mirror of
https://github.com/goharbor/harbor.git
synced 2024-07-01 09:15:08 +02:00
96 lines
2.8 KiB
Go
96 lines
2.8 KiB
Go
// 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.
|
|
|
|
package utils
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/goharbor/harbor/src/common/models"
|
|
"github.com/goharbor/harbor/src/common/utils/log"
|
|
"github.com/goharbor/harbor/src/common/utils/registry"
|
|
|
|
"github.com/docker/distribution/manifest/schema1"
|
|
"github.com/docker/distribution/manifest/schema2"
|
|
)
|
|
|
|
// Retag tags an image to another
|
|
func Retag(srcImage, destImage *models.Image) error {
|
|
isSameRepo := getRepoName(srcImage) == getRepoName(destImage)
|
|
srcClient, err := NewRepositoryClientForUI("harbor-ui", getRepoName(srcImage))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
destClient := srcClient
|
|
if !isSameRepo {
|
|
destClient, err = NewRepositoryClientForUI("harbor-ui", getRepoName(destImage))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
_, exist, err := srcClient.ManifestExist(srcImage.Tag)
|
|
if err != nil {
|
|
log.Errorf("check existence of manifest '%s:%s' error: %v", srcClient.Name, srcImage.Tag, err)
|
|
return err
|
|
}
|
|
|
|
if !exist {
|
|
log.Errorf("source image %s:%s not found", srcClient.Name, srcImage.Tag)
|
|
return fmt.Errorf("image %s:%s not found", srcClient.Name, srcImage.Tag)
|
|
}
|
|
|
|
accepted := []string{schema1.MediaTypeManifest, schema2.MediaTypeManifest}
|
|
digest, mediaType, payload, err := srcClient.PullManifest(srcImage.Tag, accepted)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
manifest, _, err := registry.UnMarshal(mediaType, payload)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
destDigest, exist, err := destClient.ManifestExist(destImage.Tag)
|
|
if err != nil {
|
|
log.Errorf("check existence of manifest '%s:%s' error: %v", destClient.Name, destImage.Tag, err)
|
|
return err
|
|
}
|
|
if exist && destDigest == digest {
|
|
log.Infof("manifest of '%s:%s' already exist", destClient.Name, destImage.Tag)
|
|
return nil
|
|
}
|
|
|
|
if !isSameRepo {
|
|
for _, descriptor := range manifest.References() {
|
|
err := destClient.MountBlob(descriptor.Digest.String(), srcClient.Name)
|
|
if err != nil {
|
|
log.Errorf("mount blob '%s' error: %v", descriptor.Digest.String(), err)
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
|
|
if _, err = destClient.PushManifest(destImage.Tag, mediaType, payload); err != nil {
|
|
log.Errorf("push manifest '%s:%s' error: %v", destClient.Name, destImage.Tag, err)
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func getRepoName(image *models.Image) string {
|
|
return fmt.Sprintf("%s/%s", image.Project, image.Repo)
|
|
}
|