def get_node_entity_id(api_client, proxy_ip=None):
    infrastructure_api = swagger_client.InfrastructureApi(api_client=api_client)
    node_list = infrastructure_api.list_nodes()
    for entity in node_list.results:
        node = infrastructure_api.get_node(id=entity.id)
        if proxy_ip == node.ip_address:
            return node.id
    return None
def get_proxy_ip(api_client, entity_id):
    infrastructure_api = swagger_client.InfrastructureApi(
        api_client=api_client)
    node = infrastructure_api.get_node(id=entity_id)
    return node.ip_address