pass query context into Queryable's IsApplicable hook

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Grafana Mimir
 
+* [CHANGE] Querier: pass context to queryable `IsApplicable` hook. #10451
 * [CHANGE] Distributor: OTLP and push handler replace all non-UTF8 characters with the unicode replacement character `\uFFFD` in error messages before propagating them. #10236
 * [CHANGE] Querier: pass query matchers to queryable `IsApplicable` hook. #10256
 * [CHANGE] Query-frontend: Add `topic` label to `cortex_ingest_storage_strong_consistency_requests_total`, `cortex_ingest_storage_strong_consistency_failures_total`, and `cortex_ingest_storage_strong_consistency_wait_duration_seconds` metrics. #10220

pkg/querier/querier.go

@@ -138,7 +138,7 @@ func New(cfg Config, limits *validation.Overrides, distributor Distributor, quer
 	queryables = append(queryables, TimeRangeQueryable{
 		Queryable:   NewDistributorQueryable(distributor, limits, queryMetrics, logger),
 		StorageName: "ingester",
-		IsApplicable: func(tenantID string, now time.Time, _, queryMaxT int64, _ ...*labels.Matcher) bool {
+		IsApplicable: func(_ context.Context, tenantID string, now time.Time, _, queryMaxT int64, _ ...*labels.Matcher) bool {
 			return ShouldQueryIngesters(limits.QueryIngestersWithin(tenantID), now, queryMaxT)
 		},
 	})
@@ -234,15 +234,15 @@ func newQueryable(
 // TimeRangeQueryable is a Queryable that is aware of when it is applicable.
 type TimeRangeQueryable struct {
 	storage.Queryable
-	IsApplicable func(tenantID string, now time.Time, queryMinT, queryMaxT int64, matchers ...*labels.Matcher) bool
+	IsApplicable func(ctx context.Context, tenantID string, now time.Time, queryMinT, queryMaxT int64, matchers ...*labels.Matcher) bool
 	StorageName  string
 }
 
 func NewStoreGatewayTimeRangeQueryable(q storage.Queryable, querierConfig Config) TimeRangeQueryable {
 	return TimeRangeQueryable{
 		Queryable:   q,
 		StorageName: "store-gateway",
-		IsApplicable: func(_ string, now time.Time, queryMinT, _ int64, _ ...*labels.Matcher) bool {
+		IsApplicable: func(_ context.Context, _ string, now time.Time, queryMinT, _ int64, _ ...*labels.Matcher) bool {
 			return ShouldQueryBlockStore(querierConfig.QueryStoreAfter, now, queryMinT)
 		},
 	}
@@ -283,7 +283,7 @@ func (mq multiQuerier) getQueriers(ctx context.Context, matchers ...*labels.Matc
 
 	var queriers []storage.Querier
 	for _, queryable := range mq.queryables {
-		if queryable.IsApplicable(tenantID, now, mq.minT, mq.maxT, matchers...) {
+		if queryable.IsApplicable(ctx, tenantID, now, mq.minT, mq.maxT, matchers...) {
 			q, err := queryable.Querier(mq.minT, mq.maxT)
 			if err != nil {
 				return nil, nil, err

pkg/querier/querier_test.go

@@ -231,7 +231,7 @@ func TestQuerier(t *testing.T) {
 			db, through := mockTSDB(t, model.Time(0), int(chunks*samplesPerChunk), sampleRate, chunkOffset, int(samplesPerChunk), q.valueType)
 			dbQueryable := TimeRangeQueryable{
 				Queryable: db,
-				IsApplicable: func(_ string, _ time.Time, _, _ int64, _ ...*labels.Matcher) bool {
+				IsApplicable: func(_ context.Context, _ string, _ time.Time, _, _ int64, _ ...*labels.Matcher) bool {
 					return true
 				},
 			}