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Export storage.CreateOptions in top-level package

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Let the options for `BlobStore.Create()` be modified in middleware
wrappers.

Signed-off-by: Michal Minar <miminar@redhat.com>
This commit is contained in:
Michal Minář
2016-07-06 16:00:29 +02:00
committed by Michal Minar
parent 1fc752c718
commit 3f1434525b
4 changed files with 91 additions and 22 deletions
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13
registry/storage/linkedblobstore.go
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@@ -101,15 +101,6 @@ 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
// 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 {
@@ -120,7 +111,7 @@ 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.(*distribution.CreateOptions)
if !ok {
return fmt.Errorf("unexpected options type: %T", v)
}
@@ -136,7 +127,7 @@ 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 distribution.CreateOptions
for _, option := range options {
err := option.Apply(&opts)