'@inherits:  :class:`NodeDriver.__init__`
:param tenant_id: ID of tenant required for Cloudwatt auth
:type tenant_id: ``str``'

def __init__(self, key, secret, tenant_id, secure=True, tenant_name=None, host=None, port=None, **kwargs):

    self.ex_tenant_id = tenant_id
    self.extra = {}
    super(CloudwattNodeDriver, self).__init__(key=key, secret=secret, secure=secure, host=host, port=port, **kwargs)
