88 lines
3.1 KiB
Python
88 lines
3.1 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 (
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Endpoint,
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clear_flag,
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set_flag,
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when_all,
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when_not,
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)
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class DashboardPluginRequires(Endpoint):
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@when_all('endpoint.{endpoint_name}.joined',
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'endpoint.{endpoint_name}.changed.release',
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'endpoint.{endpoint_name}.changed.bin_path',
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'endpoint.{endpoint_name}.changed.openstack_dir')
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def joined(self):
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clear_flag(
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self.expand_name(
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'endpoint.{endpoint_name}.changed.release'))
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clear_flag(
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self.expand_name(
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'endpoint.{endpoint_name}.changed.bin_path'))
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clear_flag(
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self.expand_name(
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'endpoint.{endpoint_name}.changed.openstack_dir'))
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set_flag(self.expand_name('{endpoint_name}.available'))
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@when_not('endpoint.{endpoint_name}.joined')
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def broken(self):
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clear_flag(self.expand_name('{endpoint_name}.available'))
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@property
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def release(self):
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"""Retrieve the OpenStack release from principal
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:returns release: OpenStack release of principal
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:rtype release: str
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"""
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return self.all_joined_units.received.get('release')
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@property
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def bin_path(self):
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"""Retrieve bin_path property from principal charm
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:returns bin_path: bin_path property from principal charm
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:rtype bin_path: str
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"""
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return self.all_joined_units.received.get('bin_path')
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@property
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def openstack_dir(self):
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"""Retrieve openstack_dir property from principal charm
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:returns openstack_dir: openstack_dir property from principal charm
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:rtype openstack_dir: str
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"""
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return self.all_joined_units.received.get('openstack_dir')
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def publish_plugin_info(self, local_settings, priority):
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"""Publish information about our plugin to principal charm
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:parm local_settings: String is pasted verbatim into the
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local_settings.py of the principal.
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:type local_settings: str
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:param priority: Value used by principal to order the configuration
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blobs when multiple plugin subordinates are present.
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:type priority: str
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"""
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for relation in self.relations:
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relation.to_publish['local-settings'] = local_settings
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relation.to_publish['priority'] = priority
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