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Splits up blob create options definitions to be package-specific

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Redefines privately in both storage and client packages

Signed-off-by: Brian Bland <brian.bland@docker.com>
This commit is contained in:
Brian Bland 2016-01-14 10:08:52 -08:00
parent e90578b27d
commit 67aef89bc0
3 changed files with 37 additions and 8 deletions
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34
docs/client/repository.go
View file

@ -18,7 +18,6 @@ import (
"github.com/docker/distribution/reference"
"github.com/docker/distribution/registry/api/v2"
"github.com/docker/distribution/registry/client/transport"
"github.com/docker/distribution/registry/storage"
"github.com/docker/distribution/registry/storage/cache"
"github.com/docker/distribution/registry/storage/cache/memory"
)
@ -573,8 +572,39 @@ func (bs *blobs) Put(ctx context.Context, mediaType string, p []byte) (distribut
return writer.Commit(ctx, desc)
}
// createOptions is a collection of blob creation modifiers relevant to general
// blob storage intended to be configured by the BlobCreateOption.Apply method.
type createOptions struct {
Mount struct {
ShouldMount bool
From reference.Canonical
}
}
type optionFunc func(interface{}) error
func (f optionFunc) Apply(v interface{}) error {
return f(v)
}
// WithMountFrom returns a BlobCreateOption which designates that the blob should be
// mounted from the given canonical reference.
func WithMountFrom(ref reference.Canonical) distribution.BlobCreateOption {
return optionFunc(func(v interface{}) error {
opts, ok := v.(*createOptions)
if !ok {
return fmt.Errorf("unexpected options type: %T", v)
}
opts.Mount.ShouldMount = true
opts.Mount.From = ref
return nil
})
}
func (bs *blobs) Create(ctx context.Context, options ...distribution.BlobCreateOption) (distribution.BlobWriter, error) {
var opts storage.CreateOptions
var opts createOptions
for _, option := range options {
err := option.Apply(&opts)

3
docs/client/repository_test.go
View file

@ -20,7 +20,6 @@ import (
"github.com/docker/distribution/manifest/schema1"
"github.com/docker/distribution/reference"
"github.com/docker/distribution/registry/api/errcode"
"github.com/docker/distribution/registry/storage"
"github.com/docker/distribution/testutil"
"github.com/docker/distribution/uuid"
"github.com/docker/libtrust"
@ -523,7 +522,7 @@ func TestBlobMount(t *testing.T) {
l := r.Blobs(ctx)
bw, err := l.Create(ctx, storage.WithMountFrom(canonicalRef))
bw, err := l.Create(ctx, WithMountFrom(canonicalRef))
if bw != nil {
t.Fatalf("Expected blob writer to be nil, was %v", bw)
}

8
docs/storage/linkedblobstore.go
View file

@ -97,9 +97,9 @@ func (lbs *linkedBlobStore) Put(ctx context.Context, mediaType string, p []byte)
return desc, lbs.linkBlob(ctx, desc)
}
// CreateOptions is a collection of blob creation modifiers relevant to general
// createOptions is a collection of blob creation modifiers relevant to general
// blob storage intended to be configured by the BlobCreateOption.Apply method.
type CreateOptions struct {
type createOptions struct {
Mount struct {
ShouldMount bool
From reference.Canonical
@ -116,7 +116,7 @@ func (f optionFunc) Apply(v interface{}) error {
// mounted from the given canonical reference.
func WithMountFrom(ref reference.Canonical) distribution.BlobCreateOption {
return optionFunc(func(v interface{}) error {
opts, ok := v.(*CreateOptions)
opts, ok := v.(*createOptions)
if !ok {
return fmt.Errorf("unexpected options type: %T", v)
}
@ -132,7 +132,7 @@ func WithMountFrom(ref reference.Canonical) distribution.BlobCreateOption {
func (lbs *linkedBlobStore) Create(ctx context.Context, options ...distribution.BlobCreateOption) (distribution.BlobWriter, error) {
context.GetLogger(ctx).Debug("(*linkedBlobStore).Writer")
var opts CreateOptions
var opts createOptions
for _, option := range options {
err := option.Apply(&opts)