Open Stack

No, it isn't. It raised when i use default settings on my client base on
"olso_messaging". And when i create the config file and use "oslo_config"
passed to tranport (get_notification_transport), it work :D

Thank for your help.

*Nguyễn Bá Thành*

*Mobile*:    0128 748 0391

*Email*:      bathanhtlu at gmail.com


Vào Th 5, 3 thg 1, 2019 vào lúc 00:30 Doug Hellmann <doug at doughellmann.com>
đã viết:

> Ben Nemec <openstack at nemebean.com> writes:
>
> > On 12/27/18 8:22 PM, Thành Nguyễn Bá wrote:
> >> Dear all,
> >>
> >> I have a problem when use 'notification listener' oslo-message for HA
> >> Openstack.
> >>
> >> It raise 'oslo_messaging.exceptions.MessageDeliveryFailure: Unable to
> >> connect to AMQP server on 172.16.4.125:5672
> >> <http://172.16.4.125:5672/> after inf tries: Exchange.declare: (406)
> >> PRECONDITION_FAILED - inequivalent arg 'durable' for exchange 'nova' in
> >> vhost '/': received 'false' but current is 'true''.
> >>
> >> How can i fix this?. I think settings default in my program set
> >> 'durable' is False so it can't listen RabbitMQ Openstack?
> >
> > It probably depends on which rabbit client library you're using to
> > listen for notifications. Presumably there should be some way to
> > configure it to set durable to True.
>
> IIRC, the "exchange" needs to be declared consistently among all
> listeners because the first client to connect causes the exchange to be
> created.
>
> > I guess the other option is to disable durable queues in the Nova
> > config, but then you lose the contents of any queues when Rabbit gets
> > restarted. It would be better to figure out how to make the consuming
> > application configure durable queues instead.
> >
> >>
> >> This is my nova.conf
> >>
> >>     http://paste.openstack.org/show/738813/
> >>
> >>
> >> And section [oslo_messaging_rabbit]
> >>
> >>     [oslo_messaging_rabbit]
> >>     rabbit_ha_queues = true
> >>     rabbit_retry_interval = 1
> >>     rabbit_retry_backoff = 2
> >>     amqp_durable_queues= true
>
> You say that is your nova.conf.  Is that the same configuration file
> your client is using when it connects?
>
> >>
> >>
> >>
> >> *Nguyễn Bá Thành*
> >>
> >> *Mobile*:    0128 748 0391
> >>
> >> *Email*: bathanhtlu at gmail.com <mailto:bathanhtlu at gmail.com>
> >>
> >
>
> --
> Doug
>
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