{% if zmq_host -%} # ZeroMQ configuration (restart-nonce: {{ zmq_nonce }}) rpc_backend = zmq rpc_zmq_host = {{ zmq_host }} {% if zmq_redis_address -%} rpc_zmq_matchmaker = oslo_messaging._drivers.matchmaker_redis.MatchMakerRedis matchmaker_heartbeat_freq = 15 matchmaker_heartbeat_ttl = 30 [matchmaker_redis] host = {{ zmq_redis_address }} {% else -%} rpc_zmq_matchmaker = oslo_messaging._drivers.matchmaker_ring.MatchMakerRing {% endif -%} {% endif -%}