linting

api/edge/callbacks/internal/config/service.go

@@ -28,6 +28,7 @@ func (s *service) Load(path string) (*Config, error) {
 		return nil, merrors.InvalidArgument("config path is required", "path")
 	}
 
+	//nolint:gosec // Configuration file path is provided by service startup configuration.
 	data, err := os.ReadFile(path)
 	if err != nil {
 		s.logger.Error("Failed to read config file", zap.String("path", path), zap.Error(err))

api/edge/callbacks/internal/delivery/service.go

@@ -108,7 +108,7 @@ func (s *service) Start(ctx context.Context) {
 		if runCtx == nil {
 			runCtx = context.Background()
 		}
-		runCtx, s.cancel = context.WithCancel(runCtx)
+		runCtx, s.cancel = context.WithCancel(runCtx) //nolint:gosec // canceled by Stop; service lifecycle outlives Start scope
 
 		for i := 0; i < s.cfg.WorkerConcurrency; i++ {
 			workerID := "worker-" + strconv.Itoa(i+1)
@@ -143,6 +143,10 @@ func (s *service) runWorker(ctx context.Context, workerID string) {
 		now := time.Now().UTC()
 		task, err := s.tasks.LockNextTask(ctx, now, workerID, s.cfg.LockTTL)
 		if err != nil {
+			if errors.Is(err, merrors.ErrNoData) {
+				time.Sleep(s.cfg.WorkerPoll)
+				continue
+			}
 			s.logger.Warn("Failed to lock next task", zap.String("worker_id", workerID), zap.Error(err))
 			time.Sleep(s.cfg.WorkerPoll)
 			continue

api/edge/callbacks/internal/ingest/service.go

@@ -106,7 +106,7 @@ func (s *service) Start(ctx context.Context) {
 		if runCtx == nil {
 			runCtx = context.Background()
 		}
-		runCtx, s.cancel = context.WithCancel(runCtx)
+		runCtx, s.cancel = context.WithCancel(runCtx) //nolint:gosec // canceled by Stop; service lifecycle outlives Start scope
 
 		s.wg.Add(1)
 		go func() {

api/edge/callbacks/internal/retry/service.go

@@ -14,6 +14,7 @@ type service struct {
 
 // New creates retry policy service.
 func New() Policy {
+	//nolint:gosec // Backoff jitter is non-cryptographic and only needs pseudo-random distribution.
 	return &service{rnd: rand.New(rand.NewSource(time.Now().UnixNano()))}
 }
 

api/edge/callbacks/internal/server/internal/serverimp.go

@@ -154,6 +154,7 @@ func (i *Imp) Start() error {
 
 	runCtx, cancel := context.WithCancel(context.Background())
 	i.runCancel = cancel
+	defer cancel()
 	i.ingest.Start(runCtx)
 	i.delivery.Start(runCtx)
 	i.opServer.SetStatus(health.SSRunning)

api/edge/callbacks/internal/storage/service.go

@@ -379,7 +379,7 @@ func (r *taskStore) LockNextTask(ctx context.Context, now time.Time, workerID st
 	candidates, err := mutil.GetObjects[taskDoc](ctx, r.logger, query, nil, r.repo)
 	if err != nil {
 		if errors.Is(err, merrors.ErrNoData) {
-			return nil, nil
+			return nil, merrors.ErrNoData
 		}
 		return nil, merrors.InternalWrap(err, "callbacks task query failed")
 	}
@@ -418,7 +418,7 @@ func (r *taskStore) LockNextTask(ctx context.Context, now time.Time, workerID st
 		return mapTaskDoc(locked), nil
 	}
 
-	return nil, nil
+	return nil, merrors.ErrNoData
 }
 
 func (r *taskStore) MarkDelivered(ctx context.Context, taskID bson.ObjectID, httpCode int, latency time.Duration, at time.Time) error {