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Initial implementation of image manifest storage

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This change implements the first pass at image manifest storage on top of the
storagedriver. Very similar to LayerService, its much simpler due to less
complexity of pushing and pulling images.

Various components are still missing, such as detailed error reporting on
missing layers during verification, but the base functionality is present.
This commit is contained in:
Stephen J Day 2014-11-21 19:39:52 -08:00
parent eaadb82e1e
commit 4decfaa82e
6 changed files with 314 additions and 20 deletions
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17
storage/layer.go
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@ -8,23 +8,6 @@ import (
"github.com/docker/docker-registry/digest"
)
// LayerService provides operations on layer files in a backend storage.
type LayerService interface {
// Exists returns true if the layer exists.
Exists(name string, digest digest.Digest) (bool, error)
// Fetch the layer identifed by TarSum.
Fetch(name string, digest digest.Digest) (Layer, error)
// Upload begins a layer upload to repository identified by name,
// returning a handle.
Upload(name string) (LayerUpload, error)
// Resume continues an in progress layer upload, returning the current
// state of the upload.
Resume(uuid string) (LayerUpload, error)
}
// Layer provides a readable and seekable layer object. Typically,
// implementations are *not* goroutine safe.
type Layer interface {