package tree import ( "bytes" "context" "errors" "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/pkg/tracing" "git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs" netmapSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap" "go.opentelemetry.io/otel/attribute" "go.opentelemetry.io/otel/trace" "go.uber.org/zap" ) var errNoSuitableNode = errors.New("no node was found to execute the request") // forEachNode executes callback for each node in the container until true is returned. // Returns errNoSuitableNode if there was no successful attempt to dial any node. func (s *Service) forEachNode(ctx context.Context, cntNodes []netmapSDK.NodeInfo, f func(c TreeServiceClient) bool) error { for _, n := range cntNodes { if bytes.Equal(n.PublicKey(), s.rawPub) { return nil } } var called bool for _, n := range cntNodes { var stop bool n.IterateNetworkEndpoints(func(endpoint string) bool { ctx, span := tracing.StartSpanFromContext(ctx, "TreeService.IterateNetworkEndpoints", trace.WithAttributes( attribute.String("endpoint", endpoint), )) defer span.End() c, err := s.cache.get(ctx, endpoint) if err != nil { return false } s.log.Debug(logs.TreeRedirectingTreeServiceQuery, zap.String("endpoint", endpoint)) called = true stop = f(c) return true }) if stop { return nil } } if !called { return errNoSuitableNode } return nil }