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c4f0515837
OCI types are backwards compatible with Docker manifest types, however the media types must be registered. Signed-off-by: Derek McGowan <derek@mcgstyle.net>
45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
package distribution
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import (
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"fmt"
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"github.com/docker/distribution"
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"github.com/docker/distribution/manifest/manifestlist"
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"github.com/docker/distribution/manifest/schema2"
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digest "github.com/opencontainers/go-digest"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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)
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func init() {
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// TODO: Remove this registration if distribution is included with OCI support
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ocischemaFunc := func(b []byte) (distribution.Manifest, distribution.Descriptor, error) {
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m := new(schema2.DeserializedManifest)
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err := m.UnmarshalJSON(b)
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if err != nil {
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return nil, distribution.Descriptor{}, err
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}
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dgst := digest.FromBytes(b)
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return m, distribution.Descriptor{Digest: dgst, Size: int64(len(b)), MediaType: ocispec.MediaTypeImageManifest}, err
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}
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err := distribution.RegisterManifestSchema(ocispec.MediaTypeImageManifest, ocischemaFunc)
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if err != nil {
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panic(fmt.Sprintf("Unable to register manifest: %s", err))
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}
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manifestListFunc := func(b []byte) (distribution.Manifest, distribution.Descriptor, error) {
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m := new(manifestlist.DeserializedManifestList)
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err := m.UnmarshalJSON(b)
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if err != nil {
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return nil, distribution.Descriptor{}, err
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}
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dgst := digest.FromBytes(b)
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return m, distribution.Descriptor{Digest: dgst, Size: int64(len(b)), MediaType: ocispec.MediaTypeImageIndex}, err
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}
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err = distribution.RegisterManifestSchema(ocispec.MediaTypeImageIndex, manifestListFunc)
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if err != nil {
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panic(fmt.Sprintf("Unable to register manifest: %s", err))
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}
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}
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