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layout.go
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layout.go
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/*
* Copyright (c) 2019-Present Pivotal Software, Inc. All rights reserved.
*
* 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.
*/
package registry
import (
"github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/layout"
"github.com/pivotal/image-relocation/pkg/image"
)
// A Layout allows a registry client to interact with an OCI image layout on disk.
type Layout interface {
// Add adds the image at the given image reference to the layout and returns the image's digest.
Add(n image.Name) (image.Digest, error)
// Push pushes the image with the given digest from the layout to the given image reference.
Push(digest image.Digest, name image.Name) error
// Find returns the digest of an image in the layout with the given image reference.
Find(n image.Name) (image.Digest, error)
}
type LayoutPath interface {
AppendImage(img v1.Image, options ...layout.Option) error
AppendIndex(ii v1.ImageIndex, options ...layout.Option) error
ImageIndex() (v1.ImageIndex, error)
}