74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
# Copyright 2018 Canonical Ltd
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#
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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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# the reactive framework unfortunately does not grok `import as` in conjunction
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# with decorators on class instance methods, so we have to revert to `from ...`
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# imports
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from charms.reactive import Endpoint, clear_flag, set_flag, when_any, when_not
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class BarbicanSecretsRequires(Endpoint):
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"""This is the Barbican 'end' of the relation."""
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@when_any('endpoint.{endpoint_name}.changed.name',
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'endpoint.{endpoint_name}.changed.reference',
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'endpoint.{endpoint_name}.changed.data')
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def new_plugin(self):
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set_flag(
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self.expand_name('{endpoint_name}.new-plugin'))
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clear_flag(
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self.expand_name('{endpoint_name}.changed.name'))
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clear_flag(
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self.expand_name('{endpoint_name}.changed.reference'))
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clear_flag(
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self.expand_name('{endpoint_name}.changed.data'))
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@when_not('endpoint.{endpoint_name}.joined')
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def broken(self):
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clear_flag(
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self.expand_name('{endpoint_name}.new-plugin'))
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@property
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def plugins(self):
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for relation in self.relations:
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for unit in relation.units:
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name = unit.received['name']
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reference = unit.received['reference']
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data = unit.received['data']
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if not (name and data):
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continue
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yield {
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'name': name,
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'reference': reference,
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'data': data,
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'relation_id': relation.relation_id,
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'remote_unit_name': unit.unit_name,
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}
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@property
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def plugins_string(self):
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def plugin_name_or_reference():
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for relation in self.relations:
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for unit in relation.units:
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name = unit.received['name']
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reference = unit.received['reference']
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data = unit.received['data']
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if not (name and data):
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continue
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if reference:
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yield reference
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else:
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yield name + '_plugin'
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return ','.join(plugin_name_or_reference())
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