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Move layer interface definitions to distribution package

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After consideration, it has been decided that the interfaces defined in the
storage package provide a good base for interacting with various registry
instances. Whether interacting with a remote API or a local, on-disk registry,
these types have proved flexible. By moving them here, they can become the
central components of interacting with distribution components.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2015-02-11 16:49:49 -08:00
parent 5a0f1ceeef
commit 553d48d618
20 changed files with 113 additions and 265 deletions
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9
docs/storage/registry.go
View file

@ -1,6 +1,7 @@
package storage
import (
"github.com/docker/distribution"
storagedriver "github.com/docker/distribution/registry/storage/driver"
"golang.org/x/net/context"
)
@ -16,7 +17,7 @@ type registry struct {
// NewRegistryWithDriver creates a new registry instance from the provided
// driver. The resulting registry may be shared by multiple goroutines but is
// cheap to allocate.
func NewRegistryWithDriver(driver storagedriver.StorageDriver) Registry {
func NewRegistryWithDriver(driver storagedriver.StorageDriver) distribution.Registry {
bs := &blobStore{}
reg := &registry{
@ -35,7 +36,7 @@ func NewRegistryWithDriver(driver storagedriver.StorageDriver) Registry {
// Repository returns an instance of the repository tied to the registry.
// Instances should not be shared between goroutines but are cheap to
// allocate. In general, they should be request scoped.
func (reg *registry) Repository(ctx context.Context, name string) Repository {
func (reg *registry) Repository(ctx context.Context, name string) distribution.Repository {
return &repository{
ctx: ctx,
registry: reg,
@ -58,7 +59,7 @@ func (repo *repository) Name() string {
// Manifests returns an instance of ManifestService. Instantiation is cheap and
// may be context sensitive in the future. The instance should be used similar
// to a request local.
func (repo *repository) Manifests() ManifestService {
func (repo *repository) Manifests() distribution.ManifestService {
return &manifestStore{
repository: repo,
revisionStore: &revisionStore{
@ -73,7 +74,7 @@ func (repo *repository) Manifests() ManifestService {
// Layers returns an instance of the LayerService. Instantiation is cheap and
// may be context sensitive in the future. The instance should be used similar
// to a request local.
func (repo *repository) Layers() LayerService {
func (repo *repository) Layers() distribution.LayerService {
return &layerStore{
repository: repo,
}