4a0704cdbd
The source of a tag operation is allowed to be a 64-character hex string. This means it should use ParseAnyReference for validation instead of ParseNormalizedNamed. This fixes a regression that happened in 17.04. Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
37 lines
1 KiB
Go
37 lines
1 KiB
Go
package client
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import (
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"net/url"
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"github.com/docker/distribution/reference"
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"github.com/pkg/errors"
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"golang.org/x/net/context"
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)
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// ImageTag tags an image in the docker host
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func (cli *Client) ImageTag(ctx context.Context, source, target string) error {
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if _, err := reference.ParseAnyReference(source); err != nil {
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return errors.Wrapf(err, "Error parsing reference: %q is not a valid repository/tag", source)
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}
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ref, err := reference.ParseNormalizedNamed(target)
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if err != nil {
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return errors.Wrapf(err, "Error parsing reference: %q is not a valid repository/tag", target)
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}
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if _, isCanonical := ref.(reference.Canonical); isCanonical {
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return errors.New("refusing to create a tag with a digest reference")
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}
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ref = reference.TagNameOnly(ref)
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query := url.Values{}
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query.Set("repo", reference.FamiliarName(ref))
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if tagged, ok := ref.(reference.Tagged); ok {
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query.Set("tag", tagged.Tag())
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}
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resp, err := cli.post(ctx, "/images/"+source+"/tag", query, nil, nil)
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ensureReaderClosed(resp)
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return err
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}
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