Fix timeout errors (#256)

* Prepare release 1.2.11

* Fix timeout errors

* Revert "Prepare release 1.2.11"

This reverts commit e8ac02b.

Author: ivanahuckova

pkg/googlesheets/googlesheets.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"net"
 	"strings"
 	"time"
 
@@ -117,7 +118,9 @@ func (gs *GoogleSheets) getSheetData(client client, qm *models.QueryModel) (*she
 			return nil, nil, errWithSource
 		}
 
-		if err == context.DeadlineExceeded || err == context.Canceled {
+		// Check for all type of timeouts or context canceled that should be treated as downstream errors
+		netErr, neErrOk := err.(net.Error)
+		if neErrOk && netErr.Timeout() || errors.Is(err, context.DeadlineExceeded) || errors.Is(err, context.Canceled) {
 			log.DefaultLogger.Warn("context canceled", "err", err)
 			errWithSource := errorsource.DownstreamError(err, false)
 			return nil, nil, errWithSource

pkg/googlesheets/googlesheets_test.go

@@ -3,6 +3,7 @@ package googlesheets
 import (
 	"context"
 	"encoding/json"
+	"net"
 	"os"
 	"testing"
 	"time"
@@ -165,6 +166,27 @@ func TestGooglesheets(t *testing.T) {
 			client.AssertExpectations(t)
 		})
 
+		t.Run("timeout", func(t *testing.T) {
+			client := &fakeClient{}
+			qm := &models.QueryModel{
+				Spreadsheet:          "spreadsheet-id",
+				Range:                "Sheet1!A1:B2",
+				CacheDurationSeconds: 60,
+			}
+			gsd := &GoogleSheets{
+				Cache: cache.New(300*time.Second, 50*time.Second),
+			}
+
+			client.On("GetSpreadsheet", qm.Spreadsheet, qm.Range, true).Return(&sheets.Spreadsheet{}, &net.OpError{Err: context.DeadlineExceeded})
+
+			_, _, err := gsd.getSheetData(client, qm)
+
+			assert.Error(t, err)
+			assert.True(t, backend.IsDownstreamError(err))
+
+			client.AssertExpectations(t)
+		})
+
 		t.Run("error that doesn't have message property", func(t *testing.T) {
 			client := &fakeClient{}
 			qm := &models.QueryModel{