85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
// Copyright 2022 The KubeSphere Authors.
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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 v2
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import (
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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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)
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type Registryer interface {
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// list repository tags
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ListRepositoryTags(image string) (RepositoryTags, error)
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// get image config
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Config(image string) (*v1.ConfigFile, error)
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}
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type registryer struct {
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opts options
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}
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func NewRegistryer(opts ...Option) *registryer {
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return ®istryer{
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opts: makeOptions(opts...),
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}
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}
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func (r *registryer) ListRepositoryTags(src string) (RepositoryTags, error) {
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repo, err := name.NewRepository(src, r.opts.name...)
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if err != nil {
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return RepositoryTags{}, err
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}
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tags, err := remote.List(repo, r.opts.remote...)
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if err != nil {
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return RepositoryTags{}, err
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}
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return RepositoryTags{
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Registry: repo.RegistryStr(),
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Repository: repo.RepositoryStr(),
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Tags: tags,
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}, nil
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}
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func (r *registryer) Config(image string) (*v1.ConfigFile, error) {
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img, _, err := r.getImage(image)
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if err != nil {
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return nil, err
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}
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configFile, err := img.ConfigFile()
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if err != nil {
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return nil, err
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}
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return configFile, nil
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}
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func (r *registryer) getImage(reference string) (v1.Image, name.Reference, error) {
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ref, err := name.ParseReference(reference, r.opts.name...)
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if err != nil {
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return nil, nil, err
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}
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img, err := remote.Image(ref, r.opts.remote...)
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if err != nil {
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return nil, nil, err
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}
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return img, ref, nil
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}
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