Merge pull request #35117 from johnstep/fix-windows-manifest-lists
Stop filtering Windows manifest lists by version
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commit
9ed0922683
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@ -65,52 +65,47 @@ func (ld *v2LayerDescriptor) open(ctx context.Context) (distribution.ReadSeekClo
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func filterManifests(manifests []manifestlist.ManifestDescriptor, os string) []manifestlist.ManifestDescriptor {
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osVersion := ""
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if os == "windows" {
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// TODO: Add UBR (Update Build Release) component after build
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version := system.GetOSVersion()
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osVersion = fmt.Sprintf("%d.%d.%d", version.MajorVersion, version.MinorVersion, version.Build)
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logrus.Debugf("will only match entries with version %s", osVersion)
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logrus.Debugf("will prefer entries with version %s", osVersion)
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}
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var matches []manifestlist.ManifestDescriptor
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for _, manifestDescriptor := range manifests {
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// TODO: Consider filtering out greater versions, including only greater UBR
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if manifestDescriptor.Platform.Architecture == runtime.GOARCH && manifestDescriptor.Platform.OS == os {
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if os == "windows" && !versionMatch(manifestDescriptor.Platform.OSVersion, osVersion) {
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logrus.Debugf("skipping %s", manifestDescriptor.Platform.OSVersion)
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continue
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}
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matches = append(matches, manifestDescriptor)
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logrus.Debugf("found match for %s/%s with media type %s, digest %s", os, runtime.GOARCH, manifestDescriptor.MediaType, manifestDescriptor.Digest.String())
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}
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}
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if os == "windows" {
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sort.Stable(manifestsByVersion(matches))
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sort.Stable(manifestsByVersion{osVersion, matches})
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}
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return matches
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}
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func versionMatch(actual, expected string) bool {
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// Check whether actual and expected are equivalent, or whether
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// expected is a version prefix of actual.
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return actual == "" || expected == "" || actual == expected || strings.HasPrefix(actual, expected+".")
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// Check whether the version matches up to the build, ignoring UBR
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return strings.HasPrefix(actual, expected+".")
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}
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type manifestsByVersion []manifestlist.ManifestDescriptor
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type manifestsByVersion struct {
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version string
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list []manifestlist.ManifestDescriptor
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}
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func (mbv manifestsByVersion) Less(i, j int) bool {
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if mbv[i].Platform.OSVersion == "" {
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return false
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}
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if mbv[j].Platform.OSVersion == "" {
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return true
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}
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// TODO: Split version by parts and compare
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// TODO: Prefer versions which have a greater version number
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return false
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// Move compatible versions to the top, with no other ordering changes
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return versionMatch(mbv.list[i].Platform.OSVersion, mbv.version) && !versionMatch(mbv.list[j].Platform.OSVersion, mbv.version)
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}
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func (mbv manifestsByVersion) Len() int {
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return len(mbv)
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return len(mbv.list)
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}
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func (mbv manifestsByVersion) Swap(i, j int) {
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mbv[i], mbv[j] = mbv[j], mbv[i]
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mbv.list[i], mbv.list[j] = mbv.list[j], mbv.list[i]
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}
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