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Merge pull request #2717 from dmcgowan/diff-set-uncompressed-label

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Set uncompressed label on diff when already exists
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Michael Crosby 2018-10-15 15:16:21 -04:00 committed by GitHub
commit 3f5e6cdeaa
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1 changed files with 10 additions and 1 deletions
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11
diff/walking/differ.go
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@ -41,6 +41,7 @@ type walkingDiff struct {
}
var emptyDesc = ocispec.Descriptor{}
var uncompressed = "containerd.io/uncompressed"
// NewWalkingDiff is a generic implementation of diff.Comparer. The diff is
// calculated by mounting both the upper and lower mount sets and walking the
@ -125,7 +126,7 @@ func (s *walkingDiff) Compare(ctx context.Context, lower, upper []mount.Mount, o
if config.Labels == nil {
config.Labels = map[string]string{}
}
config.Labels["containerd.io/uncompressed"] = dgstr.Digest().String()
config.Labels[uncompressed] = dgstr.Digest().String()
} else {
if err = archive.WriteDiff(ctx, cw, lowerRoot, upperRoot); err != nil {
return errors.Wrap(err, "failed to write diff")
@ -149,6 +150,14 @@ func (s *walkingDiff) Compare(ctx context.Context, lower, upper []mount.Mount, o
return errors.Wrap(err, "failed to get info from content store")
}
// Set uncompressed label if digest already existed without label
if _, ok := info.Labels[uncompressed]; !ok {
info.Labels[uncompressed] = config.Labels[uncompressed]
if _, err := s.store.Update(ctx, info, "labels."+uncompressed); err != nil {
return errors.Wrap(err, "error setting uncompressed label")
}
}
ocidesc = ocispec.Descriptor{
MediaType: config.MediaType,
Size: info.Size,