Function validate_node_label_syntax

python/ray/_private/label_utils.py:185–193

(labels: Dict[str, str])

# TODO (ryanaoleary@): This function will replace `validate_node_labels` after
# the migration from NodeLabelSchedulingPolicy to the Label Selector API is complete.
def validate_node_label_syntax(labels: Dict[str, str]):
    if labels is None:
        return
    for key, value in labels.items():
        possible_error_message = validate_label_key(key)
        if possible_error_message:
            raise ValueError(possible_error_message)
        if value is not None:
            validate_label_value(value)


def validate_fallback_strategy(