Yup, that's basically the same thing that Jay suggested :) Obvious in retrospect...
On Mon, Jul 23, 2012 at 12:42 PM, Oleg Gelbukh <ogelb...@mirantis.com> wrote: > Eugene, > > I suggest just add option 'rabbit_servers' that will override > 'rabbit_host'/'rabbit_port' pair, if present. This won't break anything, in > my understanding. > > -- > Best regards, > Oleg Gelbukh > Mirantis, Inc. > > > On Mon, Jul 23, 2012 at 10:58 PM, Eugene Kirpichov <ekirpic...@gmail.com> > wrote: >> >> Hi, >> >> I'm working on a RabbitMQ H/A patch right now. >> >> It actually involves more than just using H/A queues (unless you're >> willing to add a TCP load balancer on top of your RMQ cluster). >> You also need to add support for multiple RabbitMQ's directly to nova. >> This is not hard at all, and I have the patch ready and tested in >> production. >> >> Alessandro, if you need this urgently, I can send you the patch right >> now before the discussion codereview for inclusion in core nova. >> >> The only problem is, it breaks backward compatibility a bit: my patch >> assumes you have a flag "rabbit_addresses" which should look like >> "rmq-host1:5672,rmq-host2:5672" instead of the prior rabbit_host and >> rabbit_port flags. >> >> Guys, can you advise on a way to do this without being ugly and >> without breaking compatibility? >> Maybe have "rabbit_host", "rabbit_port" be ListOpt's? But that sounds >> weird, as their names are in singular. >> Maybe have "rabbit_host", "rabbit_port" and also "rabbit_host2", >> "rabbit_port2" (assuming we only have clusters of 2 nodes)? >> Something else? >> >> On Mon, Jul 23, 2012 at 11:27 AM, Jay Pipes <jaypi...@gmail.com> wrote: >> > On 07/23/2012 09:02 AM, Alessandro Tagliapietra wrote: >> >> Hi guys, >> >> >> >> just an idea, i'm deploying Openstack trying to make it HA. >> >> The missing thing is rabbitmq, which can be easily started in >> >> active/active mode, but it needs to declare the queues adding an >> >> x-ha-policy entry. >> >> http://www.rabbitmq.com/ha.html >> >> It would be nice to add a config entry to be able to declare the queues >> >> in that way. >> >> If someone know where to edit the openstack code, else i'll try to do >> >> that in the next weeks maybe. >> > >> > >> > https://github.com/openstack/openstack-common/blob/master/openstack/common/rpc/impl_kombu.py >> > >> > You'll need to add the config options there and the queue is declared >> > here with the options supplied to the ConsumerBase constructor: >> > >> > >> > https://github.com/openstack/openstack-common/blob/master/openstack/common/rpc/impl_kombu.py#L114 >> > >> > Best, >> > -jay >> > >> > _______________________________________________ >> > Mailing list: https://launchpad.net/~openstack >> > Post to : openstack@lists.launchpad.net >> > Unsubscribe : https://launchpad.net/~openstack >> > More help : https://help.launchpad.net/ListHelp >> >> >> >> -- >> Eugene Kirpichov >> http://www.linkedin.com/in/eugenekirpichov >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp > > -- Eugene Kirpichov http://www.linkedin.com/in/eugenekirpichov _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp