[Rdo-list] rdo-manager hostname issues with rabbitmq
jeckersb at redhat.com
Thu Apr 30 16:33:12 UTC 2015
Lars Kellogg-Stedman <lars at redhat.com> writes:
> On Thu, Apr 30, 2015 at 08:15:35AM -0400, James Slagle wrote:
>> For baremetal, I've added some notes to the docs to hopefully cover the
> I'm not familiar with AMQP. Is there a particular reason why rabbitmq
> is so sensitive to hostname issues? I was surprised to run into this
> with a packstack install the other day, especially given that
> packstack configures everything uses ip addresses rather than names.
> rabbitmq seems to perform some sort of reverse-lookup of the hostname,
> and there was a stale dns entry out there that it was picking up.
> This wouldn't have caused a problem for anything else (because the
> entire configuration is based on ip addresses rather than hostnames),
> but it prevented rabbitmq from starting up correctly.
> Is there any chance that we should also be pursuing this as a bug in
> rabbitmq? Or is there a configuration we can tweak in rabbitmq that
> will make it less sensitive to hostname issues?
It's not so much a RabbitMQ issue, moreso an issue with distributed
Erlang. The platform itself gets confused while trying to cluster
itself. None of those bits are RabbitMQ-proper.
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