From c3a73dc4242d8ca821f20bba64fa432e91eeb56c Mon Sep 17 00:00:00 2001 From: Valentin Rothberg Date: Fri, 23 Aug 2019 10:39:07 +0200 Subject: [PATCH] zstd: add constants to specs-go/v1 Add go constants for the zstd MIME types to make them usable by consumers of the go package. Signed-off-by: Valentin Rothberg --- schema/validator.go | 4 +++- specs-go/v1/mediatype.go | 9 +++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/schema/validator.go b/schema/validator.go index 029217c3..545ade22 100644 --- a/schema/validator.go +++ b/schema/validator.go @@ -117,8 +117,10 @@ func validateManifest(r io.Reader) error { for _, layer := range header.Layers { if layer.MediaType != string(v1.MediaTypeImageLayer) && layer.MediaType != string(v1.MediaTypeImageLayerGzip) && + layer.MediaType != string(v1.MediaTypeImageLayerZstd) && layer.MediaType != string(v1.MediaTypeImageLayerNonDistributable) && - layer.MediaType != string(v1.MediaTypeImageLayerNonDistributableGzip) { + layer.MediaType != string(v1.MediaTypeImageLayerNonDistributableGzip) && + layer.MediaType != string(v1.MediaTypeImageLayerNonDistributableZstd) { fmt.Printf("warning: layer %s has an unknown media type: %s\n", layer.Digest, layer.MediaType) } } diff --git a/specs-go/v1/mediatype.go b/specs-go/v1/mediatype.go index bad7bb97..4f35ac13 100644 --- a/specs-go/v1/mediatype.go +++ b/specs-go/v1/mediatype.go @@ -34,6 +34,10 @@ const ( // referenced by the manifest. MediaTypeImageLayerGzip = "application/vnd.oci.image.layer.v1.tar+gzip" + // MediaTypeImageLayerZstd is the media type used for zstd compressed + // layers referenced by the manifest. + MediaTypeImageLayerZstd = "application/vnd.oci.image.layer.v1.tar+zstd" + // MediaTypeImageLayerNonDistributable is the media type for layers referenced by // the manifest but with distribution restrictions. MediaTypeImageLayerNonDistributable = "application/vnd.oci.image.layer.nondistributable.v1.tar" @@ -43,6 +47,11 @@ const ( // restrictions. MediaTypeImageLayerNonDistributableGzip = "application/vnd.oci.image.layer.nondistributable.v1.tar+gzip" + // MediaTypeImageLayerNonDistributableZstd is the media type for zstd + // compressed layers referenced by the manifest but with distribution + // restrictions. + MediaTypeImageLayerNonDistributableZstd = "application/vnd.oci.image.layer.nondistributable.v1.tar+zstd" + // MediaTypeImageConfig specifies the media type for the image configuration. MediaTypeImageConfig = "application/vnd.oci.image.config.v1+json" )