keystone.py 文件源码

def ks_exceptions(f):
    """Wraps keystoneclient functions and centralizes exception handling."""
    @six.wraps(f)
    def wrapper(*args, **kwargs):
        try:
            return f(*args, **kwargs)
        except kaexception.EndpointNotFound:
            service_type = kwargs.get('service_type', 'baremetal')
            endpoint_type = kwargs.get('endpoint_type', 'internal')
            raise exception.CatalogNotFound(
                service_type=service_type, endpoint_type=endpoint_type)
        except (kaexception.Unauthorized, kaexception.AuthorizationFailure):
            raise exception.KeystoneUnauthorized()
        except (kaexception.NoMatchingPlugin,
                kaexception.MissingRequiredOptions) as e:
            raise exception.ConfigInvalid(six.text_type(e))
        except Exception as e:
            LOG.exception('Keystone request failed: %(msg)s',
                          {'msg': six.text_type(e)})
            raise exception.KeystoneFailure(six.text_type(e))
    return wrapper