# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

from keystoneauth1.exceptions import base


__all__ = ('DiscoveryFailure',
           'VersionNotAvailable')


class DiscoveryFailure(base.ClientException):
    message = "Discovery of client versions failed."


class VersionNotAvailable(DiscoveryFailure):
    message = "Discovery failed. Requested version is not available."