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35 lines
718 B
Go
35 lines
718 B
Go
package contentutil
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import (
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"net/url"
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"strings"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/reference"
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)
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func HasSource(info content.Info, refspec reference.Spec) (bool, error) {
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u, err := url.Parse("dummy://" + refspec.Locator)
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if err != nil {
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return false, err
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}
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if info.Labels == nil {
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return false, nil
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}
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source, target := u.Hostname(), strings.TrimPrefix(u.Path, "/")
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repoLabel, ok := info.Labels["containerd.io/distribution.source."+source]
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if !ok || repoLabel == "" {
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return false, nil
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}
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for _, repo := range strings.Split(repoLabel, ",") {
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// the target repo is not a candidate
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if repo == target {
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return true, nil
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}
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}
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return false, nil
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}
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