log when auto egress fails (#1029)

* log when auto egress fails

* use room logger

pkg/rtc/room.go

@@ -732,7 +732,7 @@ func (r *Room) onTrackPublished(participant types.LocalParticipant, track types.
 
 	// auto track egress
 	if r.internal != nil && r.internal.TrackEgress != nil {
-		StartTrackEgress(
+		if err := StartTrackEgress(
 			context.Background(),
 			r.egressLauncher,
 			r.telemetry,
@@ -740,7 +740,9 @@ func (r *Room) onTrackPublished(participant types.LocalParticipant, track types.
 			track,
 			r.Name(),
 			r.ID(),
-		)
+		); err != nil {
+			r.Logger.Errorw("failed to launch track egress", err)
+		}
 	}
 }
 

pkg/rtc/room_egress.go

@@ -25,7 +25,7 @@ func StartTrackEgress(
 	track types.MediaTrack,
 	roomName livekit.RoomName,
 	roomID livekit.RoomID,
-) {
+) error {
 	if req, err := startTrackEgress(ctx, launcher, opts, track, roomName, roomID); err != nil {
 		// send egress failed webhook
 		ts.NotifyEvent(ctx, &livekit.WebhookEvent{
@@ -38,7 +38,9 @@ func StartTrackEgress(
 				Request:  &livekit.EgressInfo_Track{Track: req},
 			},
 		})
+		return err
 	}
+	return nil
 }
 
 func startTrackEgress(