wip: oci image management

controller/manifest.go

@@ -0,0 +1,57 @@
+package controller
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+
+	"gitea.loveuer.com/loveuer/cluster/internal/registry/storage"
+)
+
+// GetManifest 获取 manifest
+func GetManifest(store storage.Storage, repo, reference string) ([]byte, string, string, error) {
+	data, mediaType, err := store.GetManifest(repo, reference)
+	if err != nil {
+		return nil, "", "", err
+	}
+
+	digest := calculateDigest(data)
+	return data, mediaType, digest, nil
+}
+
+// PutManifest 推送 manifest
+func PutManifest(store storage.Storage, repo, reference string, data []byte, mediaType string) (string, error) {
+	if err := store.PutManifest(repo, reference, data, mediaType); err != nil {
+		return "", err
+	}
+
+	digest := calculateDigest(data)
+	return digest, nil
+}
+
+// DeleteManifest 删除 manifest
+func DeleteManifest(store storage.Storage, repo, reference string) error {
+	return store.DeleteManifest(repo, reference)
+}
+
+// HeadManifest 检查 manifest 是否存在并返回元数据
+func HeadManifest(store storage.Storage, repo, reference string) (bool, []byte, string, string, error) {
+	exists, err := store.ManifestExists(repo, reference)
+	if err != nil || !exists {
+		return false, nil, "", "", err
+	}
+
+	// 获取 manifest 以设置正确的 headers
+	data, mediaType, err := store.GetManifest(repo, reference)
+	if err != nil {
+		return false, nil, "", "", err
+	}
+
+	digest := calculateDigest(data)
+	return true, data, mediaType, digest, nil
+}
+
+// calculateDigest 计算 SHA256 digest
+func calculateDigest(data []byte) string {
+	hash := sha256.Sum256(data)
+	return "sha256:" + hex.EncodeToString(hash[:])
+}