coordinator.py 文件源码

def _save_state(self):
        self.msg('Publishing state'.format(self._name()))
        if hookenv.is_leader():
            # sort_keys to ensure stability.
            raw = json.dumps(self.grants, sort_keys=True)
            hookenv.leader_set({self.key: raw})

        local_unit = hookenv.local_unit()

        if self.relid is None:
            # No peers relation yet. Fallback to local state.
            self.msg('No peer relation. Saving local state')
            self._save_local_state(self.requests[local_unit])
        else:
            # sort_keys to ensure stability.
            raw = json.dumps(self.requests[local_unit], sort_keys=True)
            hookenv.relation_set(self.relid, relation_settings={self.key: raw})