add workspaceID check

internal/k8s/workspace.go

@@ -137,10 +137,8 @@ func CreateWorkspace(req *WorkspaceRequest) error {
 }
 
 func DeleteWorkspace(clientset *kubernetes.Clientset, namespace, workspaceID string) error {
-	// Delete StatefulSet
+	// Delete StatefulSet with svc but not pvc.
 	deletePolicy := metav1.DeletePropagationBackground
-	// TODO
-	// Maybe not delete pvc?
 	err := clientset.AppsV1().StatefulSets(namespace).Delete(context.TODO(), workspaceID, metav1.DeleteOptions{
 		PropagationPolicy: &deletePolicy,
 	})