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66 lines
2.0 KiB
66 lines
2.0 KiB
1 year ago
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// Copyright 2018 Google LLC All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package crane
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import (
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"fmt"
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"github.com/google/go-containerregistry/pkg/name"
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v1 "github.com/google/go-containerregistry/pkg/v1"
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"github.com/google/go-containerregistry/pkg/v1/remote"
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"github.com/google/go-containerregistry/pkg/v1/tarball"
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)
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// Load reads the tarball at path as a v1.Image.
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func Load(path string, opt ...Option) (v1.Image, error) {
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return LoadTag(path, "")
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}
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// LoadTag reads a tag from the tarball at path as a v1.Image.
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// If tag is "", will attempt to read the tarball as a single image.
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func LoadTag(path, tag string, opt ...Option) (v1.Image, error) {
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if tag == "" {
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return tarball.ImageFromPath(path, nil)
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}
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o := makeOptions(opt...)
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t, err := name.NewTag(tag, o.Name...)
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if err != nil {
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return nil, fmt.Errorf("parsing tag %q: %w", tag, err)
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}
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return tarball.ImageFromPath(path, &t)
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}
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// Push pushes the v1.Image img to a registry as dst.
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func Push(img v1.Image, dst string, opt ...Option) error {
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o := makeOptions(opt...)
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tag, err := name.ParseReference(dst, o.Name...)
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if err != nil {
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return fmt.Errorf("parsing reference %q: %w", dst, err)
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}
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return remote.Write(tag, img, o.Remote...)
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}
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// Upload pushes the v1.Layer to a given repo.
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func Upload(layer v1.Layer, repo string, opt ...Option) error {
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o := makeOptions(opt...)
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ref, err := name.NewRepository(repo, o.Name...)
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if err != nil {
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return fmt.Errorf("parsing repo %q: %w", repo, err)
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}
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return remote.WriteLayer(ref, layer, o.Remote...)
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}
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