2018-02-07 20:52:47 +00:00
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package images // import "github.com/docker/docker/daemon/images"
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2016-04-07 21:29:18 +00:00
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import (
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2017-01-26 00:54:18 +00:00
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"github.com/docker/distribution/reference"
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2016-04-07 21:29:18 +00:00
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"github.com/docker/docker/image"
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)
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// TagImage creates the tag specified by newTag, pointing to the image named
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// imageName (alternatively, imageName can also be an image ID).
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2018-02-07 20:52:47 +00:00
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func (i *ImageService) TagImage(imageName, repository, tag string) (string, error) {
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2020-03-19 20:54:48 +00:00
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img, err := i.GetImage(imageName, nil)
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2016-04-07 21:29:18 +00:00
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if err != nil {
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2018-02-09 23:24:57 +00:00
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return "", err
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2016-04-07 21:29:18 +00:00
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}
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2017-01-26 00:54:18 +00:00
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newTag, err := reference.ParseNormalizedNamed(repository)
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2016-04-07 21:29:18 +00:00
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if err != nil {
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return "", err
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}
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if tag != "" {
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2017-01-26 00:54:18 +00:00
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if newTag, err = reference.WithTag(reference.TrimNamed(newTag), tag); err != nil {
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2018-02-09 23:24:57 +00:00
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return "", err
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2016-04-07 21:29:18 +00:00
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}
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}
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2018-02-14 20:19:37 +00:00
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err = i.TagImageWithReference(img.ID(), newTag)
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2018-02-09 23:24:57 +00:00
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return reference.FamiliarString(newTag), err
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2016-04-07 21:29:18 +00:00
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}
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// TagImageWithReference adds the given reference to the image ID provided.
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2018-02-07 20:52:47 +00:00
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func (i *ImageService) TagImageWithReference(imageID image.ID, newTag reference.Named) error {
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2018-02-02 22:18:46 +00:00
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if err := i.referenceStore.AddTag(newTag, imageID.Digest(), true); err != nil {
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2016-04-07 21:29:18 +00:00
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return err
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}
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2018-02-02 22:18:46 +00:00
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if err := i.imageStore.SetLastUpdated(imageID); err != nil {
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2017-03-02 20:47:02 +00:00
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return err
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}
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2018-02-02 22:18:46 +00:00
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i.LogImageEvent(imageID.String(), reference.FamiliarString(newTag), "tag")
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2016-04-07 21:29:18 +00:00
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return nil
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}
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