[openstack-dev] [oslo] olso.messaging and Rabbit HA configs

John Wood john.wood at RACKSPACE.COM
Fri Dec 20 16:23:33 UTC 2013

Hello folks,

I would like to configure olso.messaging to work with an HA Rabbit cluster and was curious about the correct configuration to use.

I am setting the following values in my private network:

ampq_durable_queues = True
rabbit_ha_queues = True
transport_url = rabbit://guest@,guest@

...but when I try to remove the Rabbit node I get this error:

2013-12-20 16:12:18.014 24700 ERROR oslo.messaging._drivers.impl_rabbit [-] AMQP server on is unreachable: [Errno 113] No route to host. Trying again in 1 seconds.
2013-12-20 16:12:19.016 24700 INFO oslo.messaging._drivers.impl_rabbit [-] Reconnecting to AMQP server on

I was expecting the node at to be used if became unavailable.

Another note is that it appears the transport_url configs are not utilized by the impl_rabbit.py module, hence setting the 'rabbit_hosts' separately.

Thanks in advance,

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