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Store wrap the content store, we can use Store to complete custom feature. Such as call the UpdateTime in content store ReaderAt. We also move the newStore and NewDB to newContent. Signed-off-by: Yadong Ding <ding_yadong@foxmail.com>
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| Original file line number | Diff line number | Diff line change |
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| // Copyright Project Harbor Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| package content | ||
|
|
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| import ( | ||
| "context" | ||
|
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| containerdContent "github.com/containerd/containerd/content" | ||
| "github.com/containerd/containerd/content/local" | ||
| "github.com/opencontainers/go-digest" | ||
| ocispec "github.com/opencontainers/image-spec/specs-go/v1" | ||
| ) | ||
|
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| // Store wrap the content store to complete custom feature | ||
| type Store struct { | ||
| // store is content store | ||
| store containerdContent.Store | ||
| // content is related to database | ||
| content *Content | ||
| } | ||
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| // newStore returns a content store | ||
| func newStore(contentDir string) (*Store, error) { | ||
| store, err := local.NewLabeledStore(contentDir, newMemoryLabelStore()) | ||
| return &Store{ | ||
| store: store, | ||
| }, err | ||
| } | ||
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| func (store *Store) Init(content *Content) { | ||
| store.content = content | ||
| } | ||
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| func (store *Store) Info(ctx context.Context, dgst digest.Digest) (containerdContent.Info, error) { | ||
| return store.store.Info(ctx, dgst) | ||
| } | ||
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| func (store *Store) Update(ctx context.Context, info containerdContent.Info, fieldpaths ...string) (containerdContent.Info, error) { | ||
| return store.store.Update(ctx, info, fieldpaths...) | ||
| } | ||
|
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| func (store *Store) Walk(ctx context.Context, fn containerdContent.WalkFunc, filters ...string) error { | ||
| return store.store.Walk(ctx, fn, filters...) | ||
| } | ||
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| func (store *Store) Delete(ctx context.Context, dgst digest.Digest) error { | ||
| return store.store.Delete(ctx, dgst) | ||
| } | ||
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| func (store *Store) ReaderAt(ctx context.Context, desc ocispec.Descriptor) (containerdContent.ReaderAt, error) { | ||
| readerAt, err := store.store.ReaderAt(ctx, desc) | ||
| if err != nil { | ||
| return readerAt, err | ||
| } | ||
| return readerAt, store.content.UpdateTime(&desc.Digest) | ||
| } | ||
|
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| func (store *Store) Status(ctx context.Context, ref string) (containerdContent.Status, error) { | ||
| return store.store.Status(ctx, ref) | ||
| } | ||
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| func (store *Store) ListStatuses(ctx context.Context, filters ...string) ([]containerdContent.Status, error) { | ||
| return store.store.ListStatuses(ctx, filters...) | ||
| } | ||
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| func (store *Store) Abort(ctx context.Context, ref string) error { | ||
| return store.store.Abort(ctx, ref) | ||
| } | ||
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| func (store *Store) Writer(ctx context.Context, opts ...containerdContent.WriterOpt) (containerdContent.Writer, error) { | ||
| return store.store.Writer(ctx, opts...) | ||
| } |