def __init__(self, ng_name):
    self.message = ("Node Group %s is missing 'floating_ip_pool' field" % ng_name)
    self.code = 'MISSING_FLOATING_NETWORK'
def __init__(self, ng_name):
    self.message = ("Node Group %s is missing 'floating_ip_pool' field" % ng_name)
    self.code = 'MISSING_FLOATING_NETWORK'