'Notify rule updated security groups.'

def security_groups_rule_updated(self, context, security_groups):

    if (not security_groups):
        return
    cctxt = self.client.prepare(version=self.SG_RPC_VERSION, topic=self._get_security_group_topic(), fanout=True)
    cctxt.cast(context, 'security_groups_rule_updated', security_groups=security_groups)
