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builder-next: relax second cache key requirements for schema1 

Schema1 images can not have a config based cache key
before the layers are pulled. Avoid validation and reuse
manifest digest as a second key.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2021-05-11 14:19:57 -07:00
parent 9f2b33f75c
commit 85167fc634
1 changed files with 2 additions and 2 deletions
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4
builder/builder-next/adapters/containerimage/pull.go
View File

@ -333,12 +333,12 @@ func (p *puller) CacheKey(ctx context.Context, g session.Group, index int) (stri
return dgst.String(), nil, false, nil
}
if len(p.config) == 0 {
if len(p.config) == 0 && p.desc.MediaType != images.MediaTypeDockerSchema1Manifest {
return "", nil, false, errors.Errorf("invalid empty config file resolved for %s", p.src.Reference.String())
}
k := cacheKeyFromConfig(p.config).String()
if k == "" {
if k == "" || p.desc.MediaType == images.MediaTypeDockerSchema1Manifest {
dgst, err := p.mainManifestKey(p.platform)
if err != nil {
return "", nil, false, err