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How to set transport_url properly to use ha rabbitmq cluster?

asked 2016-12-05 09:01:03 -0500

Alexander Sushko
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updated 2016-12-06 14:54:18 -0500

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Hi!

In ha-guide it is said that the proper way of using ha rabbitmq cluster is to set rabbit_hosts and other rabbit_* options. But in config references and in config`s comments it is said that

# DEPRECATED: RabbitMQ HA cluster host:port pairs. (list value)
# Deprecated group;name - DEFAULT;rabbit_hosts
# This option is deprecated for removal.
# Its value may be silently ignored in the future.
# Reason: Replaced by DEFAULT;transport_url
#rabbit_hosts=$rabbit_host:$rabbit_port

As you can see the rabbit_hosts option is still usable but deprecated. And transport_url options should be used instead. But according to url standard I can specify one host in url only. So, the question. How to configure openstack services to use ha rabbitmq cluster and not to use deprecated config options at the same time?

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answered 2017-04-02 19:55:30 -0500

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From documentation for oslo_messaging class TransportURL

Transport URLs take the form::

      transport://user:pass@host:port[,userN:passN@hostN:portN]/virtual_host?query

    i.e. the scheme selects the transport driver, you may include multiple
    hosts in netloc, the path part is a "virtual host" partition path and
    the query part contains some driver-specific options which may override
    corresponding values from a static configuration.

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Asked: 2016-12-05 09:01:03 -0500

Seen: 1,760 times

Last updated: Dec 06 '16

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