more otel

internal/storage/store.go

@@ -26,3 +26,15 @@ type Store interface {
 	GetHistory(ctx context.Context, limit int) ([]websocket.HistoryEntry, error)
 	Search(ctx context.Context, opts SearchOptions, limit int) ([]websocket.HistoryEntry, error)
 }
+
+// StatsQuerier is implemented by stores that can answer aggregate
+// time-series questions (currently ClickHouseStore). The stats HTTP
+// endpoints are only enabled when the configured store implements it.
+type StatsQuerier interface {
+	// ErrorStats returns hourly/daily total and error entry counts.
+	ErrorStats(ctx context.Context, service string, hours int, daily bool) ([]StatsPoint, error)
+	// ReleaseSeries returns per-release error-count time series.
+	ReleaseSeries(ctx context.Context, service string, hours int) (map[string][]StatsPoint, error)
+	// Services lists distinct services seen in the rollup.
+	Services(ctx context.Context) ([]string, error)
+}