X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/33e39bb6053e1cf5bf849a29e41fb74b31a22ef7..2efdb0e205abe63c5ca777fc4dacca65192e5dd3:/services/keepstore/s3_volume.go diff --git a/services/keepstore/s3_volume.go b/services/keepstore/s3_volume.go index 17cc194a5b..80a7c89f2e 100644 --- a/services/keepstore/s3_volume.go +++ b/services/keepstore/s3_volume.go @@ -10,6 +10,7 @@ import ( "net/http" "os" "regexp" + "strings" "time" "github.com/AdRoll/goamz/aws" @@ -39,8 +40,7 @@ type s3VolumeAdder struct { } func (s *s3VolumeAdder) Set(bucketName string) error { - if trashLifetime <= 0 { - log.Print("Missing required configuration parameter: trash-lifetime") + if trashLifetime != 0 { return ErrNotImplemented } if bucketName == "" { @@ -154,20 +154,18 @@ func (v *S3Volume) Check() error { return nil } -func (v *S3Volume) Get(loc string) ([]byte, error) { +func (v *S3Volume) Get(loc string, buf []byte) (int, error) { rdr, err := v.Bucket.GetReader(loc) if err != nil { - return nil, v.translateError(err) + return 0, v.translateError(err) } defer rdr.Close() - buf := bufs.Get(BlockSize) n, err := io.ReadFull(rdr, buf) switch err { case nil, io.EOF, io.ErrUnexpectedEOF: - return buf[:n], nil + return n, nil default: - bufs.Put(buf) - return nil, v.translateError(err) + return 0, v.translateError(err) } } @@ -261,10 +259,14 @@ func (v *S3Volume) IndexTo(prefix string, writer io.Writer) error { return nil } +// Trash a Keep block. func (v *S3Volume) Trash(loc string) error { if v.readonly { return MethodDisabledError } + if trashLifetime != 0 { + return ErrNotImplemented + } if t, err := v.Mtime(loc); err != nil { return err } else if time.Since(t) < blobSignatureTTL { @@ -278,7 +280,7 @@ func (v *S3Volume) Trash(loc string) error { // TBD func (v *S3Volume) Untrash(loc string) error { - return nil + return ErrNotImplemented } func (v *S3Volume) Status() *VolumeStatus { @@ -309,7 +311,8 @@ func (v *S3Volume) isKeepBlock(s string) bool { func (v *S3Volume) translateError(err error) error { switch err := err.(type) { case *s3.Error: - if err.StatusCode == http.StatusNotFound && err.Code == "NoSuchKey" { + if (err.StatusCode == http.StatusNotFound && err.Code == "NoSuchKey") || + strings.Contains(err.Error(), "Not Found") { return os.ErrNotExist } // Other 404 errors like NoSuchVersion and @@ -319,3 +322,9 @@ func (v *S3Volume) translateError(err error) error { } return err } + +// EmptyTrash looks for trashed blocks that exceeded trashLifetime +// and deletes them from the volume. +// TBD +func (v *S3Volume) EmptyTrash() { +}