48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
#!/usr/bin/python
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from charms.reactive import RelationBase
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from charms.reactive import hook
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from charms.reactive import scopes
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class EtcdProvider(RelationBase):
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scope = scopes.GLOBAL
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@hook('{provides:etcd}-relation-{joined,changed}')
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def joined_or_changed(self):
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''' Set the connected state from the provides side of the relation. '''
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self.set_state('{relation_name}.connected')
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@hook('{provides:etcd}-relation-{broken,departed}')
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def broken_or_departed(self):
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'''Remove connected state from the provides side of the relation. '''
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conv = self.conversation()
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if len(conv.units) == 1:
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conv.remove_state('{relation_name}.connected')
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def set_client_credentials(self, key, cert, ca):
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''' Set the client credentials on the global conversation for this
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relation. '''
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self.set_remote('client_key', key)
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self.set_remote('client_ca', ca)
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self.set_remote('client_cert', cert)
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def set_connection_string(self, connection_string, version=''):
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''' Set the connection string on the global conversation for this
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relation. '''
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# Note: Version added as a late-dependency for 2 => 3 migration
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# If no version is specified, consumers should presume etcd 2.x
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self.set_remote('connection_string', connection_string)
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self.set_remote('version', version)
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