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31 lines
874 B
Go
31 lines
874 B
Go
package docker
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import (
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"strings"
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"github.com/docker/distribution/reference"
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)
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// helper function parses the image and returns the
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// canonical image name, domain name, and whether or not
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// the image tag is :latest.
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func parseImage(s string) (canonical, domain string, latest bool, err error) {
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// parse the docker image name. We need to extract the
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// image domain name and match to registry credentials
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// stored in the .docker/config.json object.
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named, err := reference.ParseNormalizedNamed(s)
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if err != nil {
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return
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}
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// the canonical image name, for some reason, excludes
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// the tag name. So we need to make sure it is included
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// in the image name so we can determine if the :latest
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// tag is specified
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named = reference.TagNameOnly(named)
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return named.String(),
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reference.Domain(named),
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strings.HasSuffix(named.String(), ":latest"),
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nil
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}
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