github.com/sealerio/sealer@v0.11.1-0.20240507115618-f4f89c5853ae/pkg/imageengine/buildah/tag.go (about)

     1  // Copyright © 2022 Alibaba Group Holding Ltd.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package buildah
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"github.com/sealerio/sealer/pkg/define/options"
    21  
    22  	"github.com/containers/common/libimage"
    23  	"github.com/pkg/errors"
    24  )
    25  
    26  func (engine *Engine) Tag(opts *options.TagOptions) error {
    27  	name := opts.ImageNameOrID
    28  	if len(name) == 0 {
    29  		return errors.New("at least the image name or id should be specified")
    30  	}
    31  	if len(opts.Tags) == 0 {
    32  		return errors.New("at least one new tag should be provided")
    33  	}
    34  
    35  	lookupOptions := &libimage.LookupImageOptions{ManifestList: true}
    36  	existImage, _, err := engine.ImageRuntime().LookupImage(name, lookupOptions)
    37  	if err != nil {
    38  		return fmt.Errorf("failed to lookup image: %v", err)
    39  	}
    40  
    41  	for _, tag := range opts.Tags {
    42  		if err := existImage.Tag(tag); err != nil {
    43  			return err
    44  		}
    45  	}
    46  
    47  	return nil
    48  }