9]+")
-	seconds, err := strconv.ParseInt(re.FindString(alignmentPeriod), 10, 64)
-	if err != nil || seconds > 3600 {
-		alignmentPeriod = "+3600s"
-	}
-
 	params.Add("aggregation.crossSeriesReducer", crossSeriesReducer)
 	params.Add("aggregation.perSeriesAligner", perSeriesAligner)
 	params.Add("aggregation.alignmentPeriod", alignmentPeriod)

pkg/tsdb/stackdriver/stackdriver_test.go

@@ -147,17 +147,6 @@ func TestStackdriver(t *testing.T) {
 			})
 
 			Convey("and alignmentPeriod is set in frontend", func() {
-				Convey("and alignment period is too big", func() {
-					tsdbQuery.Queries[0].IntervalMs = 1000
-					tsdbQuery.Queries[0].Model = simplejson.NewFromAny(map[string]interface{}{
-						"alignmentPeriod": "+360000s",
-					})
-
-					queries, err := executor.buildQueries(tsdbQuery)
-					So(err, ShouldBeNil)
-					So(queries[0].Params["aggregation.alignmentPeriod"][0], ShouldEqual, `+3600s`)
-				})
-
 				Convey("and alignment period is within accepted range", func() {
 					tsdbQuery.Queries[0].IntervalMs = 1000
 					tsdbQuery.Queries[0].Model = simplejson.NewFromAny(map[string]interface{}{

public/app/plugins/datasource/stackdriver/constants.ts

@@ -233,11 +233,15 @@ export const alignmentPeriods = [
   { text: 'grafana auto', value: 'grafana-auto' },
   { text: 'stackdriver auto', value: 'stackdriver-auto' },
   { text: '1m', value: '+60s' },
+  { text: '2m', value: '+120s' },
   { text: '5m', value: '+300s' },
+  { text: '10m', value: '+600s' },
   { text: '30m', value: '+1800s' },
   { text: '1h', value: '+3600s' },
+  { text: '3h', value: '+7200s' },
   { text: '6h', value: '+21600s' },
   { text: '1d', value: '+86400s' },
+  { text: '3d', value: '+259200s' },
   { text: '1w', value: '+604800s' },
 ];