dashboard/app: use request context

It looks cheaper than appengine.NewContext().

2 files changed, 3 insertions, 5 deletions

diff --git a/dashboard/app/batch_coverage.go b/dashboard/app/batch_coverage.go
index aba85cf59..e5b6d0851 100644
--- a/dashboard/app/batch_coverage.go
+++ b/dashboard/app/batch_coverage.go
@@ -14,14 +14,13 @@ import (
 	"cloud.google.com/go/civil"
 	"github.com/google/syzkaller/pkg/coveragedb"
 	"google.golang.org/api/iterator"
-	"google.golang.org/appengine/v2"
 	"google.golang.org/appengine/v2/log"
 )
 
 const batchCoverageTimeoutSeconds = 60 * 60 * 12
 
 func handleBatchCoverage(w http.ResponseWriter, r *http.Request) {
-	ctx := appengine.NewContext(r)
+	ctx := r.Context()
 	doQuarters := r.FormValue("quarters") == "true"
 	doMonths := r.FormValue("months") == "true"
 	doDays := r.FormValue("days") == "true"
@@ -153,7 +152,7 @@ func nsDataAvailable(ctx context.Context, ns string) ([]coveragedb.TimePeriod, [
 }
 
 func handleBatchCoverageClean(w http.ResponseWriter, r *http.Request) {
-	ctx := context.Background()
+	ctx := r.Context()
 	totalDeleted, err := coveragedb.DeleteGarbage(ctx, coverageDBClient)
 	if err != nil {
 		errMsg := fmt.Sprintf("failed to coveragedb.DeleteGarbage: %s", err.Error())
diff --git a/dashboard/app/batch_db_export.go b/dashboard/app/batch_db_export.go
index 9ca294d70..d667e2728 100644
--- a/dashboard/app/batch_db_export.go
+++ b/dashboard/app/batch_db_export.go
@@ -7,14 +7,13 @@ import (
 	"net/http"
 
 	"cloud.google.com/go/batch/apiv1/batchpb"
-	"google.golang.org/appengine/v2"
 	"google.golang.org/appengine/v2/log"
 )
 
 const exportTimeoutSeconds = 60 * 60 * 6
 
 func handleBatchDBExport(w http.ResponseWriter, r *http.Request) {
-	ctx := appengine.NewContext(r)
+	ctx := r.Context()
 	for ns, nsConfig := range getConfig(ctx).Namespaces {
 		if nsConfig.ReproExportPath == "" {
 			continue