wip: oci image management

controller/blob.go

@@ -0,0 +1,27 @@
+package controller
+
+import (
+	"io"
+
+	"gitea.loveuer.com/loveuer/cluster/internal/registry/storage"
+)
+
+// GetBlob 获取 blob
+func GetBlob(store storage.Storage, repo, digest string) (io.ReadCloser, int64, error) {
+	return store.GetBlob(repo, digest)
+}
+
+// HeadBlob 检查 blob 是否存在并返回大小
+func HeadBlob(store storage.Storage, repo, digest string) (bool, int64, error) {
+	exists, err := store.BlobExists(repo, digest)
+	if err != nil || !exists {
+		return false, 0, err
+	}
+
+	size, err := store.GetBlobSize(repo, digest)
+	if err != nil {
+		return false, 0, err
+	}
+
+	return true, size, nil
+}