vbatts/registry
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

OCI media types; annotation support; oci index

Browse source 
Signed-off-by: Mike Brown <brownwm@us.ibm.com>
This commit is contained in:
Mike Brown 2017-07-11 14:19:47 -05:00
parent 6fcea22b0a
commit c94f28805e
11 changed files with 102 additions and 90 deletions
Download patch file Download diff file Expand all files Collapse all files

33
manifest/ocischema/manifest.go
View file

@ -8,32 +8,15 @@ import (
"github.com/docker/distribution"
"github.com/docker/distribution/manifest"
"github.com/opencontainers/go-digest"
)
const (
// MediaTypeManifest specifies the mediaType for the current version.
MediaTypeManifest = "application/vnd.oci.image.manifest.v1+json"
// MediaTypeConfig specifies the mediaType for the image configuration.
MediaTypeConfig = "application/vnd.oci.image.config.v1+json"
// MediaTypePluginConfig specifies the mediaType for plugin configuration.
MediaTypePluginConfig = "application/vnd.docker.plugin.v1+json"
// MediaTypeLayer is the mediaType used for layers referenced by the manifest.
MediaTypeLayer = "application/vnd.oci.image.layer.v1.tar+gzip"
// MediaTypeForeignLayer is the mediaType used for layers that must be
// downloaded from foreign URLs.
MediaTypeForeignLayer = "application/vnd.docker.image.rootfs.foreign.diff.tar.gzip"
"github.com/opencontainers/image-spec/specs-go/v1"
)
var (
// SchemaVersion provides a pre-initialized version structure for this
// packages version of the manifest.
SchemaVersion = manifest.Versioned{
SchemaVersion: 2, // Mike: todo this could confusing cause oci version 1 is closer to docker 2 than 1
MediaType: MediaTypeManifest,
SchemaVersion: 2, // TODO: (mikebrow/stevvooe) this could be confusing cause oci version 1 is closer to docker 2 than 1
MediaType: v1.MediaTypeImageManifest,
}
)
@ -46,15 +29,15 @@ func init() {
}
dgst := digest.FromBytes(b)
return m, distribution.Descriptor{Digest: dgst, Size: int64(len(b)), MediaType: MediaTypeManifest}, err
return m, distribution.Descriptor{Digest: dgst, Size: int64(len(b)), MediaType: v1.MediaTypeImageManifest}, err
}
err := distribution.RegisterManifestSchema(MediaTypeManifest, ocischemaFunc)
err := distribution.RegisterManifestSchema(v1.MediaTypeImageManifest, ocischemaFunc)
if err != nil {
panic(fmt.Sprintf("Unable to register manifest: %s", err))
}
}
// Manifest defines a schema2 manifest.
// Manifest defines a ocischema manifest.
type Manifest struct {
manifest.Versioned
@ -64,6 +47,9 @@ type Manifest struct {
// Layers lists descriptors for the layers referenced by the
// configuration.
Layers []distribution.Descriptor `json:"layers"`
// Annotations contains arbitrary metadata for the image manifest.
Annotations map[string]string `json:"annotations,omitempty"`
}
// References returnes the descriptors of this manifests references.
@ -71,6 +57,7 @@ func (m Manifest) References() []distribution.Descriptor {
references := make([]distribution.Descriptor, 0, 1+len(m.Layers))
references = append(references, m.Config)
references = append(references, m.Layers...)
// TODO: (mikebrow/stevvooe) should we return annotations as references
return references
}