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Merge pull request #2478 from thaJeztah/extract_resolve_digest

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build: loadInputs: extract resolving digest to a separate function
This commit is contained in:
Justin Chadwell
2024-05-29 11:00:54 +01:00
committed by GitHub
parent e3d5e64ec9 38d7d36f0a
commit 9ad116aa8e
1 changed files with 32 additions and 30 deletions
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62
build/opt.go
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@@ -493,44 +493,18 @@ func loadInputs(ctx context.Context, d *driver.DriverHandle, inp Inputs, addVCSL
// handle OCI layout
if strings.HasPrefix(v.Path, "oci-layout://") {
pathAlone := strings.TrimPrefix(v.Path, "oci-layout://")
localPath := pathAlone
localPath := strings.TrimPrefix(v.Path, "oci-layout://")
localPath, dig, hasDigest := strings.Cut(localPath, "@")
localPath, tag, hasTag := strings.Cut(localPath, ":")
if !hasTag {
tag = "latest"
}
idx := ociindex.NewStoreIndex(localPath)
if !hasDigest {
// lookup by name
desc, err := idx.Get(tag)
dig, err = resolveDigest(localPath, tag)
if err != nil {
return nil, err
}
if desc != nil {
dig = string(desc.Digest)
hasDigest = true
return nil, errors.Wrapf(err, "oci-layout reference %q could not be resolved", v.Path)
}
}
if !hasDigest {
// lookup single
desc, err := idx.GetSingle()
if err != nil {
return nil, err
}
if desc != nil {
dig = string(desc.Digest)
hasDigest = true
}
}
if !hasDigest {
return nil, errors.Errorf("oci-layout reference %q could not be resolved", v.Path)
}
_, err := digest.Parse(dig)
if err != nil {
return nil, errors.Wrapf(err, "invalid oci-layout digest %s", dig)
}
store, err := local.NewStore(localPath)
if err != nil {
return nil, errors.Wrapf(err, "invalid store at %s", localPath)
@@ -563,12 +537,40 @@ func loadInputs(ctx context.Context, d *driver.DriverHandle, inp Inputs, addVCSL
release := func() {
for _, dir := range toRemove {
os.RemoveAll(dir)
_ = os.RemoveAll(dir)
}
}
return release, nil
}
func resolveDigest(localPath, tag string) (dig string, _ error) {
idx := ociindex.NewStoreIndex(localPath)
// lookup by name
desc, err := idx.Get(tag)
if err != nil {
return "", err
}
if desc == nil {
// lookup single
desc, err = idx.GetSingle()
if err != nil {
return "", err
}
}
if desc == nil {
return "", errors.New("failed to resolve digest")
}
dig = string(desc.Digest)
_, err = digest.Parse(dig)
if err != nil {
return "", errors.Wrapf(err, "invalid digest %s", dig)
}
return dig, nil
}
func setLocalMount(name, root string, so *client.SolveOpt, addVCSLocalDir func(key, dir string, so *client.SolveOpt)) error {
lm, err := fsutil.NewFS(root)
if err != nil {