6a0d9ac42c
Following changes are done in this patch: * Add mandatory flag to relations handler classes default to False. * Add mandatory_relations to charm base classes to list all the mandatory relations. * update relation_handlers_ready based on mandatory_relations Change-Id: Ibc846461cf92a0a6501a15d03907c93ecdf90063
42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# Copyright 2022 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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"""Base classes for defining an OVN charm using the Operator framework."""
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from typing import List
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from . import relation_handlers as ovn_relation_handlers
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from .. import relation_handlers as sunbeam_rhandlers
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from .. import charm as sunbeam_charm
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class OSBaseOVNOperatorCharm(sunbeam_charm.OSBaseOperatorCharm):
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"""Base charms for OpenStack operators."""
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def get_relation_handlers(
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self, handlers: List[sunbeam_rhandlers.RelationHandler] = None
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) -> List[sunbeam_rhandlers.RelationHandler]:
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"""Relation handlers for the service."""
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handlers = handlers or []
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if self.can_add_handler("ovsdb-cms", handlers):
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self.ovsdb_cms = ovn_relation_handlers.OVSDBCMSRequiresHandler(
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self,
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"ovsdb-cms",
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self.configure_charm,
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"ovsdb-cms" in self.mandatory_relations,
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)
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handlers.append(self.ovsdb_cms)
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handlers = super().get_relation_handlers(handlers)
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return handlers
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