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when pulling image to cache, if it is missing target arch, indicate an error

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Signed-off-by: Avi Deitcher <avi@deitcher.net>
This commit is contained in:
Avi Deitcher 2023-12-15 14:49:07 +02:00
parent e115ce8dca
commit 821dddcffc
1 changed files with 17 additions and 1 deletions
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18
src/cmd/linuxkit/cache/write.go vendored
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@ -83,7 +83,23 @@ func (p *Provider) ImagePull(ref *reference.Spec, trustedRef, architecture strin
// first attempt as an index
ii, err := desc.ImageIndex()
if err == nil {
log.Debugf("ImageWrite retrieved %s is index, saving", pullImageName)
log.Debugf("ImageWrite retrieved %s is index, saving, first checking if it contains target arch %s", pullImageName, architecture)
im, err := ii.IndexManifest()
if err != nil {
return ImageSource{}, fmt.Errorf("unable to get IndexManifest: %v", err)
}
// only useful if it contains our architecture
var foundArch bool
for _, m := range im.Manifests {
if m.MediaType.IsImage() && m.Platform != nil && m.Platform.Architecture == architecture && m.Platform.OS == linux {
foundArch = true
break
}
}
if !foundArch {
return ImageSource{}, fmt.Errorf("index %s does not contain target architecture %s", pullImageName, architecture)
}
if err := p.cache.WriteIndex(ii); err != nil {
return ImageSource{}, fmt.Errorf("unable to write index: %v", err)
}