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* Feat: check existence of an image Checked existence of an image in - public docker hub - private image registry Add an API to retrieve image registry secrets by an image and or its tag. In veluaUX, it will help auto-fill uesrs' imagePullSecrets fields Fix https://github.com/kubevela/velaux/issues/436 Signed-off-by: Zheng Xi Zhou <zzxwill@gmail.com> * replace the implementation with libary google/go-containerregistry Signed-off-by: Zheng Xi Zhou <zzxwill@gmail.com> * address comments Signed-off-by: Zheng Xi Zhou <zzxwill@gmail.com> * add more testcases Signed-off-by: Zheng Xi Zhou <zzxwill@gmail.com> * fix UT Signed-off-by: Zheng Xi Zhou <zzxwill@gmail.com>
90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
/*
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Copyright 2022 The KubeVela Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package image
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import (
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"github.com/google/go-containerregistry/pkg/authn"
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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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// Meta is the struct for image metadata
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type Meta struct {
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Registry string
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Repository string
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Name string
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Tag string
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}
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// DockerHubImageTagResponse is the struct for docker hub image tag response
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type DockerHubImageTagResponse struct {
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Count int `json:"count"`
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Results []Result
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}
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// Result is the struct for docker hub image tag result
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type Result struct {
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Name string `json:"name"`
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}
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// IsExisted checks whether a public or private image exists
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func IsExisted(username, password, image string) (bool, error) {
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ref, err := name.ParseReference(image)
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if err != nil {
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return false, err
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}
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var img v1.Image
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if username != "" || password != "" {
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basic := &authn.Basic{
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Username: username,
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Password: password,
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}
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option := remote.WithAuth(basic)
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img, err = remote.Image(ref, option)
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if err != nil {
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return false, err
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}
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} else {
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img, err = remote.Image(ref)
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if err != nil {
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return false, err
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}
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}
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_, err = img.Digest()
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if err != nil {
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return false, err
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}
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_, err = img.Manifest()
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if err != nil {
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return false, err
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}
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return true, nil
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}
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// RegistryMeta is the struct for registry metadata
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type RegistryMeta struct {
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Username string `json:"username"`
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Password string `json:"password"`
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}
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