charm-interface-keystone-admin/requires.py

65 lines
2.5 KiB
Python

#!/usr/bin/python
# 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 charms.reactive import RelationBase
from charms.reactive import hook
from charms.reactive import scopes
class KeystoneRequires(RelationBase):
scope = scopes.GLOBAL
# These remote data fields will be automatically mapped to accessors
# with a basic documentation string provided.
auto_accessors = ['private-address', 'service_host', 'service_protocol',
'service_port', 'service_tenant', 'service_username',
'service_password', 'service_tenant_id', 'auth_host',
'auth_protocol', 'auth_port', 'admin_token', 'ssl_key',
'ca_cert', 'ssl_cert', 'https_keystone',
'ssl_cert_admin', 'ssl_cert_internal',
'ssl_cert_public', 'ssl_key_admin', 'ssl_key_internal',
'ssl_key_public']
@hook('{requires:keystone}-relation-{joined,changed}')
def changed(self):
conv = self.conversation()
self.kst_data = self.auth_data_complete(conv)
if self.kst_data:
conv.set_state('{relation_name}.available')
else:
conv.remove_state('{relation_name}.available')
@hook('{requires:keystone}-relation-{broken,departed}')
def departed(self):
conv = self.conversation()
conv.remove_state('{relation_name}.available')
def auth_data_complete(self, conv):
data = {
'service_hostname': conv.get_remote('service_hostname'),
'service_port': conv.get_remote('service_port'),
'service_username': conv.get_remote('service_username'),
'service_password': conv.get_remote('service_password'),
'service_tenant_name': conv.get_remote('service_tenant_name')
}
if all(data.values()):
return data
return False
def credentials(self):
"""
Returns a dict of keystone admin credentials
"""
return self.kst_data