1 files changed, 107 insertions, 0 deletions
diff --git a/weed/s3api/filer_util.go b/weed/s3api/filer_util.go
index 9dd9a684e..ef7396996 100644
--- a/weed/s3api/filer_util.go
+++ b/weed/s3api/filer_util.go
@@ -2,11 +2,14 @@ package s3api
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 
+	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
 
@@ -108,6 +111,110 @@ func (s3a *S3ApiServer) updateEntry(parentDirectoryPath string, newEntry *filer_
 	return err
 }
 
+func (s3a *S3ApiServer) updateEntriesTTL(parentDirectoryPath string, ttlSec int32) error {
+	// Use iterative approach with a queue to avoid recursive WithFilerClient calls
+	// which would create a new connection for each subdirectory
+	return s3a.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
+		ctx := context.Background()
+		var updateErrors []error
+		dirsToProcess := []string{parentDirectoryPath}
+
+		for len(dirsToProcess) > 0 {
+			dir := dirsToProcess[0]
+			dirsToProcess = dirsToProcess[1:]
+
+			// Process directory in paginated batches
+			if err := s3a.processDirectoryTTL(ctx, client, dir, ttlSec, &dirsToProcess, &updateErrors); err != nil {
+				updateErrors = append(updateErrors, err)
+			}
+		}
+
+		if len(updateErrors) > 0 {
+			return errors.Join(updateErrors...)
+		}
+		return nil
+	})
+}
+
+// processDirectoryTTL processes a single directory in paginated batches
+func (s3a *S3ApiServer) processDirectoryTTL(ctx context.Context, client filer_pb.SeaweedFilerClient, 
+	dir string, ttlSec int32, dirsToProcess *[]string, updateErrors *[]error) error {
+	
+	const batchSize = filer.PaginationSize
+	startFrom := ""
+
+	for {
+		lastEntryName, entryCount, err := s3a.processTTLBatch(ctx, client, dir, ttlSec, startFrom, batchSize, dirsToProcess, updateErrors)
+		if err != nil {
+			return fmt.Errorf("list entries in %s: %w", dir, err)
+		}
+
+		// If we got fewer entries than batch size, we've reached the end
+		if entryCount < batchSize {
+			break
+		}
+		startFrom = lastEntryName
+	}
+	return nil
+}
+
+// processTTLBatch processes a single batch of entries
+func (s3a *S3ApiServer) processTTLBatch(ctx context.Context, client filer_pb.SeaweedFilerClient,
+	dir string, ttlSec int32, startFrom string, batchSize uint32,
+	dirsToProcess *[]string, updateErrors *[]error) (lastEntry string, count int, err error) {
+
+	err = filer_pb.SeaweedList(ctx, client, dir, "", func(entry *filer_pb.Entry, isLast bool) error {
+		lastEntry = entry.Name
+		count++
+
+		if entry.IsDirectory {
+			*dirsToProcess = append(*dirsToProcess, string(util.NewFullPath(dir, entry.Name)))
+			return nil
+		}
+
+		// Update entry TTL and S3 expiry flag
+		if updateErr := s3a.updateEntryTTL(ctx, client, dir, entry, ttlSec); updateErr != nil {
+			*updateErrors = append(*updateErrors, updateErr)
+		}
+		return nil
+	}, startFrom, false, batchSize)
+
+	return lastEntry, count, err
+}
+
+// updateEntryTTL updates a single entry's TTL and S3 expiry flag
+func (s3a *S3ApiServer) updateEntryTTL(ctx context.Context, client filer_pb.SeaweedFilerClient,
+	dir string, entry *filer_pb.Entry, ttlSec int32) error {
+
+	if entry.Attributes == nil {
+		entry.Attributes = &filer_pb.FuseAttributes{}
+	}
+	if entry.Extended == nil {
+		entry.Extended = make(map[string][]byte)
+	}
+
+	// Check if both TTL and S3 expiry flag are already set correctly
+	flagAlreadySet := string(entry.Extended[s3_constants.SeaweedFSExpiresS3]) == "true"
+	if entry.Attributes.TtlSec == ttlSec && flagAlreadySet {
+		return nil // Already up to date
+	}
+
+	// Set the S3 expiry flag
+	entry.Extended[s3_constants.SeaweedFSExpiresS3] = []byte("true")
+	// Update TTL if needed
+	if entry.Attributes.TtlSec != ttlSec {
+		entry.Attributes.TtlSec = ttlSec
+	}
+
+	if err := filer_pb.UpdateEntry(ctx, client, &filer_pb.UpdateEntryRequest{
+		Directory: dir,
+		Entry:     entry,
+	}); err != nil {
+		return fmt.Errorf("file %s/%s: %w", dir, entry.Name, err)
+	}
+	return nil
+}
+
 func (s3a *S3ApiServer) getCollectionName(bucket string) string {
 	if s3a.option.FilerGroup != "" {
 		return fmt.Sprintf("%s_%s", s3a.option.FilerGroup, bucket)