charm-interface-keystone-do.../provides.py

50 lines
1.5 KiB
Python

# Copyright 2017 Canonical Ltd
#
# 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.
import uuid
from charms.reactive import RelationBase
from charms.reactive import hook
from charms.reactive import scopes
class KeystoneDomainBackendProvides(RelationBase):
scope = scopes.GLOBAL
@hook('{provides:keystone-domain-backend}-relation-joined')
def joined(self):
self.set_state('{relation_name}.connected')
@hook('{provides:keystone-domain-backend}-relation-{broken,departed}')
def departed(self):
self.remove_state('{relation_name}.connected')
def domain_name(self, name):
"""
Set the domain name for the identity backend
"""
relation_info = {
'domain-name': name,
}
self.set_remote(**relation_info)
def trigger_restart(self):
"""
Trigger a restart of keystone
"""
relation_info = {
'restart-nonce': str(uuid.uuid4())
}
self.set_remote(**relation_info)