working commit

2026-02-04 21:43:26 +02:00
parent 55e8abcdd3
commit 3900d93559
7 changed files with 340 additions and 68 deletions
@@ -0,0 +1,65 @@
+package operator
+
+import (
+	"mstore/app/descr"
+	"mstore/pkg/auxtool"
+	"mstore/pkg/auxuuid"
+
+	ocidigest "github.com/opencontainers/go-digest"
+	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
+)
+
+func descrsFromManifest(name, reference string, manifest *ocispec.Manifest, rawManifest []byte) (descr.Manifest, []descr.Blob, error) {
+	var err error
+	manifestDescr := descr.Manifest{}
+	//configDescr := descr.Blob{}
+	blobDescrs := make([]descr.Blob, 0)
+
+	timestamp := auxtool.TimeNow()
+
+	// Make manifest descriptor
+	manifestDigest := ocidigest.SHA256.FromBytes(rawManifest).String()
+	manifestDescr = descr.Manifest{
+		ID:          auxuuid.NewUUID(),
+		Name:        name,
+		Reference:   reference,
+		Digest:      manifestDigest,
+		ContentType: manifest.MediaType,
+		Payload:     string(rawManifest),
+		CreatedAt:   timestamp,
+		UpdatedAt:   timestamp,
+	}
+	// Make config descriptor
+	ociConfig := manifest.Config
+	configDescr := descr.Blob{
+		ID:        auxuuid.NewUUID(),
+		Name:      name,
+		Reference: reference,
+		MediaType: ociConfig.MediaType,
+		Digest:    string(ociConfig.Digest),
+		Size:      ociConfig.Size,
+		CreatedAt: timestamp,
+		UpdatedAt: timestamp,
+	}
+	blobDescrs = append(blobDescrs, configDescr)
+	// Make blob descriptions
+	layerMap := make(map[string]bool)
+	for _, layer := range manifest.Layers {
+		blobDescr := descr.Blob{
+			ID:        auxuuid.NewUUID(),
+			Name:      name,
+			Reference: reference,
+			MediaType: layer.MediaType,
+			Digest:    string(layer.Digest),
+			Size:      layer.Size,
+			CreatedAt: timestamp,
+			UpdatedAt: timestamp,
+		}
+		_, alreadyAdded := layerMap[string(layer.Digest)]
+		if !alreadyAdded {
+			blobDescrs = append(blobDescrs, blobDescr)
+			layerMap[string(layer.Digest)] = true
+		}
+	}
+	return manifestDescr, blobDescrs, err
+}