read image config from docker v2s1 manifests

Signed-off-by: Antonio Murdaca <runcom@redhat.com>
This commit is contained in:
Antonio Murdaca 2017-04-03 09:22:44 +02:00
parent bbe2dea0a6
commit a0071de607
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GPG key ID: B2BEAD150DE936B9
39 changed files with 1272 additions and 506 deletions

View file

@ -290,6 +290,10 @@ func (s *storageImageDestination) PutBlob(stream io.Reader, blobinfo types.BlobI
return s.putBlob(stream, blobinfo, true)
}
// HasBlob returns true iff the image destination already contains a blob with the matching digest which can be reapplied using ReapplyBlob.
// Unlike PutBlob, the digest can not be empty. If HasBlob returns true, the size of the blob must also be returned.
// If the destination does not contain the blob, or it is unknown, HasBlob ordinarily returns (false, -1, nil);
// it returns a non-nil error only on an unexpected failure.
func (s *storageImageDestination) HasBlob(blobinfo types.BlobInfo) (bool, int64, error) {
if blobinfo.Digest == "" {
return false, -1, errors.Errorf(`"Can not check for a blob with unknown digest`)
@ -299,7 +303,7 @@ func (s *storageImageDestination) HasBlob(blobinfo types.BlobInfo) (bool, int64,
return true, blob.Size, nil
}
}
return false, -1, types.ErrBlobNotFound
return false, -1, nil
}
func (s *storageImageDestination) ReapplyBlob(blobinfo types.BlobInfo) (types.BlobInfo, error) {