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

68 lines
2.2 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 json
import uuid
from charms.reactive import RelationBase
from charms.reactive import hook
from charms.reactive import scopes
import charmhelpers.core.hookenv as hookenv
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)
def publish_releases_packages_map(self, releases_packages_map):
"""Publish releases_packages_map.
:param releases_packages_map: Map of releases and packages
:type releases_packages_map: Dict[str,Dict[str,List[str]]]
"""
# NOTE: To allow relation updates outside of relation hook execution,
# e.g. upgrade-charm hook, we need to revert to classic hookenv tools.
for rid in hookenv.relation_ids(self.relation_name):
relation_info = {
'releases-packages-map': json.dumps(
releases_packages_map, sort_keys=True)
}
hookenv.relation_set(rid, relation_info)