def create_node(ec, username, pl_user, pl_password, critical=True, hostname=None,
country=None, operatingSystem=None, minBandwidth=None, minCpu=None):
def create_node(ec, username, pl_user, pl_password, critical=True, hostname=None,
country=None, operatingSystem=None, minBandwidth=None, minCpu=None):