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retag.go
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retag.go
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// 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 models
import (
"fmt"
"strings"
)
// RetagRequest gives the source image and target image of retag
type RetagRequest struct {
Tag string `json:"tag"` // The new tag
SrcImage string `json:"src_image"` // Source images in format <project>/<repo>:<reference>
Override bool `json:"override"` // If target tag exists, whether override it
}
// Image holds each part (project, repo, tag) of an image name
type Image struct {
Project string
Repo string
Tag string
}
// ParseImage parses an image name such as 'library/app:v1.0' to a structure with
// project, repo, and tag fields
func ParseImage(image string) (*Image, error) {
repo := strings.SplitN(image, "/", 2)
if len(repo) < 2 {
return nil, fmt.Errorf("unable to parse image from string: %s", image)
}
i := strings.SplitN(repo[1], ":", 2)
res := &Image{
Project: repo[0],
Repo: i[0],
}
if len(i) == 2 {
res.Tag = i[1]
}
return res, nil
}