mirror of https://github.com/kubernetes/kops.git
74 lines
1.7 KiB
Go
74 lines
1.7 KiB
Go
/*
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Copyright 2017 The Kubernetes 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 assets
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import (
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"fmt"
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"k8s.io/klog/v2"
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)
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// CopyImage copies a docker image from a source registry, to a target registry,
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// typically used for highly secure clusters.
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type CopyImage struct {
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Name string
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SourceImage string
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TargetImage string
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}
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func (e *CopyImage) Run() error {
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api, err := newDockerAPI()
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if err != nil {
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return err
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}
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cli, err := newDockerCLI()
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if err != nil {
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return err
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}
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source := e.SourceImage
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target := e.TargetImage
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klog.Infof("copying docker image from %q to %q", source, target)
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err = cli.pullImage(source)
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if err != nil {
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return fmt.Errorf("error pulling image %q: %v", source, err)
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}
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sourceImage, err := api.findImage(source)
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if err != nil {
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return fmt.Errorf("error finding image %q: %v", source, err)
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}
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if sourceImage == nil {
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return fmt.Errorf("source image %q not found", source)
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}
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err = api.tagImage(sourceImage.ID, target)
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if err != nil {
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return fmt.Errorf("error tagging image %q: %v", source, err)
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}
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err = cli.pushImage(target)
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if err != nil {
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return fmt.Errorf("error pushing image %q: %v", target, err)
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}
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return nil
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}
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