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Move Manifest type into storage package

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This changeset move the Manifest type into the storage package to make the type
accessible to client and registry without import cycles. The structure of the
manifest was also changed to accuratle reflect the stages of the signing
process. A straw man Manifest.Sign method has been added to start testing this
concept out but will probably be accompanied by the more import
SignedManifest.Verify method as the security model develops.

This is probably the start of a concerted effort to consolidate types across
the client and server portions of the code base but we may want to see how such
a handy type, like the Manifest and SignedManifest, would work in docker core.
This commit is contained in:
Stephen J Day 2014-11-21 19:29:08 -08:00
parent 4bbabc6e36
commit eaadb82e1e
9 changed files with 179 additions and 108 deletions
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12
client/objectstore.go
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@ -8,8 +8,8 @@ import (
"io/ioutil"
"sync"
"github.com/docker/docker-registry"
"github.com/docker/docker-registry/digest"
"github.com/docker/docker-registry/storage"
)
var (
@ -28,11 +28,11 @@ var (
type ObjectStore interface {
// Manifest retrieves the image manifest stored at the given repository name
// and tag
Manifest(name, tag string) (*registry.ImageManifest, error)
Manifest(name, tag string) (*storage.SignedManifest, error)
// WriteManifest stores an image manifest at the given repository name and
// tag
WriteManifest(name, tag string, manifest *registry.ImageManifest) error
WriteManifest(name, tag string, manifest *storage.SignedManifest) error
// Layer returns a handle to a layer for reading and writing
Layer(dgst digest.Digest) (Layer, error)
@ -56,11 +56,11 @@ type Layer interface {
// memoryObjectStore is an in-memory implementation of the ObjectStore interface
type memoryObjectStore struct {
mutex *sync.Mutex
manifestStorage map[string]*registry.ImageManifest
manifestStorage map[string]*storage.SignedManifest
layerStorage map[digest.Digest]Layer
}
func (objStore *memoryObjectStore) Manifest(name, tag string) (*registry.ImageManifest, error) {
func (objStore *memoryObjectStore) Manifest(name, tag string) (*storage.SignedManifest, error) {
objStore.mutex.Lock()
defer objStore.mutex.Unlock()
@ -71,7 +71,7 @@ func (objStore *memoryObjectStore) Manifest(name, tag string) (*registry.ImageMa
return manifest, nil
}
func (objStore *memoryObjectStore) WriteManifest(name, tag string, manifest *registry.ImageManifest) error {
func (objStore *memoryObjectStore) WriteManifest(name, tag string, manifest *storage.SignedManifest) error {
objStore.mutex.Lock()
defer objStore.mutex.Unlock()