swift_utils.py 文件源码

def notify_leader_changed(self, token):
        """Notify peers that leader has changed.

        The token passed in must be that associated with the sync we claim to
        have been interrupted. It will be re-used by the restored leader once
        it receives this notification.

        NOTE: this action must only be performed by the cluster leader that
              has relinquished it's leader status as part of the current hook
              context.
        """
        if not is_elected_leader(SWIFT_HA_RES):
            errmsg = "Leader function called by non-leader"
            raise SwiftProxyCharmException(errmsg)

        rq = self.template()
        rq['trigger'] = str(uuid.uuid4())
        rq[self.KEY_NOTIFY_LEADER_CHANGED] = token
        return rq