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Loki: add backend-forward mode to queries, update log-row-context (#47726)

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* loki: add helper function to sort dataframe by time

* loki: add direction-attribute to queries

* loki: make log-row-context code backward-compatible

* better comment

Co-authored-by: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>

* fixed test

* simplified code

Co-authored-by: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
This commit is contained in:
Gábor Farkas
2022-04-20 13:52:15 +02:00
committed by GitHub
co-authored by Ivana Huckova
parent e8fc6637ec
commit 79c06fdddc
12 changed files with 250 additions and 72 deletions
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pkg/tsdb/loki/framing_test.go
+4 -4
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@@ -22,9 +22,9 @@ import (
// but i wanted to test for all of them, to be sure.
func TestSuccessResponse(t *testing.T) {
matrixQuery := lokiQuery{Expr: "up(ALERTS)", Step: time.Second * 42, QueryType: QueryTypeRange}
vectorQuery := lokiQuery{Expr: "query1", QueryType: QueryTypeInstant}
streamsQuery := lokiQuery{Expr: "query1", QueryType: QueryTypeRange}
matrixQuery := lokiQuery{Expr: "up(ALERTS)", Step: time.Second * 42, QueryType: QueryTypeRange, Direction: DirectionBackward}
vectorQuery := lokiQuery{Expr: "query1", QueryType: QueryTypeInstant, Direction: DirectionBackward}
streamsQuery := lokiQuery{Expr: "query1", QueryType: QueryTypeRange, Direction: DirectionBackward}
tt := []struct {
name string
@@ -119,7 +119,7 @@ func TestErrorResponse(t *testing.T) {
for _, test := range tt {
t.Run(test.name, func(t *testing.T) {
frames, err := runQuery(context.Background(), makeMockedAPI(400, test.contentType, test.body), &lokiQuery{QueryType: QueryTypeRange})
frames, err := runQuery(context.Background(), makeMockedAPI(400, test.contentType, test.body), &lokiQuery{QueryType: QueryTypeRange, Direction: DirectionBackward})
require.Len(t, frames, 0)
require.Error(t, err)