Function validate_node_labels

python/ray/_private/label_utils.py:111–120

(labels: Dict[str, str])

# TODO (ryanaoleary@): This function will be removed after the migration to the label
# selector API from NodeLabelSchedulingPolicy is complete.
def validate_node_labels(labels: Dict[str, str]):
    if labels is None:
        return
    for key in labels.keys():
        if key.startswith(ray_constants.RAY_DEFAULT_LABEL_KEYS_PREFIX):
            raise ValueError(
                f"Custom label keys `{key}` cannot start with the prefix "
                f"`{ray_constants.RAY_DEFAULT_LABEL_KEYS_PREFIX}`. "
                f"This is reserved for Ray defined labels."
            )


def validate_label_key(key: str) -> Optional[str]: