[Core] Reuse OCI model artifacts by Hugging Face origin

pkg/constants/constants.go

@@ -424,8 +424,12 @@ const (
 	LLamaVllmFTServingServedModelNamePrefix = "/data"
 )
 
-// DefaultModelLocalMountPath is where models will be mounted by the storage-initializer
-const DefaultModelLocalMountPath = "/mnt/models"
+const (
+	// DefaultModelLocalMountPath is where models will be mounted by the storage-initializer.
+	DefaultModelLocalMountPath = "/mnt/models"
+	// ModelArtifactsDirectory is the node-local shared artifact directory under a model store.
+	ModelArtifactsDirectory = "_artifacts"
+)
 
 var (
 	ServiceAnnotationDisallowedList = []string{

pkg/modelagent/artifact_object_filter.go

@@ -0,0 +1,30 @@
+package modelagent
+
+import (
+	"strings"
+
+	"github.com/oracle/oci-go-sdk/v65/objectstorage"
+)
+
+func filterInternalArtifactObjectSummaries(objects []objectstorage.ObjectSummary) []objectstorage.ObjectSummary {
+	filtered := make([]objectstorage.ObjectSummary, 0, len(objects))
+	for _, object := range objects {
+		if object.Name != nil && isInternalArtifactObjectName(*object.Name) {
+			continue
+		}
+		filtered = append(filtered, object)
+	}
+	return filtered
+}
+
+func isInternalArtifactObjectName(objectName string) bool {
+	return isArtifactCompleteMarkerObjectName(objectName) || isArtifactUploadLockObjectName(objectName)
+}
+
+func isArtifactCompleteMarkerObjectName(objectName string) bool {
+	return objectName == artifactCompleteMarkerFileName || strings.HasSuffix(objectName, "/"+artifactCompleteMarkerFileName)
+}
+
+func isArtifactUploadLockObjectName(objectName string) bool {
+	return objectName == artifactUploadLockFileName || strings.HasSuffix(objectName, "/"+artifactUploadLockFileName)
+}