55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
#!/usr/local/sbin/charm-env python3
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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 (
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Endpoint,
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toggle_flag,
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)
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from charmhelpers.core.hookenv import log
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class KubeMastersPeer(Endpoint):
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"""
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Implements peering for kubernetes-master units.
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"""
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def manage_flags(self):
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"""
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Set states corresponding to the data we have.
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"""
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toggle_flag(
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self.expand_name('{endpoint_name}.connected'),
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self.is_joined)
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toggle_flag(
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self.expand_name('{endpoint_name}.cohorts.ready'),
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self.is_joined and self._peers_have_cohorts())
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def _peers_have_cohorts(self):
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"""
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Return True if all peers have cohort keys.
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"""
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for unit in self.all_joined_units:
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if not unit.received.get('cohort-keys'):
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log('Unit {} does not yet have cohort-keys'.format(unit))
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return False
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log('All units have cohort-keys')
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return True
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def set_cohort_keys(self, cohort_keys):
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"""
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Send the cohort snapshot keys.
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"""
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for relation in self.relations:
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relation.to_publish['cohort-keys'] = cohort_keys
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