fix syntax error missing $

.gitlab-ci.yml

@@ -440,5 +440,5 @@ deploy_ood_node:
         openstack server add floating ip $OOD_INSTANCE_ID $OOD_FLOATING_IP
       done
   rules:
-    - if: $PIPELINE_TARGET == "deploy" && ($OOD_IMAGE_ID || BUILT_OOD_IMAGE_ID)
+    - if: $PIPELINE_TARGET == "deploy" && ($OOD_IMAGE_ID || $BUILT_OOD_IMAGE_ID)
       when: always