54 lines
1.8 KiB
Python
54 lines
1.8 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 BindRNDCRequires(RelationBase):
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scope = scopes.GLOBAL
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# These remote data fields will be automatically mapped to accessors
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# with a basic documentation string provided.
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auto_accessors = ['algorithm', 'rndckey', 'private-address']
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@hook('{requires:bind-rndc}-relation-joined')
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def joined(self):
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self.set_state('{relation_name}.connected')
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@hook('{requires:bind-rndc}-relation-changed')
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def changed(self):
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self.set_state('{relation_name}.connected')
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if self.data_complete():
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self.set_state('{relation_name}.available')
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@hook('{requires:bind-rndc}-relation-{broken,departed}')
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def departed_or_broken(self):
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self.remove_state('{relation_name}.connected')
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if not self.data_complete():
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self.remove_state('{relation_name}.available')
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def data_complete(self):
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"""
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Get the connection string, if available, or None.
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"""
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data = {
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'algorithm': self.algorithm(),
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'secret': self.rndckey(),
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'private_address': self.private_address(),
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}
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if all(data.values()):
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return True
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return False
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